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Software Engineer
Mountain America Credit Union
Sandy, UT
Develops and maintains software applications and services for internal and external credit union use, having an emphasis on building quality systems with security and performance in mind.
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Diagnostics Mechanical Engineer
Commonwealth Fusion Systems
Devens, MA
- $107,000 to $160,000 USD / year
CFS is looking to grow the SPARC team in order to complete the mechanical design and integration of these diagnostic systems as they move through design closeout, analysis, procurement,…
Added 1 min ago
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Senior Applications Engineer
Elevate Semiconductor
San Diego, CA
- $110,000 to $130,000 USD / year
Applications Engineering is a role that sits between those customers and our Design, Product and Quality engineers. We write the guides customers rely on, build the EVMs and software they…
Added 1 min ago
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Applications Engineer
Elevate Semiconductor
San Diego, CA
- $85,000 to $100,000 USD / year
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Added 1 min ago
Mechanical Engineer I
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Senior Data Engineer
Cricut
South Jordan, UT
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Added 2 mins ago
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Overnight Maintenance Engineer | Buffalo Marriott LECOM HARBORCENTER
SHANER
Buffalo, NY
- $25 USD / hour
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Seibi Technician - Production Engineering
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Senior Developer – MuleSoft Data Integrations
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Senior Software Engineer
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- $135,000 to $165,000 USD / year
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Senior Python Backend Software Engineer III
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Site Reliability Engineer II
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CA or San Francisco, CA · Palo Alto, CA
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Electrical Test Engineer
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- $45 to $65 USD / hour
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Software Test Engineer
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- $55 to $68 USD / hour
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Mechanical Engineer
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Design mechanical components and assemblies for electric propulsion systems
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Senior Mechanical Engineer
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Remote PCB Layout Engineer (Cadence Needed)
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Added 6 mins ago
Engineer Sr Lead, Artificial Intelligence / Machine Learning
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Manufacturing Engineer II
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Experienced Controls Engineer
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Supervisor, Distribution Services
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…lowest in the nation. Ameren Missouri's mission is to power the quality of life for our 1.2 million electric and 132,000 natural gas customers in central and eastern Missouri. Our service…
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Quality Engineer (Entry-level or Associate) - F-15
The Boeing Company
Berkeley, MO
Boeing Defense, Space & Security (BDS) has an exciting opportunity for a Quality Engineer to join our F-15 Quality team located in Berkeley, MO!
Added 7 mins ago
Lead Guidance Navigation & Control Engineer
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FST Technical Services

Lead Commissioning Engineer – Semiconductor Facilities

Santa Clara, CA, United States

Salary range: $130,000 to $180,000

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Job details

Pay: Salary range: $130,000 to $180,000
Experience: 5+ years of commissioning/startup experience in semiconductor, data center, pharmaceutical, or similarly complex industrial facilities; demonstrated lead experience required.
Posting language: English
Posted: Oct 17, 2026

Original job description

FST TECHNICAL SERVICES

Lead Commissioning Engineer – Semiconductor Facilities

Location Santa Clara, California | On-site

Discipline Mechanical & Electrical Commissioning

Travel Support Full per diem and mobilization assistance available for qualified travelers

Employment Full-time | Competitive compensation

Position Overview FST Technical Services is seeking an experienced Lead Commissioning Engineer to direct both mechanical and electrical commissioning activities on a major semiconductor facility project in Santa Clara, CA. This on-site leader will coordinate field execution, system readiness, testing, issue resolution, documentation, and turnover across multiple disciplines. The ideal candidate has hands-on commissioning expertise and the ability to lead engineers, technicians, contractors, and vendors in a high-tech construction environment. Key Responsibilities

Lead multidisciplinary commissioning for mechanical, electrical, controls, and supporting facility systems from construction verification through startup, functional testing, integrated testing, and turnover.
Develop and execute commissioning plans, test procedures, pre-functional checklists, functional performance tests, and system acceptance documentation.
Coordinate daily priorities and testing windows with the owner, general contractor, trade partners, design engineers, equipment vendors, and operations teams.
Oversee mechanical systems including HVAC, cleanroom air handling, chilled/process cooling water, exhaust, pumps, and associated controls.
Oversee electrical systems including medium-/low-voltage distribution, switchgear, transformers, UPS, generators, emergency power, and related controls as applicable to project scope.
Validate interfaces between mechanical, electrical, BAS/BMS, and facility monitoring systems; support integrated systems testing.
Lead field commissioning personnel, assign tasks, review deliverables, and provide technical troubleshooting and mentorship.
Identify, log, prioritize, and drive closure of deficiencies, punch items, and commissioning-related issues.
Confirm testing is performed safely, with appropriate permits, isolation/LOTO procedures, and approved methods.
Report commissioning progress, risks, schedule impacts, and system readiness to project leadership and client stakeholders.

Required Qualifications

5+ years of commissioning/startup experience in semiconductor, data center, pharmaceutical, or similarly complex industrial facilities; demonstrated lead experience required.
Working knowledge of BOTH mechanical and electrical building/facility systems, including cross-discipline integration and functional testing.
Ability to read and interpret P&IDs, mechanical drawings, electrical single-line diagrams, controls sequences, and equipment specifications.
Experience planning field tests, directing contractors and vendors, managing deficiencies, and preparing commissioning records.
Strong communication, leadership, safety awareness, scheduling, and technical problem-solving skills.
Ability to work on-site in Santa Clara and meet project-specific site access and safety requirements.
Engineering degree or equivalent relevant technical experience.

Preferred Qualifications

Semiconductor fabrication plant (FAB), cleanroom, or high-tech manufacturing project experience.
Experience with L1–L5 commissioning processes or equivalent phased commissioning methodology.
Experience with BAS/BMS, electrical protection and controls, process utilities, and integrated systems testing.
Professional Engineer (PE), commissioning certification, or relevant trade/technical credentials.

Physical Requirements Ability to navigate active construction areas, stand and walk for extended periods, use stairs and ladders as required, and occasionally lift up to 25 pounds. Must be able to wear site-required PPE and perform essential functions with or without reasonable accommodation. Compensation & Benefits

Competitive pay commensurate with experience.
Full per diem and mobilization assistance for qualified traveling resources.
Medical, dental, and vision benefits; 401(k); paid time off and holidays, subject to plan and eligibility terms.
Opportunity to contribute to a major semiconductor construction project.

About FST Technical Services FST Technical Services delivers quality assurance, quality control, commissioning, and technical services to semiconductor, life sciences, data center, and other advanced manufacturing projects. FST is an equal opportunity employer and considers qualified applicants in accordance with applicable law.

Salary range: $130,000 to $180,000

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