Description: Our team members are consummate professionals who are well respected by our Fortune 100 clients in the semiconductor/cleanroom, manufacturing, and mission-critical data center industries. Our mission is to do the very best for our clients and customers with integrity, professionalism, and altruism allowing them to BE the very best in their business globally.

Are you ready to be a part of a dynamic team that values excellence, integrity, and collaboration? Our dedicated team believes in honesty, integrity, performance, partnership, and trust, ensuring long-lasting customer and employee relationships built on solid principles. By upholding the highest standards of quality and performance, we aim to achieve total customer satisfaction in the various markets we serve.

Role Overview We are seeking an experienced Electrical Commissioning Engineer to join our commissioning team on a high-profile semiconductor facility project in Sunnyvale, CA. In this role, you will lead and support the commissioning of electrical systems from pre-functional testing through final acceptance, ensuring all systems meet design intent, performance requirements, and client quality standards.

This is an exciting opportunity to be embedded directly on a cutting-edge project, working closely with the owner, design team, contractors, and commissioning agents to deliver a technically complex facility in a fast-paced environment.

Key Responsibilities Develop and execute electrical commissioning plans, checklists, and test procedures for project systems. Oversee pre-functional and functional testing of electrical systems, verifying installation and performance per design and specifications. Coordinate with design, construction, and QA/QC teams to resolve issues identified during commissioning. Witness and document testing of electrical distribution equipment (switchgear, switchboards, MCCs, panelboards). Test and verify critical backup systems, including UPS systems, standby generators, ATS/STS, and power distribution units. Support commissioning of specialty semiconductor facility systems, such as process power, grounding, and cleanroom electrical infrastructure. Ensure integration of electrical systems with building automation and monitoring systems. Maintain accurate and complete commissioning documentation for client turnover. Participate in owner, contractor, and vendor meetings to track progress and coordinate activities. Identify deficiencies, log them in the commissioning database, and track them to closure.

Requirements: 5+ years of commissioning experience in electrical systems within mission-critical, semiconductor, or industrial environments. Strong knowledge of medium- and low-voltage power distribution, UPS systems, generators, ATS/STS, and grounding systems. Ability to read and interpret electrical drawings, specifications, and single-line diagrams. Proficiency with commissioning documentation tools (CxAlloy, Bluebeam, MS Office Suite). OSHA 30 certification (or ability to obtain prior to start). Preferred: Bachelor’s degree in Electrical Engineering, or equivalent technical background. Experience with commissioning in semiconductor fabrication facilities (fabs). Familiarity with NEC, IEEE, NFPA 70E, and applicable industry standards. Experience working as an Owner’s Representative in a client-facing role.

Why Join Us? Gain deep experience in the mission critical sector Join a collaborative and forward-thinking team Competitive compensation, benefits, and career development opportunities Notice to all Employment, Staffing & Recruiting Agencies and Recruiters: We please ask that you do not directly email, call or visit our hiring managers. OnQ does not accept unsolicited resumes and should any be received from a third party they will not be considered, unless a signed agreement is in place. If you would like to discuss becoming a preferred staffing vendor to OnQ please contact our talent acquisition team who will advise you on the process.