Network Engineer

🏢 Summary: The offer is for a Network Engineer Expert responsible for designing, implementing, and maintaining enterprise network infrastructure to ensure high performance and reliability. The role focuses on configuring multi-vendor network devices, optimizing network performance, and resolving complex incidents. It requires strong technical expertise in network protocols, infrastructure operations, and performance analysis. 🗂️ Requirements: Proven experience in network engineering, Strong knowledge of network protocols, topologies, and technologies, Experience configuring and operating multi-vendor network devices, Ability to diagnose and resolve complex network incidents, Degree in Computer Science or related technical field, Network engineering certification or equivalent, Ability to document technical processes, Ability to work autonomously in technical environments 📃 Skills: Networking, TCP/IP, Routing, Switching, LAN, WAN, DNS, DHCP, Firewalls, VLAN, VPN 🏢 Description: Introduction & Summary: The Network Engineer Expert will play a critical role in the design, implementation, and maintenance of the company's network infrastructure. This position requires a proven background in network engineering, including expertise in network protocols, devices, and performance optimization to ensure high service quality and reliability. Main Responsibilities: Design, implement, and maintain the network infrastructure within defined technical scope. Coordinate with technical stakeholders for efficient network operation. Provide technical support to internal users via service requests. Analyze network performance and identify optimization opportunities. Implement and configure network devices according to specifications. Investigate and resolve network-related incidents within response times. Maintain up-to-date knowledge of network technologies and best practices. Key Requirements: Proven expertise in network engineering. Solid understanding of network protocols, topologies, and technologies. Capability to configure and operate network devices from multiple vendors. Analytical ability to diagnose and resolve complex network issues. Academic background in Computer Science or a comparable technical field. Network engineering certification or equivalent accreditation. Ability to interact with technical stakeholders and document processes. Ability to deliver services autonomously while coordinating as needed. Nice to Have: Experience with network performance optimization. Familiarity with network security practices.

🏢 Summary: Network Engineer role focused on supporting and improving a large-scale global network infrastructure, including provisioning, monitoring, troubleshooting, and automation tasks. The position involves working with corporate and datacenter networks, routing protocols, wireless technologies, and network security in a fast-paced engineering environment. 🗂️ Requirements: Basic understanding of BGP configuration and management, Knowledge of backbone and datacenter networks, Understanding of wireless technologies, Knowledge of at least one internal routing protocol, Knowledge of corporate networking, Knowledge of TCP/IP, Knowledge of remote access, Strong documentation skills, Strong communication skills, Ability to participate in on-call rotation, Eligibility to work under ITAR regulations 📃 Skills: BGP, TCP/IP, Juniper, Cisco, Aruba, Arista, Routing, Wireless, NAC, Scripting, Automation, Networking 🏢 Description: SpaceXAI's mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small, highly motivated, and focused on engineering excellence. This organization is for individuals who appreciate challenging themselves and thrive on curiosity. We operate with a flat organizational structure. All employees are expected to be hands-on and to contribute directly to the company's mission. Leadership is given to those who show initiative and consistently deliver excellence. Work ethic and strong prioritization skills are important. All employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates. ABOUT THE ROLE: Our Network Engineering team handles a dynamic, constantly growing and evolving global network that provides a reliable, high-performance and secure network behind one of the few products in the world that touches over 1 billion people. The ideal candidate is a Network Engineer who is proficient with the fundamentals, and eager to grow your skills on a global network. RESPONSIBILITIES: - Help to define configuration and architecture standards - Contribute to the qualification of new platforms - Provisioning of network devices in corporate offices and POPs as per documented procedures - Provisioning and management of corporate circuits - Contribute to the continuous improvement of configuration standards and operational procedures - Contribute to the continuous improvement of corporate device monitoring - Liaise with third parties, IT and remote office users to fix and resolve issues - Creation and execution of scheduled changes, process & documentation - Participate in the on call rotation - Maintaining and upgrading existing systems, firmware updates and configurations - Monitoring network performance and ensuring system availability and reliability - Troubleshooting: Analyzing and resolving network hardware and software problems BASIC QUALIFICATIONS: - Basic understanding of BGP configuration and management - Basic knowledge of backbone and datacenter networks - Working understanding of wireless technologies - Working knowledge of at least one internal routing protocol, its configuration and day to day operation - Working knowledge of corporate networking - Working knowledge of TCP/IP - Working knowledge of remote access - Strong documentation and communication skill set PREFERRED SKILLS AND EXPERIENCE: - Familiarity with multiple networking vendors, such as Juniper, Cisco, Aruba, Arista - Familiarity with remote access - Familiarity with network security and NAC - Familiarity with scripting and automation of network operations activities ITAR REQUIREMENTS: To conform to U.S. Government export regulations, applicant must be a U.S. citizen or national, U.S. lawful permanent resident, Refugee, Asylee, or be eligible to obtain the required authorizations from the U.S. Department of State. SpaceXAI is an equal opportunity employer. For details on data processing, view our Recruitment Privacy Notice.

