Prototype Machinist

100Hires, Inc.; North Billerica (MA); On-site; USD 65,000 - 90,000; Full time

Benefits offered by this job

Health insurance

Overtime opportunities

Paid time off and holidays

Advancement opportunities

Clean, modern precision manufacturing

Challenging prototype projects

Supportive team focused on quality

Job summary

100Hires, Inc. is seeking an experienced Prototype Machinist to join our growing precision manufacturing team.

The ideal candidate will take a part from engineering drawing through completed component, planning the machining process, selecting tooling and workholding, programming equipment, setting up machines and inspecting finished parts. This role focuses on prototype, development, and short-run machining for aerospace, defense, and commercial customers, requiring collaboration with

Qualifications

• 5+ years of precision machining experience, including prototype or low-volume work.
• Strong CNC setup and programming skills in a fast-paced environment.
• Ability to read engineering drawings, blueprints, and GD&T.
• Proficient with precision measuring tools and inspection techniques.
• Problem solving and independent decision making with limited supervision.

Responsibilities

• Set up and operate CNC and manual equipment for prototype and short-run parts.
• Review drawings and specs to determine machining requirements.
• Develop machining strategies and tool selection.
• Program, edit, and troubleshoot CNC programs as needed.
• Design workholding and fixturing for unique parts; manage first article inspection.
• Document processes and maintain a safe, organized workspace.
• Collaborate with engineering and quality teams to improve processes.

Skills

Precision machining

CNC programming

GD&T reading

Inspection tooling

Problem-solving

Attention to detail

Independent work

Cross-team communication

Tools

ProtoTRAK

CAD/CAM software

CNC machines

Job description

Job Summary:We are seeking an experienced Prototype Machinist to join our growing precision manufacturing team. The ideal candidate is a highly skilled machinist who can take a part from engineering drawing through completed component, including planning the machining process, selecting tooling and workholding, programming equipment, setting up machines, and inspecting finished parts.This role is well suited for someone who enjoys prototype, development, and short-run machining where each job may require a different approach. The Prototype Machinist will work closely with engineering, quality, and manufacturing personnel to produce high-quality precision components for aerospace, defense, and commercial customers.Key Responsibilities:Set up and operate CNC and manual machining equipment to manufacture prototype and short-run components.Review engineering drawings, models, specifications, and work instructions to determine machining requirements.Develop machining strategies and determine the appropriate sequence of operations for new and prototype parts.Program, edit, and troubleshoot CNC programs as needed.Select appropriate tooling, fixtures, workholding, feeds, speeds, and machining parameters.Design or develop creative workholding and fixturing solutions for unique or low-volume components.Produce precision machined parts while maintaining tight tolerances and high quality standards.Perform first-piece and in-process inspection using precision measuring equipment, including micrometers, calipers, height gauges, bore gauges, indicators, and other inspection tools.Make machine offsets, program edits, tooling changes, and process adjustments to maintain dimensional accuracy.Identify and troubleshoot machining, tooling, programming, and quality issues.Work closely with engineering and quality personnel to support prototype development, first article production, and process improvements.Provide feedback regarding manufacturability and recommend improvements to machining methods when appropriate.Accurately document machining processes, tooling, setups, and other information needed to transition prototype work into repeat production.Maintain equipment, tooling, and work areas in a clean, organized, and safe condition.Follow company safety procedures and applicable quality management requirements.Qualifications:5+ years of precision machining experience preferred, with significant experience in prototype, development, or low-volume machining.Strong CNC setup and programming experience.Ability to independently take a new part from print through completed component.Strong ability to read and interpret engineering drawings, blueprints, specifications, and GD&T.Thorough understanding of machining practices, cutting tools, materials, feeds, speeds, workholding, and fixturing.Proficiency with precision measuring and inspection equipment.Demonstrated ability to maintain tight tolerances and consistently produce high-quality components.Strong troubleshooting and problem-solving skills.Ability to work with limited supervision and make sound machining decisions independently.Strong attention to detail and commitment to craftsmanship and quality.Ability to communicate effectively with engineering, quality, management, and other machinists.Preferred Qualifications:Experience machining complex aerospace or defense components.Experience with multi-axis CNC milling and/or turning equipment.Experience with ProtoTRAK equipment is a plus.Experience with CAD/CAM programming software.Experience developing prototype parts, fixtures, and manufacturing processes.**Wha We Offer **- Competitive pay based on experience100% employer-paid health insuranceOvertime opportunitiesPaid time off and holidaysStable, growing company with opportunities for advancementClean, modern precision manufacturing environmentOpportunity to work on challenging prototype and high-precision projectsSupportive team focused on quality, innovation, and continuous improvement