Senior Network Engineer - Data Center Network
Summary
Senior network engineer designing, securing, and troubleshooting Cisco ACI/Nexus data-center fabrics for a German financial-services client, with on-call leadership and Huawei CloudEngine migration.
We are looking for a Senior Network Engineer – Data Center Network to join a critical IT infrastructure environment supporting the German financial services sector.
You’ll take technical ownership within the Data Center Network area, working with highly critical infrastructure where stability, security and reliability are essential.
Your responsibilities
Provide technical leadership and coordination for Network Engineers
Manage and troubleshoot Cisco ACI – APIC, EPG, Contracts
Work with Cisco Nexus – NX-OS, vPC
Act as Technical Lead during major incidents, including 24/7 on-call availability
Take responsibility for Change, Release, Incident and Problem Management
Support network planning, design, architecture and optimization
Implement and quality-check network configurations
Perform advanced troubleshooting in line with established ITIL-based processes
Maintain technical documentation and configuration records
Support preparations for the future introduction of Huawei CloudEngine
What we’re looking for
CCNP or CCIE Data Center, or equivalent expertise
Strong hands-on experience with Cisco ACI and Nexus
Experience in technical leadership, coordination or mentoring
Solid Data Center networking background
ITIL knowledge is an advantage
Experience with Huawei DCN, or willingness to learn quickly
Fluent English; German is an advantage
Ansible/Python and CheckMK knowledge is a plus
What’s on offer
B2B contract
€40/hour
Start: ASAP
Initial assignment until 31 December 2026, with possibility of extension
International, technically advanced environment
Opportunity to work with critical Data Center infrastructure in the financial services sector
A senior role combining hands-on engineering, technical leadership and operational ownership
If you’re an experienced Cisco Data Center Network Engineer who enjoys solving complex infrastructure challenges and taking ownership in critical environments, let’s talk.