Senior Electronics Engineer

Are you an experienced hardware engineer who thrives on taking advanced ideas from concept right through to market-ready reality?

Sustainable Infrastructure's client are expanding their engineering capabilities to deliver a diverse R&D and technical project pipeline over the next two years. Based hybrid in Exeter, this permanent, full-time role offers you the chance to make a direct impact within a tight-knit, collaborative technical team. As our Senior Electronics Engineer, you will own critical hardware designs, navigate technical challenges, and ensure our cutting-edge products meet the highest benchmarks for quality, reliability, and regulatory compliance.

Key Responsibilities

• Lead the complete hardware lifecycle, transforming initial prototypes into mature, commercially viable products.
• Design and develop custom PCBs using Altium Designer, performing rigorous SPICE circuit simulations throughout the development phase.
• Carry out hands-on hardware testing, board bring-up, fault finding, and design optimisation to mitigate technical risks early.
• Spearhead product certification and compliance processes, ensuring designs meet IEC 61010, EMC, safety, and radio communications standards.
• Serve as the primary technical liaison for external suppliers and prepare thorough engineering documentation, from risk assessments to test reports.

Required Skills & Experience

• A relevant degree in electronics engineering or substantial equivalent industrial experience.
• Proven expertise in custom PCB layout and EDA design tools (specifically Altium Designer) alongside simulation experience with SPICE.
• Deep practical knowledge of 32-bit microcontrollers, connected IoT devices, and serial communication buses (including I2C, SPI, and UART).
• Extensive experience with board bring-up, prototype testing, diagnostics, and root-cause fault finding.
• Strong working knowledge of electrical safety, EMC directives, and radio communication regulatory requirements.
• Demonstrable track record of leading technical projects, managing risk, and liaising directly with manufacturing partners and suppliers.

Nice-to-have

• Chartered Engineer (CEng) status, or currently working towards chartered status.
• Proven background collaborating closely across disciplines, particularly with firmware engineers and mechanical design teams.

What We Offer / Why Join

At Sustainable Infrastructure, our people shape our culture. We have built an open, supportive, and mindful environment that empowers engineers to do their best work while respecting the need for work-life balance. By joining us, you become a central figure in a fast-growing, high-tech business where your engineering decisions directly drive the design, sustainability, and quality of our future products. Alongside engaging work, you will also receive our generous pension scheme featuring matched contributions up to 9%.

Please note: Applicants must have existing right to work in the UK, as visa sponsorship is not available for this role.