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Senior Commissioning Technician
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Posted on: Nov 11, 2026
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Phoenix, Arizona
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Onsite
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Full-time
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Job Title :
Senior Commissioning Technician
Job Type :
Full-Time
Job Location :
Phoenix Arizona United States
Remote :
No
Job Description :
Senior Commissioning Operations TechnicianMainspring Energy is seeking a highly motivated, mechanically inclined Senior Commissioning Operations Technician to join our growing Commissioning team. In this role, you will play a direct lead in completing planned and reactive service operations while transitioning into the technical operation of our systems. You will be responsible for the mechanical integrity of our units while increasingly taking on the configuration and startup of custom systems based on Mainspring's linear generators.ResponsibilitiesMechanically repair and/or perform maintenance on components and assemblies that make up our generators in accordance with procedures and build checklists in order to meet customer requirementsCollaborate with engineers to fix, repair, and redesign components and assembliesConduct mechanical inspections of recently installed units, documenting condition information for use by our team for debugging or troubleshootingExecute technical tasks and site operations with minimal supervision in variable environmental conditions, demonstrating self-motivation and a strong commitment to safetyPerform initial configuration and startup of custom linear generator systems based on established engineering parametersUtilize and provide feedback on automation scripts and commissioning toolkits to streamline unit onboarding and testingRequired QualificationsMinimum of 5 years of experience with mechanical assembly and/or repair. Experience with automotive, aviation, and/or heavy equipment (i.e. HVAC, elevators/lifts, or industrial equipment) assembly a plusExperience with precision measuring, down to.001", using micrometers, bore gauges, gauge blocks, etc. Also, familiarity with torque wrenches and documentation of repairs performedCandidates must be able to stand for long periods of time, lift to 50 lbs., and wear required PPEMust have knowledge of how to use and maintain basic tools, such as torque wrenches and torque specificationsMust have experience with following written and verbal work instructions while on-siteExcellent communication skills, software knowledge of Google Workspace is a plusA proven track record for the ability to work well with others as part of a dynamic teamAbility to learn quickly, operate with minimal supervision, demonstrating self-motivation and a strong commitment to safetyValid Driver's license required; Class C Commercial Driver's License preferredWillingness and ability to travel nationwide up to 50% of the timeBonus QualificationsAbility to troubleshoot complex technical issues using a combination of mechanical skill and system-level dataKnowledge of electrical power distribution and industrial control systems to better assist with system-level testingExperience interacting directly with customers in a technical capacity$39 - $46 an hour This position is onsite at our Menlo Park HQ. The salary will be adjusted to reflect local market conditions based on employee location as well as the experience of the employee. Along with base salary, Mainspring offers pre-IPO company equity through Restricted Stock Units (RSUs) + benefits.Does your experience not meet all of our posted requirements? Studies have shown that some people are less likely to apply to positions unless they meet every listed requirement. At Mainspring, we are committed to building a diverse, inclusive, flexible, and collaborative environment, so if you want to help us transition the world to clean and affordable electricity, and don't meet all posted requirements for a particular role, we'd still love to hear from you. Mainspring can sometimes be flexible enough to shift responsibilities for the right person, or otherwise identify open or upcoming roles that may better fit your professional background.Mainspring Energy, Inc is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability.
Position Details
Posted:
Nov 11, 2026
Reference Number:
19792_U-131217382919
Employment:
Full-time
City:
Phoenix
Job Origin:
APPCAST_CPC
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