ProtoTRAK CNC Milling Specialist (Aerospace Precision)

Louis C. Morin Machining; North Billerica (MA); On-site; USD 52,000 - 78,000; Full time

Benefits offered by this job

Competitive pay

Employer-paid health insurance

Overtime opportunities

Paid time off

Advancement opportunities

Clean, modern shop

Supportive team focused on quality

Job summary

Louis C. Morin Machining is seeking an experienced CNC machinist to set up and operate ProtoTRAK milling machines for prototype and short-run work. You will program, edit and troubleshoot ProtoTRAK controls to optimize cycle times and surface finish, while interpreting engineering drawings and GD&T callouts.

Join a team that values craftsmanship, attention to detail, and strong quality standards, with opportunities for growth in a clean, modern machining environment.

Qualifications

• 3+ years of experience on ProtoTRAK CNC milling machines.
• Able to read blueprints and GD&T accurately.
• Solid knowledge of tooling selection, feeds and speeds.

Responsibilities

• Set up and operate ProtoTRAK CNC milling machines for prototype and short-run work.
• Program, edit, and troubleshoot ProtoTRAK controls for optimal cycle times and surface finish.
• Interpret drawings, blueprints, and GD&T callouts.
• Select tooling, fixtures, and workholding for operations.
• Perform first-article, in-process, and final inspections with precision instruments.
• Apply offsets to ensure dimensional accuracy and repeatability.
• Collaborate with engineering, supervisors, and quality to resolve issues.
• Maintain clean, safe work area and follow safety and quality requirements.

Skills

ProtoTRAK CNC Milling

Programming ProtoTRAK

GD&T interpretation

Machining fundamentals

Precision inspection tools

Tools

ProtoTRAK controls

Micrometers

Calipers

Height gauges

Bore gauges

Job description

Step Into a Day on Our Precision FloorWhen you start your shift, the hum of ProtoTRAK mills is the soundtrack. You review the job traveler, pull the blueprint, and map out your setup. Tooling and fixtures are selected with purpose. You program and fine-tune ProtoTRAK controls, run the first piece, and measure with micrometers, calipers, height and bore gauges to lock in tight tolerances. Throughout the day, you collaborate with engineering and quality, make smart offsets, and keep your station clean, organized, and safe. By day’s end, aerospace, defense, and commercial customers are one step closer to mission success—because of the parts you built.What You’ll DoSet up and operate ProtoTRAK CNC milling machines for prototype and short-run work.Program, edit, and troubleshoot ProtoTRAK controls to achieve optimal cycle times and surface finish.Interpret engineering drawings, blueprints, work instructions, specifications, and GD&T callouts.Select and stage appropriate tooling, fixtures, and workholding for each operation.Produce precision components to tight tolerances while meeting strict quality standards.Perform first-article, in-process, and final inspections with precision measuring instruments.Apply offsets and adjustments to ensure dimensional accuracy and repeatability.Partner with engineering, supervisors, operators, and quality to resolve machining or quality issues and improve efficiency.Follow all safety procedures and quality management requirements; maintain a clean, orderly, and safe work area.What You’ll Bring3+ years operating ProtoTRAK CNC milling machines (preferred).Hands-on experience programming and editing ProtoTRAK controls.Fluency reading and interpreting blueprints and GD&T.Solid knowledge of machining fundamentals, tooling selection, feeds, and speeds.Proficiency with micrometers, calipers, height gauges, bore gauges, and related inspection tools.Proven ability to hold tight tolerances and deliver consistent quality.Excellent attention to detail, craftsmanship, and pride in workmanship.Ability to work independently as well as in a team environment.PreferredExperience machining aerospace or defense components.Familiarity with ISO 9001 quality systems.Background with prototypes and short-run production.Why You’ll Like Working HereCompetitive pay based on experience.100% employer-paid health insurance.Overtime opportunities.Paid time off and holidays.Growth in a stable, expanding company with clear advancement paths.Clean, modern machining environment.A supportive team focused on quality and continuous improvement.