Senior Network Engineer (Citrix NetScaler)

🏢 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: The role focuses on designing, implementing, and supporting Zscaler cloud security solutions to ապահով secure and optimized internet and private access across the organization. It involves leading ZIA and ZPA deployments, integrating them with existing infrastructure, and providing advanced troubleshooting and performance optimization. The position also ensures compliance with security policies and drives continuous improvements in security posture. 🗂️ Requirements: Bachelor’s degree in Computer Science, Information Technology, or related field, 7+ years of experience in network security, Minimum 2 years of hands-on experience with Zscaler solutions, Deep expertise in ZIA and ZPA, Strong knowledge of TCP/IP, Strong knowledge of DNS, Strong knowledge of VPN, Strong knowledge of firewalls, Strong knowledge of proxies 📃 Skills: Zscaler, ZIA, ZPA, TCP/IP, DNS, VPN, Firewalls, Proxies, Networking, IncidentResponse, RootCauseAnalysis, Monitoring 🏢 Description: Summary: As a Zscaler Build and Support Senior Expert, your role is to design, implement, and provide ongoing support for Zscaler cloud security solutions, ensuring secure and optimized internet access across the organization. Main Responsibilities: Design & Implementation: Lead the architecture, deployment, and configuration of Zscaler Internet Access (ZIA) and Zscaler Private Access (ZPA) solutions. Develop and maintain technical documentation, including solution designs, implementation guides, and standard operating procedures. Collaborate with network, security, and application product owner teams to integrate Zscaler with existing infrastructure. Support & Troubleshooting: Provide advanced technical support for Zscaler solutions, including incident response, root cause analysis, and performance optimization. Act as the escalation point for complex Zscaler-related issues. Monitor system health, performance, and security posture, proactively addressing potential risks. Continuous Improvement: Stay current with Zscaler product updates, security trends, and best practices. Recommend and implement enhancements to improve security, user experience, and operational efficiency. Conduct knowledge transfer and training sessions for IT Level 2 staff and end-users support group. Compliance & Governance: Ensure Zscaler deployments comply with the organization's security policies and relevant regulatory requirements. Participate in audits and risk assessments as needed. Key Requirements: Bachelor's degree in Computer Science, Information Technology, or related field (or equivalent experience). 7+ years of experience in network security, with at least 2 years focused on Zscaler solutions. Deep expertise in Zscaler Internet Access (ZIA) and Zscaler Private Access (ZPA). Strong understanding of networking (TCP/IP, DNS, VPN, firewalls, proxies). Excellent problem-solving, communication, and documentation skills. Ability to work independently and as part of a global team. Nice to Have: Experience with cloud environments (e.g., Azure, AWS, Google Cloud). Relevant certifications (e.g., Zscaler Certified Cloud Professional, CCNP Security) are highly desirable. Other Details: Qualifications & Experience: Bachelor’s degree; 7+ years of professional experience. Team Environment: May require collaboration with various teams globally.

🏢 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 Level 2 Network Support Engineer is responsible for maintaining the stability, performance, and availability of a global enterprise network infrastructure. The role focuses on monitoring, troubleshooting, and resolving network incidents across LAN, Wi-Fi, Firewall, SD-WAN, WAN, and Zscaler environments. It involves operational support in a Follow-the-Sun model and escalation of complex issues to higher support levels. 🗂️ Requirements: Experience in Network Operations or Network Support, Experience with enterprise-scale network infrastructures, Strong knowledge of LAN and Switching, Strong knowledge of Enterprise Wi-Fi, Experience with Firewall technologies, Experience with Zscaler (ZIA, ZPA), Understanding of ITIL processes, Ability to perform network diagnostics and troubleshooting 📃 Skills: LAN, WAN, Wi-Fi, Switching, Firewall, PaloAlto, Zscaler, ZIA, ZPA, SD-WAN, ITIL, Networking, Monitoring, Troubleshooting 🏢 Description: Summary The Level 2 Network Support Engineer plays a critical role in ensuring the stability, availability, and performance of the global network infrastructure. This position demands a strong background in network operations and expertise in enterprise-scale network environments. Main Responsibilities Continuously monitor network services and infrastructure to proactively identify issues and performance degradation. Supervise the health and availability of LAN, Wi-Fi, Firewall, Zscaler, SD-WAN, and WAN environments. Analyze alerts and events generated by monitoring platforms. Perform initial diagnostics and corrective actions to restore service as quickly as possible. Escalate complex issues or recurring problems to Level 3 teams when required. Investigate and resolve incidents escalated from Level 1 support. Manage incidents throughout their lifecycle, ensuring timely communication and resolution. Execute service requests and work orders related to network operations. Support daily network operations across global regions following a Follow-the-Sun model. Create, maintain, and improve operational documentation, runbooks, procedures, and knowledge articles. Identify recurring issues and opportunities for operational improvements. Key Requirements Strong experience in Network Operations or Network Support environments. Experience supporting enterprise-scale network infrastructures. Strong knowledge of LAN and Switching technologies. Strong knowledge of Enterprise Wi-Fi environments. Experience with Firewall technologies (Palo Alto preferred). Experience with Zscaler solutions (ZIA / ZPA). Understanding of ITIL processes and service management practices. Nice to Have Experience with SD-WAN environments. Experience with network monitoring and observability tools. Strong analytical and troubleshooting capabilities. Customer-oriented mindset. Other Details The position employs a global perspective, supporting teams across the APAC, EMEA, and NAM/LAM regions within the GCC Network Team, utilizing a Follow-the-Sun support model for effective operations. the position is based in Pune and follows a hybrid working model. We are currently looking for immediate joiners who can join the team at the earliest.

