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Core SDM Expert

Saudi Arabia

As Core SDM Expert at Nokia, you'll be part of a team focused on the operation and maintenance of Nokia based Registers ( HSS UDM FE, EIR, AUSF), SDL ( One NDS). Your role is essential in ensuring the stability and efficiency of our Network while providing vital support to business units for their daily operational queries. You'll thrive in an innovative and collaborative work environment, where continuous improvement is encouraged, and your insights shape our service offerings. By managing system monitoring, troubleshooting issues, and automating administration tasks, you’ll directly contribute to enhancing our customer satisfaction and operational excellence. Join us to tackle exciting challenges and drive technological advancements while fostering a spirit of teamwork and dedication.


  • Handle level 2 faults rectification of Nokia Registers (HSS UDM FE, EIR, AUSF), SDL (One NDS).
  • Assign tasks, monitor performance, and ensure adherence to SLAs and KPIs.
  • Oversee monitoring, health checks, and preventive maintenance of all NEs
  • Validate and review configuration changes, software upgrades, and hardware expansions.
  • Lead critical incident resolution, ensuring minimal impact on subscriber services.
  • Perform and review root cause analysis (RCA) for major issues or outages.
  • Recommend optimizations to enhance service quality and system efficiency.
  • Ensure accurate documentation of configurations, changes, SOPs, RCA reports, and network topologies.
  • Drive resolution of high-impact incidents and outages in collaboration with cross-functional teams.
  • Ensure all change activities are well-documented, tested, and rolled out in maintenance windows.

Participate in ISO/ITIL/ISMS processes as required.


You have:

  • 8+ years of cloud operations & hands–on Linux Administration/cloud & BGP/OSPF/ISIS and MPLS experience in a production environment.
  • Degree(s)/Major(s): Masters/Bachelors Computer Science/Electrical/Telecom/Computer Engineering.
  • Hands-on experience of Nokia HSS UDM FE, EIR, AUSF, SDL (One NDS), IMSI analysis
  • Strong troubleshooting skills on Linux servers and virtual machines.
  • Familiarity with signaling protocols: SS7, MAP, ISUP, SIP, Diameter
  • Knowledge of OSS tools, Wireshark, NetAct.

It would be nice if you also had:

  • Knowledge of Disaster Recovery configurations
  • Experience in incident response and compliance documentation
  • Strong interpersonal skills for collaboration in a fast-paced environment
  • Strong communication, organization, and situation handling skills
  • Ability to maintain a persistent, dedicated, and "can-do" attitude despite setbacks

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

What we offer

Nokia offers 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

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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