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 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.
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.
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| Location | Elgin, SC |
| Industry | Manufacturing - Other |
| Company Size | 50 to 99 employees |
| Year Founded | 1910 |
| Website | http://www.AMBACInternational.com |
AMBAC manufactures for the hardest working engines in the world. Fuel Injection Systems are the heart of the engine and they are complex to design, manufacture, and to remanufacture.
We are an employee owned, open book, team focused on supplying new and remanufactured fuel injection systems and related components to engine OEM’s, remanufacturers, and to a global network of service dealers. We are a full service, ISO 9001:2015 OE manufacturer in the Columbia South Carolina area.
AMBAC provides over 100 years of expertise to enable our customers to fulfill their mission.
Many of our team members have been with AMBAC for over 20 years, so you know it's a great place to work.
A typical day:
A standard work week consists of 10 hour days, Monday through Thursday, with Fridays off. Overtime can and usually happens on Fridays. Every Wednesday we have a company wide meeting where we update all employees on our financials and sales pipeline. We make sure to leave plenty of time for discussions, questions, new ideas and celebrations.
AMBAC offers:
- 401K
- Paid PTO
- Comprehensive Health Insurance
- Vision & Dental
- Life Insurance
- Long and Short-Term Disability
It's highly likely that you have never heard of an "open book, emplyee, owned, high involvement company" before. AMBAC is one of very few (and fortunate) companies that exists as an open book, employee owned, high involvement, team.
- Open Book is about teaching everyone to understand the company. Literally, we share and teach everyone on the team how the company operates, where the company stands in terms and numbers and financials, and what can each of us do to make a difference.
- AMBAC has an employee ownership program called an ESOP. More than that, every employee has a role in how the company is run and has a real stake in the outcome. Employee Ownership at AMBAC means every employee is an important part of the team.
- High involvement is how we get everyone involved. The whole company, from the warehouse technicians to the CFO, is involved in our weekly updates, twice yearly planning sessions, surveys, and our frequent discussions. We set our goals, and then we go after them with as a team with a friendly, but competitive, attitude.
We believe that if everyone understands and works toward our common goals, we all win.
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