🏢 Summary: Short-term, fully remote contract for a Senior AWS Network Engineer to design and deploy enterprise-grade global network infrastructure in AWS. The role focuses on building Cloud WAN, centralized egress architectures with AWS Network Firewall, and automating infrastructure using Terraform across multi-region environments. 🗂️ Requirements: 5+ years of network engineering experience in enterprise cloud environments, Deep hands-on expertise with AWS Cloud WAN and multi-region routing, Strong proficiency in Terraform for infrastructure as code, Extensive experience with AWS Network Firewall and centralized egress architectures, Experience with global backbone network deployments across multiple regions, Ability to troubleshoot complex multi-region network issues, Experience applying Agile and DevOps practices to network infrastructure, Fluent English (B2 level or higher), Ability to pass security check 📃 Skills: AWS, CloudWAN, Terraform, NetworkFirewall, Routing, IaC, DevOps, Agile, Networking, Automation 🏢 Description: Senior AWS Network Engineer We are looking for a highly motivated Senior AWS Network Engineer to join our client's project. The client is a UK-based company and a global leader in cloud-based CRM software solutions. This is a short-term, fully remote role within an Extended Teams model Position: Senior AWS Network / Cloud Engineer. Salary Rate: Up to 200 PLN/h. Work Type: 100% Remote. Project Duration: June 1, 2026 – August 31, 2026 (3 months). Key Responsibilities In this role, you will be working hands-on to deploy enterprise-grade network solutions: Delivering global network backbone infrastructure across IAD, PDX, and DUB regions. Building centralized egress architectures using AWS Network Firewall for secure and cost-effective traffic management. Building and maintaining AWS Cloud WAN infrastructure for global routing. Developing and maintaining infrastructure as code (IaC) using Terraform. Collaborating with security architects and cloud engineers to translate requirements into technical specs. Driving network automation to enable faster development and delivery. Mentoring other network engineers and providing technical guidance. Troubleshooting complex network issues across multi-region environments. Required Skills and Experience Experience: 5+ years in network engineering, focusing on enterprise cloud network solutions. AWS Cloud WAN: Deep, hands-on expertise in configuration, routing policies, and multi-region connectivity. Terraform: Strong proficiency in managing complex network deployments. AWS Network Firewall: Extensive experience designing centralized egress architectures and managing policies. Methodologies: Experience with Agile and DevOps practices applied to network infrastructure. Language: Fluent English (B2, C1, or C2 level). Recruitment Process Interview: The process includes an interview with the end client. Security Check: Candidates must pass a security check to start the project.

🏢 Summary: Hands-on Level 2 Network Support Engineer role focused on maintaining stability, availability, and performance of a global enterprise network infrastructure. The position involves advanced monitoring, incident resolution, and operational support across LAN, Wi-Fi, Firewall, Zscaler, SD-WAN, and WAN environments. The role emphasizes strong troubleshooting skills, proactive operations, and high-quality service delivery. 🗂️ Requirements: Experience in Network Operations or Network Support, Experience with enterprise-scale network infrastructures, Proven incident management and troubleshooting experience, Strong knowledge of LAN and Switching, Strong knowledge of Enterprise Wi-Fi, Experience with Firewall technologies, Experience with Zscaler (ZIA / ZPA), Experience with SD-WAN, Understanding of WAN and underlay connectivity, Experience with network monitoring tools, Understanding of ITIL processes 📃 Skills: LAN, Switching, Wi-Fi, Firewall, PaloAlto, Zscaler, ZIA, ZPA, SD-WAN, WAN, ITIL, Monitoring 🏢 Description: Summary The Level 2 Network Support Engineer plays a critical role in ensuring the stability, availability, and performance of the global network infrastructure. This position provides advanced operational support across multiple network technologies, including LAN, Wi-Fi, Firewall, Zscaler, SD-WAN, and WAN services. The engineer is responsible for proactive monitoring, incident resolution, service request fulfillment, and operational support activities while maintaining high service quality and customer satisfaction. This is a hands-on, run-oriented role requiring strong technical troubleshooting capabilities, operational rigor, and a customer-focused mindset. Main Responsibilities Monitoring & Supervision: Continuously monitor network services and infrastructure to proactively identify issues and performance degradation. Supervise the health and availability of LAN, Wi-Fi, Firewall, Zscaler, SD-WAN, and WAN environments. Analyze alerts and events generated by monitoring platforms. Perform initial diagnostics and corrective actions to restore service as quickly as possible. Escalate complex issues or recurring problems to Level 3 teams when required. Incident Management: Investigate and resolve incidents escalated from Level 1 support or detected through monitoring activities. Perform advanced troubleshooting across supported network technologies. Manage incidents throughout their lifecycle, ensuring timely communication and resolution. Participate in the management of Major Incidents (P1/P2) and support crisis resolution activities. Contribute to root cause analysis and corrective action implementation. Key Requirements Strong experience in Network Operations or Network Support environments. Experience supporting enterprise-scale network infrastructures. Proven experience in incident management and operational troubleshooting. Strong knowledge of LAN and Switching technologies. Strong knowledge of Enterprise Wi-Fi environments. Experience with Firewall technologies (Palo Alto preferred). Experience with Zscaler solutions (ZIA / ZPA). Experience with SD-WAN environments. Understanding of WAN and Underlay connectivity services. Experience with network monitoring and observability tools. Understanding of ITIL processes and service management practices. Nice to Have Strong analytical and troubleshooting capabilities. Customer-oriented mindset. Strong communication and collaboration skills. Ability to work effectively in a global and multicultural environment. Ability to manage priorities and work under pressure during critical incidents. Proactive and hands-on mindset. Ownership and accountability. Structured and detail-oriented. Team player with strong collaboration skills. Continuous improvement mindset. Other Details Key Value of the Role: Ensure network service availability and operational stability. Deliver high-quality support and incident resolution. Maintain customer satisfaction through effective service delivery. Support a scalable and efficient global network operating model. Contribute to operational excellence and continuous improvement initiatives.

