Firmware Engineer

SII Group delivers Digital Services, IT, Engineering, and Consulting to diverse industries, enabling digital transformation through our commitment to Growth, People, and CSR.

With over 16,000 professionals across 21 countries, we’re recognised as a “Great Place to Work” for fostering a high-trust culture. Our core values of Trust
, Transparency
, and Quality drive our work package delivery, ensuring we meet and exceed client expectations as a committed partner.

Since 2016, SII UK has supported top Aerospace & Defence, Aviation, Transportation, and Finance clients, empowering digital transformation with industry‑leading engineering expertise.

Let’s Tech Together is our promise to encourage innovation and teamwork. We support our engineers with development opportunities and a collaborative, inclusive environment where every voice is valued and empowered.

We’re looking for an experienced Firmware Engineer to join our innovative engineering team. Working alongside systems, software and hardware specialists, you’ll contribute to the design and development of cutting‑edge electronic systems using the latest FPGA and SoC technologies.

You’ll play a key role throughout the full firmware lifecycle—from requirements and architecture through to verification and validation—using industry‑leading tools and structured engineering processes.

• Working within a collaborative firmware engineering team
• Designing firmware in hardware description languages
• Verification using HVLs or HDLs
• Enhancing firmware processes including automation, reporting and documentation
• Collaborating with multi‑disciplinary engineering teams
• Supporting project delivery to agreed time, cost and quality

• Degree in Electronics (BEng, MEng, EngD, PhD) with at least 5 years of relevant industry experience
• Professional membership of an engineering body, ideally chartered or actively working towards Chartered status
• Advanced verification methodologies (VHDL, OSVVM, UVVM)
• Digital hardware design using VHDL and Verilog/System Verilog

• Requirements management tools such as IBM Rational DOORS
• Simulation tools including Mentor Modelsim or Questasim
• Communication technologies such as PCIe, Ethernet, Serial and AXI4
• Object‑oriented design principles
• Image processing algorithms
• Algorithm development using Matlab

• Competitive Basic Salary
• 6% Employers Contribution + 6% as a salary sacrifice
• Private Medical Insurance, Life Cover and Income Protection
• 25 days holiday
• 5 days full sick pay per year
• Cycle to Work & Tech Scheme
• Corporate access to the Udemy platform

* If you’re applying for a role requiring security clearance, please be aware that foreign or dual nationality is not an automatic bar, however certain posts may have restrictions which could affect those who do not have sole British nationality or who have personal connections with certain countries outside the UK.