General Information Job

ID ATR59775

Posting Job Title Maintenance Supervisor Locations MO Chesterfield Employment Type Full Time Date Posted 19-Jun-2026 Relocation Support No Description & Requirements Smurfit Westrock (

NYSE:

SW) is the go-to leader and partner of choice in sustainable packaging. We are dedicated to creating efficient and scalable paper and packaging solutions to help solve complex packaging challenges. Guided by our values of safety, loyalty, integrity and respect, we are committed to delivering meaningful value for shareholders, customers, employees and the communities where we operate.

The Opportunity:

The Maintenance Supervisor is responsible for providing expertise and leadership to the service and maintenance staff while ensuring the safe maintenance, repair or replacement of plant assets. The Maintenance Supervisor is also responsible for driving continuous improvement of plant operations to enable efficient, high-quality production of customer products. How you will impact

Smurfit WestRock:

Provide strategic leadership on maintenance operations to ensure maximum production. Develop and implement the short

• and long-term maintenance strategy to enable operating efficiency in alignment with Smurfit WestRock's values.

Create Maintenance Department safety goals and plan to ensure a safe work environment. Create an effective Plant Maintenance Program using industry best practices to maximize equipment reliability and uptime. Supervise and inspect maintenance work to ensure the most effective, efficient and up to date technology and preferred maintenance practices are implemented by craftsmen. Manage and analyze maintenance department KPIs to assess operating efficiency and identify opportunities to drive performance excellence. Monitor and communicate departmental performance in Safety, Environmental, Reliability, and cost effectiveness. Provide guidance in the development of the maintenance business plan and forecasts. Lead maintenance staff to exceed industry standards and set new industry uptime and reliability standards. Serve as a member of the Plant Leadership Team to align on Plant goals and standards and collaborate on organizational effectiveness. Negotiate using win-win strategies on behalf of Smurfit Westrock with the Labor Union representatives on contract issues. Ensure a safe work environment and adherence to all corporate, state and federal safety, health and environmental policies, procedures and regulations by all maintenance staff. Foster a culture of care that promotes active participation and buy-in for safety and maintenance reliability from craftsmen. Ensure maintenance staff is adequately trained and motivated to achieve departmental objectives in a safe, timely, and cost-effective manner. Leads and motivates a team of people to achieve performance excellence; ability to read people and situations and adjust approach; accordingly, proactively leads and enforces initiatives that drive organizational effectiveness; teaches others how to build trust-based relationships. Uses strong problem-solving skills and supporting information to arrive at optimal decisions in an appropriate timeframe; knows when to decide and/or when to seek additional input, and drive for consensus.

What you need to succeed:

2-year technical degree in Electrical, Mechanical, or Industrial Engineering

• Required Bachelor's Degree in Electrical and/or Mechanical Engineering
• Preferred 10+ years of experience in industrial maintenance with 5+ years in maintenance supervision
• Required Proficient with various software packages such as Microsoft Office
• Excel, Outlook, JDE, PLC / DCS or similar CMMS (Computerized Maintenance Management System.

What we offer:

Corporate culture based on integrity, respect, accountability, and excellence. Comprehensive training with numerous learning and development opportunities. An attractive salary reflecting skills, competencies, and potential. Benefits package to include medical, dental, vision, life insurance, 401k with match, tuition reimbursement, employee discounts, employee referral bonus, and much more! A career with a global packaging company where Sustainability, Safety and Inclusion are business drivers and foundational elements of the daily work. Candidates are required to undergo a drug screening after receiving a conditional job offer, but before starting employment. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, protected veteran status or other characteristics protected by state or federal law.