Senior System Engineer Data Center (m/w/d)

WHAT WE ARE LOOKING FOR * Architect, design and engineer secure Data Center Network solutions supporting business-critical applications and hybrid infrastructure environments * Ownership over technical lifecycle, operational excellence and continuous improvement of assigned Data Center Network service offerings * Establish and govern network design standards segmentation architectures and connectivity patterns for modern Data Center environments based on Cisco Nexus, NDFC and VXLAN technologies * Design, implement and optimize Data Center fabric architectures, routing and switching infrastructures to ensure high availability, performance and scalability * Align Data Center Network and Security architectures with Zero Trust principles, enterprise security standards and regulatory requirements * Proactively analyze, optimize and forecast service performance, capacity requirements and technology lifecycle needs across assigned services * Lead advanced troubleshooting activities and perform root cause analysis for complex infrastructure, security and application connectivity challenges * Drive automation, standardization and technical debt reduction initiatives to improve operational efficiency and service reliability This position can be filled in Düsseldorf, Berlin, Bremen, Kiel, Kassel or Unterlüß. * Bachelor's degree in Computer Science, Information Technology, Engineering or a related technical discipline * Multiple years' experience in enterprise networking, with deep expertise in Data Center Networking and Network Security environments * Experience designing, implementing and operating Cisco Nexus-based Data Center infrastructures, including NDFC and VXLAN fabric architectures * Strong practical experience with enterprise firewall platforms, preferably Check Point, including security policy management and network segmentation technologies * Advanced knowledge of routing and switching protocols including BGP, OSPF, VRF, VLAN and high-availability networking concepts * Hands-on experience operating and optimizing F5 load balancing solutions, application delivery services and traffic management technologies * Strong understanding of Zero Trust principles, network security architectures micro-segmentation and enterprise security controls * Relevant industry certifications such as CCNP Enterprise, CCNP Data Center, Check Point CCSA/CCSE, or equivalent certifications are highly valued At our locations, we offer: * Employee profit-sharing * Attractive compensation * Flexible working models and mobile working * Company pension scheme * Fitness and health programs * Bike leasing * Corporate benefits platform * "Deutschland-Ticket" as a subsidized transit pass * Diverse individual opportunities for internal and external professional development, including via the Rheinmetall Academy and an e-learning platform * Professional onboarding process supported by a digital onboarding tool