Security Network Engineer

As Fresenius Digital Technology, we are an integral part of the Fresenius Group, responsible for the IT of the healthcare group and its business segments. We ensure a frictionless interface of IT and business operations so that all employees in production, logistics, and other areas can work efficiently and without interference.

The Senior Security Network Engineer plays a key role in designing, securing, and continuously improving the company’s global network infrastructure. This position combines deep technical expertise with strategic insight, ensuring that all network components and connections — both on-premise and in the cloud — are aligned with modern cybersecurity standards and business requirements.
The Senior Engineer serves as a subject-matter expert for network and perimeter security, leading initiatives to strengthen resilience, reduce risk, and support secure digital transformation across the organization.

Your daily tasks:

• Perform advanced analysis of the network environment, identifying vulnerabilities, misconfigurations, and optimization opportunities in firewall and network security policies

• Design, implement, and maintain secure network architectures, covering LAN/WAN, hybrid cloud connectivity, and remote access solutions

• Provide expert-level operational support for critical network security platforms, ensuring availability, scalability, and compliance with internal and external standards

• Lead or co-lead projects related to the rollout of network security solutions, segmentation frameworks, or zero-trust network initiatives

• Develop and maintain security baselines, technical guidelines, and best practices for network and perimeter security

• Collaborate closely with architecture, infrastructure, and cloud teams to integrate network security controls into enterprise systems

• Conduct periodic reviews of firewall and routing policies, ensuring alignment with security strategy and minimizing risk exposure

• Support incident response activities, providing in-depth network analysis and contributing to root-cause investigations

• Mentor junior engineers, promoting knowledge sharing and continuous improvement within the team

• Stay up to date with emerging threats, technologies, and frameworks (e.g., Zero Trust, SASE, SD-WAN, network micro-segmentation)

What we are looking for:

• Extensive experience (typically 5–8+ years) in network and perimeter security engineering in complex, multi-site or hybrid environments

• Proven expertise with Next-Generation Firewalls (NGFW), including policy design, traffic analysis, and security feature implementation (preferably Palo Alto or Check Point)

• Strong understanding of network infrastructure components and services: DNS, DHCP, IPAM, VPN, routing, and switching

• Hands-on experience with cloud networking and security (Microsoft Azure preferred; AWS/GCP experience beneficial)

• Ability to architect secure connectivity solutions, including segmentation, access control, and encryption mechanisms

• Analytical and conceptual thinking, with the ability to challenge existing solutions and propose well-reasoned alternatives

• Experience working in regulated environments (Healthcare, Manufacturing, or similar) and knowledge of compliance frameworks (ISO 27001, NIS2, GDPR)

• Excellent communication skills with the ability to collaborate effectively across global teams

Nice to Have:

• Experience with Network Detection and Response (NDR) tools and integrations

• Knowledge of Web Application Firewall (WAF) configuration and management

• Familiarity with firewall analyzer and compliance auditing tools

• Scripting or automation experience (Python, PowerShell, Ansible) for policy management and reporting

• Professional certifications such as PCNSE, CCNP Security, GIAC GCFW, Azure Network Engineer Associate, or CISSP

What can we offer you:

• Great collaboration and knowledge sharing spirit

• Stable employment in a company with international environment

• Benefit package (private medical health care, multisport card, life insurance, social fund, fruits in the office, integration events, employee pension program)

• Work in a modern office located in Wrocław city centre (pl. Nowy Targ) or from your home (we meet at the office once a week/ 1-2 a month depending where you are located)

• Excellent teamwork culture and friendly atmosphere

Please send your application documents to: rekrutacja@fresenius.com

*By applying for a job offer, you agree that only the country-specific labor law of the respective legal entity will be applied to the application process.