Mechanical Engineering Jobs

Mechanical EngineerStored 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.SENS 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). ResponsibilitiesDevelop 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.Work with other engineers to define and model assemblies and associated components, including printed circuits boards, in SolidWorks to ensure fitment and proper cooling.Complete thermal modeling and designs in SolidWorks to maximize cooling and limit component temperatures for operation in industrial and outdoor environments.Specify wire assemblies, harnesses, and thermal components in electrical assemblies.Specify materials, finishes, hardware, components, fixtures, labels, and graphics.Participate in the validation, testing, and production release of mechanical components/assemblies.Create technical documentation throughout the development process including specifications, mechanical drawings, Bill of Materials, and assembly documents.Provide problem resolution support for production and field issues as needed.Required QualificationsBachelor's degree in Mechanical Engineering or related Engineering field.Advanced knowledge of 3D CAD modeling software (SolidWorks preferred) with experience in electronics assembly design and packaging of physical components.Experience with common manufacturing methods including: sheet metal, plastic, and die castings components and/or assemblies.Ability to independently design functional, manufacturable, aesthetic and cost-controlled components.Basic knowledge of electrical components including circuit breakers, wiring, and terminal blocks.Flexible team player who actively establishes and maintains effective working relationships and who is willing to multi-task and help wherever needed.Preferred QualificationsKnowledge of forced air and passive cooling strategies for high power electronics.Experience with SolidWorks Flow Simulation for thermal modeling and design validation.Experience with battery energy storage systems and power conversion equipment.Familiarity with UL safety standards, NEMA/IP, seismic, and vibration testing.Base Compensation: $130,000 - $140,000 is the projected annual base salary range for this role and will be determined on the candidate's overall qualifications and experience.Bonus: This position is eligible for an annual bonus based on individual and company performance.Onsite PerksFree gym with 24/7 accessFree Electric Vehicle chargingBreakfast and Lunch CaféAfter hours Grab & Go snacksBasketball courtWalking pathsBenefitsPaid Time OffPaid holidaysMedical insuranceDental insuranceVision insuranceShort-term and long-term disabilityLife insurance401(k) plan with immediate vestingEmployee referral programAt 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". We 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.