Senior Power Electronics Engineer
23 hours ago
Wokingham
Contract Opportunity: Power Electronics Engineer (OUTSIDE IR35 – QDOS Assessed) Location: Hybrid Working - Berkshire and from home Duration: 12 Months (with likely extension) Rate: High Pay rate Start Date: ASAP IR35 Status: Outside IR35 (QDOS assessed) Condensed working week available Overview: An experienced Power Electronics Engineer is required for a contract position (Outside IR35) to support the design, development, and qualification of high-reliability AC-DC and DC-DC power conversion systems. Could you be interested or know anyone interested in the below opportunity? The role is for Power Electronics development to design, develop, and qualify AC-DC and DC-DC power conversion systems for satellite communications applicationl. This role requires strong expertise in power conversion, EMI/EMC compliance, and MIL-STD standards. Key Responsibilities: Design & Development • Design AC-DC front-end converters (85-265 VAC to regulated DC rails)., • Develop isolated and non-isolated DC-DC converters to support RF, digital, and control subsystems., • Optimise designs for efficiency, thermal performance, reliability, and compact form factor. EMC / EMI Compliance • Ensure designs comply with MIL-STD-461G and relevant EMC/EMI standards., • Implement filtering, shielding, grounding, and PCB layout techniques to control emissions and susceptibility. Testing & Validation • Develop and execute test procedures for power performance and EMC compliance., • Conduct lab testing with oscilloscopes, spectrum analysers, LISNs, and other EMC equipment., • Work with RF, digital, and mechanical engineers to integrate power systems into terminal architectures., • Produce schematics, design reports, test documentation, and compliance evidence for certification and customer reviews Requirements • Bachelor's or Master's degree in Electrical/Electronic Engineering, • 10+ years' experience in hardware design, integration, testing, and troubleshooting., • Proven experience in AC-DC and DC-DC power supply design (up to kW range desirable)., • Strong understanding of EMC/EMI principles and MIL-STD-461G compliance., • Hands-on experience with PCB design for power and EMC., • Skilled in simulation tools (PSPICE, LTspice, MATLAB/Simulink, etc.), • Proficient in lab validation and EMC test equipment (spectrum analysers, LISNs, conducted/radiated test setups). Desired Skills: • Experience with power factor correction (PFC) topologies., • Familiarity with ruggedised electronics for defense/field deployments., • Knowledge of thermal management and environmental protection., • Experience with compliance testing and working with certification bodies. Exposure to automated test setups for power and EMC. The client are happy with a hybrid working arrangement, approximately 3 days onsite and two from home although this can be flexible for the right person. Application Process: If you are a seasoned Power Electronics Engineer looking for your next OUTSIDE IR35 contract, please apply with an up-to-date CV highlighting relevant experience. Immediate availability or short notice is preferred.