🏢 Summary: Network Engineer role focused on supporting and evolving a large-scale global corporate and backbone network, ensuring high performance, reliability, and security. The position involves provisioning, monitoring, troubleshooting, and improving network infrastructure, as well as contributing to standards, automation, and operational excellence. Candidates will work hands-on with network devices, routing protocols, and remote access technologies in a dynamic environment. 🗂️ Requirements: Basic understanding of BGP configuration and management, Knowledge of backbone and datacenter networks, Working knowledge of at least one internal routing protocol, Working knowledge of TCP/IP, Working knowledge of corporate networking, Working knowledge of remote access technologies, Understanding of wireless technologies, Ability to provision and manage network devices and circuits, Experience with network monitoring and troubleshooting, Strong documentation and communication skills, Eligibility under ITAR regulations 📃 Skills: BGP, TCP/IP, Routing, Wireless, RemoteAccess, Juniper, Cisco, Aruba, Arista, NAC, Scripting, Automation, Datacenter, Backbone, Networking 🏢 Description: ABOUT xAI xAI's mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small, highly motivated, and focused on engineering excellence. This organization is for individuals who appreciate challenging themselves and thrive on curiosity. We operate with a flat organizational structure. All employees are expected to be hands-on and to contribute directly to the company's mission. Leadership is given to those who show initiative and consistently deliver excellence. Work ethic and strong prioritization skills are important. All employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates.ABOUT THE ROLE: Our Network Engineering team handles a dynamic, constantly growing and evolving global network that provides a reliable, high-performance and secure network behind one of the few products in the world that touches over 1 billion people. The ideal candidate is a Network Engineer who is proficient with the fundamentals, and eager to grow your skills on a global network. You're a motivated pragmatic thinker, eager to get the job done while finding a balance between shipping and quality with a: RESPONSIBILITIES: Help to define configuration and architecture standards Contribute to the qualification of new platforms Provisioning of network devices in corporate offices and POPs as per documented procedures Provisioning and management of corporate circuits Contribute to the continuous improvement of configuration standards and operational procedures Contribute to the continuous improvement of corporate device monitoring Liaise with third parties, IT and remote office users to fix and resolve issues Creation and execution of scheduled changes, process & documentation Participate in the on call rotation Maintaining and upgrading existing systems, firmware updates and configurations Monitoring network performance and ensuring system availability and reliability Troubleshooting: Analyzing and resolving network hardware and software problems BASIC QUALIFICATIONS: Basic understanding of BGP configuration and management Basic knowledge of backbone and datacenter networks Working understanding of wireless technologies Working knowledge of at least one internal routing protocol, its configuration and day to day operation Working knowledge of corporate networking Working knowledge of TCP/IP Working knowledge of remote access Strong documentation and communication skill set PREFERRED SKILLS AND EXPERIENCE: Familiarity with the following: Multiple networking vendors, such as Juniper, Cisco, Aruba, Arista Remote Access Network security and NAC Scripting and automation of network operations activities ITAR REQUIREMENTS: To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State. Learn more about the ITAR here. xAI is an equal opportunity employer. For details on data processing, view our Recruitment Privacy Notice.

