DevOpsEngineer-SIPCore(VoicePlatform)

DevOps Engineer - SIP Core (Voice Platform) Help us run and evolve a mission-critical SIP platform used by business customers every day. In this role, you ensure stability and availability while actively driving automation and modernization of our voice services. You’ll work in a DevOps setup with real ownership and impact — from operations to continuous improvement. What you can expect: -High-impact role on a critical VoIP platform (SIP Core / Ribbon) -Modern DevOps environment with automation and continuous improvement -Collaboration across network, architecture, and operations teams -Agile setup (SAFe) with real influence in PI Planning and execution -Room to shape and improve systems — not just operate them. What impact will you have? \- Operate and improve SIP-based telecommunication backend systems \- Ensure high availability, stability, and performance of voice services \- Monitor systems proactively and prevent incidents \- Troubleshoot complex issues and perform root cause analysis \- Test and deploy updates, fixes, and improvements \- Drive automation, monitoring, and operational efficiency \- Contribute to capacity planning and system health checks \- Maintain and improve documentation and runbooks \- Participate in on-call rotation (Engineer on Duty) ## Requirements Must-haves: \- Experience operating SIP/VoIP platforms (ideally Ribbon SIP Core) \- Strong knowledge of SIP, VoIP protocols , and secure transport (RTP, SRTP, TLS) \- Solid networking fundamentals (TCP/IP, routing, switching, IPSec) \- Experience with Linux systems and system operations \- Hands-on mindset in troubleshooting and problem-solving \- Good English skills (C1) Nice-to-haves: \- Automation & DevOps tools (e.g., Jenkins, Git, Terraform, Ansible) \- Scripting skills (Python, Bash) \- Experience with Kubernetes / cloud environments \- Familiarity with monitoring tools and ITSM / ITIL \- Experience working in agile setups \- German language skills Want to know more about us? We are ser