Principal System Test Engineer
About this role
Principal System Test Engineer
Department: Test
Employment Type: Full Time
Location: Southampton, UK
Description
Key Responsibilities
· Deliver 3GPP‑aligned testing — Implement and execute tests across 5G/6G domains using automated tools and custom platforms.
· Capture and translate requirements — Work with product and development teams to define test requirements and convert them into test architectures and scripts.
· Integrate test systems — Ensure development, integration, and system‑level tests operate consistently across all components and products.
· Develop digital interface test capability — Build test solutions for emerging high‑speed digital interfaces and associated challenges.
· Produce technical documentation — Create clear user guides, architecture descriptions, design specifications, and test procedures as part of deliverables.
Skills, Knowledge and Expertise
· RF test proficiency — Able to configure and operate RF test equipment (e.g., VNAs, spectrum analysers, signal generators) and interpret results.
· 5G/6G knowledge — Demonstrates understanding of 3GPP specifications, RF behaviour, and wireless system architecture.
· Automation experience — Builds automated test workflows, including remote operation, logging, and reproducibility.
· System level thinking — Derives test requirements from architecture diagrams and specifications.
· Technical communication — Produces clear documentation and explains technical concepts to internal teams and customers.
· Python development — Writes modular, well-structured Python code suitable for automated test systems; able to complete a short coding exercise.
· Problem solving — Diagnoses issues using data, logs, and measurements; proposes structured solutions.
· Customer requirement analysis — Ability to translate customer expectations into test deliverables.
· RF design/test methods — Familiarity with RF design principles and advanced measurement techniques.
Takes responsibility for delivering high-quality outcomes, managing priorities and deadlines effectively
· Constructive Challenge
Raises concerns or alternative approaches in a professional, evidence-based manner
· Clear Communication
Communicates clearly and professionally in written, verbal, and presentation formats
· Collaboration
Works effectively with others, shares knowledge openly, and contributes to team success
· Customer Focus
Builds trust with customers and stakeholders by understanding needs and delivering reliable solutions
· Continuous Improvement
Identifies opportunities to improve processes, tools, and test approaches
· Adaptability
Responds effectively to changing priorities, technologies, or project requirements
· High test coverage aligned to requirements and standards
· Efficient automation reducing manual testing effort
· Strong collaboration across engineering and customer teams
· Focus on shared goals and teamwork
· Positive customer feedback on technical support and engagement
Benefits
Joining AccelerComm means becoming part of an ambitious, collaborative team delivering technology that is already making an impact at global scale. Based at Southampton Science Park, the company offers a modern, flexible working environment with strong links to a vibrant local technology ecosystem.
Employees are empowered to innovate, work with the latest tools and technologies, and contribute directly to the evolution of high performance wireless systems. With a culture rooted in technical excellence, openness, and continuous improvement, AccelerComm offers a genuine opportunity to influence both product direction and engineering practices.
We offer a competitive salary and a benefits package which includes pension, life assurance and healthcare. We have flexible working arrangements, including hybrid working, to support a healthy work‑life balance while enabling teams to collaborate effectively on complex, cutting edge challenges. Facilities including a popular coffee shop, good transport links, on-site nursery, secure bike storage, shower facilities and pay-as-you-go electric car charge points (see https://www.science-park.co.uk/about-the-park/park-facilities for more details).
Sponsorship
AccelerComm can offer certificates of sponsorship for successful international candidates.
Company at a glance
AccelerComm is a leading provider of high-performance, error-resilient physical layer solutions for 5G Non Terrestrial Networks (NTN). Experts in specialist Radio Access Networks (RAN) applications, AccelerComm delivers solutions with cutting-edge performance and power efficiency, utilising next generation compute platforms.
The company’s comprehensive portfolio ranges from customisable signal processing components through to complete physical layer solutions, implemented over a wide range of platforms, including software, AI Engines, FPGA, and ASIC-ready IP cores. Its modular approach allows seamless integration based on O-RAN, SCF and 3GPP standards.
AccelerComm’s solutions can be configured for a wide range of applications, optimizing aspects such as power consumption, latency, reliability, and resilience. Its technology addresses the unique challenges of NTN satellite communications, offering space-hardened, field-proven implementations that meet stringent SWaP (Size, Weight and Power) requirements.
Through continuous innovation, AccelerComm ensures its customers have access to the latest advancements in physical layer technology, supporting the development of tomorrow’s high-performance, low-power networks.
Top Benefits
- Pension
- Life Assurance
- Healthcare
- Flexible Working Arrangements
- Hybrid Working
- On-site Nursery
- Secure Bike Storage
- Shower Facilities
- Electric Car Charge Points
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