Maintenance Planner

Company: Thiess
Location: Denver
Posted on: January 17, 2026

Job Description:

Job Description Job Description ABOUT THIESS Thiess, originating in Australia in 1933, is now a $4 billion global organization focusing on sustainable resource solutions, including mining services, land reclamation, and engineering consulting. With 12,000 employees, we are committed to creating lasting value for our clients and leading the way toward a more sustainable future. We are a movement spearheading a journey towards a more sustainable future, and North America is a crucial part of it. Our unique business approach to contract mining currently makes our services available in the United States and Canada. In the US, we operate in Salt Lake City, Utah, Colorado, and the Intermountain West region. In Canada, our services are available in Sudbury, Greater Ontario, and the Northern Ontario region. We are also expanding to other states and areas in both countries. Please get to know us better by watching the following videos about Our Purpose and Our Values! ROLE OVERVIEW Thiess is currently seeking a Maintenance Planner who will support mining operations by planning and scheduling short- to medium-term maintenance for mobile and/or fixed plant equipment, infrastructure, and facilities. In this role you will work in alignment with OEM specifications, the role focuses on improving equipment availability, reducing unplanned downtime, and ensuring maintenance activities are completed safely, efficiently, and within budget. KEY RESPONSIBILITIES Planning & Scheduling Produce, review and maintain rolling monthly, quarterly and annual plans as well as equipment specifications, tires and undercarriage tracking files Maintain currency and accuracy of equipment maintenance history, work orders, job records database and technical information on processes, plant and equipment Identify potential work using an effective condition monitoring program and financial package-based work programs and provide guidance and support to the project teams Develop weekly agreed maintenance plans using equipment strategies to facilitate maximum production and minimize downtime and costs to meet plant availability and reliability targets Align other maintenance activities such as defects and breakdown repairs with periodic maintenance and provide updates on a weekly basis Develop a recommended and optimized bill of materials for the various standard jobs employed under the maintenance strategy Finance and Commercial Ensure that work planned is completed within the allowed budget and resources by cost effective use of resources to maintain and service infrastructure Assist with the procurement and freight of parts and services and ensure full reliability of parts and equipment is retained while stored, only using approved suppliers and hire equipment Maintain accurate and effective costing reporting as well as support documentation and ensure all completed work orders are closed out Effectively use the company's financial package to produce, review and maintain equipment lists and contracts and raise work orders for all maintenance activities Coordinate warranty claims and ensure warranty forms are lodged with OEMs for components and repairs using approved warranty processes and site documentation Identify project-based opportunities to improve equipment reliability and reduce maintenance costs to increase effectiveness and efficiency by eliminating repetitive, costly or low-value work Maintenance & Reliability Utilize predictive maintenance processes to raise re-work requests and organize any additional maintenance requirements Ensure all materials, parts, personnel, tools, permits and equipment is available for execution when required by the plan Review and audit mechanical repairs and services to ensure compliance with site maintenance schemes Review and report on planning and scheduling, equipment reliability and maintenance department performance Manage tire life cycle by ensuring tires are maintained and repaired in accordance with company policy and best practices as per the tire management system Health, Safety, Environment and Community Assist in the implementation and compliance of HSE plans to ensure safe and sustainable mobile plant and ancillary equipment Provide expert advice in all incident investigations to ensure the root causes are identified and that all the required documentation is reported. If applicable, play an active role in implementing corrective actions in consultation with relevant parties Constantly look to identify hazards and risks through regular inspections, audits, and behavioral observations as per HSE targets and take corrective actions where required Relationship Management Liaise with all internal stakeholders to enhance coordination between the maintenance department, mine leadership, and client groups and minimize interruptions to operations by maintaining strong working relationships with relevant personnel Communicate detailed maintenance plans for scheduled maintenance to maintenance department, mine leadership, and client groups on a weekly basis Coordinate with the offsite maintenance planners to ensure the best business outcomes are achieved Promote prosperous healthy client relationships to network and identify new business opportunities Performs other related duties as assigned WHAT YOU'LL BRING Minimum of 3 years' planning experience in fixed or mobile equipment planning, mining maintenance activities and/or equivalent industrial Surface mining experience, with strong knowledge of fixed plant/mobile maintenance processing and associated maintenance processes in a surface mine operation Understanding of mechanical, electrical, and hydraulic systems within fixed plant or mobile assets Minimum of 5 years' experience in fixed plant equipment maintenance – crushing, material handling, mill/processing- or mobile maintenance equipment (haul trucks, excavators, drillers, support equipment) Expertise in predictive and preventative maintenance techniques Experience with resource allocation and optimizing maintenance workforce efficiency Familiar with Office 365, including strong Excel skills and MS Project skills SAP software experience required Use of Cat SIS and other OEM parts manuals Strong written and oral communication skills Ability to work in a team-oriented environment while being self-motivated and proactive Ability to analyze equipment and processing performance data to identify trends and improvement areas Strong organizational and time management skills to prioritize tasks and meet deadlines Valid US Driver's License Authorization to work lawfully in the USA without sponsorship from Thiess Must be fluent in the English language PHYSICAL REQUIREMENTS Able to lift 50 pounds Able to work in winter and summer conditions with temperatures below zero degrees and 110 degrees Fahrenheit Able to stand for extended periods of time, walk long distances, and climb ladders Able to work for extended 12-hour shifts No auditory or visual impairments restricting the ability to see distances while driving and clearly discern auditory and visual alerts/alarms (not including color blindness) Quick response/reaction times Arm-hand steadiness and manual dexterity EDUCATION Trade or tertiary qualification in mechanical or electrical Training and/or experience in maintenance management and/or maintenance planning processes Vocational training in mechanics, engineering, or related field WHAT WE OFFER A work culture that follows our company values of integrity, accountability, and innovation, all underpinned by safety Comprehensive medical benefits including private health insurance with premium coverage for the employees and competitively subsidized private health insurance for immediate family Employee Assistance Program (EAP) 401K retirement savings benefit with employer matching contributions Career development and opportunities domestic within the US, and potentially international PTO, Paid Holidays ADDITIONAL INFORMATION At Thiess we have a One HSE culture and want to ensure everyone is safe every day: employees, families and society. We are committed to our employees' health and wellness including the prevention of illness Although optional, we have a preference that all Thiess employees are vaccinated against COVID-19 and other serious illnesses Roster : M-F Pay Range: $100,000-$130,000 USD Annual salary (DOE) discretionary annual bonus LEGAL DISCLAIMER If you are selected for a position in the United States, your employment will be contingent upon submission to and successful completion of a post-offer/pre-placement drug test (and alcohol screening/medical examination if required by the role) as well as pre-placement verification of the information and qualifications provided during the selection process. As part of our dedication to the diversity of our workforce, Thiess is committed to Equal Employment Opportunity. Applicants will receive consideration for employment without regard for race, color, gender, religion, national origin, disability, veteran status, military status, age, marital status, sexual orientation, gender identity, genetic information or any other protected group status. We are also committed to providing reasonable accommodations for qualified individuals with disabilities and disabled veterans in our job application procedures. If you need assistance or accommodation due to a disability, you may contact us or have one of your representatives contact us at 1 (801) 300-1909. Privacy Policy disclosure notice here.

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