Firewall Specialist

🏢 Summary: The role involves managing and securing a large-scale firewall environment by planning and executing updates, handling service requests, and ensuring network integrity. The position includes technical preparation, change management activities, and implementation reviews within a structured change process. The focus is on maintaining high security standards and efficient firewall operations. 🗂️ Requirements: Very good networking knowledge, Strong experience with Fortinet, Strong experience with Checkpoint, Knowledge of GitLab, Knowledge of Ansible, Experience with firewall rule management, Experience with change management processes, Ability to execute and review system updates 📃 Skills: Networking, Fortinet, Checkpoint, GitLab, Ansible, Firewalls 🏢 Description: Summary: The role focuses on maintaining the security and functionality of a large firewall environment through regular updates, addressing vulnerabilities, and executing service requests efficiently to safeguard network integrity. Main Responsibilities: Technical planning of updates Preparation of necessary activities and creation of change requests If required, presenting the activities in various Change Advisory Boards Execution and post-implementation review of updates Execution of firewall service orders (e.g., firewall rule activations and deletions) Key Requirements: Very good networking knowledge Excellent know-how in Fortinet and Checkpoint technologies Knowledge of GitLab and Ansible High commitment to the quality of work Experience in dealing with internal and external customers Good communication skills Nice to Have: Experience in a banking-regulated environment Willingness to work outside normal hours (evenings and weekends) German language skills - is a plus

🏢 Summary: The offer is for a Network Security Analyst responsible for operational firewall support, including rule implementation, policy optimization, VPN configuration, and security compliance activities. The role focuses on managing and validating firewall changes, supporting audits and incident investigations, and ensuring secure network segmentation. It involves hands-on work with multiple firewall technologies and close coordination with technical stakeholders. 🗂️ Requirements: Minimum 3+ years of experience in network security, Hands-on experience with FortiGate and FortiManager, Hands-on experience with CheckPoint firewalls, Experience with JunosSpace and FAZ, Experience implementing and validating firewall rules, Knowledge of IP subnetting and routing basics, Understanding of TCP and UDP protocols, Knowledge of NAT and VPN technologies, Experience with firewall log and flow analysis, Understanding of DPI and AppID concepts, Experience configuring IPsec VPN tunnels, Familiarity with SIEM tools, Experience with ITSM tools such as ServiceNow, Knowledge of network segmentation and ZeroTrust principles 📃 Skills: FortiGate, FortiManager, CheckPoint, JunosSpace, FAZ, TCP, UDP, NAT, VPN, IPsec, DPI, AppID, Subnetting, Routing, SIEM, ServiceNow, Excel, PowerBI, ITSM, Segmentation, ZeroTrust, Firewalls 🏢 Description: Minimum : 3+ Year Experience Technical requirements: FortiGate , Forti Manager , Checkpoint , Junos Space , FAZ – expertise: Flow Implementation , Firewall log/flow analysis (Check Point, Fortinet), IP subnetting, routing basics, TCP/UDP, DPI/APP-ID concepts, NAT, VPN Tools : SIEM basics, packet capture utilities, Excel/Power BI (preferred), ITSM (e.g., ServiceNow), collaboration tools. Security : Familiarity with segmentation (IT/OT/LAB/SHOP FLOOR), Zero Trust principles, and policy standardization. Soft Skills : Clear documentation, stakeholder communication, and attention to detail The Network Security Analyst is an operational support team member responsible for firewalls under his/her scope: Implement flows or rules on firewalls. Perform logical post-validation after implementation. Review and optimize firewall policies. Support security compliance and audits. Configure and coordinate IPSEC VPN tunnels end-to-end. Manage firewall policies and ensure compliance. Support security incident investigations. Handle emergency business requests for flow openings with priority. Regular interactions with: IS&T E2E PM, Local IS&T Business Partners, Solution Architects, Functional Teams, Business End Users, and Operations Teams.

