Senior Defence Electronics Systems Engineer

SII Group UK; Belfast City District; On-site; GBP 60,000 - 90,000; Full time

Job summary

SII UK, a trusted Aerospace and Defence engineering partner, is seeking a Senior Electronics Engineer to design and develop complex electronic systems for defence applications across the full lifecycle, from requirements capture and architecture through to design, integration and verification.

You’ll work within a multi-disciplinary team, contribute technical expertise, and ensure designs meet regulatory standards while advancing high‑performance electronics.

Qualifications

• Strong experience in electronic circuit and system design.
• Experience in Power, Digital, Analogue, High-Frequency Electronics or Electronics Architecture.
• Experience with electronics design and simulation tools.
• Knowledge of DFT and DFM principles.
• Hands‑on experience with testing, integration and fault finding.
• Strong analytical, problem‑solving and teamwork skills.

Responsibilities

• Design complex electronic circuits, assemblies and systems
• Contribute to electronic architectures against system requirements
• Perform component and subsystem evaluation
• Create electronic schematics and work closely with PCB layout engineers
• Support design optimisation through analysis, modelling and simulation
• Carry out testing, validation, integration and debugging
• Produce electronics specifications and development/verification plans
• Support fault finding and technical investigations
• Ensure designs meet relevant regulatory and engineering standards

Skills

Circuit & system design

Power & RF

Digital & Analog

DFT/DFM

Testing & fault finding

Analytical teamwork

Job description

SII UK, a trusted Aerospace and Defence engineering partner, is seeking a Senior Electronics Engineer to design and develop complex electronic systems for defence applications across the full lifecycle, from requirements capture and architecture through to design, integration and verification.

You’ll work within a multi-disciplinary team, contribute technical expertise, and ensure designs meet regulatory standards while advancing high‑performance electronics.