Deutsche Telekom IT Solutions is hiring a Senior Network Automation Engineer (REF5428A)

Automation Engineer responsible for designing, implementing, and supporting automation solutions across our Network infrastructure. This role requires strong scripting capabilities (NSO & Python), solid understanding of network architecture, and experience with CI/CD processes and release governance. The ideal candidate has the following profile: - 60% NSO & Python - 25% Network Architecture understanding - 15% CI/CD & release governance Required Skills NSO & Python - Experience with network automation frameworks (e.g. Cisco NSO, Ansible, Terraform, Python) - Understanding of infrastructure as code / network-as-code principles - Strong experience developing and maintaining Cisco NSO service packages - Deep understanding of NSO architecture, service models (CFS/RFS), FASTMAP and service plan lifecycle - Solid Python3 skills with strong OOP principles and experience in transactional systems - Maintain NSO Application and be the goto resource for NSO topics and issues - Ability to work with APIs and data models (REST, JSON/YANG) - Experience with automated testing frameworks (Robot Framework preferred) Network Architecture understanding - Solid understanding of networking fundamentals (L2/L3, BGP, VPNs, IPsec, VRF, segmentation) - Worked within a Network Operations or Engineering environment - Experience of Cisco ACI, IOX-XE, NXOS CI/CD & release governance - Experience and knowledge of Git-based workflows and CI/CD pipelines (build, test, release) - Experience with release management in multi-service network automation platforms. - Good Linux knowledge including scripting and containerized environment General - Strong troubleshooting capability & skills in complex distributed automation environments. - Ability to think in end-to-end service models, not just device-level configs - Ability to translate business/service requirements into technical workflows - Attention to Detail - Ability to mentor and coach team members - Ownership mindset: takes issues end-to-end until resolution - Strong cross-team collaboration skills (Dev, Ops, ServiceNow, vendors) - Ability to clearly communicate technical concepts to different audiences - Proactive in identifying improvements and optimisation opportunities - Strong self-learning capability, especially around new tools/platforms Nice to have skills: - Understanding of network virtualization (VXLAN, EVPN) - Experience with telemetry & streaming (gNMI, OpenConfig) - Certification: Cisco DevNet Associate / Professional