Machinist

Job Posting Start Date 05-08-2026 Job Posting End Date 07-24-2026 At JetCool, a Flex company, we're at the forefront of liquid cooling innovation, delivering advanced solutions that empower our partners in AI and high-performance computing. United by a shared purpose, our teams are pushing the limits of what's possible and tackling complex challenges. A career at JetCool offers the opportunity to make a real impact by helping build smarter, more sustainable data centers. Together, we're not just advancing technology — we're redefining cooling standards to create a more sustainable tomorrow. Job Summary To support our extraordinary teams who build great products and contribute to our growth, we're looking to add a Machinist located in Littleton, MA. Reporting to the Product Manager the Machinist performs a variety of complex, specialized tasks related to the construction, repair, maintenance, and calibration of machine shop tools, dies, jigs, fixtures, and instruments. What a typical day looks like: Operates various conventional machine shop equipment such as lathes, mills, grinders, vertical and horizontal saws to produce and detail a variety of small parts, ranging form simple to complex, which are within prescribed tolerances. Operates Computer Numerical Control (CNC) vertical mills, and lathe with Fanuc controller. Performs machine set-ups, adjusting speeds, feeds, and depth of cut, to machined parts to specifications set forth in blueprints, drawings, engineering orders, etc. Checks machined parts for conformance to prescribed tolerances. May be required to operate numerical control machines. Designs and constructs machine shop tools, dies, jigs, and fixtures. Interprets all types of tooling and fixture requests, converting them to sketches, and fabricating them using various machines, as required. Gives advice and assistance to tool designers in the formation of new tooling. The experience we're looking to add to our team: Typically requires 6-9 years of related experience. Ability to apply concepts such as fractions, algebraic, percentages, ratios, and proportions to practical situations. Demonstrates advanced technical skills, which may be used to conduct on-the-job training and/or lead/guide other employees. Demonstrates broad knowledge of functional techniques and has input to process improvement. Has awareness of and may apply new technologies. Must have an understanding of manufacturing functions and the ability to train others. Ability to read complicated drawings, mathematics, handbook formulas and a variety of measuring instruments. Able to read, comprehend and interpret complex instructions. Ability to define problems, collect data, establish facts, and draw valid conclusions. Ability to interpret an extensive variety of technical instructions in mathematical or diagram form and deal with several abstract and concrete variables. Assists in developing goals/targets of line or department. May direct other employees. May make decisions or recommendations for team. Decisions may affect department/ function. May edit work or advise other employees. Requires little to no instruction. Requires little to no supervision. BO18 What you'll receive for the great work you provide: Full range of medical, dental, and vision plans Life Insurance Short-term and Long-term Disability Matching 401(k) Contributions Vacation and Paid Sick Time Tuition Reimbursement Pay Range (Applicable to Massachusetts) $31.04 USD - $42.68 USD Hourly Job Category Operations Is Sponsorship Available? No JetCool is an Equal Opportunity Employer and employment selection decisions are based on merit, qualifications, and abilities. We do not discriminate based on: age, race, religion, color, sex, national origin, marital status, sexual orientation, gender identity, veteran status, disability, pregnancy status, or any other status protected by law. We're happy to provide reasonable accommodations to those with a disability for assistance in the application process. Please email accessibility@flex.com and we'll discuss your specific situation and next steps (

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this email does not accept or consider resumes or applications. This is only for disability assistance. To be considered for a position at JetCool, you must complete the application process first). Through the collective strength of 140,000 team members across 30 countries and responsible, sustainable operations, Flex is the diversified manufacturing partner of choice that helps market-leading brands design, build and deliver innovative products that improve the world. A career with Flex offers the opportunity to make a difference, invest in your growth, and build great products for our customers that improve people's lives. Together, let's create the extraordinary! Join our talent community to learn more about job opportunities, company news and events.