Mechanical Engineer

The role

The Mechanical Engineer will own supplier-built power-distribution products and packaged power-conversion skids from design through production. You will work on-site alongside electrical engineers, field ops, and fabricators.

What you will do

• Own product design, manufacture, and daily technical work with suppliers.
• Design and release enclosures, skid structures, lifting features, equipment layouts, routing, sealing, grounding, and service access.
• Keep CAD, drawings, BOMs, work instructions, inspection, and as-built records aligned.
• Resolve supplier, fit-up, quality, and schedule issues.
• Build, inspect, and troubleshoot prototypes and production hardware.
• Turn R&D designs into repeatable production.

Required qualifications

• 4+ years and a mechanical engineering degree or equivalent technical training.
• Switchgear or similar electromechanical power-equipment experience.
• Experience taking a product from incomplete requirements to working hardware.
• Strong CAD, GD&T, drawing, BOM, and change-control skills.
• Supplier and production issue ownership.
• Hands-on measurement, assembly, inspection, and troubleshooting experience.
• Able to work on-site full-time in Long Beach.

Nice to have

• Switchboards, panelboards, transfer equipment, PCS skids, or packaged power systems.
• UL 891, UL 1558, NEMA 250, NFPA 70, UL 9540, or NFPA 855.
• Sheet metal, weldments, machining, sealing, lifting, or thermal design.
• SolidWorks or Onshape, hand calculations, and tolerance stacks.

Benefits

• Equity ownership through stock options
• Comprehensive health coverage (medical, dental, and vision) through an HRA with a generous allowance
• Retirement savings plan
• Unlimited paid time off

Before you apply

• Critical Loop does not provide visa sponsorship for this role.
• Please do not apply for this role if at any time (now or in the future) you will need immigration support (i.e H-1B, TN, STEM OPT training plans etc.).

About the company

Critical Loop is shaping the next generation of energy systems by building the integrated edge grid of the future. They specialize in advanced energy management and battery control systems.