Senior Software Engineer (C/C++) - Space & Defense
Nokia
Software Engineering
Poland
Posted on Nov 28, 2025
Nokia Space & Defense business focuses on creating customized solutions and developing LTE and 5G commercial RAN, Cloud and Core products for our customers operating in NTN, defense and public safety domains. NTN project is Nokia co-operation with AST Space Mobile company that enables innovative, direct-to-mobile over-the-satellite communication in 3GPP LTE and 5G standard. Our defense portfolio offers end-to-end, customized tactical solutions for our customers.
We are looking for a passionate, experienced Senior Software Engineer, eager to dive in fascinating world of high-end telecommunication technologies. End-to-end perspective, variety of tasks, lightweight processes and direct contact with customers makes these projects challenging and attractive.
About Nokia
Join us in creating the technology that helps the world act together.
We are a B2B technology innovation leader, pioneering networks that sense, think and act™, putting the world’s people, machines and devices in sync to create a more sustainable, productive and accessible future.
About the Business Group
Join Mobile Networks (MN) and help us become the trusted partner of choice for Communications Service Providers (CSPs), as well as for non-CSP entities in sectors like utilities, transportation, public services, and defense. Your work will contribute to delivering unbeatable customer experiences in wireless connectivity.
In MN RAN R&D Unit we focus on the research and development of Radio Access Network (RAN) technologies for mobile networks. This includes developing and improving technologies like 2G, 3G, 4G, 5G and 6G, as well as future wireless standards. With global experts and diverse career paths, you’ll grow your skills, lead breakthrough projects, and shape the future of wireless technology.
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 in Poland:
- Flexible working arrangements to support work–life balance
- Health and well-being support – private medical care for you and your family, life insurance, mental health programs, and employee resource groups
- A minimum of 90 days of Maternity and Paternity Leave based on eligibility
- Meal and lifestyle perks – Lunch Pass (monthly meal subsidy), Nokia Social Fund (sport card, cinema tickets, loans)
- Volunteering – two paid days per year for community or charitable activities
- Career growth & mobility – technical career path, job rotation, and domestic relocation support
- Continuous learning – mentorship programs, digital learning platforms and tools
- Annual bonus – based on individual and company performance
- Pension scheme (PPE) – available after 36 months of continuous employment
- Car benefit – the eligibility for a company car is based on employee’s job grade
Nokia Space & Defense develops cutting-edge LTE and 5G solutions for NTN, defense, and public safety, including direct-to-mobile satellite communication with AST SpaceMobile. We are looking for an experienced Senior Software Engineer ready to take on diverse, customer-focused projects in high-end telecom technologies.
- Knowledge of 3GPP LTE / 5G
- Knowledge of Nokia AirScale (ASIB/ABIO) products
- Software knowledge in following areas for LTE or 5G (MacPS, L2PS, C-Plane, OAM)
- Strong commercial experience in C++
- Expertise in algorithm optimization, code profiling and in analysis of memory usage violations
- Excellent analysis and problem-solving skills
- Knowledge of Boost and STL C++ Libraries
- Knowledge of unit and component test frameworks
- Very good communication skills in English - both verbal and written
- Readiness to work in a hybrid mode (Nokia Kraków office)
It would be nice if you also had:
- L1, RFSW software components knowledge
- Experience with CFAM process
- Python, Go, Bash is an advantage
- Bachelor’s or master’s degree in Computer Science, Telecommunications or a similar subject
- Creating and reviewing requirements for functional, design and interface specifications based on system and HW specifications
- Designing and implementing software utilizing the latest software best practices
- Defining scope and coverage requirements for cross-component development tests
- Participating in SyVe test plans reviews and actively cooperating with test teams
- Analyzing and solving complex engineering problems in radio technologies area
- Setting up frameworks and R&D processes and practices
- Looking for automation opportunities and driving implementation
- Daily cooperation with project managers in planning activities
- Providing on-boarding trainings for newcomers and training for teammates
- Mentoring other members of the team
Technologies we work with:
- C++11/14/17/20
- GCC, Clang
- Linux
- Testing frameworks
- JIRA
- Version control and code review systems (Git/Gerrit)
- Continuous Integration systems