🏢 Summary: The role focuses on administering and evolving network and security infrastructures across multi-site environments, ensuring high availability, resilience, and cybersecurity. It involves advanced firewall management, deployment of SASE and SD-WAN solutions, Zero Trust segmentation, and modernization of LAN/WAN architectures. The consultant also handles complex incident response and contributes to large-scale network transformation projects. 🗂️ Requirements: Minimum 7 years experience in Network/Security engineering, Strong expertise in network security and firewall administration, Proven experience with multisite network architectures and WAN interconnections, Hands-on experience deploying end-to-end network and security solutions, Solid knowledge of routing and switching (VLAN, STP, OSPF, BGP), Experience with monitoring tools and advanced network troubleshooting, Ability to handle Level 2/3 network and security incidents 📃 Skills: Fortinet, PaloAlto, CiscoASA, SASE, SD-WAN, LAN, WAN, VLAN, STP, OSPF, BGP, VPN, Wi-Fi, ZeroTrust, Microsegmentation, Firewall, Routing, Switching 🏢 Description: Summary: The Network & Security Consultant will operate within a distributed infrastructure, focusing on enhancing availability, resilience, and cybersecurity. This role is pivotal in evolving network architectures, securing interconnections, and deploying technical solutions across multiple locations. Main Responsibilities: Advanced administration of firewalls (Fortinet, Palo Alto, Cisco ASA, or equivalent) in on-premises and cloud environments. Rule management, hardening, network segmentation, application filtering, SSL inspection. Detection, analysis, and remediation of network security incidents. Participate in the deployment and go-live of new network & security solutions (SASE). Implement new sites, migrate legacy architectures, modernize LAN/WAN, deploy Zero Trust segmentation. Contribute to major projects: SD-WAN, micro-segmentation, secure Wi-Fi enhancement, etc. Produce high-quality documentation: project docs, procedures, operational guides, failover plans. Handle Level 2/3 support for complex network and security incidents. Ensure operational continuity for infrastructures (switching, routing, Wi-Fi, VPN, security). Maintain configuration consistency across all sites. Key Requirements: Strong expertise in network security and firewall administration. Solid command of routing & switching: VLAN, STP, OSPF/BGP (preferred). Deep understanding of multisite architectures and WAN interconnections. Proven experience deploying end-to-end network & security solutions. Mastery of monitoring tools, flow analysis, and advanced troubleshooting. Minimum 7 years in a Network/Security engineering role. Hands-on experience delivering technical projects, ideally in multi-site environments. Other Details: Location: Remote work possible. Travel: One trip per month (2 days) to Clermont-Ferrand expected.

🏢 Summary: Senior-level role responsible for designing, deploying, and supporting Palo Alto Networks firewall solutions across a global enterprise infrastructure. The position acts as the subject matter expert, ensuring high availability, security compliance, and advanced troubleshooting of complex firewall environments. 🗂️ Requirements: Bachelor's degree in IT, Cybersecurity, Network Engineering or related field, 8+ years of experience in network security, Extensive hands-on experience with Palo Alto firewalls, Deep knowledge of PAN-OS and Panorama, Strong expertise in security policies, VPNs and threat prevention, Strong understanding of networking protocols and concepts, Ability to design and integrate enterprise firewall solutions 📃 Skills: PaloAlto, PANOS, Panorama, Firewalls, VPN, TCPIP, BGP, OSPF, NAT, VLAN, PCNSE, Networking 🏢 Description: Summary: The Palo Alto Expert is responsible for the design, deployment, configuration, and ongoing support of Palo Alto Networks firewall solutions across Syensqo's global infrastructure. This role ensures robust network security, high availability, and compliance with internal and external requirements, acting as the subject matter expert (SME) for Palo Alto firewall technologies. Responsibilities: Lead the architecture, deployment, and configuration of Palo Alto firewalls (physical and virtual) in enterprise environments. Develop and maintain technical documentation, including network diagrams, implementation guides, and standard operating procedures. Integrate firewall solutions with existing network and security infrastructure, ensuring alignment with business and security objectives. Provide advanced technical support for Palo Alto firewall environments, including incident response, root cause analysis, and performance optimization. Serve as the escalation point for complex firewall-related issues. Monitor firewall health, performance, and security, proactively addressing potential risks and outages. Stay current with Palo Alto Networks product updates, threat intelligence, and industry best practices. Recommend and implement enhancements to improve network security, reliability, and operational efficiency. Conduct knowledge transfer and training sessions for IT staff and end-users support group. Ensure firewall deployments comply with Syensqo's security policies and relevant regulatory requirements. Support audits, risk assessments, and documentation reviews as needed. Must Haves: Bachelor's degree in Information Technology, Cybersecurity, Network Engineering, or related field (or equivalent experience). 