PS Core Engineer

Our team specializes in the deployment, integration, and lifecycle management of 4G/5G Packet Core solutions. With a strong focus on innovation, collaboration, and continuous learning, we work closely with global customers and cross-functional teams to build, optimize, and maintain the backbone of modern mobile communications.
 

This is a 12-month fixed-term opportunity with posibility of extension.

Responsibilities

• Support the configuration and testing of packet-switched core network elements.

• Assist with troubleshooting of signaling and core network issues.

• Monitor core network performance and support fault resolution.

• Document core network configurations and technical procedures.

• Collaborate with radio and transport engineers on end-to-end system integration.

• Assist in the configuration, integration, and testing of PS Core network functions (e.g., MME, SGW, PGW, AMF, SMF, UPF).

• Participate in the analysis of network traffic and performance within the core network.

• Support the development and execution of test cases for PS Core functionalities.

• Contribute to troubleshooting and debugging issues related to core network protocols and services.

• Document network configurations, test procedures, and findings.

Qualifications

• Currently pursuing or recently completed a Bachelor's or Master's degree in Telecommunications, Computer Science, or a related field.

• Basic understanding of IP networking concepts and protocols (TCP/IP, UDP).

• Familiarity with 4G (EPC) and/or 5G (5GC) core network architecture.

• Currently enrolled in or recent graduate of a technical program in telecommunications, computer science, or a related field.

• Knowledge of packet-switched core network architecture (PS Core).

• Familiarity with signaling protocols.

• Good analytical and problem-solving skills. 

• Proficiency in English and Ukrainian both written and verbal.

Advancing connectivity to secure a brighter world.

Nokia is a global leader in connectivity for the AI era. With expertise across fixed, mobile and transport networks, powered by the innovation of Nokia Bell Labs, we’re advancing connectivity to secure a brighter world. 

Learn more about life at Nokia.

Our recruitment process

We act inclusively and respect the uniqueness of people. Our 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.

If you’re interested in this role but don’t meet every listed requirement, we still encourage you to apply. Unique backgrounds, perspectives, and experiences enrich our teams, and you may be just the right candidate for this or another opportunity.

The length of the recruitment process may vary depending on the specific role's requirements. We strive to ensure a smooth and inclusive experience for all candidates. Discover more about the recruitment process at Nokia. 

Some of our benefits:

• Flexible and hybrid working schemes
• A minimum of 90 days of Maternity and Paternity Leave, with the option to return to work within a year following the birth or adoption of a child (based on eligibility)
• Life insurance to all employees to provide peace of mind and financial security
• Well-being programs to support your mental and physical health
• Opportunities to join and receive support from Nokia Employee Resource Groups (NERGs)
• Employee Growth Solutions to support your personalized career & skills development
• Diverse pool of Coaches & Mentors to whom you have easy access
• A learning environment which promotes personal growth and professional development - for your role and beyond

Learn about additional benefits in specific countries.