🏢 Summary: Senior LAN/WAN Network Engineer responsible for designing, maintaining and securing highly reliable network infrastructure supporting critical payment services. The role focuses on LAN/WAN architecture, modernization projects, advanced routing and security technologies, and ensuring compliance with high security standards. Position involves hands-on configuration, monitoring, troubleshooting and participation in audits. 🗂️ Requirements: Minimum 7 years of IT experience, Minimum 4 years in LAN/WAN design and maintenance, Experience in high-security environments (finance, critical infrastructure), Experience in migration and modernization projects, Knowledge of TCP/IP stack and network troubleshooting in layered model, Knowledge of L2/L3 architecture design and segmentation techniques, Knowledge of EVPN/VXLAN and advanced routing protocols, Knowledge of DWDM technology, Knowledge of network monitoring and threat detection methods, Knowledge of IPSec, IKE, MACsec, TLS, X.509 and PKI, Experience with QoS implementation (shaping, policing), Experience in wireless networks with controller-based architecture, Configuration and hardening of Junos and IOS devices, Knowledge of AAA model and Linux (CentOS/RHEL), Basic knowledge of LTE and GPRS in WAN routers, Driving license category B, English proficiency B1/B2, Availability for night maintenance windows 📃 Skills: TCP/IP, EVPN, VXLAN, VRF, VirtualChassis, MC-LAG, LACP, HSRP, VRRP, OSPF, BGP, PolicyRouting, DWDM, IPSec, IKE, MACsec, TLS, X.509, PKI, QoS, Junos, IOS, Linux, CentOS, RHEL, AAA, LTE, GPRS, LAN, WAN 🏢 Description: LAN/WAN Network Engineer 🌐 Chcesz pracować przy infrastrukturze sieciowej, od której zależy działanie nowoczesnych usług płatniczych? Szukamy doświadczonego LAN/WAN Network Engineer , który weźmie odpowiedzialność za rozwój, niezawodność i bezpieczeństwo infrastruktury sieciowej wspierającej nasze kluczowe obszary biznesowe. To rola dla osób, które chcą pracować z zaawansowanymi technologiami sieciowymi, uczestniczyć w projektach modernizacyjnych i mieć realny wpływ na funkcjonowanie środowiska o najwyższych wymaganiach niezawodności i bezpieczeństwa. 📍 Lokalizacja: Warszawa 💼 Tryb pracy: Stacjonarna / Hybrydowa 📝 Typ umowy: Umowa o pracę, pełny etat 💸 Branża: Płatności 📌 Twoje zadania: Utrzymanie sieci kolokacyjnych, biurowych, punktów koncentracji dla zdalnych urządzeń i łączy sieci rozległej, analizowanie zgłoszeń dotyczących ciągłości i bezpieczeństwa dla sieci LAN-WAN, planowanie pojemności oraz modernizacji; Opiniowanie i wdrażanie rozwiązań łączności w projektach w tym także styku z Cloud, aktualizowanie dokumentacji technicznej; Tworzenie i rozbudowa narzędzi usprawniających i monitorujących pracę systemów oraz ich bezpieczeństwo i zgodność z wymaganymi standardami; Wsparcie w procesach audytowych jakim podlega ITCARD. 🎯 Nasze wymagania: Minimum 7 lat doświadczenia IT (w tym min. 4 lata w projektowaniu i utrzymaniu sieci LAN/WAN); Doświadczenie w środowiskach o podwyższonych wymaganiach bezpieczeństwa (finanse, energetyka, przemysł, infrastruktura krytyczna); Doświadczenie w prowadzeniu projektów migracyjnych i modernizacyjnych oraz tworzeniu dokumentacji, standardów i procedur; Znajomość: -- Stosu protokołów TCP/IP, zagadnień bezpieczeństwa sieciowego i technik diagnozowania problemów w modelu warstwowym z użyciem różnych narzędzi; -- Zasad projektowania architektury dostępowej i core (L2/L3) wraz z technikami segmentacji; -- EVPN/VXLAN, VRF, Virtual Chassis, MC-LAG, LACP, HSRP, VRRP, OSPF, BGP, Policy-based routing; DWDM; -- Metod monitorowania sieci i technik wykrywania zagrożeń; -- Zabezpieczeń transmisji IKE/IPSec/MACSEC/X.509/TLS, podstaw PKI oraz Implementacji QoS (klasy ruchu, shaping, policing); -- Zasad projektowania i utrzymania sieci bezprzewodowych (opartych o infrastrukturę z kontrolerem); -- Konfiguracji urządzeń opartych o Junos, IOS i zasad ich hardeningu, protokołów uwierzytelnienia, autoryzacji i rozliczania [AAA model] oraz Linux CentOS/RHEL; -- Technologii LTE, GPRS w routerach WAN (w podstawowym zakresie). Prawo jazdy kategorii B; Bardzo dobra znajomość języka angielskiego (min. B1/B2); Dyspozycyjność do pracy w godzinach nocnych w czasie uprzednio zaplanowanych okien serwisowych lub incydentalnych prac awaryjnych. ⭐️ Mile widziane: Umiejętności dotyczące zasad konfiguracji, utrzymania i integracji sieci LAN