{"id":20243,"url":"https://alion.io/job/ionate-principal-power-electronics-engineer","title":"Principal Power Electronics Engineer","company":{"id":5745,"name":"Ionate","domain":"ionate.com","url":"https://alion.io/company/ionate","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workable","truth_index":null},"role":"Hardware","role_family":"Hardware","seniority":"lead","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["London, United Kingdom"],"countries":["GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":90000,"max_usd":161000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":22},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"MATLAB","optional":false},{"name":"Simulink","optional":false}],"status":"live","first_seen_at":"2026-04-28T00:00:00Z","employer_posted_date":"2026-04-28","last_verified_at":"2026-10-17T11:29:56Z","board_verified":true,"closed_at":null,"days_open":172,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":172},"description":"London / Hybrid\nIONATE is a deep-tech scale-up building the technology backbone for smart electricity grids. Our team is looking for a Principal Power Electronics Engineer to lead the development of our game-changing green technology whilst growing within our world-class team.\nThis role will suit someone who thrives in a fast-paced, ever-changing environment, where no two days are the same.\nWith a focus on grid-connected converter design such as Power Conversion Systems (PCS), EV chargers, or Solid-State Transformers (SST), you will lead and contribute to analyses, design reviews, simulations, technical discussions, verification and validation processes. We are looking for an innovative engineer with strong technical judgement, ground reasoning, and hands-on experience. You will contribute directly to live projects and testing activities, collaborating closely with the team to develop IONATE’s state-of-the-art technology.\nWhat you will do:\nPower Electronics Design & Development\nLead the architecture, design, and development of advanced power electronics systems for grid-connected applications.\nDesign, prototype, and validate power conversion systems (AC-DC, DC-DC, AC-AC), including high-frequency and high-power topologies.\nDevelop mixed-signal circuits, including but not limited ADC sensing chains, PWM control, and gate driver for high-performance converters.\nOversee and contribute to PCB design and layout, with strong emphasis on signal integrity, power density, and manufacturability.\nLead EMI/EMC design and compliance activities, ensuring products meet relevant regulatory standards for grid-connected equipment.\nTesting, Debugging & Validation\nLead system level validation strategies, including test planning, verification, and certification activities. \nConduct and oversee root-cause analysis and debugging across prototype and production stages.\nSupport lab bring-up, testing, and performance optimisation of power electronics systems.\nTechnical Leadership\nTake ownership of hardware design from concept to production, ensuring compliance with safety, quality, and international standards.\nAct as the Technical Lead for key power electronics development, defining system architecture, key technology choices or trade-offs, and validation plans.\nDrive design decisions across converter topologies, control strategies, magnetics, and system integration.\nLead technical reviews, mentor engineers, and set best practices across power electronics activities.\nDocumentation & Process\nCreate and maintain high-quality engineering documentation, including system requirements, design specification, technical analysis, and testing reports.\nSupport external communications by contributing to technical presentations, product documentation, and customer-facing materials.\nEnsure adherence to relevant industry standards and internal engineering processes.\nRequirements\nWhat will you need:\nDegree in Electrical & Electronic Engineering, Power Electronics, (or equivalent), with extensive experience in end-to-end product development - from concept through to commercialisation.\nStrong track record in designing and delivering high-voltage, high-power power electronics converters.\nDeep understanding of advanced converter topologies such as CHB, LLC, DAB, MMC, and their application(s) in grid-connected systems.\nProven expertise in power electronics design, including component selection, magnetics, control interfaces, and system-level integration.\nExperience with circuit modelling, simulation and PCB design, using tools such as SPICE, MATLAB/Simulink, and Altium (or equivalent).\nHands-on experience in laboratory testing, validation, and debugging using equipment such as oscilloscopes, power analysers, and grid simulators. \nExperience designing for manufacturability, reliability, and compliance in production environments.\nDemonstrate technical leadership, including setting technical direction, leading design reviews, and mentoring engineers.\nStrong communication and collaboration skills, with the ability to work across multidisciplinary teams and engage with external stakeholders; willingness to travel as required.\nWillingness to travel nationally and internationally to support testing and commissioning, or present in conferences (up to 10% of your time).\nAvailability to join us in our Hammersmith based office 3-5 days per week (dependent on project deadlines).\nIt would be useful to have:\nExperience designing and testing high-voltage power electronics systems, such as Power Conversion Systems (PCS), EV chargers, Solid-State Transformer (SST), HVDC/STATCOM, or Medium-voltage VFD (Variable Frequency Drive).\nExperience designing systems to meet EMC/EMI compliance requirements.\nExperience designing and testing commercially-ready systems for CE/UL/TUV certification, including working with external certification bodies. \nFamiliarity with system-level control of grid-connected converters, including grid synchronisation, protection, and stability considerations.\nBackground in volume manufacturing environments, including design for cost optimisation, yield improvement, and supplier engagement.\nUnderstanding of energy systems applications such as DC-grid, renewable integration, or energy storage systems.\nBenefits\nEmployee Option Plan: You get equity in IONATE, so as we succeed so do you. \nPrivate Medical & Dental Insurance: From day one, we provide you with full, comprehensive private medical and dental cover through Bupa. You also have the option to add any dependents to your cover. Please ask us for more details. \nCompany pension: a flexible, and sustainable pension product to help you plan for your future.\nCareer Development: It’s important to us that you have the opportunity for ongoing professional development and career growth. You will receive an annual budget for professional development and work with your team to set and reach goals every year.\nFlexible working schedules: You will have the flexibility for work-from-home arrangements. Talk to us at the application stage about this.\nCycle to Work Scheme: Low carbon travel is important for everyone, so we have in place a cycle scheme to help you purchase a bicycle.\n Slow travel: We believe in a low carbon future, so if you wish to travel by a lower carbon method - but it takes much longer than flying - we will give you an extra 2 slow travel days per year.","description_format":"text","description_chars":6382,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Dental insurance","Equity","Flexible schedule","Professional development"],"hiring_locations":[{"name":"United Kingdom","iso":"GB","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Electrical & Electronic Engineering","Data & Analytics","Information Technology"],"lifecycle":[{"event":"open","at":"2026-04-28T00:00:00Z"}],"visa":[{"country":"GB","licensed_sponsor":true,"evidence":"Licensed UK visa sponsor (Skilled Worker)","filings_12m":null,"filings_prev_12m":null,"green_card_filings_12m":null,"median_offered_wage_usd":null,"route":"Skilled Worker","cap_exempt":false,"checked_at":"2026-10-17T06:21:15+00:00","sources":["UK Home Office: register of licensed sponsors (workers)"],"filings_for_role_12m":0}],"liveness":{"score":16,"band":"cold","label":"Long shot","p_open":1,"p_active":0.577,"p_room":0.28,"age_days":172,"expected_fill_days":55,"reasons":["conf:0","win:tail","crowd:"],"computed_at":"2026-10-17T05:46:00Z"},"pay":null,"html_url":"https://alion.io/job/ionate-principal-power-electronics-engineer","json_url":"https://alion.io/job/ionate-principal-power-electronics-engineer.json","meta":{"generated_at":"2026-10-17T12:16:05Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":16243,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-18T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":5745},"rest":"https://alion.io/mcp/rest/get_company?id=5745"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fionate-principal-power-electronics-engineer"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fionate-principal-power-electronics-engineer"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fionate-principal-power-electronics-engineer"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/ionate-principal-power-electronics-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fionate-principal-power-electronics-engineer"}]}