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Cloud Native IMS System Tester

Ericsson

Ericsson

Budapest, Hungary
Posted on Jun 23, 2025

Grow with us

About this opportunity:

Join our newly formed Cloud Native IMS System Test Team and be part of designing the future of telecom. We’re building the next-generation CI/CD and system testing frameworks for Ericsson’s MTAS (Multimedia Telephony Application Server) and CSCF (Call Session Control Function) — two core products of our globally leading VoLTE-based IMS communication platform.

You’ll be part of the Product Development Group (PDG MTAS&CSCF), under PDU Communication Services (CUE). This team holds the global design ownership for MTAS and CSCF and is now launching the Cloud Native IMS transformation. With development sites in Sweden, Hungary and India, we work in a truly international and collaborative environment.

What you will do:

• Develop and maintain system-level test strategies and automated test suites (functionality, performance, security)
• Build and manage test environments and tools (Jenkins, Git, Docker, Kubernetes)
• Design test frameworks that integrate with modern DevOps flows
• Track defects, analyze failures, and drive root cause resolution
• Maintain traceability, documentation, and ensure compliance
• Collaborate closely with development and operations to ensure fast feedback loops
• Continuously scout for and introduce new test technologies

The skills you bring:

Required Skills:


• Solid Linux administration skills for setting up and maintaining test environments
• Advanced scripting knowledge in Python, Java or Perl, and Bash (GO is a huge plus)
• Experience with Docker, container registries, Kubernetes, and Artifactory
• Familiarity with Git, Gerrit, and Jenkins for test execution and monitoring
• BSc or MSc in Computer Science, Engineering, or a related field
• 3–5 years of experience in DevOps-driven system testing
• Excellent command of English

Nice to Have:

• Domain knowledge in Telco Cloud or IMS systems
• Test architecture design for distributed microservice-based platforms

Why join Ericsson?

At Ericsson, you´ll have an outstanding opportunity. The chance to use your skills and imagination to push the boundaries of what´s possible. To build solutions never seen before to some of the world’s toughest problems. You´ll be challenged, but you won’t be alone. You´ll be joining a team of diverse innovators, all driven to go beyond the status quo to craft what comes next.

What happens once you apply?

Click Here to find all you need to know about what our typical hiring process looks like.

Encouraging a diverse and inclusive organization is core to our values at Ericsson, that's why we champion it in everything we do. We truly believe that by collaborating with people with different experiences we drive innovation, which is essential for our future growth. We encourage people from all backgrounds to apply and realize their full potential as part of our Ericsson team. Ericsson is proud to be an Equal Opportunity Employer. learn more.

Primary country and city: Hungary (HU) || Budapest

Req ID: 768506