z technologiami Firewall/IPS-IDS/WAF/LB/AntiDoS/OpenShift/Cloud lub chęć rozwoju umiejętności w zakresie tych technologii tuż po dołączeniu do naszego zespołu; Znajomość standardów PCI DSS i rozporządzenia DORA oraz języków skryptowych Perl lub Python; Pasja związana z zagadnieniami z zakresu Cyberbezpieczeństwa. To oferujemy: 💳 Możliwość zdobycia doświadczenia w rozwojowej branży technologicznej; 📄 Stabilne zatrudnienie w oparciu o umowę o pracę; 🕒 Elastyczne godziny pracy i możliwość pracy hybrydowej; 🎉 Dodatkowy dzień urlopu z okazji urodzin; ☂ Ubezpieczenie na życie; 🏥 Prywatna opieka medyczna; 🏋️‍♀️ Karta Multisport; 🗣 Onlinowy kurs języka angielskiego; 🤝 Program rekomendacji pracowników; 👕 Luźny dress code; 🎊 Integracje, konkursy i wydarzenia firmowe; 🤗 Praca w zespole ekspertów otwartym na współpracę i wymianę doświadczeń.

🏢 Summary: The role involves designing, implementing, and supporting complex LAN/WLAN network infrastructures with a strong focus on Cisco-based solutions. The engineer provides 3rd level support, troubleshooting, and incident management while advising customers on advanced networking and SDN solutions. The position also includes presales support and collaboration with vendors to optimize customer network environments. 🗂️ Requirements: Completed technical degree or equivalent qualification, Several years of experience in LAN/WLAN networking, Experience with SDN, Strong knowledge of Cisco solutions, Experience in 3rd level support, Experience in incident and problem management, Fluent German and English 📃 Skills: LAN, WLAN, SDN, Cisco, Fortinet, IncidentManagement, ProblemManagement, ReleaseManagement, DeploymentManagement, Presales, 3rdLevelSupport, German, English 🏢 Description: Zusammenfassung: Der System Professional Network Engineer (m/w/d) ist verantwortlich für die technische Beratung und Unterstützung bei komplexen Netzwerk-Lösungen, um die Netzwerk-Infrastruktur der Kunden zu optimieren und Probleme effizient zu lösen. Aufgaben: Beratung unserer Kunden bei technisch anspruchsvollen Netzwerk-Lösungen (LAN/WLAN) Planung und Realisierung von komplexen Netzwerk-Infrastrukturen (LAN/WLAN) Betriebsunterstützung technisch anspruchsvoller Netzwerk-Infrastrukturen (LAN/WLAN) Störungs-Analyse und Fehlerbehebung im Rahmen des Incident und Problem Managements, dabei Nachstellen und Analyse von Fehlern an Referenzanlagen Aktive Übernahme von Aufgaben im 3rd Level Support des Incident Managements und teilweise des Problem-, Release- und Deployment-Managements Regelmäßiger Austausch mit den technischen Ansprechpartnern unserer Hersteller (z.B. Cisco Systems) und Lieferanten Unterstützung des Vertriebs im Rahmen von Presales-Einsätzen Must Haves: Abgeschlossenes technisches Fach- oder Hochschulstudium oder eine vergleichbare Ausbildung Mehrjährige Berufserfahrung im Bereich Netzwerk (LAN/WLAN) und SDN (Software-Defined Networking) Fundierte Kenntnisse und Erfahrungen mit den Lösungen vom Hersteller Cisco Systems Gute analytische Fähigkeiten, hohes Maß an Service- und Kundenorientierung sowie Engagement Sehr gute Deutsch- und Englischkenntnisse in Wort und Schrift Nice to Haves: Kenntnisse bei den folgenden Herstellern sind von Vorteil: Cisco und Fortinet Zertifizierungen bei den genannten Herstellern

🏢 Summary: Fully remote Senior Network Engineer role supporting large-scale, low-latency trading infrastructure for a North American bank. The position focuses on building, maintaining, and automating enterprise and cloud network environments to ensure high performance, reliability, and security. It combines hands-on network engineering with infrastructure-as-code and automation practices. 🗂️ Requirements: 6+ years of experience in network engineering, Strong knowledge of enterprise network architecture, Experience with Arista switches, Experience with multicast routing, Deep understanding of TCP/IP, BGP, OSPF, MPLS, DNS, DHCP, VPN, Experience with cloud networking (AWS), Experience with network automation and scripting, Experience with infrastructure-as-code and configuration management tools, Experience with NetBox or similar source-of-truth platforms, Ability to work US Eastern hours from Poland, Fluent English, Eligibility to work in Poland 📃 Skills: TCP/IP, BGP, OSPF, MPLS, DNS, DHCP, VPN, AWS, Arista, Multicast, NetBox, Python, Bash, Terraform, Ansible, ACL, VPC 🏢 Description: Are you an