{"id":1836374,"url":"https://alion.io/job/stored-energy-systems-power-electronics-engineer-iv","title":"Power Electronics Engineer IV","company":{"id":2285000,"name":"Stored Energy Systems","domain":"sens-usa.com","url":"https://alion.io/company/sens-usa","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"ADP","truth_index":null},"role":"Hardware","role_family":"Hardware","seniority":"senior","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Longmont, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":170000,"max":200000,"currency":"USD","period":"year","gross":null,"usd_annual":200000},"salary_estimate":null,"experience_years_min":6,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"LTspice","optional":false},{"name":"C","optional":true},{"name":"C++","optional":true},{"name":"Embedded C","optional":true}],"status":"live","first_seen_at":"2026-07-31T15:10:00Z","employer_posted_date":"2026-07-31","last_verified_at":"2026-10-14T13:30:38Z","board_verified":true,"closed_at":null,"days_open":74,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":74},"description":"Relocation assistance is available for this position.\nWho We Are\nStored Energy Systems (SENS) is an award-winning manufacturer of premium quality power conversion products located in Longmont, CO. In business for over 50 years, SENS is the market leader with a proven track record of providing highly reliable battery chargers, DC power systems, and related products to industrial markets. For more information on our company please see our web site at www.sens-usa.com.\nView the SENS Product Catalog\nSummary\nWe are seeking a highly skilled Power Electronics Engineer IV to design and develop industrial battery chargers, inverters, and related accessories across a wide power range (150W to 100kW) for critical power applications. This role spans the full product lifecycle from concept development and design through production launch and ongoing support and requires deep technical expertise in power conversion and embedded control systems.\nResponsibilities\nDesign, analyze, simulate, prototype, and validate power conversion systems and topologies.\nDevelop and implement both analog and digital control loops.\nCreate and maintain technical documentation, including product specifications, schematics, and interface control documents.\nConduct design reviews and collaborate cross-functionally with Engineering, Manufacturing, and Quality teams.\nSupport product transition to manufacturing, including design for manufacturability and test readiness.\nTroubleshoot and resolve complex issues in production and field environments.\nMentor and support the development of team members, contributing to a culture of continuous improvement.\nRequired Qualifications\nBachelor’s degree in electrical engineering with 8+ years of power conversion experience OR a master’s degree with a focus in power electronics and 6+ years of power conversion experience.\nProven experience designing power conversion systems, including active front-end designs for single and three-phase AC inputs.\nStrong understanding of isolation requirements, including creepage and clearance standards (UL, IEC).\nExperience with EMI/EMC design, compliance, filtering, and troubleshooting.\nDeep knowledge of power semiconductor devices (MOSFETs, SiC, GaN), gate drivers, and protection circuits.\nProficiency in analog and power circuit simulation tools (e.g. LTspice).\nStrong foundation in control theory, including design, modeling, and stability analysis of control loops.\nExperience with thermal design and analysis (heatsinking, airflow, and loss modeling).\nKnowledge of magnetics design, including transformers and inductors (core selection, winding techniques).\nExperience with isolated and non-isolated bidirectional topologies (DAB experience strongly preferred).\nHands-on experience with lab instrumentation (oscilloscopes, power supplies, electronic loads, network analyzers).\nDemonstrated success bringing products from concept through volume production.\nStrong collaboration and communication skills with the ability to work effectively across teams.\nPreferred Qualifications\nExperience designing and certifying grid-tied systems to UL 1741.\nKnowledge of phase-locked loops (PLL) for grid synchronization.\nExperience with large-scale battery energy storage systems (BESS), UPS systems, and battery charging applications.\nAdvanced programming skills in embedded C/C++.\nLocation: This position is located in Longmont, CO with flexibility to work a hybrid schedule once fully trained.\nBase Compensation: $170,000 - $200,000 is the projected range of annual base salary for this role depending on the candidate’s overall qualifications and experience.\nBonus: This position is eligible for an annual bonus based on individual and company performance.\nClosing Date: October 17th. While we expect to keep the position open through this date, the posting may be extended or closed early based on applicant volume and hiring needs.\nOnsite Perks\nFree gym with 24/7 access\nFree Electric Vehicle charging\nBreakfast and Lunch Café\nAfter hours Grab & Go snacks\nBasketball court\nWalking paths\nBenefits\nPaid Time Off\nPaid holidays\nMedical insurance\nDental insurance\nVision insurance\nShort-term and long-term disability\nLife insurance\n401(k) plan with immediate vesting\nEmployee referral program\nTuition reimbursement\nProfessional development \nAt SENS, our culture is rooted in a set of core values that reflect who we are and how we work. In a recent 2025 poll, our employees identified the values that best define us: “Innovative”, “Respectful”, “Inviting”, “Flexible”, “Collaborative”, and “Growth Driven”. Our team describes us as a dynamic, forward-thinking company where everyone has the opportunity to thrive.\nWe pride ourselves on being an equal opportunity employer, fully dedicated to fostering inclusion and diversity. We welcome all applicants, regardless of race, color, religion, sex, sexual orientation, gender identity, genetic information, national origin, age, disability, veteran status, or any other legally protected characteristic.\nWe hope you're interested in making a difference with us. Even if you don't feel that you meet every qualification listed in this job description, we still encourage you to apply.","description_format":"text","description_chars":5192,"description_truncated":false,"requirements":{"experience_years_min":6,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":["Dental insurance","Health insurance","Life insurance","Professional development","Relocation assistance","Vision insurance"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":true,"industries":["Electrical & Electronic Engineering","Energy & Utilities","Science & Engineering","Power Supplies & Power Electronics"],"lifecycle":[{"event":"open","at":"2026-10-04T14:38:45Z"}],"visa":[],"liveness":{"score":12,"band":"cold","label":"Long shot","p_open":1,"p_active":0.331,"p_room":0.35,"age_days":74,"expected_fill_days":21,"reasons":["conf:5","win:tail"],"computed_at":"2026-10-14T06:34:16Z"},"pay":{"stated_usd_annual":200000,"is_top_pay":true},"html_url":"https://alion.io/job/stored-energy-systems-power-electronics-engineer-iv","json_url":"https://alion.io/job/stored-energy-systems-power-electronics-engineer-iv.json","meta":{"generated_at":"2026-10-14T13:40:13Z","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":16867,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-15T00:00:00Z"}},"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":2285000},"rest":"https://alion.io/mcp/rest/get_company?id=2285000"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fstored-energy-systems-power-electronics-engineer-iv"},{"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%2Fstored-energy-systems-power-electronics-engineer-iv"},{"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%2Fstored-energy-systems-power-electronics-engineer-iv"},{"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/stored-energy-systems-power-electronics-engineer-iv\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fstored-energy-systems-power-electronics-engineer-iv"}]}