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# Devops engineer sip core (voice platform)

- **Company:** Swisscom
- **Location:** Rotterdam, Netherlands (Remote available)
- **Salary:** €5,000.0 - €6,000.0
- **Contract:** Temporary contract
- **Skills:** Agile Methodology, Bash Shell, VoIP, Linux, DevOps, Monitoring of Systems, Internet Protocol Security (IP SEC), Python (Programming Language), Networking Basics, Routing, Ansible, TCP/IP, Scripting, Cloud Platform System, System Availability, Ribbon (Software), Backend, Git, Kubernetes, Terraform, Jenkins
- **Published:** August 7, 2026
- **Apply:** https://nl.talent.com/redirect?id=623327170885781573&source=vacant&utm_medium=xml&utm_campaign=marketing&utm_product=vacantnew_bulk&oapply=org_v2026-07&puid=edaaaddeddadadddbdde9dd9eddfadd9adagbdd89dd89ddbbdd9add8bdafaddbcdd99dddbea3addffddgaed2dddgaddgfddgaddgaddg9ddg6ed3gc9bbb9b3bee3ee33def3de93de83debgddbgddffdde3dea3defgddb3ee33de93deg3ee33ee33deg3ee33ee33ee33ee33ee33ee3&pos=2&xml_batch_generation_id=490f0160-0e1d-4432-9298-028507277d3a&falcon=1&pid=f7c975c67359&bpid=98e4f22de0803bcc1fbc23cef312c0f0

## About the Role

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?

## Description

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)


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