Job Description

Position Title: Heavy Mill & Bore (HMB) Machinist

Job Type: Travel

Travel Requirements: Travel; project-based site work

Employment Type: Full-time

Position Summary

The HMB Machinist is responsible for operating, setting up, and maintaining heavy milling and boring machines—either in-shop or on-site at client locations. This role requires advanced machining skills, the ability to work independently in varied industrial environments, and a willingness to travel frequently for extended periods. The ideal candidate has strong technical knowledge, precision machining experience, and a commitment to high-quality workmanship in demanding conditions.

Key Responsibilities

• Set up, operate, and maintain horizontal and vertical boring mills, CNC/Manual mills, and other heavy machining equipment.
• Perform precision machining, drilling, facing, and boring operations on large or complex components.
• Read and interpret blueprints, technical drawings, GD&T, and work instructions.
• Conduct on-site machining for shutdowns, turnarounds, and equipment repairs.
• Maintain tight tolerances and high-quality standards on all machined parts.
• Inspect finished workpieces using micrometers, calipers, gauges, and other precision measurement tools.
• Troubleshoot machine issues and perform routine preventative maintenance.
• Ensure strict compliance with safety protocols, site rules, and company standards.
• Document work performed, including measurements, equipment setup, and job progress.
• Communicate effectively with supervisors, engineers, and client personnel on project status.
• Travel to customer facilities, often on short notice, and work in industrial environments such as:- Manufacturing plants- Power generation sites- Oil & gas facilities- Steel mills- Heavy equipment repair centers

Qualifications

Required:

• 3+ years of machining experience (HMB or heavy industrial machining preferred).
• Proficiency with manual and/or CNC mill and bore machines.
• Ability to read technical drawings and apply GD&T principles.
• Strong knowledge of machining speeds, feeds, and tooling.
• Comfortable traveling extensively and working in field conditions.
• Ability to lift 50+ lbs and work in industrial environments.

Preferred:

• Experience with large-part machining (mill & bore operations).
• Experience in outage/turnaround/field machining work.
• Certifications in machining, CNC operation, or related fields.
• OSHA, MSHA, TWIC, or other safety certifications.

Work Environment

• Frequent travel to job sites across multiple states.
• Varied shifts depending on project deadlines (days, nights, weekends).
• Industrial environments requiring PPE and adherence to strict safety standards.