Salary: £80,000 - 80,000 per year Requirements: Experience in systems engineering Strong communication skills for engaging with external stakeholders Ability to mentor and guide early career engineers Familiarity with technical consultation in a variety of projects Knowledge of requirements analysis and management (not essential) Experience with integration testing (not essential) Understanding of verification and validation processes (not essential) Familiarity with planning and execution of trials (not essential) Knowledge of systems engineering tools (e.g. DOORS, MATLAB, Simulink) (not essential) Responsibilities: Guide the scope and direction of engineering projects Deliver technical consultancy expertise on customer projects Support trials at customer locations alongside colleagues Collaborate with multidisciplinary teams across programmes Develop proposals and statements of work Engage with customer representatives to identify and pursue opportunities Attend internal management strategy meetings Mentor junior engineers in project delivery Participate in social activities and contribute to other areas of the business if interested Technologies: Support Matlab Security More: At Synoptix, we pride ourselves on being an agile business that values ownership at the strategic level of projects. We offer a collaborative work environment where you can make a significant impact as a Principal Systems Engineer while contributing to your own career development. Our benefits include an annual company bonus, 25 days of holiday, continuous professional development, flexible working arrangements, and several employee support schemes. We operate primarily within the UK and require candidates to be eligible for UK Security Clearance. last updated 18 week of 2026