8+ years of experience in network security, with significant hands-on experience in Palo Alto firewall solutions. Deep expertise in Palo Alto Networks firewalls (PAN-OS), Panorama management, security policies, VPNs, and threat prevention features. Strong understanding of networking protocols (TCP/IP, BGP, OSPF, NAT, VLANs, VPNs). Relevant certifications (e.g., Palo Alto Networks Certified Network Security Engineer - PCNSE) are highly desirable. Nice to Haves: Experience with cloud security and integration (AWS, Azure, Google Cloud) is a plus. Excellent analytical, troubleshooting, and communication skills. Ability to work independently and collaboratively in a global team environment. Other Details: Location: Global team environment. Team Structure: Part of a larger IT organization focusing on network security. Reason (Must Have): Bachelor's degree: Necessary to ensure foundational knowledge in IT and networking, essential for design and implementation responsibilities. 8+ years of experience: Critical for understanding complex network security issues and for providing advanced support. Deep expertise in Palo Alto Networks: Ensures the ability to effectively troubleshoot and optimize firewalls as part of the support role. Strong understanding of networking protocols: Important for integrating firewalls with existing networking infrastructure. Reason (Nice to Have): Cloud security experience: Enhances the ability to secure integrations in cloud environments, aligning with modern business needs. Excellent analytical skills: Supports effective troubleshooting and decision-making in a dynamic environment. Ability to work collaboratively: Fosters better teamwork and knowledge sharing within a global team. Trust Score: High. Evidence: Detailed responsibilities and specific technology requirements provided, facilitating precise candidate searches. Sourcing Guidance: The job description provides good technical clarity for sourcing. Consider these potential recommendations to enhance the search: Recommendation: Search for candidates with cloud security experience alongside Palo Alto firewall expertise. Rationale: This combination is increasingly relevant as businesses migrate to the cloud, and candidates with both skills can address a broader range of security challenges. Recommendation: Look for candidates who have experience in environments using a blend of traditional and cloud-based security tools. Rationale: Such candidates will likely have a more holistic understanding of security strategies in diverse environments. Recommendation: Evaluate candidates with experience in regulatory compliance related to network security. Rationale: This will ensure the candidate can navigate not only technical aspects but also compliance requirements effectively.

🏢 Summary: B2B role in the finance sector for a Network/Infrastructure specialist with strong AlgoSec and firewall expertise, working in a hybrid model. The position focuses on firewall management, network architecture, security optimization, and direct collaboration with clients to improve firewall rule compliance. The project requires hands-on configuration, troubleshooting, and performance optimization of enterprise network environments. 🗂️ Requirements: Hands-on experience with firewall technologies, Experience with CheckPoint firewalls, Proven experience with AlgoSec products, Ability to configure and manage firewall solutions, Experience in network architecture and design, Experience in network implementation and optimization, Ability to troubleshoot complex network issues, Experience in reviewing and analyzing firewall rules, Ability to identify and remediate non-compliant or risky rules 📃 Skills: AlgoSec, CheckPoint, Firewalls, Networking, Architecture, Security, Troubleshooting, Optimization, Infrastructure, Python, Ansible, Django 🏢 Description: PROJECT INFORMATION: Industry: Finance Project language: English Business trips: Occasionally to DK Start: ASAP/Flexible Hybrid model: 3 days/week in office Assignment type: B2B Remuneration: We are open to your financial expectations - let’s talk about it. We are looking for a proactive and dedicated professional