Mechanical Engineer: Power Equipment, End-to-End (On-Site)

Critical Loop, Inc.; Long Beach (CA); On-site; USD 90,000 - 120,000; Full time

Benefits offered by this job

Equity ownership through stock options

Comprehensive health coverage: medical

Retirement savings plan

Unlimited paid time off

Job summary

Critical Loop, Inc. is seeking a Mechanical Engineer to own supplier-built power-distribution products and packaged power-conversion skids from design through production.

This on-site role requires close collaboration with electrical, field ops, and fabrication teams, maintaining control of CAD, drawings, and BOMs throughout the process. You will turn R&D concepts into repeatable production, troubleshoot hardware, and drive issues to resolution, ensuring timely delivery and quality.

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.

Responsibilities

• 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.

Skills

CAD

GD&T

Drawing

BOM

Change control

Supplier ownership

Troubleshooting

Education

Mechanical Engineering degree or equivalent

Tools

SolidWorks

Onshape

Job description

Critical Loop, Inc. is seeking a Mechanical Engineer to own supplier-built power-distribution products and packaged power-conversion skids from design through production.

This on-site role requires close collaboration with electrical, field ops, and fabrication teams, maintaining control of CAD, drawings, and BOMs throughout the process. You will turn R&D concepts into repeatable production, troubleshoot hardware, and drive issues to resolution, ensuring timely delivery and quality.