Salary: £60,000 - 60,000 per year Requirements: We are looking for candidates with a solid understanding and experience in Systems Engineering, particularly with integrated software systems. Familiarity with Systems and Software Engineering standards such as ISO 15288 and ISO 12207 is desirable. Experience in Model Based Systems Engineering (MBSE) and software architectural modeling within frameworks like NAF/UAF/TOGAF/SysML/UML, using tools such as CATIA Magic (Cameo) or Sparx EA, is essential. You should also have skills in requirements definition and management using tools like IBM DOORS Next, as well as experience in configuration management with systems like Teamcenter or SAP. Proficiency in planning, performing, and documenting system testing linked to requirements using tools such as IBM Engineering Test Manager is crucial. Familiarity with mathematical simulation tools or languages like Mathworks MATLAB, Simulink, Pearl, or Python will be an advantage. A higher education degree or equivalent experience in a relevant STEM discipline is required. Additionally, you must be eligible for SC Clearance to be considered for this position. Responsibilities: As a Senior Systems Engineer in our Maritime Autonomy Team, you will apply your Systems Engineering expertise to develop maritime autonomous systems. Your day-to-day duties will include the following: applying your Systems Engineering experience with a strong understanding of software system embodiment for autonomous maritime systems; discerning and decomposing requirements at system, sub-system, and software specification levels, while managing these in appropriate tools; undertaking system design decomposition and architectural modeling and overseeing the transition from system architecture to software architecture; planning, executing, and reporting system testing; and contributing to the definition of acceptance strategies to ensure compliance at various levels of system design, supporting the production of customer acceptance evidence. Technologies: IBM Matlab Python SAP TOGAF UML More: This is an exciting opportunity to join a FTSE 100 Defence company based in Broad Oak, Portsmouth, where you will work with global experts and cutting-edge technology in the field of autonomous defence systems. The salary for this position ranges from £45,000 to £60,000, in addition to benefits and flexible/hybrid working options. We look forward to receiving your application! last updated 11 week of 2026