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Sr Verif Test Specialist, MME/SGSN R&D

Published date 5 days ago
Posted: 5 days ago
Company Nokia
Company: Nokia
Location Espoo
Location: Espoo

Nokia is a global leader in the technologies that connect people and things. With state-of-the-art software, hardware and services for any type of network, Nokia is uniquely positioned to help communication service providers, governments, and large enterprises deliver on the promise of 5G, the Cloud and the Internet of Things. 
Serving customers in over 100 countries, our research scientists and engineers continue to invent and accelerate new technologies that will increasingly transform the way people and things communicate and connect.
Nokia is an equal opportunity employer that is commited 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.
Business Group Description
You will be part of the global Cloud Mobility Manager (CMM) organization within the IP Optical Networks Business Unit of Nokia. The CMM delivers a cloud native converged packet core solution which addresses multiple evolution scenarios: 5G (AMF), 4G LTE overlay today with 2G/3G consolidation, or 2G/3G renewal today with future evolution to 4G LTE and 5G technology on the same platform. The Cloud Mobility Manager (CMM) product combines the MME (4G LTE), SGSN (2G/3G) and AMF (5G)functionality. The CMM is developed and tested across various platforms including Openstack.
Key Job Responsibilities:
You will need to:
  • 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),
  • 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, 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
  • keep in mind the customer's point of view.
  • 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)
  • 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)
  • Openstack knowledge
  • Experience with XML, JSON, YAML, REST, HTTP2, ASN.1
  • Knowledge of Microservices and other Container-based architectures
  • Experience with Git, Confluence
    Job Grade/Level: 9
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