Milling Cell Supervisor

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📍 Manchester, New Hampshire, United StatesFull time

About this role

POSITION SUMMARY:

The Milling Cell Supervisor is responsible for overseeing the daily operations of the Milling machining cell, including Senior Class A, Class A, Class B, and Class C machinists. This role ensures the team meets production, quality, and safety standards while optimizing throughput and machine utilization. The Supervisor plays a critical role in scheduling, training, process compliance, and maintaining effective communication with both operators and leadership.

 ESSENTIAL FUNCTIONS AND RESPONSIBILITIES:

Team Leadership & Supervision:

  • Directly supervise Milling cell team members, including Senior Class A, Class A, Class B, and Class C machinists.
  • Assign daily work, monitor performance, and ensure adherence to work instructions and drawings.
  • Conduct employee performance reviews, Weekly time approvals, and disciplinary actions in coordination with GSM Policies and Procedures.
  • Provide mentorship and training to enhance skill development and cross-training across levels.
  • Work to reduce and eliminate barriers and obstacles to improve overall cost and scheduling performance.
  • Your leadership is expected to make it easier for employees to make quality products and make it easier for customers to do business with GSM.

Production & Operations Management:

  • Oversee daily operations of CNC Millings, ensuring throughput meets production schedules.
  • Monitor and drive productivity, minimizing downtime and idle hours.
  • Ensure proper setup, operation, and maintenance of Millings to maximize efficiency and extend equipment life.
  • Work with programming and planning teams to resolve issues impacting production flow.

Quality & Compliance:

  • Ensure all work complies with AS9100, ISO 9001, NAVSEA, and customer requirements.
  • Partner with Quality Inspectors to address nonconformances, corrective actions, and continuous improvement efforts.
  • Promote a culture of quality and accountability across the Milling cell.

Continuous Improvement:

  • Identify and implement Lean practices to improve workflow, reduce waste, and increase throughput.
  • Monitor process performance and lead root cause/corrective action initiatives for recurring issues.
  • Recommend tooling, fixturing, and process improvements to enhance productivity and quality.

Safety & Communication:

  • Champion a safe work environment and ensure compliance with all OSHA and GSM safety standards.
  • Maintain effective communication with machinists, operations leadership, and other departments.
  • Provide clear status updates on jobs, machine availability, and resource requirements.
  • Demonstrates responsibility and accountability for creating a professional, safe, and clean environment evidenced by: being at work on time to perform assigned duties, following the policies of Granite State Manufacturing, always wearing safety glasses in designated areas, maintaining a neat and orderly work area, and following safety practices to prevent errors.
  • Demonstrates commitment to teamwork by establishing effective relationships and networks with both managers/directors and staff, collaborating with them to accomplish shared purposes and goals.
  • Abides by GSM Code of Ethics and Business Conduct standards and strictly observes all U.S. and foreign laws and regulations.

QUALIFICATIONS, SKILLS, AND ABILITIES

  1. 5+ years of CNC machining experience, including setup and operation of CNC Millings.
  2. Previous supervisory or team lead experience in a machining environment required.
  3. Strong knowledge of machining processes, tooling, G-code, and blueprint reading.
  4. Familiarity with AS9100, ISO 9001, and defense/aerospace quality standards.
  5. Proficiency with ERP/MRP systems (e.g., M1) and Microsoft Office Suite.
  6. Strong problem-solving, organizational, and communication skills.
  7. Ability to coach, mentor, and develop machinists across skill levels.

EEO STATEMENT

Granite State Manufacturing (GSM) is an equal opportunity employer. GSM does not discriminate on the basis of race, color, religion, sex, gender, gender identity or expression, national origin, citizenship, veteran status, age, physical or mental disability, genetic information, marital status, sexual orientation, or any other consideration made unlawful by applicable federal, state, or local laws in its programs, activities, or employment.

  • Paid time off
  • Floating holidays
  • Paid holidays
  • 401(k)
  • 401(k) company matching
  • Dental & Vision insurance (Company paid)
  • Employee assistance program
  • Flexible spending account
  • Competitive health insurance
  • Health savings account
  • Life insurance
  • Referral program

Frequently Asked Questions

Is the salary disclosed for the Milling Cell Supervisor position at Granite State Manufacturing?
The salary for this Milling Cell Supervisor role at Granite State Manufacturing is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the Milling Cell Supervisor position at Granite State Manufacturing located?
This Milling Cell Supervisor role at Granite State Manufacturing is based in Manchester, New Hampshire, United States. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the Milling Cell Supervisor role at Granite State Manufacturing full-time or part-time?
This is listed as a Full time position. It is posted as a Milling Cell Supervisor role in the Manufacturing department at Granite State Manufacturing.
Which team or department does the Milling Cell Supervisor at Granite State Manufacturing belong to?
This Milling Cell Supervisor position is part of the Manufacturing department at Granite State Manufacturing. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Milling Cell Supervisor position at Granite State Manufacturing?
Click the "Apply Now" button on this page. You will be redirected to Granite State Manufacturing's official application portal hosted on workable where you can submit your application directly.
When was the Milling Cell Supervisor job at Granite State Manufacturing posted?
This Milling Cell Supervisor position at Granite State Manufacturing was posted on Oct 3, 2025. Apply as soon as possible — early applications are often reviewed first.
Milling Cell Supervisor
Granite State Manufacturing
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