Assistant Project Manager Mining
Loenbro · Casa Grande
Update Job Description
Mining Assistant Project Manager
Job Title: Assistant Project Manager - Mining
Department: Operations / Project Management
Reports To: Project Manager
Location: Mining Site / Regional Office
Travel: Frequent travel to mine sites as required
Employment Type: Full Time
FLSA Classification: Exempt
About Loenbro
Loenbro is a trusted, long-term construction lifecycle partner to thousands of customers across the U.S. Our market spans all industries, and our service offerings include Critical Electrical, Mechanical & Structural, Soft Crafts, Inspection, Underground Maintenance and Installation, and Fabrication. Our expertise lies in simplifying the complex and establishing long-standing relationships with our partners. We have a national presence but a local approach—every customer benefits from our capabilities and our care.
At Loenbro, we don’t just offer jobs—we build careers grounded in integrity, teamwork, excellence, and purpose. Join a team where your expertise is valued, your growth is supported, and your work helps maintain and enhance the critical infrastructure that powers communities across the nation.
Position Summary
The Assistant Project Manager supports the planning, coordination, execution, and completion of mining projects while ensuring adherence to safety, environmental, quality, budget, and schedule requirements. This role works closely with project managers, mine operations, engineering teams, contractors, vendors, and clients to facilitate successful project delivery in surface or underground mining environments.
Key Responsibilities
Project Coordination & Execution
- Assist in managing mining construction, infrastructure, expansion, rehabilitation, and capital improvement projects.
- Support development and maintenance of project schedules, budgets, forecasts, and resource plans.
- Coordinate activities between operations, engineering, procurement, contractors, and subcontractors.
- Track project milestones and ensure work progresses according to established plans.
- Participate in project meetings and maintain accurate records, reports, and action items.
- Assist with project startup, execution, commissioning, and closeout activities.
Cost & Schedule Management
- Monitor project costs, labor utilization, equipment productivity, and material expenditures.
- Assist in preparing cost reports, budget updates, and project forecasts.
- Support change order management and contract administration processes.
- Identify schedule risks and recommend corrective actions to maintain project timelines.
Safety & Compliance
- Promote a strong safety culture and ensure compliance with all MSHA, OSHA, company, and site-specific regulations.
- Participate in safety meetings, audits, inspections, and incident investigations.
- Ensure contractor compliance with site safety standards and project requirements.
- Support environmental compliance and permit obligations where applicable.
Contractor & Vendor Management
- Coordinate contractor mobilization, site access, and work execution.
- Assist with procurement activities, vendor evaluations, and purchase order tracking.
- Monitor contractor performance and document project progress.
- Support negotiations related to scope changes and project deliverables.
Reporting & Documentation
- Prepare daily, weekly, and monthly project reports.
- Maintain project documentation, including drawings, schedules, RFIs, contracts, and submittals.
- Track project KPIs and present progress updates to stakeholders.
- Assist with project closeout documentation and lessons learned reviews.
Qualifications
Education
- Bachelor's degree in Mining Engineering, Construction Management, Civil Engineering, Mechanical Engineering, Industrial Engineering, or a related field preferred.
- Equivalent combination of education and mining industry experience may be considered.
Experience
- 2-5 years of project coordination, construction, mining operations, engineering, or related experience.
- Experience supporting capital projects, mine development, processing facilities, or infrastructure projects preferred.
- Familiarity with surface or underground mining operations is highly desirable.
Technical Skills
- Proficiency with Microsoft Office Suite, particularly Excel and Project.
- Experience with project scheduling software (Primavera P6, MS Project, or equivalent).
- Understanding of project budgeting, forecasting, and cost controls.
- Ability to read engineering drawings, specifications, and technical documents.
- Experience with ERP, procurement, or project management systems preferred.
Required Competencies
- Strong organizational and time management skills.
- Excellent verbal and written communication abilities.
- Ability to work effectively in a fast-paced mining environment.
- Problem-solving and critical-thinking skills.
- Strong attention to detail and follow-through.
- Ability to manage multiple priorities simultaneously.
- Collaborative leadership and team-building capabilities.
Physical & Environmental Requirements
- Ability to work in active mining environments, including surface and underground operations.
- Ability to walk uneven terrain, climb ladders, and access operational areas.
- Willingness to travel and work extended schedules when project demands require.
- Ability to wear required personal protective equipment (PPE).
Preferred Qualifications
- Mining industry experience.
- MSHA certification or ability to obtain certification.
- PMP, CAPM, or equivalent project management certification.
- Experience managing contractors in mining, construction, or industrial environments.
- Knowledge of heavy equipment, mine infrastructure, processing facilities, or mine development projects.
Objective: Support the successful delivery of mining projects by coordinating resources, maintaining project controls, promoting safety excellence, and assisting project leadership in meeting operational, financial, and strategic objectives.
Benefits
Loenbro offers a competitive salary, comprehensive benefits package, and rewards to those who join our team:
- Medical, dental, and vision insurance
- 401(k) retirement plan with company match
- Paid time off (PTO)
- Life and disability insurance
- Professional development and training opportunities
- Employee assistance program (EAP)
Benefits eligibility may vary based on employment classification and hours worked.
Guided by Core Values (LEAD), grounded in grit and a commitment to excellence, Loenbro betters our families, customers, and local communities. If you are ready to be part of a company that LEADS by:
- Living with Integrity
- Exceeding Expectations
- Acting with Urgency
- Delivering Excellence
…we want to hear from you.
Loenbro is an Equal Opportunity Employer