with broad expertise in Network/Infrastructure, who can contribute to our team with their expertise in AlgoSec and overall network management skills. Key Responsibilities & Qualifications: In-depth understanding and hands-on experience with firewall technologies and best practices. Capability to configure, manage, and secure various firewall solutions, mainly with CheckPoint Algosec Expertise , proven track record and hands-on experience with Algosec products, including configuration, management, and troubleshooting. Network Experience: Comprehensive knowledge and experience in network architecture, design, and implementation. Ability to manage and optimize network performance, ensure security, and troubleshoot complex network issues. Strong analytical and problem-solving skills. Excellent communication and teamwork abilities. Working with the client and interacting directly with customers regarding the firewall management tool, including reviewing and analyzing firewall rules, identifying risky or non-compliant rules, and providing recommendations for improvement. Nice to have: Experience in automation using Python/Ansible/Django ·

🏢 Summary: Coordination role in a network environment focused on managing and aligning change and service management activities between technical teams, customers, and management. The position ensures structured planning, approval, documentation, and reporting of changes in a dynamic and partly regulated setting. It combines operational coordination with structured change processes and stakeholder communication. 🗂️ Requirements: Fluent German and English (written and spoken), Experience in Change Management processes, Experience in Service Management processes, Ability to coordinate and schedule technical changes, Experience with approval processes (e.g., CAB), Ability to create and maintain change documentation including risk analysis, Experience in reporting and status tracking, Basic technical understanding of IT infrastructure and networks, Strong Microsoft Excel skills 📃 Skills: ITIL, Networking, Firewall, Excel, CAB, ChangeManagement, ServiceManagement, RiskAnalysis, Documentation, Reporting 🏢 Description: Coordintator in area of Change & Service Management (Network Environment) Overview For a demanding client project in the network domain (e.g., firewall, end-of-life, service fulfillment), we are looking for an experienced Coordinator (m/f/d) who acts as a central interface between technical teams, customers, and management. This role combines operational coordination, strong communication skills, and structured change management in a dynamic and partly regulated environment. Role Objective The Coordinator ensures that changes and service requests are delivered efficiently, with high quality, and in alignment with customer requirements and internal governance structures. Your Responsibilities: Participate regularly in customer meetings and actively communicate with internal and external stakeholders Present and align changes with the customer (in close coordination with technical teams) Plan, coordinate, and schedule changes Obtain and track approvals (e.g., within CAB processes) Ensure quality and completeness of change documentation (including risk analysis and rollback scenarios) Create, review, and present reports and status updates Coordinate and steer external consultants in day-to-day operations Support and back up fellow coordinators Facilitate and lead meetings with technical teams and, if required, customers Must-have: Fluent in German and English (written and spoken) Strong communication skills – clear, structured, and audience-oriented Confident and professional demeanor with strong presentation skills Quick comprehension and ability to understand and explain complex topics Nice-to-have: Basic technical understanding of IT infrastructure / network environments Experience in Change and Service Management (e.g., ITIL) Experience in regulated environments (e.g., banking sector) Solid Microsoft Excel skills What We Value Ability to act as a bridge between different stakeholders (technical teams, customers, management) Balanced communication style: assertive yet collaborative Structured and detail-oriented working style, especially in change processes Ability to perform under pressure and manage multiple priorities Team-oriented mindset and strong cultural fit within a collaborative environment Framework & Environment International project environment Collaboration with internal teams and external partners/consultants Dynamic setting with a high level of responsibility Other Details: This position offers the opportunity to work in a collaborative environment, providing support and leadership during client engagements. The role may involve working remotely and requires adaptability to changing circumstances and requirements.