experienced network engineer who enjoys building and managing infrastructure at scale? Do you love working with other seasoned engineers on interesting scale, reliability, and finance-specific challenges? Want to work on large systems that power real-time trading across global markets? If so, we’re looking for people like you. The Role at a Glance Title: Senior Network Engineer Employer: Fully remote role supporting a leading North American bank Contract: B2B, 220zł-240zł/hour net + VAT Location: Open only to candidates based in Poland Hours: Work US Eastern business hours (15:00–23:00 Poland time) We’re hiring experienced network engineers (6+ years) to join the IT infrastructure team at a top North American bank — directly supporting the operations and development of financial trading systems . You’ll be part of the core IT infrastructure team , building and maintaining infrastructure for highly-performant, low-latency trading systems used across the firm. Why Join Us? Work on large-scale systems - routers, switches, low-latency trading infra supporting hundreds of physical and virtual servers. Collaborate with a world-class team of network engineers, DevOps engineers, and developers across North America and Europe. Enjoy a long-term, fully remote role . Competitive compensation and long term stability that only a bank can offer. This role is critical to maintaining the performance, reliability, and security of the network infrastructure that supports the trading systems. You’ll work across both on-premises trading infrastructure and cloud environments, ensuring seamless connectivity and secure access for business-critical systems. The position combines hands-on engineering with automation and infrastructure-as-code practices , solving complex problems through collaboration and technical expertise. This is a fully remote role based in Poland . You will work directly with the bank while being contracted through a Polish partner company that provides local support and administration. The position requires strong English skills (spoken and written) to collaborate daily with colleagues in North America. This role requires working during US Eastern business hours in order to be able to collaborate closely with other team members. Only open to residents of Poland. Polish citizens, as well as legal residents with permission to work in Poland are welcome. Successful candidates will need to pass a standard background check. What we offer Work that matters in the financial domain: Work on a trading system at an established financial institution, processing millions of transactions daily. Professional growth: Collaborate with smart, highly capable developers in a supportive and challenging environment. Direct collaboration : You will work directly with the bank’s team in North America and in Poland. 1st-tier work : This is not a technical support or legacy maintenance role. The system is functional and is actively being built and you will take part in updating it. The people who built the system are still part of the team. Long-term commitment: This is not a fixed-scope or fixed-term outsourcing role; we value people who want to grow and contribute long-term. Fully remote work: Fully remote position based in Poland. Competitive Compensation: Above-average pay and ample time-off options. Responsibilities Network Operations & Support Deployment, configuration, and maintenance of network devices such as switches, routers, and firewalls. Monitoring of network health and resolution of connectivity issues across enterprise environments. Support for infrastructure expansion, migrations, and lifecycle upgrades in both cloud and on-premises facilities. Cloud & Hybrid Networking Design and management of cloud-based network infrastructure including VPCs, subnets, route tables, and security groups. Enablement of hybrid connectivity between cloud and on-prem environments. Collaboration with cloud and DevOps teams to optimize network performance and reliability. Automation & Infrastructure-as-Code Development of scripts and tools to automate network provisioning, configuration, and monitoring. Use of infrastructure-as-code frameworks (e.g., Terraform) and configuration automation (e.g. Ansible) to manage network infrastructure. Management of automation pipelines and configuration management systems. Integration with tools like NetBox to