Health Safety & Environment Supervisor

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! 

The Health, Safety & Environmental (HSE) Supervisor is a key field-based leadership role, working closely with all functions of the business. This position is expected to spend a minimum of 80% of working time in operational areas, providing visible leadership, engaging directly with supervisors, crews, contractors, and frontline workers, and verifying that critical controls are effectively implemented and maintained.

The role is responsible for providing leadership in the development, implementation, and continuous improvement of Health, Safety and Environmental systems, programs, and performance. Through active field engagement and collaboration with project leadership, the HSE Supervisor will support the achievement of project objectives, business goals, and regulatory compliance requirements while fostering a strong safety culture and commitment to environmental stewardship.

The HSE Supervisor will lead through presence in the workplace, conducting inspections, audits, Critical Control Verifications (CCVs), incident investigations, risk assessments, coaching, and workforce engagement activities. Administrative responsibilities, reporting, and system requirements are an important component of the role; however, field leadership and direct workforce interaction remain the primary focus and key measure of success.

• Reports to the Project Manager
• Maintains a visible and active field presence across operational areas
• Builds and maintains relationships with both internal and external clients (e.g., engineering, operations, and contracts), Union(s), customer and contractor/subcontractor representatives to coordinate the application of Thiess HSE processes across the Project Manager
• Supports coordination of daily HSE activities and site priorities
• Assists in preparation of daily, weekly and monthly HSE reports
• Provides timely and accurate information to support site and regional reporting requirements
• Identifies and escalates gaps in execution, compliance, or system effectiveness
• Supports the contractor management processes through monitoring subcontractors’ Health, Safety and Environmental programs and completing frequent inspection of subcontractor worksites.
• Oversee the monitoring and retention of subcontractor clearance certificates.

• Conducts regular field interactions, inspections and verifications across site
• Supports the identification of hazards and ensures controls are implemented and maintained
• Executes and supports Critical Control Verifications (CCVs) for high-risk activities
• Reinforces key risk areas including traffic management, isolation, and mobile equipment interactions
• Works with supervisors and crews to ensure risk assessments (JHAs, task-based assessments) are practical and effective
• Supports Management of Change (MoC) processes by identifying operational risks and verifying controls in the field
• Participates in Joint Health and Safety Committee (JHSC) inspections and activities. Support or facilitate monthly workplace inspections or such other audits/inspections as needed or directed.
• Work collaboratively with the local Union Worker Safety Representative in executing on responsibilities.
  
  INCIDENT MANAGEMENT, ACTION TRACKING & SYSTEMS
  
  
• Supports and coordinates incident reporting and investigation processes in Synergy with focus on identifying and eliminating the root causes in an effort to eliminate reoccurrences.
  Assists supervisors with investigations using structured methodologies (e.g. 5 Whys, ICAM principles)
• Tracks and follows up on corrective actions to ensure timely close-out
• Verifies that implemented actions are effective and sustainable
• Supports internal and external audits and ensures findings are tracked through to completion
• Monitors leading indicators including hazards, inspections and critical control performance
  
  HEALTH, ENVIRONMENT & COMPLIANCE SUPPORT
• Supports implementation and monitoring of environmental and compliance requirements on site
• Ensure that any contravention of policy and/or process/procedure is identified and escalated for appropriate corrective action.
• Support the identification, assessment, and management of ergonomic risks.
• Assists with tracking environmental obligations, permits and conditions
• Supports occupational hygiene programs including monitoring of dust, noise, diesel particulate matter and vibration
• Works in alignment with Ontario Regulation 854 (the green book) and other applicable legislation
• Assists with emergency preparedness activities including drills and response readiness

• Supports delivery of HSE orientations and onboarding activities
• Reinforces safety expectations and standards with frontline workers
• Assists in identifying training needs and tracking completion of required competencies
• Coaches supervisors and crews on quality reporting, hazard identification and system use
• Promotes proactive safety behaviours and supports a Just Culture environment
• Advocate for the Internal Responsibility System (IRS).
• Supports the development and implementation of training programs for the project, based on applicable regulations, corporate requirements, and job requirements, or in response to identified gaps.

• Supports implementation of site HSE standards, procedures and systems
• Reinforces Stop Work Authority and safe work expectations
• Participates in HSE initiatives, campaigns and continuous improvement activities
• Assists in development of HSE materials including reports, presentations and communications
• Works in compliance with the Occupational Health and Safety Act, company policies and procedures
• Performs other related duties as assigned

• Post-secondary qualification in Occupational Health & Safety or related field (or equivalent experience)
• Basic to intermediate understanding of incident investigation methodologies (e.g. 5 Whys, ICAM)
• Relevant safety or health certifications considered an asset
• Strong practical understanding of workplace hazard identification and risk control

• Minimum 2 years’ experience in mining or heavy industrial environment
• Strong field-based experience supporting safety execution and inspections
• Understanding of mining operations including production and maintenance activities
• Working knowledge of Ontario Regulation 854 and OH&S Act
• Experience supporting inspections, audits and hazard management processes
• Familiarity with Microsoft Office applications (Word, Excel, PowerPoint)
• Experience with HSE systems such as Synergy is an asset
• Strong communication and interpersonal skills with ability to engage frontline workforce
• High attention to detail and strong follow-through
• Ability to work both independently and within a team environment
• 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)

• Location: Stobie Open Pit Mine, Sudbury, Ontario, Canada
• Work Schedule: Monday to Friday, with flexibility to support operational requirements outside of core business hours, as needed.
• Site-based role with significant field exposure
• Occasional local travel may be required
• Valid driver’s license required

The salary range for this role is minimum $124,085 to a maximum of $155,107 CAD. The salary range is provided in good faith and is 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.  

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Please note that Thiess Mining Canada Ltd does not use Artificial Intelligence (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 August 7, 2026.