Industrial Mechanical Assembler – Machine Builder

BlackStar

Leominster, Massachusetts

JOB DETAILS
SKILLS
Assembly Drawings, Assembly Equipment, Blueprints, Component Assembly, Computer Skills, Documentation, Geometric Dimensioning and Tolerancing, Heavy Equipment/Vehicles, Lathe, Lift/Move 50 Pounds, Machine Tool, Machining, Manufacturing, Mechanical Assembly, Milling Machine, OEM (Original Equipment Manufacturer), Organizational Skills, Quality Metrics
LOCATION
Leominster, Massachusetts
POSTED
1 day ago

Job Summary

We are hiring a Mechanical Assembler to join a manufacturing team specializing in industrial machinery assembly. This role involves building large machines and sub-assemblies with a strong focus on precision, fit, and alignment. Candidates should have hands-on experience in mechanical assembly, blueprint reading, and working with GD&T standards in a manufacturing or machine shop environment.

Key Responsibilities

  • Assemble large industrial machinery and sub-assemblies to precise specifications
  • Read and interpret mechanical blueprints, assembly drawings, and GD&T tolerances
  • Perform part fitting, alignment, and adjustments to ensure proper function and quality
  • Modify or refine components using basic machining tools as needed
  • Operate milling machines and lathes to support assembly and component adjustments
  • Safely move, rig, and position heavy machine components
  • Maintain a clean, safe, and organized manufacturing work area
  • Follow quality standards and document basic production information

Required Qualifications

  • Minimum 2+ years of mechanical assembly experience on large industrial machinery or heavy equipment
  • Ability to read and interpret mechanical blueprints and GD&T symbols
  • Experience working with tight tolerances and precision assembly work
  • Hands-on familiarity with milling machines and/or lathes (basic machining capability)
  • Ability to lift up to 50 lbs and stand for extended periods
  • Basic computer skills for documentation and communication

Preferred Experience

  • Background in machine shops, fabrication shops, OEM manufacturing, or industrial equipment assembly
  • Experience assembling large mechanical systems from start to finish
  • Exposure to rigging, heavy component handling, or industrial installation environments

Work Environment & Location Details

This is an on-site, 5-day-per-week manufacturing role based in Leominster, MA. The work involves large-scale mechanical assembly in an industrial shop environment.

Primary commuter areas: Fitchburg, Gardner, Lancaster, Lunenburg, Sterling, Shirley, Clinton, Westminster, and Worcester (30–45 min range). Local candidates are strongly preferred due to onsite requirements and limited relocation support.

About the Company

B

BlackStar