CNC Machinist 4-Axis Haas Mill (Mastercam)

Millennium Power Services

Westfield (MA)

On-site

USD 44,083 - 55,104

Full time

14 days+

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Benefits offered by this job

Medical coverage

Dental and vision insurance

401(k)

Paid holidays

Paid time off

Job summary

Millennium Power Services in Westfield, Massachusetts, is looking for a skilled machinist specializing in 4-axis CNC milling. This full-time role involves programming and operating Haas CNC machines, precision manufacturing, and troubleshooting machining processes.

Applicants should have over 5 years of CNC experience, expertise in Mastercam, and a strong ability to work with tight tolerances. Competitive pay range is between $32 – $40 per hour based on experience, with overtime opportunities available.

Qualifications

5+ years of CNC machining experience.
Strong understanding of feeds, speeds, tooling, and machining strategy.
Ability to independently complete setups and prove-outs.

Responsibilities

Program, set up, and operate 4-axis Haas CNC milling machines.
Build and modify CNC programs using Mastercam.
Perform complete machine setups including tooling, fixturing, offsets, and prove-outs.

Skills

4-axis CNC milling experience

Mastercam programming

Precision measuring equipment experience

Blueprint reading

Problem-solving skills

Education

Trade school or machining certification

Tools

Haas CNC mills

Micrometers

Calipers

Job description

At a Glance

Company: Millennium Power Services (an Ovation Holdings company)
Location: Westfield, Massachusetts (on-site)
Job Type: Full-Time
Pay Range: $32 – $40 per hour (DOE)
Shift: Day Shift | Monday–Friday | 7:00 AM – 3:30 PM
Overtime: Yes — overtime and weekend work available as needed
Experience Level: Senior Level | 5+ years preferred
Industry: Industrial Valve Repair & Precision Manufacturing

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Why This Role Exists

Millennium Power Services is continuing to expand its precision machining capabilities supporting industrial valve repair, engineered components, and critical infrastructure customers across the United States.

This role exists to support growing machining demand at the Westfield facility, with a strong focus on 4‑axis CNC milling, Mastercam programming, setup, and precision manufacturing work. This is a high-impact position for a machinist who enjoys owning the entire machining process — from print review and programming through setup, prove‑out, and finished part production.

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The Work You’ll Be Doing

In this role, you will:

Program, set up, and operate 4‑axis Haas CNC milling machines
Build and modify CNC programs using Mastercam
Perform complete machine setups including tooling, fixturing, offsets, and prove‑outs
Read and interpret blueprints, engineering drawings, and GD&T requirements
Machine precision components while maintaining close tolerances and quality standards
Edit programs and optimize machining strategies to improve efficiency and reduce cycle times
Select tooling, inserts, holders, and workholding solutions for each project
Perform first‑article and in‑process inspections using precision measuring equipment
Troubleshoot machining and programming issues to minimize downtime
Maintain a clean, organized, and safety‑focused work environment
Collaborate with machinists, supervisors, and engineering personnel as needed

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Machines, Controls & Software

You’ll work with equipment such as:

Haas 4‑axis CNC milling machines
CNC milling centers
Precision inspection equipment

Controls & Software

Haas controls
Mastercam

Inspection Equipment

Micrometers
Calipers
Indicators
Bore gauges

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Materials You’ll Work With

Depending on the project, you may machine:

Stainless steel
Alloy steel
Specialty industrial materials
Precision valve and industrial service components

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What We’re Looking For

Required

5+ years of CNC machining experience
Strong 4‑axis CNC milling experience
Hands‑on experience with Haas CNC mills
Strong Mastercam programming ability
Ability to independently complete setups and prove‑outs
Experience machining to tight tolerances
Ability to read blueprints and interpret GD&T
Strong understanding of feeds, speeds, tooling, and machining strategy
Experience using precision measuring equipment
Strong math, troubleshooting, and problem‑solving skills

Preferred (Not Required)

Experience machining industrial valve or repair components
Familiarity with Haas post‑processors
Continuous improvement mindset focused on efficiency and scrap reduction
Trade school or machining certification

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Why Machinists Like Working Here

Machinists choose Millennium Power Services because the work is technical, hands‑on, and directly connected to real industrial repair and manufacturing operations supporting critical infrastructure customers nationwide.

High‑level setup and programming work
Real ownership of machining projects
Variety of machining challenges instead of repetitive production work
Stable industrial workload
Strong overtime opportunities
Clean and organized shop environment
Long‑term career potential
Team‑oriented culture focused on craftsmanship and accountability
Backed by the resources and stability of Ovation Holdings

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About Millennium Power Services

Founded in 2000, Millennium Power Services is a premier industrial valve service provider specializing in valve repair, safety valve testing, field service, and precision parts manufacturing.

The company supports industrial customers throughout the United States with engineered repair solutions, expedited turnaround capabilities, and world‑class valve parts manufacturing services designed to reduce downtime and improve reliability.

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Pay, Benefits & Schedule

Pay Range

$32 – $40 per hour (DOE)

Additional Pay Information