🏢 Summary: The offer is for a Network Engineer responsible for designing, maintaining, and securing LAN, WAN, and VPN infrastructures across on-premise and cloud environments. The role focuses on high availability, network security, traffic analysis, and troubleshooting complex L2/L3 issues. The position involves participation in infrastructure projects, architecture reviews, and incident response for critical systems. 🗂️ Requirements: Minimum 3 years of experience in network administration and design, Strong knowledge of LAN, WAN, VPN, routing, VLAN, QoS, Hands-on experience with enterprise network devices, Knowledge of network security practices (segmentation, ACL, firewall, IPS/IDS), Ability to analyze network traffic and troubleshoot complex issues, Experience in infrastructure and cross-functional projects, Ability to work during incidents and under time pressure, Good technical English 📃 Skills: LAN, WAN, VPN, Routing, VLAN, QoS, ACL, Firewall, IPS, IDS, Switching, LoadBalancing, NetworkMonitoring 🏢 Description: Tasks Design and maintain LAN, WAN, and VPN topologies across on-premise and cloud environments. Configure and administer routers, switches, firewalls, and load balancers. Ensure high availability and redundancy of network infrastructure for critical systems. Diagnose L2/L3 issues, analyze traffic, and optimize routing, VLAN, QoS, and segmentation. Implement network security controls including ACLs, firewall policies, IPS/IDS, and trust zone isolation. Collaborate with IT and security teams on migrations, new deployments, and architecture changes. Participate in delivery projects as a network expert, including capacity estimation and architecture reviews. Configure network monitoring tools, analyze logs and packets, and restore connectivity during incidents. Requirements At least 3 years of experience in network administration and design. Strong knowledge of LAN/WAN/VPN, routing, VLAN, and QoS concepts. Hands-on experience with enterprise-grade network devices. Knowledge of network security practices (segmentation, ACL, firewall, IPS/IDS). Ability to analyze traffic and troubleshoot complex performance issues. Experience working cross-functionally on infrastructure projects. Ability to operate effectively during incidents and under time pressure. Good technical English. Nice to Have Network or security certifications (e.g., CCNA/CCNP, Fortinet, Palo Alto). Experience with hybrid infrastructure and multi-site connectivity. Familiarity with network monitoring and observability tooling. Experience in mission-critical environments. We Offer Work on high-availability infrastructure and critical network security. Real influence on networking standards and system communication architecture. Growth opportunities in Network and Security specialization. Stable employment in a modern company with a well-established market position. An attractive salary and benefits package (including private medical care and a sports card).

🏢 Summary: The offer is for a DevOps/Network Engineer role focused on designing and securing scalable network architectures across cloud and hybrid environments. The position involves automating infrastructure with IaC tools, managing cloud networking components, and integrating security into CI/CD pipelines. The role also includes monitoring, incident response, and supporting compliance and infrastructure hardening efforts. 🗂️ Requirements: Minimum 3 years experience in DevOps, Infrastructure, or Network Engineering, Hands-on experience with cloud networking in AWS, Azure, or GCP, Experience with Infrastructure as Code tools, Knowledge of CI/CD pipelines and DevOps practices, Experience with monitoring, logging, and alerting tools, Understanding of IAM and network security best practices, Ability to manage VPCs, VPNs, load balancers, and firewalls 📃 Skills: AWS, Azure, GCP, Terraform, Ansible, CICD, IAM, VPC, VPN, Firewalls, LoadBalancers, Kubernetes, ISO27001, SOC2, Monitoring, Logging 🏢 Description: Tasks Design and implement secure and scalable network architectures across cloud and hybrid environments Automate infrastructure using IaC tools (Terraform, Ansible) Manage and secure VPCs, VPNs, load balancers, and firewalls Ensure network segmentation and access control best practices Support CI/CD pipelines and integrate basic security mechanisms (e.g., secret handling) Monitor traffic, logs, and performance; respond to incidents Collaborate with security teams on infrastructure hardening Support compliance requirements (e.g., ISO 27001, SOC 2) Requirements At least 3 years of experience in DevOps, Infrastructure, or Network Engineering Hands-on experience with cloud networking (AWS / Azure / GCP) Experience with Infrastructure as Code and automation tools Knowledge of CI/CD pipelines and DevOps practices Ability to work with monitoring, logging, and alerting tools Basic understanding of security best practices (IAM, network security) Very good command of English (B2+/C1), both written and spoken Nice to have Experience with Kubernetes networking Exposure to security tools or vulnerability scanning Cloud or networking certifications (e.g., AWS, CCNA)

