Senior Systems Engineer

Roke, Roke Manor, Romsey, Hampshire, United Kingdom Job Description Posted Tuesday 9 December 2025 at 01:00 Great ideas come from different minds. That’s why we bring together engineers, scientists, analysts, and creatives from every background — and give them the trust, tools, and freedom to make a difference. What connects us is the mission: solving meaningful problems and building capability that protects what matters most. And as the challenges evolve, so do we — working on the technologies that will shape tomorrow, not just today. At Roke Roke imagines a more secure world where technology protects, where engineers, consultants and business staff collaborate to protect what matters most to our clients. Roke is a leader in the development of cutting‑edge technology solutions for the defence industry with clients spanning National Security, Defence and Intelligence areas. We work alongside our customers to solve their complex and unique challenges. Roke’s Defence Business Unit provides technology innovation and consultancy to a variety of military users, applying our skills in Cyber & Networks, Agile Software, Consulting & Systems Engineering, Sensors & Communications, AI & Machine Learning, Information Assurance & Human Science and Data Science. The Job Opportunity Roke is seeking Senior Systems Engineers to provide technical leadership in the design and delivery of innovative and effective solutions, in the domains of Position, Navigation and Timing (PNT), RF communication and sensors. You will take ownership of the system designs of cutting‑edge electronics for defence and robust position, navigation and timing (RPNT) systems. Specific technology domains in which you will take the lead as SDA will likely include communication systems, radar systems, ground search systems, GNSS anti‑jam and anti‑spoof technologies such as array‑based directional antenna systems and extended long range navigation (eLORAN) systems. The role requires individuals who can work closely with our defence clients and users, applying their technical knowledge and domain experience, whilst communicating effectively with a wide range of internal and external stakeholders. Individuals must be able to work effectively in a highly technically challenging but rewarding environment, able to quickly assess trade‑offs and lead on technical decision making. Job Purpose & Key Responsibilities As a System Engineer your responsibilities will include: Gaining understanding of existing Roke EW system products and future development agendas particularly in the domains of GNSS, eLoran and alternative navigation. Acting as a System Design Authority on specific projects across the full engineering lifecycle from initial R&D concept to product and support. Providing leadership and systems engineering expertise to technical teams in the delivery of science and technology‑based research, solution and product development, equipment trials, and business development including competitive bids. Strengthening customer relationships and developing business opportunities by providing expert technical assistance in the shaping of solutions and their delivery programmes. Providing technical assurance expertise across a broad range of internal projects, and on behalf of clients when required. Liaising regularly with project management teams and Customers for progress reviews, ensuring technical delivery to time, cost and performance/quality whilst managing technical risks. Working dynamically on Customer sites, from the office, in shared workspaces or from home as required, with occasional overseas travel where necessary. Rapid prototyping for UOR requirements Essential skills will include BEng/BSc and/or master’s degree in an appropriate engineering, computer science, information systems or related subject. Knowledge of Sensor and Communication systems. Systems Engineering and technical leadership cross‑functional teams from R&D concept through to the full product development lifecycle. Ideally you will have experience in some of the following Knowledge of Position, Navigation and Timing (PNT) – covering any type of system for example Resilient or Alternative PNT. EW familiarity across EA, ES, ECM, ESM, RF cyber, middleware and radio bearers. Defence frameworks and standards such as PNT OS, MOSA, ASPN. A systems understanding of hardware, firmware and software including digital signal processing systems/DSPs/FPGAs, software defined radios, RF systems and antennas. Waterfall, Agile, SAFe and Spiral development processes. Identification and analysis of key risks, issues and problems and their associated mitigations and impact and their management through technical RAIDOs. Why You Should Join Us We have a competitive salary and access to a number of additional flexible benefits, which will cover Health and Wellbeing, Savings and Protection and Life, Leisure and Entertainment. Roke has a great community of groups with shared interests. These enable people to share ideas and be passionate about tools, technologies and techniques, which interest them. We are committed to a policy of Equal Opportunity, Diversity and Inclusion. Our working environment is friendly, creative and inclusive and support a diverse work‑force and those with additional needs. Security Information Due to the nature of this position, we require you to be willing and eligible to achieve a minimum of SC clearance. To qualify, the candidate should be a British Citizen and have resided in the UK for the last 5 years for SC. The Next Step Click apply, submitting an up‑to‑date CV. We look forward to hearing from you. Roke, Roke Manor, Romsey, Hampshire, United Kingdom #J-18808-Ljbffr