AEROSPACE CNC Programmers
Smiths Interconnect · Boston, Massachusetts · Posted Jul 2, 2026
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Ready to make your next move? A career at STS Aerospace allows you to take ownership of challenges, think creatively and be a part of our exciting growth journey.
STS Aerospace in Laconia, NH is searching for a CNC Operator - Mill Set-Up to join the team. This position is responsible for setting up, operating, and maintaining CNC milling machines to produce precision components that meet quality and production standards. This role requires strong technical understanding of milling processes, tooling, work holding, and program adjustments, along with the ability to independently execute set‑ups. Reasonable accommodation may be made to enable individuals with disabilities.
Essential Duties and Responsibilities
CNC Operator
Make offset adjustments to maintain dimensional accuracy
Inspect parts during production using precision measuring tools
Document inspection results and production data
Maintain required production rates and run times
Communicate issues clearly with team leaders, quality and engineering
Consistently, regularly and dependably at work and on time.
Other duties may be assigned as needed
CNC Mill Set-Up
Perform full machine set‑ups for new and repeat jobs
Review job traveler, blueprints, and tooling requirements
Set‑up and align work holding (vises, fixtures, soft jaws)
Indicate fixtures and ensure proper part alignment
Conduct dry runs and prove‑out processes
Run first piece and complete first piece article inspection
Consistently, regularly and dependably at work and on time.
Other duties may be assigned as needed
Education, Certifications, Licenses, & Registrations
High school diploma or equivalent
Experience
Prior experience with CNC milling machine set‑ups (3‑axis, 4‑axis preferred)
Experience working with tight tolerances and precision parts
Preferred Experience
Operating CNC Mills - 1-3 Yrs
Set‑Up CNC Mill - 3-5 Yrs
We believe that different perspectives and backgrounds are what make a company flourish. All qualified applicants will receive equal consideration for employment regardless of color, religion, sex, sexual orientation, gender identity, national origin, economic status, disability, age, or any other legally protected characteristics. We are proud to be an inclusive company with values grounded in equality and ethics, where we celebrate, support, and embrace diversity.
Avoid fraudulent requests by applying jobs directly through our career’s website (Careers - Smiths Group plc).
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