Senior Manufacturing Engineer, Prototype Machining

Xometry
vision insurance, paid time off, sick time, 401(k)
United States, Maryland, Gaithersburg
Dec 14, 2025
Xometry (NASDAQ: XMTR) powers the industries of today and tomorrow by connecting the people with big ideas to the manufacturers who can bring them to life. Xometry's digital marketplace gives manufacturers the critical resources they need to grow their business while also making it easy for buyers at Fortune 1000 companies to tap into global manufacturing capacity. Xometry is seeking a Senior Manufacturing Engineer, Prototype Machining, with a strong eye for detail and mechanical aptitude, who will operate and program CNC machinery to accurately and efficiently manufacture high-quality parts. Duties and responsibilitieswill include but are not limited to: Reading specifications on blueprints and mechanical drawings and ensuring they are met. Setup, program, and operate CNC Mill and Lathe for prototype/production part runs Be able to run tests on machines to check machine outputs according to specifications, and adjust as necessary. Design fixtures and manufacture them as needed Examine and maintain machinery regularly to ensure functionality. Supervise machines during execution and make any necessary adjustments to manufacture a better result. Inspect completed parts and compare them to the specifications and requirements of the blueprint, to determine if the process was properly completed. Performs all work in compliance with Xometry's quality and safety systems, policies and procedures. Maintain cleanliness of the work area. Required Qualifications: Demonstrated experience as CNC machinist with at least 10 years of experience. Skill in operating and programming CNC machinery and tooling as well as precision measurement tools. Ability to read and interpret mechanical documents and drawings. Computer savvy with expert understanding of CNC programming and CAD/CAM. Mechanical aptitude and proficient math skills Minimum 4 years programming experience Knowledge of GD&T Haas Mill and Lathe experience is a plus Solidworks experience is a plus MasterCam or NX experience required US citizen or Green Card holder The estimated base salary range for new hires into this role is $83,000 - $108,000 annually depending on factors such as job-related skills, relevant experience, and location. We also offer a competitive benefits package, including 401(k) match, medical, dental and vision insurance; life and disability insurance; generous paid time off including vacation, sick leave, floating and fixed holidays, maternity and bonding leave; EAP, other wellbeing resources; and much more. Xometry is an equal opportunity employer. All applicants will be considered for employment without attention to race, color, religion, sex, sexual orientation, gender identity, national origin, veteran, or disability status. For US based roles: Xometry participates in E-Verify and after a job offer is accepted, will provide the federal government with your Form I-9 information to confirm that you are authorized to work in the U.S.