Manufacturing Supervisor, 4-day week, 2nd Shift

AMBAC International; Elgin (SC); On-site; USD 65,000 - 90,000; Full time

Benefits offered by this job

Paid time off

401(k) with match

Health, vision, and dental insurance

Life, short- and long-term disability

ESOP (Employee Stock Ownership Plan)

Gain share and profit-sharing bonuses

Job summary

AMBAC International is seeking a Manufacturing Supervisor for the CNC Department in Elgin, SC. This hands-on leadership role directs CNC machining, grinding, and honing operations to sustain quality and efficiency.

You will supervise a skilled team, drive daily performance, and mentor staff using standard processes while collaborating with other departments. Join a company with ESOP, profit-sharing, and a 4-day schedule.

Qualifications

• 5+ years in manufacturing with leadership experience.
• Experience with metal CNC machining, grinding or honing required.
• Lean manufacturing and 5S knowledge preferred.
• High school diploma required; technical/associate degree preferred.

Responsibilities

• Supervise and support CNC machinists, grinders, and technicians.
• Monitor daily performance for safe, accurate and efficient work.
• Train, coach, and mentor employees using standard processes.
• Collaborate across departments to support scheduling and workflow.
• Maintain a clean, safe 5S environment; drive continuous improvement.
• Represent AMBAC culture and values with consistency.

Skills

Leadership

CNC machining

Problem solving

Lean manufacturing

5S discipline

Team coaching

Education

High school diploma

Technical/associate degree preferred

Tools

Metal CNC machines

Grinding equipment

Honing equipment

Job description

Manufacturing Supervisor – CNC Department Location: Elgin, SC | Schedule: 4 days; M-Th (Second Shift) 4 pm-2 am

Do you enjoy working with people, solving problems, and making things better every day?

AMBAC Internationalis hiring aManufacturing Supervisorto lead our CNC machining, grinding, and honing operations. This is a hands‑on leadership role focused on building team strength, ensuring consistent quality, and supporting efficient, organized production.

Why Join AMBAC?

• Employee-owned, and Open Book Managed
• Multi-year winner of Best Places to Work in South Carolina
• 4-day workweek structure (with weekend shift option)
• Profit-sharing and ESOP participation
• People-first, servant-leadership culture

What You’ll Do

• Supervise and support a team of CNC machinists, grinders, and technicians
• Monitor daily performance and support safe, accurate, efficient work
• Train, coach, and mentor employees using standard processes and quality practices
• Collaborate across departments to support scheduling and workflow
• Maintain a clean, safe, and organized environment with strong 5S discipline
• Support continuous improvement using Lean and Great Game principles
• Represent AMBAC culture and values with consistency and care

What You Bring

• 5+ years in a manufacturing environment, including 3+ years in a leadership role
• Experience with metal CNC machining, grinding, or honing required
• Steady, supportive leadership style with good listening and problem-solving skills
• Comfort working in a structured, results-focused, team-based environment
• Knowledge of Lean manufacturing, 5S, and continuous improvement preferred
• High school diploma or equivalent required; technical or associate degree preferred

What We Offer

• Paid time off
• 401(k) with match
• Health, vision, and dental insurance
• Life, short- and long-term disability insurance
• ESOP (Employee Stock Ownership Plan)
• Gain share and profit-sharing bonuses
• A stable, structured leadership opportunity in a mission-driven company

About AMBAC

We’ve been building power and engine systems since 1910. Today, we serve the world’s most demanding industries—from agriculture to aviation to defense. As a legacy-rich, employee-owned manufacturer, we’re committed to precision, pride in craft, and shared success.

AMBAC International is an Equal Opportunity Employer and a Drug-Free Workplace.