Machining Plant Supervisor

Lehigh Heavy Forge Corporation; Westminster (MA); On-site; USD 85,000 - 120,000; Full time

Benefits offered by this job

Medical

Dental/Vision

401K/Roth Plan

Paid Vacation

Safety boot reimbursement

Safety glasses reimbursement

Life/AD&D Insurance

Job summary

Ranor, Inc. in Westminster, MA, seeks an experienced Machining Plant Supervisor to lead dayshift operations on large CNC centers. This role directs CNC machinists and operators, ensures safety, quality, and on-time delivery, and enforces work instructions and procedures.

Applicants should have 5+ years in CNC machining in a precision environment, with prior leadership. This is not an entry-level supervisory position; defense-related projects support Navy submarine components.

Qualifications

• High school diploma or equivalent.
• 5+ years of CNC machining experience in a precision manufacturing environment.
• Prior lead, supervisor, or management experience in a machining environment preferred.
• Experience with large-part machining, horizontal/vertical boring mills, or similar CNC centers preferred.
• Strong blueprint reading and GD&T understanding.

Responsibilities

• Supervise dayshift machining operations on large CNC centers.
• Assign daily work based on production priorities and machine availability.
• Monitor progress, remove obstacles affecting safety, quality, or productivity.
• Provide technical support during setups, first-piece checks, and in-process inspection.
• Coach and develop machinists to improve capability and performance.

Skills

Leadership

Blueprint reading

GD&T understanding

Problem solving

Communication

Education

High school diploma or equivalent

Tools

CNC machinery

Large-part machining

Job description

Overview

Ranor, Inc. is a large-scale fabrication and machining supplier. Our current focus is on defense-related products in support of Navy submarine components.

At Ranor, Inc., our machining plant operates large horizontal and vertical CNC machining centers for large component machining. The Machining Plant Supervisor is responsible for leading day-to-day machining operations, ensuring production work is completed safely, accurately, efficiently, and in accordance with all quality, documentation, and customer requirements.

This position provides direct supervision to CNC machinists and machine operators on dayshift. The supervisor is responsible for assigning work, supporting setups and production flow, monitoring performance, reinforcing quality and safety expectations, and ensuring employees follow approved work instructions, drawings, inspection requirements, and company procedures.

We are seeking an experienced machining leader only. This is not an entry-level supervisory position.

Duties Include

• Supervise dayshift machining operations, including employees operating horizontal and vertical boring mills and other large CNC machining centers.
• Assign daily work based on production priorities, staffing, machine availability, and delivery requirements.
• Monitor job progress throughout the shift and remove obstacles that impact safety, quality, schedule, or productivity.
• Provide technical support to machinists during setups, first-piece checks, in-process inspection, and troubleshooting.
• Ensure employees are properly reading and interpreting complex blueprints, NC programs, setup documentation, and work instructions.
• Verify that in-process inspection requirements are being followed using appropriate machine shop inspection equipment.
• Reinforce strict adherence to Ranor’s written work instructions, quality procedures, safety rules, and documentation requirements.
• Coordinate with Production Control, Quality, Engineering, Maintenance, and Management to support schedule execution and resolve shop-floor issues.
• Ensure machinists are working to required tolerances and escalating quality or technical concerns when needed.
• Coach, mentor, and develop machinists to improve technical capability, productivity, safety, and accountability.
• Monitor attendance, work performance, housekeeping, and employee conduct within the assigned area.
• Support continuous improvement efforts related to machining efficiency, setup reduction, rework prevention, and overall shop performance.
• Communicate shift priorities, production status, quality concerns, and staffing needs to management.

Benefits

• Medical, Dental, Vision
• 401K/Roth Plan
• Paid Vacation and Holidays
• Safety Boot Reimbursement Program
• Safety Glasses Reimbursement Program
• Life/AD&D Insurance

Qualifications Required

• High school diploma or equivalent.
• 5+ years of CNC machining experience in a precision manufacturing environment.
• Prior lead, supervisor, or management experience in a machining environment strongly preferred.
• Experience with large-part machining, horizontal boring mills, vertical boring mills, or similar CNC machining centers strongly preferred.
• Strong blueprint reading and GD&T understanding.
• Proven ability to support complex machining setups and troubleshoot production issues.
• Experience with precision inspection tools, including micrometers, bore gages, indicators, and related machine shop inspection equipment.
• Strong understanding of in-process inspection, documentation discipline, and quality requirements.
• Ability to lead employees working to tight tolerances, including the .0005” range.
• Ability to follow and enforce written work instructions, procedures, and safety requirements.
• Strong communication, leadership, organization, and problem-solving skills.
• Must be able to hold employees accountable while supporting training, development, and production goals.
• U.S. Citizenship required.