🏢 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: 12-month contract for a System Administrator specializing in network engineering, responsible for operating and securing complex network infrastructures in a military high-security environment. The role includes configuration, monitoring, troubleshooting, and implementation of IT security measures with partial remote work and travel requirements. Immediate start in Bonn with option for extension. 🗂️ Requirements: Minimum 5 years experience in network engineering or system administration, Strong knowledge of routing, switching, VLAN, QinQ, SpanningTree, IPSec, L2TP, Current CISCO and/or HPE Aruba certifications (e.g. CCNA, CCNP, Aruba Certified), Experience with Windows Server and Linux (Debian, RedHat), Experience configuring Fortinet and CheckPoint firewalls, Knowledge of Active Directory, PKI, DNS, DHCP, Experience with VMware vSphere, ESXi, vCenter, ProxMox, Knowledge of SAN, vSan, NAS and SMB, NFS, iSCSI protocols, Willingness to travel up to 40%, Eligibility for security clearance (SÜG) 📃 Skills: Routing, Switching, VLAN, QinQ, SpanningTree, IPSec, L2TP, CISCO, HPE, Aruba, CCNA, CCNP, Windows, Linux, Debian, RedHat, Fortinet, CheckPoint, ActiveDirectory, PKI, DNS, DHCP, VMware, vSphere, ESXi, vCenter, ProxMox, SAN, vSan, NAS, SMB, NFS, iSCSI 🏢 Description: Einleitung & Zusammenfassung: In dieser Position als System Administrator im Bereich Netzwerktechnik sind Sie verantwortlich für den Betrieb komplexer Netzwerkinfrastrukturen in einem militärischen Hochsicherheitsumfeld. Sie bringen mindestens 5 Jahre Erfahrung in der Netzwerkadministration mit und verfügen über fundierte Kenntnisse in der Administration von Netzwerkumgebungen sowie aktuelle Zertifizierungen im Bereich CISCO und/oder HPE Aruba. Start: kurzfristig / sofort Einsatzdauer: 12 Monate + Option auf Verlängerung Auslastung: Vollzeit Einsatzort: Bonn (mit ca. 40% Reisebereitschaft) Remote-Anteil: möglich (nach Absprache) Hauptverantwortlichkeiten: Als System Administrator übernehmen Sie wesentliche Aufgaben in der Netzwerkadministration. Ihre Kernverantwortungen umfassen: Betrieb komplexer Netzwerkinfrastrukturen im militärischen Hochsicherheitsumfeld. Konfiguration, Betrieb und Monitoring von aktiven Netzwerkkomponenten. Analyse und Behebung von Störungen im Netzwerkbetrieb. Umsetzung von IT-Sicherheitsmaßnahmen. Dokumentation der Systeme und Prozesse. Zusammenarbeit mit internen Fachabteilungen, externen Dienstleistern und Vertretern der Auftraggeber. Wesentliche Anforderungen: Die erforderlichen Fähigkeiten und Qualifikationen sind: Mindestens 5 Jahre Berufserfahrung im Bereich Netzwerktechnik/Systemadministration. Fundierte Kenntnisse in der Administration von Netzwerkumgebungen (Routing, Switching, VLAN, QinQ, SpanningTree, IPSec, L2TP). Aktuelle Zertifikate im Bereich CISCO und/oder HPE Aruba (z.B. CCNA, CCNP, Aruba Certified). Sicherer Umgang mit gängigen Betriebssystemen (Windows Server, Linux - bevorzugt Debian und RedHat). Praktische Erfahrung in der Konfiguration von Firewall-Systemen (insbesondere Fortinet und CheckPoint). Kenntnisse im Bereich infrastructure services (Active Directory, PKI, DNS, DHCP). Kenntnisse im Bereich Virtualisierung (VMware VSphere, ESXi, vCenter, und ProxMox). Erfahrungen im Bereich Storage-Technologie (SAN, vSan, NAS) und den gängigen Protokollen (SMB, NFS, iSCSI). Verhandlungssichere Deutsch- und gute Englischkenntnisse. Fähigkeit zur klaren und verständlichen Dokumentation komplexer Prozesse. Starke Eigeninitiative, Problemlösungsfähigkeit, Team- und Kommunikationsfähigkeit. Bereitschaft zu reisen (bis zu 40%). Weitere Details: Bitte beachten Sie, dass eine Sicherheitsüberprüfung nach Sicherheitsüberprüfungsgesetz (SÜG) erforderlich sein kann, aufgrund der Zusammenarbeit mit Kunden im Bereich kritischer Infrastrukturen.