Job Title: Communications Systems Engineer Location: Gloucester, UK Job Type: Permanent, Full-Time (37.5 hours per week - Four day working week)
Salary: £50,000 - £80,000 DOE
Clearance: Due to the nature of the work, current DV or eDV clearance is required.
 
About the Role We are looking for a Communications Systems Engineer to join a specialist engineering team in Gloucester. This role focuses on the design and development of software-defined radio (SDR) systems, including architectures, interfaces, protocols, and network topologies. You''ll play a key role in delivering advanced communication solutions for defence, cyber, and intelligence programmes.
This position offers flexible working, professional development, and the chance to work on high-impact projects in a collaborative environment.
 
Key Responsibilities

• Design and optimise SDR system architectures for advanced communications applications.
• Develop and implement interfaces and communication protocols.
• Design and model network topologies to ensure seamless integration and performance.
• Collaborate with hardware and software teams to integrate SDR solutions into larger mission systems.
• Ensure compliance with industry standards and communication protocols.
• Conduct testing and validation of communication systems, including interfaces, protocols, and networks.
• Work closely with cross-disciplinary teams to support wider system integration.

• Strong experience with SDR system architectures.
• Knowledge of communication interfaces, protocols, and standards (e.g. TCP/IP, IEEE 802, cellular network standards, error correction schemes).
• Experience in designing network topologies and link budgets.
• Familiarity with SDR system integration and related components.
• Proficiency in network modelling and system design tools.
• Strong analytical and problem-solving skills with a focus on system performance.

• Experience with real-time communication systems and network management.
• Knowledge of OpenCPI, GnuRadio, Python, C/C++, and other SDR tools.
• Experience with Linux environments and version control (e.g. GitLab).
• Background in defence or cyber communications systems.
• Familiarity with interoperability testing and network performance analysis.