Lathe Cell Supervisor

Granite State Manufacturing; Manchester (NH); On-site; USD 70,000 - 90,000; Full time

Benefits offered by this job

Paid time off

Floating holidays

401(k) + company match

Dental & Vision insurance

Disability benefits

Employee assistance program

Flexible spending account

Competitive health insurance

Health savings account

Life insurance

Referral program

Job summary

Granite State Manufacturing in Manchester, NH, is seeking a Lathe Cell Supervisor to oversee the daily operations of the CNC lathe cell, ensuring production, quality, and safety standards are met.

You will schedule, train, and coach machinists, optimize throughput, monitor setup and maintenance, and partner with programming and planning teams to keep the shop running smoothly and in compliance with AS9100/ISO 9001.

Qualifications

• 5+ years CNC machining experience, including setup and operation of CNC lathes.
• Prior supervisory or team-lead experience in a machining environment.
• Strong knowledge of machining processes, tooling, G-code, and blueprint reading.
• Familiarity with AS9100, ISO 9001, and defense/aerospace quality standards.
• Experience with ERP/MRP systems (e.g., M1) and Microsoft Office.
• Excellent problem-solving, organizational, and communication skills.
• Ability to coach and mentor machinists across skill levels.
• U.S. Person qualification for export-controlled information per ITAR.

Responsibilities

• Directly supervise lathe cell team members across skill levels.
• Assign daily work, monitor performance, and ensure adherence to instructions.
• Conduct performance reviews and disciplinary actions per GSM policy.
• Provide mentorship and cross-training to develop skills.
• Reduce barriers to improve cost and scheduling performance.
• Oversee CNC lathe operations to meet production schedules.
• Ensure compliance with AS9100/ISO9001 and NAVSEA requirements.
• Promote Lean practices to reduce waste and increase throughput.
• Maintain OSHA and GSM safety standards and effective communication.

Skills

CNC machining

Supervisory experience

G-code & blueprints

AS9100 / ISO 9001

ERP/MRP (M1)

MS Office

Problem solving

Coaching & mentoring

Export controls (ITAR)

Job description

Position Summary

The Lathe Cell Supervisor is responsible for overseeing the daily operations of the lathe 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.

Position Summary

The Lathe Cell Supervisor is responsible for overseeing the daily operations of the lathe 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 lathe 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 lathes, ensuring throughput meets production schedules.
• Monitor and drive productivity, minimizing downtime and idle hours.
• Ensure proper setup, operation, and maintenance of lathes 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 lathe 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.

Requirements

QUALIFICATIONS, SKILLS, AND ABILITIES:

• 5+ years of CNC machining experience, including setup and operation of CNC lathes.
• Previous supervisory or team lead experience in a machining environment required.
• Strong knowledge of machining processes, tooling, G-code, and blueprint reading.
• Familiarity with AS9100, ISO 9001, and defense/aerospace quality standards.
• Proficiency with ERP/MRP systems (e.g., M1) and Microsoft Office Suite.
• Strong problem-solving, organizational, and communication skills.
• Ability to coach, mentor, and develop machinists across skill levels.
• Due to the nature and importance of GSM’s work, our positions require access to export-controlled information. Therefore, all candidates must qualify as a U.S. Person under applicable export-control/ITAR regulations or otherwise be authorized to access such information under U.S. law.

Benefits

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

…and much more.