maintain source-of-truth for network inventory and topology. Security & Compliance Implementation and management of Access Control Lists (ACLs) to regulate traffic and enforce security boundaries. Enforcement of network segmentation and isolation policies to protect sensitive workloads and environments. Assistance in vulnerability remediation and compliance initiatives. Regular audits of network configurations and access policies to ensure alignment with security standards. Collaboration & Documentation Engagement with cross-functional teams to support infrastructure and application needs. Maintenance of accurate network documentation, diagrams, and operational procedures. Participation in process improvements and knowledge sharing initiatives. Requirements Solid understanding of networking protocols and enterprise network architecture. Experience with Arista switches. Multicast routing experience. Deep understanding of TCP/IP, BGP, OSPF, MPLS, DNS, DHCP, and VPN technologies. Experience with network source-of-truth platforms like NetBox. Knowledge of cloud networking concepts and services (e.g., AWS). Strong troubleshooting, communication, and collaboration skills. Experience with network automation and scripting (e.g., Python, Bash). Familiarity with infrastructure-as-code and configuration automation tools (e.g., Terraform, Ansible). Interview process Apply: Send us your CV. Written screen: Answer a short set of written questions to show us how you think about networking. Interviews: A three-stage online process, one with a technical recruiter with latter rounds at the bank. Successful candidates will need to pass a standard background check.

🏢 Summary: The offer is for a Senior Network Engineer responsible for testing and validating industrial communication and Ethernet-based networking solutions in IT/OT environments. The role focuses on building test environments, configuring and troubleshooting industrial networks, and analyzing complex networking issues using diagnostic tools. It combines hands-on networking, system testing, and collaboration with international engineering teams. 🗂️ Requirements: Minimum 5 years of experience in computer networking, industrial networking, or system testing, Strong knowledge of Ethernet technologies and networking protocols, Experience in configuring and troubleshooting network devices, Knowledge of VLANs, routing, STP/RSTP, DLR, and redundancy protocols, Experience with network diagnostic and traffic analysis tools, Experience in designing and executing test cases, English proficiency (very good level) 📃 Skills: Ethernet, VLAN, Routing, STP, RSTP, DLR, Wireshark, TCP/IP, IT, OT, Automation 🏢 Description: Join a global technology company specializing in industrial automation and industrial communication solutions. The team is responsible for developing and testing advanced networking devices used in industrial environments worldwide. As a Senior Network Engineer, you will be responsible for testing and validating industrial communication solutions, building test environments, and troubleshooting complex networking issues in IT/OT environments. The role combines networking expertise, system testing, and hands-on work with modern communication technologies. On a daily basis, you will collaborate with international engineering teams and support the analysis and resolution of complex technical challenges. Key responsibilities • Design and execute tests for industrial communication devices and Ethernet-based solutions • Build and maintain test environments and network topologies • Configure and troubleshoot industrial networks, including VLANs, routing, STP/RSTP, and DLR • Analyze test results, report defects, and collaborate with development teams • Use diagnostic tools such as Wireshark and packet analyzers • Develop test cases and support test automation initiatives Ideal candidate profile • Minimum 5 years of experience in computer networking, industrial networking, or system testing • Strong understanding of Ethernet technologies and networking protocols • Experience with configuring and troubleshooting network devices • Knowledge of technologies such as VLANs, routing, STP/RSTP, DLR, or redundancy protocols • Experience with diagnostic tools and network traffic analysis • Very good command of English Conditions Rate: 120 - 140 PLN/h, B2B contract Benefits: Private healthcare, Multisport card and life insurance Work model: Hybrid - 3 days from the office, 2 days from home Recruitment steps Phone call or online meeting with a KUBO Recruiter - Aleksandra (approx. 20 min.) Interview with Client : on-site in the office in Katowice which will be devided into two parts: Technical interview Interview with the manager from the United States Possible additional stage: Short meeting with the PM from the USA (approximately 30 minutes) Decision and feedback

