Maintenance Supervisor

Job Details: Job Location: STL Manufacturing - Hazelwood, MO, Salary Range: $75000.00 - $100000.00Salary, Join Us as a Maintenance Supervisor at Potter Global Technologies

At Potter Global Technologies, we’ve been protecting lives around the world for over 125 years—and we’re just getting started. We’re a global leader in life safety solutions, committed to saving lives through innovative technology and trusted partnerships.

Our vision is for our customers to know us globally as their innovative, easy-to-do-business-with, best-in-class life-safety product partner. And our mission? With a passion for creating safer environments worldwide, our mission is to provide our customers with a team of real people that connect them with reliable expertise in life safety applications.

If you're inspired by purpose, energized by collaboration, and thrive in an environment of feedback, ownership, and experimentation—you’ll feel at home here.

As a Maintenance Supervisor, you will lead a high-performing maintenance team focused on keeping all equipment running safely, reliably, and efficiently. In this role, you’ll oversee daily maintenance activities, assign and prioritize work, support technicians as they troubleshoot issues, and coordinate both planned and reactive repairs to reduce downtime. You’ll also partner closely with production to anticipate needs and ensure equipment performance aligns with operational goals, all while fostering a culture of accountability, safety, and continuous improvement. Ready to lead the way? Apply now and let’s build something great together.

What You’ll Do

Lead, mentor, and develop a high‑performing maintenance team through structured coaching, performance feedback, and individualized development plans that strengthen capability and drive results.
Coach team members to deliver constructive feedback aligned with organizational goals and maintenance schedules.
Foster a positive and accountable culture that promotes engagement, ownership, and consistently high performance.
Ensure safety, quality, and equipment reliability goals are met or exceeded through disciplined daily execution and proactive oversight.
Champion a zero‑incident safety culture by conducting structured daily safety audits, 5S inspections, and near‑miss investigations, ensuring corrective actions are documented and closed promptly.
Oversee and schedule preventive maintenance (PM) of machinery and equipment to prevent unscheduled downtime and extend asset lifespan.
Lead troubleshooting efforts to identify and resolve mechanical, electrical, pneumatic, and hydraulic issues, ensuring swift repairs that minimize production interruptions.
Oversee equipment installations and upgrades and calibration efforts to ensure all machinery operates within optimal specifications.
Plan labor, materials, equipment, and training needs to support efficient daily maintenance operations.
Work cross‑functionally with production, quality, and engineering teams to understand equipment performance needs and minimize operational disruptions.
Communicate maintenance status, risks, and priorities clearly during daily stand‑ups and leadership meetings.
Track, analyze, and resolve maintenance issues using data‑driven insights to support continuous improvement.
Champion LEAN manufacturing principles to streamline maintenance processes and improve cost efficiency.
Maintain accurate and up‑to‑date records of maintenance activities, repairs, inspections, and documentation for audits and future reference.
Perform other duties as assigned in support of department and organizational objectives.

Qualifications: What You Bring

Experience That Drives Success

5+ years of industrial or manufacturing maintenance experience, including at least 2 years in a leadership or supervisory role.
High school diploma or GED required; Associate’s Degree or technical certification in a relevant field (mechanical, electrical, industrial maintenance) (preferred).
Analytical mindset with strong problem‑solving focus and the ability to quickly diagnose and resolve mechanical, electrical, and software‑related issues.
Strong knowledge of mechanical, electrical, pneumatic, and hydraulic systems is essential for effective troubleshooting and repair.
Familiarity with automation and PLC troubleshooting (preferred).
Experience with LEAN manufacturing principles and a continuous improvement philosophy.
Hands‑on, collaborative leadership style that supports team engagement and operational success.
Knowledge of computerized maintenance management systems (CMMS) and other maintenance software (preferred).

Key Strengths & Skills

Acts with integrity, professionalism, and confidentiality
Strong verbal and written communication skills
Proactive time management and ability to work on many projects at various points of the product development cycle.
Bias for action and ability to work with a sense of urgency
Collaboration skills
Proficiency in Microsoft Office Suite

Our Culture

We build strong relationships—with teammates, partners, and customers
We take pride in knowing every product we build serves the purpose of protecting lives
We listen actively, coach frequently, and own our results
We foster innovation, value curiosity, and believe that experimentation is part of growth
We create a welcoming and inclusive space where everyone belongs
We take ownership of our work—quality and safety are at the core of what we do

Benefits That Matter

Employee Ownership Program – You’re not just an employee—you’re an owner. We share success together.
Competitive health, dental, and vision plans
401(k) with company match
Generous paid time off and holidays
Continuous learning and development opportunities
Financial Wellness programs including complimentary Certified Financial Planner sessions
Recognition programs that celebrate individual and team wins
A mission-driven team that supports life-saving outcomes, every day

Location

This is a full-time position, on-site at our Manufacturing Facility located in Hazelwood, MO.

Ready to Apply?

Ready to make a real impact? If you’re driven, curious, and excited to grow with a team that’s changing the world—and where you’re not just an employee but an owner—we want you on board!

Join us, and let’s create safer environments together—making a global difference you’ll be proud to own.