Quality Engineer
Critical Loop
Quality Assurance
Long Beach, CA, USA
USD 115k-185k / year
Posted on Jan 30, 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 Quality Management System to deliver industry-leading reliability and regulatory compliance. We’re seeking a Quality Engineer to ensure our Battery Energy Systems are efficiently built to meet or exceed customer expectations of quality, address production issues, and carry out improvement and automation projects. This is a chance to help a growing company implement a new quality management system efficiently and leveraging the latest automation tools that can minimize time-to-market.
Responsibilities:
Compensation Range: $115K - $185K
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 Quality Management System to deliver industry-leading reliability and regulatory compliance. We’re seeking a Quality Engineer to ensure our Battery Energy Systems are efficiently built to meet or exceed customer expectations of quality, address production issues, and carry out improvement and automation projects. This is a chance to help a growing company implement a new quality management system efficiently and leveraging the latest automation tools that can minimize time-to-market.
Responsibilities:
- Participates in the development, certification, and maintenance of the Quality Management System
- Helps create new quality system documents and automate workflows, supporting ISO and UL audits
- Ensures that Battery Energy Systems and other products conform to quality standards.
- Resolve non-conforming material issues arising in production and keep the production line moving.
- Experience in manufacturing operations in an ISO-certified quality management system
- Strong skills in collaboration tools (Confluence, Jira) and developing automated workflows
- Good working knowledge of electrical and mechanical assembly and production methods for products involving industrial electronics and controls
- Exceptional attention to detail and documentation
- Experience with multiple ISO9001 audits, specifically in planning internal audits and participating in external audits.
- 3 years experience working in a manufacturing quality management system
- Knowledge of UL 9540, NFPA, NEC, and other Battery Energy Storage requirements
- Understanding of ISO, TUV, and UL certification and auditing practices
- BS in mechanical, electrical, manufacturing, or similar engineering
Compensation Range: $115K - $185K