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Sr Verification Test Specialist for MME/SGSN R&D

Applied R&D
NI Network Infrastructure
2100000DBM Requisition #

Come create the technology that helps the world act together

Nokia is committed to innovation and technology leadership across mobile, fixed and cloud networks. Your career here will have a positive impact on people’s lives and will help us build the capabilities needed for a more productive, sustainable, and inclusive world. We challenge ourselves to create an inclusive way of working where we are open to new ideas, empowered to take risks and fearless to bring our authentic selves to work.


The team you’ll be part of

The pandemic has highlighted how important telecoms networks are to society.  Nokia’s Network Infrastructure group is at the heart of a revolution to bring more and faster network capacity to people worldwide through our ambition, innovation, and technical expertise.

Short description of the position

As a member of the Nokia’s CMM (Cloud Mobility Manager) team within the Network Infrastructure (NI) Business Group, you will participate in the functional testing for the Cloud based SGSN/MME/AMF, the core element of 3G/4G/5G networks, based on specifications and customer requirements. Knowledge of security principles are important in the work.

Cooperation with your colleagues and other technical experts globally will be part of your everyday work to achieve the committed testing objectives, leading the evolution to reliable and safer 5G networks that our customers worldwide want.


Your skills and experience


- Knowledge of and Experience in functional testing (O&M / call processing) and test automation.

- Knowledge of and several years of coding experience with programming language like python.

- Knowledge of and experience in 3GPP standards (UMTS, LTE, 5G)  and security area.

- Bachelor’s or Master’s Degree or equivalent education in Computer Science, Telecommunications or other corresponding area.



- Knowledge of and Experience with Linux and programming languages (preferably scripting languages such as TCL, Robot, Ksh/Bash)

- Experience with Virtual Machines, Multi-threaded applications

- Knowledge of and Experience with IOTA (in-house protocol testing tool)

- Familiarity with application layer risk/vulnerabilities, attacks and security principles

- Knowledge of security tools such as Defensics and Nessus

- Openstack and Kubernetes knowledge

- Experience with XML, JSON, YAML, YANG, REST, HTTP2, ASN.1

- Knowledge of Microservices and other Container-based architectures

- Experience with Git and Confluence


What you will learn and contribute to

You will need to:

- keep in mind the customer's point of view

- be able to gain a lot of complex knowledge in a short time frame as you need to become an expert in a number of

specific areas and develop an overall understanding of the entire CMM product

- keep abreast of changes in various cloud infrastructure

- be in close contact with software developers, tools engineers, product managers and the support teams (some of which

are in different countries)

- during testing taking in the account also application layer risk/vulnerabilities, attacks and security principles

- work with a multi-site and multi-cultural team to ensure collaborative teamwork and communication

- develop and maintain test scripts written in Python, Robot and TCL

- understand Ksh/Bash, IOTA, XML, YANG, JSON, REST

- be very creative in order to simulate complex real-life situations and innovate ways to overcome any constraints,

- support, lead, develop, partner and implement automation strategies for large and small features

- be responsible for delivering the tested content you committed to

- have the ability to work in an agile way

- have a proven track record for interactions with a large number of users and ability to act as a change agent via excellent

communication, multi-tasking and automation skills

- have a proven aptitude for methodical problem solving, good communication skills, strong attention to detail, and ability to

work well in a close-knit and global team


What we offer

Nokia offers flexible and hybrid working schemes, continuous learning opportunities, well-being programs to support you mentally and physically, opportunities to join and get supported by employee resource groups, mentoring programs and highly diverse teams with an inclusive culture where people thrive and are empowered.


Nokia is committed to inclusion and is an equal opportunity employer

Nokia has received the following recognitions for its commitment to inclusion & equality:

  • One of the World’s Most Ethical Companies by Ethisphere
  • Gender-Equality Index by Bloomberg
  • Workplace Pride Global Benchmark
  • LGBT+ equality & best place to work by HRC Foundation

At Nokia, we act inclusively and respect the uniqueness of people.

Nokia’s employment decisions are made regardless of race, color, national or ethnic origin, religion, gender, sexual orientation, gender identity or expression, age, marital status, disability, protected veteran status or other characteristics protected by law.

We are committed to a culture of inclusion built upon our core value of respect.

Join us and be part of a company where you will feel included and empowered to succeed.


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Nokia is an equal opportunity employer that is committed to diversity and inclusion. At Nokia, employment decisions are made regardless of race, color, national or ethnic origin, religion, gender, sexual orientation, gender identity or expression, age, marital status, disability, protected veteran status or other characteristics protected by law.