Manufacturing Supervisor
AMBAC International
Manufacturing Supervisor
AMBAC International
Diesel engine fuel injection systems manufacturer
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 International is hiring a Manufacturing Supervisor to 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.
We’re looking for someone steady, team-focused, and committed to supporting people and processes with care and accountability.
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, preferred
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.
Ready to Apply? If you're a steady, team-minded leader ready to make an impact—we’d love to talk.
AMBAC International is an Equal Opportunity Employer and a Drug-Free Workplace.
Diesel engine fuel injection systems manufacturer
AMBAC International designs and builds high-precision fuel injection systems and components for diesel engines used in trucking, defense, and power generation. Its products include pumps, injectors, and related parts that precisely meter and deliver fuel to diesel cylinders, backed by more than a century of engineering in magnetos and injectors and focused testing for performance and durability. The company differentiates itself through owner-employee stewardship: since 2007 it is 100% employee-owned, and since 2018 it has used open-book management to share financials with staff. This combination aims to combine the rigor of a long-established manufacturer with a startup-like culture centered on accountability and direct employee ownership, while serving mission-critical markets. The goal is to produce reliable, precision fuel-delivery systems for demanding diesel applications and to sustain growth and resilience by keeping the workforce closely tied to the company’s success.
Explore more opportunities at AMBAC International