Network & Security Engineer

We are seeking an experienced Senior Network & Security Engineer to join our IT Infrastructure & Operations team. In this role, you will be responsible for the administration, support, and continuous improvement of our enterprise security and network infrastructure, with a strong focus on Check Point Firewalls and network security technologies. You will help ensure the availability, performance, and security of our global environment while supporting hybrid networking across on-premises and Microsoft Azure platforms. Working closely with infrastructure, cloud, and security teams, you will contribute to operational excellence, compliance, and ongoing technology transformation initiatives.

Your tasks and responsibilities:

• Administer, maintain, and optimize Check Point Firewalls, F5 WAF, VPN, MFA, NAC, proxy solutions, and PKI services.
• Manage firewall policies, security rules, upgrades, patching, and security hardening activities.
• Support vulnerability remediation, security incident investigation, and audit/compliance requirements.
• Operate and troubleshoot enterprise network infrastructure, including LAN, WAN, wireless, and Internet connectivity.
• Support Cisco networking technologies, including routing, switching, SDA, ACI, and high-availability network services.
• Manage hybrid connectivity between on-premises environments and Microsoft Azure.
• Monitor network and security performance, perform root cause analysis, and resolve complex issues.
• Maintain technical documentation and support Incident, Problem, Change, and Vulnerability Management processes.
• Collaborate with cross-functional teams on infrastructure projects, migrations, and operational improvements.
• Participate in on-call support and act as an escalation point for network and security-related incidents.

Your skills and experience:

• 5+ years of experience in Network Security, Firewall Administration, or Network Engineering.
• Strong hands-on experience with Check Point Firewall administration, including SmartConsole, Management Server, and Gateway management.
• Experience with VPN technologies, F5 WAF, MFA, NAC, proxy solutions, and certificate management.
• Solid understanding of Cisco networking technologies, TCP/IP, BGP, OSPF, HSRP, VLANs, and enterprise networking concepts.
• Experience with Cisco SDA, Cisco ACI, data center networking, and hybrid Azure networking environments.
• Strong troubleshooting, analytical, and problem-solving skills.
• Knowledge of ITIL processes and experience working in enterprise or regulated environments.
• Professional English proficiency and excellent stakeholder communication skills.
• Relevant certifications such as CCSA/CCSE, CCNA/CCNP, F5 BIG-IP, or ITIL Foundation are advantageous.
• Exposure to Azure networking, SASE/SSE, Zero Trust concepts, and financial services environments is a plus

What we offer:

• An exciting working environment and challenging tasks
• Extensive insight into the European fund industry
• Friendly, international and goal-oriented working environment
• High degree of independent work
• Interesting discounts
• Free Deutschland ticket
• Attractive home office arrangements and working time flexibility