Maintenance Manager

Who are we?
At Calumet we deliver innovative specialty products trusted by companies across the globe. We are the foundation to everyday essential products that help millions of people live and thrive. We are headquartered in Indianapolis and have numerous production locations in the US. We are customer focused and utilize our values of collaboration and entrepreneurship to grow the business. We offer a dynamic, high-performance environment where team members can have real input and impact on our business. If you're ready to roll up your sleeves, treat the business as if it is your own and add value accordingly, come see why we're Calumet Proud!

PURPOSE:

The Maintenance Manager is responsible for providing leadership and strategic direction for all maintenance-related activities at the Great Falls Refinery. This role ensures the safe, reliable, and costeffective maintenance of refinery assets while supporting operational excellence, regulatory compliance, and longterm asset integrity.

As a key member of the refinery leadership team, the Maintenance Manager leads a multidisciplinary organization that includes maintenance execution, inspection, reliability, turnarounds, and materials management. This position partners closely with Operations, Engineering, HSE, and Technical teams to ensure equipment availability, risk reduction, and continuous improvement.

KEY OBJECTIVES AND RESPONSIBILITIES:

Safety & Compliance

• Lead maintenance activities with an uncompromising commitment to personal and process safety.
• Ensure compliance with OSHA, EPA, PSM, and Calumet safety and environmental standards.
• Promote a strong safety culture through visible field presence, accountability, and continuous improvement.
• Support incident investigations and ensure corrective actions are implemented and sustained.

Maintenance Leadership & Execution

• Provide leadership and direction to Maintenance Supervisors to ensure safe and effective execution of daily and planned maintenance work.
• Oversee preventive, predictive, and corrective maintenance programs to support refinery reliability.
• Ensure maintenance activities align with operational priorities and refinery objectives.
• Drive consistent maintenance planning, scheduling, and work execution discipline.

Reliability & Asset Integrity

• Lead the Reliability and Inspection functions to improve equipment performance and reduce unplanned downtime.
• Support and enforce mechanical integrity programs, inspections, and fitnessforservice evaluations.
• Utilize data, KPIs, and root cause analysis to identify reliability risks and drive corrective actions.
• Champion continuous improvement initiatives focused on asset health, lifecycle cost management, and reliability growth.

Turnaround & Outage Management

• Provide leadership and oversight to the Turnaround Manager for planning and execution of unit turnarounds and major outages.
• Ensure turnarounds are safely executed on schedule and within budget.
• Support scope development, risk assessments, contractor management, and postturnaround reviews.

Materials & Warehouse Management

• Oversee the Warehouse Supervisor and materials management activities.
• Ensure availability and control of spare parts, materials, and critical inventories.
• Drive improvements in inventory optimization, cost control, and material readiness.

People Leadership & Development

• Build, develop, and retain a skilled maintenance and reliability organization.
• Coach and mentor supervisors and managers to strengthen leadership capability and technical competence.
• Support succession planning and workforce development initiatives.
• Reinforce Calumet values, performance expectations, and accountability.

Business & CrossFunctional Collaboration

• Partner with Operations to align maintenance priorities with production needs.
• Collaborate with Engineering on capital projects, equipment improvements, and longterm asset strategies.
• Participate in budget development, cost control, and capital planning.
• Support audits, inspections, and corporate initiatives as required.

Other duties as assigned.

REQUIRED EDUCATION/EXPERIENCES:

• Bachelor's degree in Engineering or a related technical field preferred (or equivalent refinery maintenance experience).
• Minimum 10 years of refinery or petrochemical maintenance experience, with 5+ years in a leadership role.
• Demonstrated experience leading maintenance and/or reliability organizations in a 24/7 operating environment.
• Strong knowledge of:




• Mechanical integrity and asset management
• Turnaround planning and execution
• Reliability engineering principles
• Regulatory and PSM requirements




• Proven ability to lead teams, manage competing priorities, and make sound decisions.
• Participation in oncall rotation and afterhours support as required.

PREFERRED EDUCATION/EXPERIENCES:

• Experience managing inspection, reliability, and warehouse functions.
• Strong turnaround leadership experience.
• Familiarity with CMMS systems and maintenance planning best practices.
• Experience driving cultural or performance improvement initiatives.
• SAP / JDE experience

COMPETENCIES:

• Strong safety leadership and risk awareness
• Resultsdriven with a disciplined execution mindset
• Collaborative and relationshipfocused leader
• Effective communicator across all levels of the organization
• Ability to remain calm and decisive under pressure
• Continuous improvement orientation

• Demonstration of Calumet Values - Safety, Environment & Social Responsibility, Teamwork, Ownership, Passion for Customers, and Excellence

Salary and benefits commensurate with experience. We are an equal opportunity employer including disability and veteran. All offers of employment are conditioned upon successfully passing a drug test.