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Lead Manufacturing Engineer

Critical Loop

Critical Loop

Software Engineering
Long Beach, CA, USA
USD 150k-200k / year
Posted on Jan 27, 2026
About Critical Loop

Critical Loop is shaping the next generation of energy systems by building the integrated edge grid of the future. Specializing in advanced energy management and battery control systems, Critical Loop empowers businesses and communities to seamlessly unite distributed energy resources for faster, more reliable, and affordable grid access. With deep expertise in grid modernization and a passion for creating resilient, responsive energy solutions, Critical Loop drives innovation at the intersection of technology and energy.

About the Role:

At Critical Loop, we’re on a mission to make power more accessible and efficient. We’re expanding our production operations to increase capacity while still meeting regulatory compliance. We’re recruiting a Manufacturing Engineer to lead the organization of the production line and development of the production quality management system. This is a chance to help a growing company create the future of grid-scale battery storage while leveraging the latest automation tools that can minimize time-to-market.

Responsibilities:

  • Develops manufacturing processes for new product introduction
  • Works hands-on on the factory floor, to implement processes and resolve production issues
  • Leads the optimization of manufacturing processes to keep overhead low and reduce production timelines
  • Owns the development, certification, and maintenance of the Quality Management System, lead author for new quality system documentation
  • Plans and coordinates audits for ISO9001 and UL factory certification
  • Contributes to new product development by providing certification and compliance methods

Requirements

  • Minimum 5 years with manufacturing operations in an ISO-certified quality management system
  • Experience with multiple ISO9001 audits, specifically in planning internal audits and participating in external audits
  • Strong skills in collaboration tools (Confluence, Jira) and developing automated workflows
  • Manufacturing experience with high-power electrical components and machinery, such as power electronics, battery systems, industrial equipment, automated controls
  • BS in mechanical, electrical, manufacturing, or similar engineering

Preferred Requirements

  • Experience in a management or leadership role, making hiring and staffing decisions
  • Knowledge of UL 9540, NFPA, NEC, and other Battery Energy Storage requirements
  • Strong understanding of ISO, TUV, and UL certification and auditing practices

Critical Loop is an equal opportunity employer. We're committed to building a diverse team and creating an inclusive workplace where everyone can thrive. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, or any other protected characteristic under applicable law.

Compensation Range: $150K - $200K