🏢 Summary: Senior Network Engineer role focused on operating, analyzing, and further developing complex enterprise network infrastructures with strong emphasis on firewalls and security in highly regulated environments. The position involves implementing segmentation and security concepts and working with modern network architectures. Collaboration with interdisciplinary teams in security-critical contexts is required. 🗂️ Requirements: Several years of experience as Network Engineer or Network Administrator, Strong knowledge of enterprise networks (e.g., Aruba or comparable vendors), Deep understanding of network architectures and protocols, Experience with network security solutions and firewalls, Knowledge of switching and routing, Understanding of Spanning-Tree mechanisms, Fluent German (C1 minimum), Eligibility for SÜ2 security clearance 📃 Skills: Aruba, Switching, Routing, Firewalls, Spanning-Tree, TCP/IP, Segmentation, NetworkSecurity 🏢 Description: Einführung & Zusammenfassung Wir suchen einen erfahrenen Senior Network Engineer (m/w/d) mit Schwerpunkt Enterprise Networks und Firewalls. In dieser Rolle sind Sie verantwortlich für den Betrieb, die Analyse und die Weiterentwicklung komplexer Netzwerkinfrastrukturen in hochsicheren und regulierten Umgebungen. Der ideale Kandidat verfügt über fundierte Kenntnisse in modernen Netzwerkarchitekturen, bringt ein ausgeprägtes Verständnis für Sicherheits- und Segmentierungskonzepte mit und arbeitet lösungsorientiert sowie eng mit interdisziplinären Teams zusammen. Aufgaben Betrieb und Analyse komplexer Netzwerke Arbeit mit Switches, Routern und Firewalls Umsetzung von Segmentierungs‑ und Sicherheitskonzepten Verständnis und Einsatz von Spanning‑Tree‑Mechanismen Mitarbeit in hochregulierten und sicherheitskritischen Umgebungen Anforderungen Mehrjährige Erfahrung als Network Engineer oder Netzwerkadministrator Fundierte Kenntnisse in Enterprise-Netzwerken (z. B. Aruba oder vergleichbare Hersteller) Sehr gutes systemisches Verständnis von Netzwerkarchitekturen und -protokollen Erfahrung im Umgang mit Netzwerk-Sicherheitslösungen und Firewalls Strukturierte und analytische Arbeitsweise Fließende Deutschkenntnisse (mind. C1) Teamfähigkeit sowie eine selbstständige und lösungsorientierte Arbeitsweise Sonstige Details Aufgrund der Tätigkeit in sicherheitskritischen Umgebungen kann eine Sicherheitsüberprüfung SÜ2 erforderlich sein. Wir freuen uns auf Ihre Bewerbung!

🏢 Summary: The role involves designing and implementing complex system integrations and network solutions in IT and electrical environments, including projects in military contexts. The position focuses on operating and administering complex IP network infrastructures and supporting migration and upgrade projects. The engineer is responsible for troubleshooting, configuration, and documentation of network components. 🗂️ Requirements: Completed technical degree in Computer Science or comparable qualification, Several years of professional experience in system engineering or network administration, Proven experience operating complex IP network infrastructures, Strong knowledge of Routing and Switching, Experience with at least one vendor: Cisco or HPE-Aruba, Experience with firewall systems or automation tools, Hands-on experience with routers, switches, and wireless solutions, Fluent German (C1) and good English skills, Willingness to travel up to 30% 📃 Skills: Routing, Switching, IP, Cisco, HPE-Aruba, Firewalls, PowerShell, Routers, Switches, Wireless, Networking, Automation 🏢 Description: Einführung & Zusammenfassung Wir suchen einen erfahrenen System Engineer (m/w/d) zur Konzeption und Umsetzung komplexer Systemintegrationen im IT- und Elektromarkt. Der ideale Kandidat bringt umfangreiche Kenntnisse in der Planung von Netzwerklösungen sowie in der Administration von Netzwerkkomponenten mit. Von Ihnen wird erwartet, dass Sie aktiv