Contract Electronics Design Engineer - Hardware Redesign Location: Chichester, West Sussex (Hybrid - approx. 2 days onsite per week) Duration: 3-4 months IR35 Status: Outside IR35 We are currently working with an established technology business seeking an experienced Electronics / Hardware Design Engineer for an initial 3-4 month contract sitting outside IR35. This is an opportunity to get involved in a specialist hardware redesign project, working on existing electronic products that require modernisation due to component obsolescence and evolving technical requirements. The project is already well underway, with much of the initial design completed. The successful contractor will work closely with the internal R&D team to review, refine and complete the schematic and PCB designs, ensuring the updated hardware is robust, compliant and ready for manufacture. Key Responsibilities Review and develop existing electronic schematics and PCB layouts across hardware designs. Redesign and update circuitry to address obsolete components and ensure continued product availability. Work on complex multi layer PCB designs incorporating mixed-signal analogue and digital electronics. Support design changes relating to 2MHz and 4MHz operating frequencies. Apply EMC/EMI design principles to ensure robust hardware performance. Undertake component selection, circuit analysis and design verification. Produce and maintain accurate engineering documentation and manufacturing deliverables. Collaborate with the internal R&D team to resolve technical challenges and progress the designs through to completion. Essential Skills & Experience Proven experience in hands-on electronics / hardware design. Strong schematic capture and PCB layout capabilities. Experience designing complex multilayer PCBs. Strong mixed-signal electronics experience, including analogue and digital circuit design. Knowledge of analogue signal processing and frequency-dependent circuit design, ideally around 2-4 MHz. Practical EMC/EMI design experience. Experience modifying or redesigning existing electronic products. Ability to work independently and deliver within an established engineering project. Desirable Experience KiCad PCB design software, although experience with Altium or similar tools are considered. BGA routing and complex high-density PCB designs. STM32 or similar ARM-based microcontroller hardware. Component obsolescence management. RF or ultrasound electronics Experience working in medical devices, aerospace, defence, automotive or other regulated engineering environments. If you're an experienced Electronics Design Engineer with strong schematic, PCB layout and mixed-signal design expertise, please apply for immediate consideration. Spectrum IT Recruitment (South) Limited is acting as an Employment Business in relation to this vacancy. TPBN1_UKTJ