{"id":1836372,"url":"https://alion.io/job/stored-energy-systems-mechanical-engineer-iv","title":"Mechanical 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":{"grade":"A","score":92,"open_postings":3,"ghost_share":0,"stale_share":0.333,"repost_share":0,"time_to_fill_p50_days":23,"computed_at":"2026-11-04T06:34:25Z"}},"role":"Industrial Engineering","role_family":"Industrial Engineering","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":116000,"max":164000,"currency":"USD","period":"year","gross":null,"usd_annual":164000},"salary_estimate":null,"experience_years_min":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"SolidWorks","optional":false}],"status":"live","first_seen_at":"2026-08-12T16:33:00Z","employer_posted_date":"2026-08-12","last_verified_at":"2026-11-05T04:12:29Z","board_verified":true,"closed_at":null,"days_open":84,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":84},"description":"Who 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\nSENS is looking for an experienced Mechanical Engineer with experience in cooling and packaging electronic components to join our engineering team and to build on our successful line of power products. This individual will help design and develop industrial battery chargers and inverters, engine starting systems, and DC back-up power systems across a wide power range (150W to 100kW). This person will be involved from concept investigation and design, through successful production launch and support of these products.\nResponsibilities\nDevelop innovative enclosures at both the PCB and system (cabinet) level, using sheet metal, plastic, and die-castings that meet challenging size, cost, and thermal/cooling requirements.\nWork with other engineers to define and model assemblies and associated components, including printed circuits boards, in SolidWorks to ensure fitment and proper cooling.\nComplete thermal modeling and designs in SolidWorks to maximize cooling and limit component temperatures for operation in industrial and outdoor environments.\nAnalyze and test designs to meet engine and seismic vibration requirements.\nSpecify wire assemblies, harnesses, and thermal components in electrical assemblies.\nSpecify materials, finishes, hardware, components, fixtures, labels, and graphics.\nParticipate in the validation, testing, and production release of mechanical components/assemblies.\nConduct peer to peer and cross-functional design reviews.\nCreate technical documentation throughout the development process including specifications, mechanical drawings, Bill of Materials, and assembly documents. \nProvide problem resolution support for production and field issues as needed.\nDesign improvements and updates to existing products.\nRequired Qualifications\nBachelor’s degree in Mechanical Engineering or related Engineering field. \n8+ years of relevant experience.\nAdvanced knowledge of 3D CAD modeling software (SolidWorks preferred) with experience in electronics assembly design and packaging of physical components.\nExperience with common manufacturing methods including: sheet metal, plastic, and die castings components and/or assemblies.\nExperience with SolidWorks Flow Simulation (or similar tool) for thermal modeling and design validation.\nAbility to independently design functional, manufacturable, aesthetic and cost-controlled components.\nBasic knowledge of electrical components including circuit breakers, wiring, and terminal blocks.\nExperience taking a design from concept into volume production.\nFlexible team player who actively establishes and maintains effective working relationships and who is willing to multi-task and help wherever needed.\nPreferred Qualifications\nKnowledge of forced air and passive cooling strategies for high power electronics.\nExperience with battery energy storage systems and power conversion equipment. \nFamiliarity with UL safety standards, NEMA/IP, seismic, and vibration testing.\nLocation: This position is located in Longmont, CO with flexibility to work a hybrid schedule once fully trained.\nBase Compensation: $116,000 - $164,000 is the projected annual base salary range for this role and will be determined 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 15th. 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. 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