Sr. Field Quality Inspector

The core values that ground our work, guide our decisions, and connect us together:
Pragmatic Optimism
Excellence without Ego
Proactive Collaboration

Job Overview
We are searching for highly motivated, detail-oriented individuals to join our growing Quality team. In this position, you will play a direct role in verifying that deployed generator units meet Mainspring's quality, reliability, and performance standards through hands-on field inspections and audits. You will work closely with Field Service, Engineering, and Manufacturing Quality teams to identify build and performance deviations, drive root-cause investigations, and ensure corrective actions are effectively implemented across our fleet. You will train at our headquarters in Menlo Park, CA, and be assigned to support a specific service region requiring travel. For those inclined, there are ample growth opportunities within Mainspring, and we offer full benefits, including vacation and sick time, 401K, and pre-IPO stock options.

Responsibilities
Conduct scheduled and ad hoc quality inspections and audits of deployed units in the field, verifying conformance to build specifications, quality standards, and customer requirements Perform detailed visual, mechanical, and dimensional inspections of components and assemblies, using precision measuring tools to identify defects, wear, or deviations from specification Document inspection and audit findings thoroughly and accurately, including photos, measurements, and observations, to support root-cause analysis and continuous improvement Partner with Field Service Technicians and Engineering to investigate quality escapes, non-conformances, and recurring issues identified in the field Track and verify closure of corrective and preventive actions (CAPAs) related to field-identified quality issues Support the development and refinement of field inspection checklists, audit criteria, and quality standard work Identify trends across the fleet and escalate systemic quality concerns to Engineering and Manufacturing Quality teams Maintain calibration and proper use of inspection and measurement equipment Be available to travel to customer sites within an assigned region, as needed, to support inspection and audit schedules

Qualifications
Minimum of 3 years of experience in quality inspection, quality assurance, or auditing, ideally within mechanical assembly, automotive, aviation, or heavy equipment industries Experience with precision measuring, down to .001”, using micrometers, bore gauges, gauge blocks, and other inspection tools Familiarity with quality methodologies (e.g., root cause analysis, 8D, CAPA) and documentation practices Candidates must be able to stand for long periods of time, lift up to 50 lbs., and wear required PPE Must have experience following written and verbal work instructions, checklists, and audit criteria while on-site Excellent written and verbal communication skills; software knowledge of Google Workspace is a plus Strong attention to detail with a proven ability to identify and clearly document discrepancies A proven track record of working well with others as part of a dynamic, cross-functional team Ability to learn quickly, is self-motivated, and safety oriented Valid Driver's License required; Class A Commercial Driver's License preferred Willingness to travel to field sites within an assigned region, potentially including overnight travel

This position is based at our Menlo Park HQ but will require up to 50% travel. 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 + bonus.

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.
In more traditional words, 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.
This compensation and benefits information is based on Mainspring Energy's estimate as of the date of publication and may be modified in the future. We generally do not negotiate on salary once we have made an offer. The level of pay within the range will depend on a variety of job-related factors that may include location, relevant prior experience and/or education, or particular skills and expertise. New hires joining the company tend to be paid within the starting base pay range noted above, with opportunities to increase pay over time based on development of additional skills, competencies, and company-specific knowledge.