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.

THE OPPORTUNITY

SII UK is seeking a Hardware Engineer to join our engineering team in Portsmouth. This role offers an exciting opportunity to work on cutting-edge aerospace and defence projects, designing, developing, and testing hardware systems for mission-critical applications.

ESSENTIAL SKILLS AND EXPERIENCE:

• Degree in Electronics Engineering, Electrical Engineering, or a related field.
• Strong experience in hardware design, including digital and analogue electronics.
• Proficiency in schematic capture and PCB layout tools (e.g., Altium, OrCAD).
• Experience with FPGA design and embedded systems.
• Knowledge of high-speed digital design, power electronics, and RF circuits.
• Familiarity with industry standards such as DO-254, MIL-STD, and ECSS.
• Experience with hardware testing, debugging, and environmental qualification processes.
• Strong problem-solving skills and ability to work in a fast-paced environment.
• Excellent communication skills and ability to work in cross-functional teams.

DESIREABLE SKILLS

• Experience in aerospace or defence industry hardware development.
• Knowledge of signal integrity and thermal analysis.
• Understanding of systems engineering and requirements management.
• Experience with VHDL/Verilog for FPGA development.
• Familiarity with MATLAB, LabVIEW, or similar simulation tools.
• Awareness of radiation effects on electronics for space applications.

• Design and develop electronic hardware systems for defence and space applications.
• Work on full product lifecycle development, from concept to qualification and production.
• Perform circuit design, schematic capture, PCB layout, and simulation.
• Develop and integrate FPGA-based and embedded systems.
• Conduct hardware testing, validation, and verification, ensuring compliance with industry standards.
• Collaborate with multidisciplinary teams, including software, systems, and mechanical engineers.
• Support hardware troubleshooting, failure analysis, and root cause investigations.
• Ensure designs meet EMC, environmental, and safety requirements.
• Prepare technical documentation, including design reports, specifications, and test procedures.