Lathe Cell Supervisor at Granite State Manufacturing in Manchester, NH

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.

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.

Granite State Manufacturing offers a comprehensive benefits package to all GSM employees.

• 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.