Maintenance Supervisor

ABOUT THIESS

Founded in Australia in 1933, Thiess has grown into a global leader in sustainable mining services and resource solutions, with more than 15,000 employees and operations spanning multiple continents. Today, we deliver mining services, land reclamation, and engineering expertise that help shape the future of the resources industry, creating lasting value for our clients, communities, and people.

At Thiess, you’re not just joining a company; you’re joining a team helping redefine what sustainable mining looks like for future generations. North America is a key part of our global growth journey, with operations across the United States and Canada and continued expansion into new regions. From Salt Lake City and the Intermountain West to Sudbury and Northern Ontario, our people are solving complex challenges, embracing innovation, and building careers with real impact.

We’re looking for people who want to do meaningful work, grow alongside a global organization, and help drive the future of mining and resource solutions. Learn more about our purpose, values, and the opportunities ahead by watching the following videos about Our Purpose and Our Values !

ROLE OVERVIEW

Reporting to the Maintenance Superintendent, the Maintenance Supervisor will lead and direct their maintenance team to deliver safe, efficient, reliable and cost considered maintenance to our assets. They will be required to provide direction to the tradespeople and will be responsible for prioritizing and allocating their team to the workshop of both planned and unplanned maintenance work. This includes maintaining a safe and efficient workplace, completing planned & unplanned maintenance events and ensuring that resources are allocated appropriately throughout the shift.

KEY RESPONSIBILITIES

Co-ordinate leading hands and maintenance crews to manage all mobile plant and equipment on site, during shift. Provide leadership and direction to all maintenance personnel including subcontractors. Ensure that all work undertaken is in accordance with direction from the Maintenance Superintendent and the Project SMP/EMP, OEM and SOPs. Ensure that all equipment fleets achieve maximum availability for minimal cost.

Ensure resource allocations of labor, tooling and equipment is optimized to meet both planned and unplanned maintenance work on each shift.

Constantly look to identify hazards and risks through regular inspections, audits, behavioral observations, JSEO’s as per HSE targets and review team member JSEO’s, where required, take corrective actions.

Lead, coach and develop team members by setting clear expectations, monitoring performance and mentoring team members.

Provide clear performance expectations to personnel and subcontractors and reinforce correct behavior through recognition and encouragement as well as application of timely disciplinary procedures.

Ensure down day activities are monitored for quality, effectiveness and compliance to Thiess standards

Review and audit mechanical repairs and services to ensure compliance with the mechanical maintenance scheme and the Thiess Management System (TMS).

Play an active role in all incident investigations to ensure the root causes are identified and that all the required documentation is reported, if applicable, implement corrective actions in consultation with relevant parties.

Supervise the updating and implementation of maintenance related operational procedures and work instructions.

Ensure all unsafe equipment is taken out of service in a timely manner.

Identify and report on training and development requirements of the team

Work in compliance at all times with the Occupational Health and Safety Act, including participation in risk assessments, adherence to safe work practices and reporting hazards as per the Internal Responsibility System.

Contribute positively to a respectful work environment in compliance with the Code of Conduct and the Healthy, Safe and Respectful Workplace policy

Work in compliance with all policies and procedures and the Employee Handbook

Performs other related duties as assigned

REQUIRED SKILLS

Extensive knowledge of mobile plant maintenance processes and requirements

Some knowledge of all trades and equipment

Ability to lead a team and manage crews in daily tasks and performance management capacities.

Ability to plan daily schedule and adapt to changes in schedule on ad hoc basis

Basic understanding of contract management, relevant systems and legislation relating to safety and environment

Strong ability and experience to grow, lead and support a multidisciplinary maintenance team

Demonstrated high level of analytical ability and ability to problem solve

High level of attention to detail and excellent follow-up skills

Professional and able to work with the leadership team to drive project outcomes

Excellent planning, leadership, organizational skills

Excellent verbal and written communication skills

JOB REQUIREMENTS

Completion of Generic First Line Supervisor Common Core – Program #770141 (Surface Mining)

5+ Years of mining or heavy industrial construction experience considered an asset

2 year minimum experience as a Leading Hand, Supervisor, or Planner

JDE or equivalent ERP system proficiency preferred

Proficient in Word, Excel, PowerPoint, Outlook

Speaks clearly and persuasively in positive or negative situations

Excellent interpersonal skills leading and motivating staff as well as effectively communicating with all levels of management and professionals internally and externally

Must be fluent in the English language

Authorization to work lawfully in Canada without sponsorship from Thiess is required (Applicants who qualify as an Intra-Company Transfer under the International Mobility Program may receive assistance from Thiess)

EDUCATION

High School Diploma or Equivalent

Relevant industry experience

Journeyman ticket an asset

Any training or courses in team management and team leadership (eg. Frontline leader)

ADDITIONAL INFORMATION

Currently based out of the Stobie Open Pit Mine in Sudbury, Ontario, Canada

Work schedule: 7 on / 7 off, rotating 12-hour shifts (days and nights)

Occasional local travel as needed

Valid driver’s license and access to a personal vehicle is required

Subject to pre-employment conditions, including pre-employment medical, criminal background check, education/employment/professional reference checks

The annual salary range for this role is minimum $124,085 to a maximum $155,107 (CAD). The salary range provided is a good faith estimate representative of all experience levels. Thiess considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills and is ultimately determined at management’s discretion

Thiess is committed to fostering a diverse, equitable, inclusive and anti-racist workplace culture where all employees are valued, respected, and empowered to contribute their unique perspectives and talents. We recognize that diversity and inclusion are essential to our success and are committed to creating an environment where everyone thrives and is protected from harm.

Thiess is an equal opportunity employer, and we value the importance of diversity, dignity and worth of every individual in the workplace. Thiess is committed to creating a respectful, inclusive, and barrier-free workplace that allows all of our people to reach their full potential. Thiess will engage in reasonable workplace accommodation, short of undue hardship, for any successful candidate who has a documented exemption under the Ontario Human Rights Code.

Thiess offers accommodation for applicants with disabilities in its recruitment processes. If you are contacted by Thiess regarding a job opportunity, please advise prior to the interview if you require accommodation. We welcome all qualified candidates to apply and hope you will choose Thiess as your employer of choice. Privacy Policy disclosure notice here .

This position will fill an existing vacancy on the team.

Please note that Thiess Mining Canada Ltd does not use AI tools within our applicant tracking system to support the screening, assessment, or selection of applications.

We thank all applicants; however, only those selected for an interview will be contacted.

Application deadline: end of business day Friday, July 24, 2026

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