DevOps Engineer - SIP Core (Voice Platform)

<p><strong><span style="color:#616161">DevOps Engineer - SIP Core (Voice Platform)</span></strong></p><p style="text-align:start;"><span style="color:#616161">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.</span></p><p style="min-height: 1.7em;"></p><p><strong>What impact will you have?</strong></p><p style="text-align:start;"><span style="color:#616161">- Operate and improve SIP-based telecommunication backend systems</span><br><span style="color:#616161">- Ensure high availability, stability, and performance of voice services</span><br><span style="color:#616161">- Monitor systems proactively and prevent incidents</span><br><span style="color:#616161">- Troubleshoot complex issues and perform root cause analysis</span><br><span style="color:#616161">- Test and deploy updates, fixes, and improvements</span><br><span style="color:#616161">- Drive automation, monitoring, and operational efficiency</span><br><span style="color:#616161">- Contribute to capacity planning and system health checks</span><br><span style="color:#616161">- Maintain and improve documentation and runbooks</span><br><span style="color:#616161">- Participate in on-call rotation (Engineer on Duty)</span></p> <br> <p><span style="color:#616161">Must-haves:</span><br><span style="color:#616161">- Experience operating </span><strong><span style="color:#616161">SIP/VoIP platforms</span></strong><span style="color:#616161"> (ideally </span><strong><span style="color:#616161">Ribbon SIP Core</span></strong><span style="color:#616161">)</span><br><span style="color:#616161">- Strong knowledge of </span><strong><span style="color:#616161">SIP, VoIP protocols</span></strong><span style="color:#616161">, and </span><strong><span style="color:#616161">secure transport (RTP, SRTP, TLS)</span></strong><br><span style="color:#616161">- Solid </span><strong><span style="color:#616161">networking</span></strong><span style="color:#616161"> fundamentals </span><strong><span style="color:#616161">(TCP/IP, routing, switching, IPSec)</span></strong><br><span style="color:#616161">- Experience with </span><strong><span style="color:#616161">Linux systems</span></strong><span style="color:#616161"> and system operations</span><br><span style="color:#616161">- Hands-on mindset in troubleshooting and problem-solving</span><br><span style="color:#616161">- Good English skills (C1)</span><br></p><p><span style="color:#616161">Nice-to-haves:</span></p><p><span style="color:#616161">- Automation &amp; DevOps tools (e.g., Jenkins, Git, Terraform, Ansible)</span><br><span style="color:#616161">- Scripting skills (Python, Bash)</span><br><span style="color:#616161">- Experience with Kubernetes / cloud environments</span><br><span style="color:#616161">- Familiarity with monitoring tools and ITSM / ITIL</span><br><span style="color:#616161">- Experience working in agile setups</span><br><span style="color:#616161">- German language skills</span></p><p><strong><br>Want to know more about us?</strong></p><p>We are serving the Swiss market as Switzerland’s leading IT &amp; Telecom company. Thus, we are actively driving digitalization and networking, and tapping new paths for our customers and our employees. Our values are sparking passion, aiming high and standing true. </p><p>Since 2019, we have been building up the coolest DevOps Center with a wonderful office at the World Trade Center in the heart of Rotterdam. We are currently recruiting IT passionate professionals who are keen on developing high-quality software, have an agile mindset and appreciate the collaboration with motivated colleagues from all over the world.</p><p style="min-height: 1.7em;"></p><p><strong>What's in it for you?</strong></p><p><em>Work environment</em></p><ul><li><p>Agile way of working, multi-cultural work environment promoting work-life balance</p></li><li><p>Autonomy, flexibility, opportunity and growth</p></li><li><p>Cool office space in the World Trade Center Rotterdam!</p></li><li><p>Are you coming to the office by bike or car? You can park right here at the office</p></li><li><p>Be a part of our events to build a stronger Swisscom community - for example, culture lunches, fun quizzes, game nights and a lot <a rel="noopener" target="_blank" href="https://www.linkedin.com/showcase/swisscom-devops-center-rotterdam/posts/?feedView=all">more!</a></p></li></ul><p><em>Allowances</em></p><ul><li><p>Full relocation support (Housing, settling in, etc.) for you and your family</p></li><li><p>200 euros per month Telephone/internet allowance</p></li><li><p>275 euros per month contribution to health insurance</p></li><li><p>5 Paid training days and access to Swisscom learning platforms</p></li><li><p>Travel allowance reimbursement</p></li><li><p>500 euros home office allowance</p></li><li><p>Gym subscription, Tax advice, and language course</p></li><li><p>Salary range: 60,000 to 72,000 euros gross per year including holiday allowance</p></li></ul><p><em>Leaves policy</em></p><ul><li><p>Care, bereavement, maternity and paternity leaves</p></li><li><p>25 days paid vacation days plus Dutch national holidays</p></li></ul><p><em>Contract terms</em></p><ul><li><p>To begin with you will receive a fixed term contract (one year), after 6 months of your employment with us, after a feedback meeting with the team, there is a possibility of extending the contract&nbsp;</p></li><li><p>The salary ranges mentioned in our Job Descriptions are base annual gross salaries including the 8% holiday allowance</p></li><li><p>Since this role consists of varying seniorities, the salary range is between 60k to 75k euros gross per year, including the 8% holiday allowance</p></li></ul><p>Find more <a href="https://www.arbeitnow.nl/english-speaking-jobs">English Speaking Jobs in Netherlands</a> on Arbeitnow</a>