Exciting Opportunity for Systems Modelling Engineers! Position: Senior Systems Modelling Engineer Location: Livingston, Scotland Contract: Permanent, Full-time (37 hours per week) Copello have partnered with a leading company in defence and aerospace technology. They are looking for passionate, skilled Modelling Engineers to join our growing Assured Position Navigation and Timing (APNT) Engineering team. What You'll Do: * Model, simulate, and assess navigation systems during the early phases of development. * Support model-based design for system conceptualisation and prototype development. * Assist in the design of complex systems, including System-on-Chip. * Engage in hands-on laboratory work and product testing. What We Need: * Proficiency in MATLAB and Simulink. * Strong problem-solving and analytical skills. * Experience in FPGA or Embedded Software Design. * SC Security Clearance (or eligibility). * A background in Navigation, DSP, or a related field is highly desirable. * Bachelor degree or PHD in Engineering, Physics or related subject (desirable) * Knowledge of System-on-Chip (SOC) (desirable) What We Offer: * Competitive salary and 25 days holiday (+ statutory). * Generous pension contribution (up to 10.5%). * Life assurance (6x salary). * Flexible working options and enhanced family leave policies. * Career development opportunities, including professional qualifications support. Join to be part of a diverse, dynamic team that is shaping the future of defence and aerospace. Apply now to make an impact