Senior Mechanical Engineer – Thermal & Enclosure Design

Stored Energy Systems; Longmont (CO); Hybrid; USD 130,000 - 140,000; Full time

Benefits offered by this job

Free gym with 24/7 access

Free Electric Vehicle charging

Breakfast and Lunch Café

After hours Grab & Go snacks

Basketball court

Walking paths

Paid Time Off

Paid holidays

Medical insurance

Vision insurance

Short-term and long-term disability

Life insurance

401(k) plan with immediate vesting

Employee referral program

Job summary

Stored Energy Systems (SENS) in Longmont, CO is seeking an experienced Mechanical Engineer IV to design and develop industrial battery chargers and DC power systems. You will lead enclosure design, perform thermal modeling, and drive production releases for 150W to 100kW products.

Hybrid work available after training, with a base salary of $130,000–$140,000 and an annual bonus opportunity. The role requires 8+ years of mechanical engineering experience, SolidWorks expertise, and strong knowledge

Qualifications

• 8+ years of relevant mechanical engineering experience with focus on cooling and packaging electronics.
• Advanced knowledge of 3D CAD modeling software (SolidWorks preferred) and electronics packaging.
• Experience with sheet metal, plastic, and die-casting components/assemblies.
• Ability to independently design manufacturable, cost-controlled components.
• Experience taking a design from concept to volume production.

Responsibilities

• Develop enclosures at PCB and system levels using sheet metal, plastic, and die-castings.
• Model assemblies and components in SolidWorks to ensure fit and cooling.
• Perform thermal modeling to maximize cooling and limit temperatures in harsh environments.
• Analyze and test designs to meet vibration and seismic requirements.
• Specify wires, harnesses, and thermal components in electrical assemblies.
• Create and maintain BOMs, drawings, and assembly docs through development.
• Participate in design reviews and production release activities.
• Provide problem resolution support for production and field issues.

Skills

3D CAD modeling

Thermal design

Team collaboration

Multi-tasking

Education

Bachelor’s degree in Mechanical Engineering

Tools

SolidWorks

SolidWorks Flow Simulation

Job description

Stored Energy Systems (SENS) in Longmont, CO is seeking an experienced Mechanical Engineer IV to design and develop industrial battery chargers and DC power systems. You will lead enclosure design, perform thermal modeling, and drive production releases for 150W to 100kW products.

Hybrid work available after training, with a base salary of $130,000–$140,000 and an annual bonus opportunity. The role requires 8+ years of mechanical engineering experience, SolidWorks expertise, and strong knowledge