🏢 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: 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: Senior Network Engineer role focused on designing and managing cloud and hybrid network architectures to ensure secure, scalable, and reliable connectivity between cloud environments and on-premises systems. The position involves hands-on work with advanced networking technologies, Infrastructure as Code, automation, and monitoring tools in a global enterprise environment. The role combines architecture design, implementation support, and cross-team collaboration within a cloud-centric infrastructure setup. 🗂️ Requirements: Minimum 6 years of experience in computer networking (traditional and cloud), Experience with AWS, Strong knowledge of routing, switching, VPN, hybrid connectivity, firewalls, load balancers, SD-WAN, Experience in network architecture design, Proficiency in Python, Experience with Infrastructure as Code, Experience with monitoring and troubleshooting tools, Experience with Linux, Knowledge of CI/CD processes, Experience with GitHub and GitHub Actions, Higher education in Computer Science, IT or related field or equivalent experience, English proficiency minimum B2 📃 Skills: AWS, Azure, GCP, Routing, Switching, VPN, Firewall, SD-WAN, Python, Terraform, CloudFormation, Grafana, Wireshark, Linux, CI/CD, GitHub, GitHubActions, Kubernetes, EKS, AKS 🏢 Description: We are looking for a Senior Network Engineer to join the Digital Hub in Warsaw at an international company operating in the fields of healthcare, agriculture, and life sciences. This is an infrastructure-networking-and architecture-focused role, centered on ensuring seamless connectivity between cloud environments and globally used business applications. Your responsibilities will include designing cloud network architectures, as well as working with routing, switching, firewalls, load balancers, and other cloud networking technologies. Key responsibilities Planning and managing networks connecting cloud environments (intra-cloud) and on-premises systems. Providing guidance and support in the implementation of networking solutions. Work closely with Squad Leads and other stakeholders to understand requirements and align integration strategies with business goals. Ensure solutions are scalable, reliable, maintainable, and secure, adhering to best practices in IT architecture and Bayer’s strategy. Create, maintain, and review comprehensive documentation for processes, standards, and best practices. Foster an environment of open communication and collaboration among diverse teams across different geographical locations. Ideal candidate profile Minimum 6 years of experience in computer networking (both traditional and cloud environments) and experience with AWS (knowledge of Azure or GCP is a plus). Strong experience in computer networks (routing, VPN, hybrid connectivity, switching, firewall, load balancer, SD-WAN, network architecture). Very good knowledge of Python . Knowledge of Infrastructure as Code ( Terraform, CloudFormation ). Experience with monitoring and troubleshooting tools, e.g. Grafana, Wireshark . Experience with Linux . Knowledge of CI/CD processes , GitHub , and GitHub Actions . Higher technical education (Computer Science, IT, or related field) or equivalent professional experience. Very good command of English (min. B2) Nice to have: Experience in system integrations and connectivity patterns. Experience working in enterprise or regulated environments. Knowledge of network security concepts. Experience with Kubernetes or container networking (especially EKS and AKS). Certifications such as CCNP or AWS Advanced Networking. Conditions Form of cooperation: UoP Salary range: 20240 - 25300 PLN gross/month + Annual bonus Hybrid work model: 1 day per week in the Warsaw office Benefits: company bonus and reward structure, private medical care, life and travel insurance, pension plan, sport card, additional days off, holiday allowance, home office equipment budget. Recruitment steps Call with a KUBO recruiter (Oliwia) (20-30 min.) Interview with the client (2 rounds) Decision and feedback

🏢 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.