Probleme identifizieren und lösen, während Sie gleichzeitig eng und agil mit Ihrem Team sowie anderen Abteilungen zusammenarbeiten. Aufgaben Konzeption und Umsetzung der Systemintegration (IT, Elektrik) von Gesamtsystemlösungen Konzeption und Umsetzung von Netzwerklösungen Realisierung von Systemintegrationsprojekten im militärischen Umfeld Unterstützung bei der Planung und Durchführung von Migrations- und Upgrade-Projekten Administration von Netzwerkkomponenten wie Routern, Firewalls, Switches und Wireless Lösungen Erstellung von Konfigurations-Dokumentation Feststellung und Analyse von Problemen sowie Troubleshooting Enge und agile Zusammenarbeit mit dem Team und Kollegen anderer Systemintegrationsteams Anforderungen Abgeschlossenes technisches Studium (z.B. Informatik) oder vergleichbare Qualifikation sowie mehrjährige Berufserfahrung Nachweisbare Erfahrung im Betrieb von komplexen IP-Netzwerkstrukturen Fundierte Kenntnisse im Bereich Routing & Switching Kenntnisse in mindestens einem der Bereiche: Netzwerk-Herstellern wie: Cisco, HPE-Aruba Firewall-Systemen und Automatisierungswerkzeugen (z.B. Powershell) Funktechnologien Netzwerkkomponenten wie Routern, Firewalls, Switches und Wireless-Lösungen Fließende Deutsch- (mind. C1) und gute Englischkenntnisse Starke Eigeninitiative und Problemlösungsfähigkeit Ausgeprägte Team- und Kommunikationsfähigkeit Reisebereitschaft (bis zu 30%) Nice to Haves Kennnisse in modernen Netzwerkarchitekturen Erfahrung mit Cloud-basierten Lösungen Kenntnisse in Sicherheitsframeworks Sonstige Details Die Stelle kann in einem flexiblen Arbeitsmodell, teilweise auch remote, besetzt werden. Aufgrund unserer Zusammenarbeit mit Kunden im Bereich kritischer Infrastrukturen kann eine Sicherheitsüberprüfung nach Sicherheitsüberprüfungsgesetz (SÜG) erforderlich sein. Wir freuen uns auf Ihre Bewerbung!

🏢 Summary: The role focuses on building and scaling a global, multi-vendor trading network with strong emphasis on network automation and observability. The position involves designing, supporting, and troubleshooting high-performance network infrastructure while collaborating with technology and investment teams. It requires hands-on expertise in automation, monitoring, and cloud networking within large-scale environments. 🗂️ Requirements: Strong hands-on experience in network automation and observability, Practical knowledge of Prometheus, Grafana, Telegraf, gNMI, YANG, Cisco Telemetry, Experience with Zabbix, LibreNMS, SNMP, Solid scripting and automation skills using Python, Ansible, Jinja, Git, Experience with Terraform, NetBox, NETCONF, RESTCONF, Experience with AWS cloud networking, Strong understanding of BGP, OSPF, PIM, IGMP, Proven ability to troubleshoot large-scale network environments 📃 Skills: Python, Ansible, Jinja, Git, Prometheus, Grafana, Telegraf, gNMI, YANG, Cisco, Zabbix, LibreNMS, SNMP, Terraform, NetBox, NETCONF, RESTCONF, AWS, BGP, OSPF, PIM, IGMP 🏢 Description: Network Engineer / Network Automation Specialist Join a team responsible for building and scaling a global, multi-vendor trading network . This role is ideal for someone who thrives at the intersection of network engineering, automation, and observability . 💡 What you’ll do: Build and scale network automation and observability capabilities Design and support a high-performance global network Partner with technology and investment teams to deliver business-critical solutions Troubleshoot and resolve complex network challenges 🧠 What we’re looking for: Strong hands-on experience in network automation and observability Practical knowledge of modern observability stack: Prometheus, Grafana, Telegraf , telemetry (e.g. gNMI, YANG, Cisco Telemetry ) Experience with traditional monitoring tools: Zabbix, LibreNMS, SNMP Solid scripting and automation skills using Python, Ansible, Jinja, Git Familiarity with infrastructure-as-code and automation tools such as Terraform, NetBox, NETCONF, RESTCONF Experience working with cloud networking (AWS preferred) Strong understanding of core networking protocols: BGP, OSPF, PIM, IGMP Proven ability to troubleshoot complex, large-scale network environment 🌟 Who you are: Proactive, self-driven, and eager to learn Passionate about automation and scalable solutions Comfortable working in a fast-paced, high-pressure environment Strong communicator and team player with a problem-solving mindset