{"id":1151463,"url":"https://alion.io/job/xcimer-energy-mechanical-engineer-pulsed-power","title":"Mechanical Engineer - Pulsed Power","company":{"id":685639,"name":"Xcimer Energy","domain":"xcimer.energy","url":"https://alion.io/company/xcimer","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Lever","truth_index":{"grade":"A","score":95,"open_postings":24,"ghost_share":0,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":144,"computed_at":"2026-09-26T05:45:00Z"}},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"middle","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Denver, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":106000,"max":182000,"currency":"USD","period":"year","gross":null,"usd_annual":182000},"salary_estimate":null,"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[],"status":"live","first_seen_at":"2026-09-23T16:38:36Z","employer_posted_date":"2026-09-23","last_verified_at":"2026-09-27T02:32:26Z","board_verified":true,"closed_at":null,"days_open":3,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":3},"description":"Xcimer Energy leverages decades of research on Inertial Fusion Energy (IFE) combined with groundbreaking new laser architecture. Our mission is to deploy fusion power plants to meet global decarbonization goals as fast as possible. Xcimer has assembled a team of leaders in tough tech, fusion science, and manufacturing with a track record of rapid execution. Supported by leading investors, Xcimer is uniquely positioned to deliver limitless, clean, fusion power to combat climate change. Join us in powering a better world with inertial fusion!\nThis is a full-time, onsite role based at our headquarters in Denver, CO.\nAs aMechanical Engineer - Pulsed Power, you will lead the design, integration, and operation of high voltage pulsed power systems for lasers used in IFE power generation. Your work will begin with prototype systems and continue through the design and demonstration of power-producing IFE reactors. You will ensure that pulsed power hardware meets performance requirements throughout the product development lifecycle in a dynamic R&D environment. We are looking for our engineers to apply their technical expertise, problem solving skills, and dedication to quality to positively impact the future of energy!\nOpen to level 2-4 depending on qualifications.\nResponsibilities\nDevelop and specify pulsed power generator components to meet pulsed power requirements.\nDesign equipment using NX CAD\nWork with vendors for custom and OTS devices and instruments\nEnsure functional integration of Marx and generator architecture and subsystems through analysis, documentation, and machine testing.\nMechanical design and documentation of generator parts, assemblies, lifting structures, oil plumbing and pumping, and structural supports using NX. \nAnalyzing designs with FEA to map external influences on components and assemblies. \nCreating and maintaining interface control documents.\nLead design efforts for prototype systems and subsystems, including Preliminary and Final Designs.\nTroubleshoot escalations and derive practical recommendations for improvements.\nCollaborate with mechanical, laser, controls, pulsed power, and optical engineering teams throughout the design and development process.\nSupport procurement of hardware for laser amplifiers and support equipment.\nOversee and assist with assembly, shakedown, testing, and failure analysis of pulsed powersystems, laser amplifiers, and ancillary equipment.\nProvide operational support for pulsed power systems and equipment.\nContribute to scaling designs for power-producing IFE reactors and participate in concept studies for IFE applications and beyond.\nQualifications\nEducation:B.S. in Mechanical, Nuclear, Aerospace Engineering, or related field.\n Experience:3+ years in mechanical engineering, with a focus on high voltage pulsed powerdesign for complex hardware (preferred industries include semiconductor, solar, nuclear, fusion energy, lasers, aerospace, or defense).\nProficiency with 3D CAD software (NX preferred).\nWorking knowledge of Finite Element Analysis (FEA).\nExperience designing simple PCBs or flex circuits.\nExperience with complex integrated system design (e.g., pulsed power, lasers, high voltagesystems, fusion energy, aerospace, or defense).\nStrong problem-solving skills and a hands-on approach to troubleshooting and testing.\nInterdisciplinary engineering experience is a plus.\nMust be a U.S. citizen or national, U.S. permanent resident (current Green Card holder), or lawfully admitted into the U.S. as a refugee of granted asylum \nDesired\nStart-up experience preferred \nElectro-Static FEA analysis","description_format":"text","description_chars":3599,"description_truncated":false,"requirements":{"experience_years_min":3,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Nuclear Energy","Lasers & Laser Systems","Air Defense"],"lifecycle":[{"event":"open","at":"2026-09-23T17:52:07Z"}],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":2,"expected_fill_days":144,"reasons":["conf:0","velocity","win:early"],"computed_at":"2026-09-26T05:45:00Z"},"pay":{"stated_usd_annual":182000,"is_top_pay":true},"html_url":"https://alion.io/job/xcimer-energy-mechanical-engineer-pulsed-power","json_url":"https://alion.io/job/xcimer-energy-mechanical-engineer-pulsed-power.json","meta":{"generated_at":"2026-09-27T02:40:02Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","usage":{"tier":"crawler","counted_by":"address","units_charged":1,"used_today":2414,"day_limit":5000,"remaining_today":2586,"minute_limit":60,"resets_at":"2026-09-28T00:00:00Z"}}}