Sr. Construction Project Manager

Mariana Minerals is a software-first, vertically integrated minerals company on a mission to supply the critical minerals powering modern energy, AI, and defense technologies. We’re reimagining the minerals supply chain by combining deep industry expertise with advanced software, automation, and data-driven decision-making.

As a Sr. Construction Project Manager, you will play a central role in managing new facility construction, capacity expansions, and major infrastructure projects. You'll oversee contractors and project teams, manage budgets and timelines, and lead both in-field and office-based initiatives to deliver strategic capital projects. Your expertise will be vital to scaling operations safely, efficiently, and on budget.

• Take end-to-end ownership of assigned construction projects, ensuring stakeholder satisfaction and identifying cost efficiencies.

• Direct project delivery from scope development and contractor procurement to construction, commissioning, and project close-out.

• Lead project startup activities including forecasting, budgeting, and job cost tracking.

• Manage major purchase orders with thorough pricing and scope reviews.

• Ensure project compliance with Mariana Minerals standards and company policies.

• Evaluate bids, manage procurement, and negotiate for optimal project outcomes.

• Review plans and technical diagrams to verify all required material and hardware are accounted for.

• Handle change orders and claims, seeking favorable commercial resolution.

• Prepare regular project reports on cost, schedule, risks, and overall quality.

• Maintain open communication with cross-functional teams (QC, QA, commissioning, facilities, operations).

• Oversee contractor performance to ensure achievement of KPIs and deliverables.

• Liaise with regulatory, permitting, and community stakeholders as needed.

• Collaborate with software engineering to advance project management tools and support ongoing automation.

• Mentor junior team members and foster a culture of growth and efficiency.

• Lead a "zero-harm" safety culture, conducting regular safety reviews and toolbox talks.

• Ensure alignment with all HSE plans and regulatory requirements.

• Monitor and manage environmental controls (dust, water, waste) during construction.

• Bachelor’s degree in Construction Management, Engineering, or related field; or equivalent experience.

• 8+ years in construction project management in industrial/mining/processing plants.

• Demonstrated success delivering capital projects of $20M+ on schedule and within budget.

• Skilled in Primavera P6, Microsoft Project, Office Suite, accounting, and estimating tools.

• Proficient at reading and interpreting contracts, engineering documentation, and specifications.

• Strong knowledge of construction practices, industry codes, procurement, electrical fundamentals, and accounting.

• Excellent communication, judgment, and decision-making abilities in dynamic environments.

• Willingness to travel up to 50% to project sites or offices.

• Experience with EPC/EPCM delivery models highly desirable.