Project Scheduler

marianaminerals· Project & Construction Management
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📍 Houston, TXFullTime

About this role

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.

 

Our culture is built on three principles:

  • Extreme Ownership – We take full responsibility for outcomes, relentlessly driving toward solutions.

  • Engineer Out Requirements, then Automate – We simplify, optimize, and then automate for scale.

  • Share Your Legos – We collaborate openly, share knowledge, and empower each other to build bigger, better solutions.

Join us as we build the future of responsible mineral sourcing and supply.

 

Position Summary

The Project Scheduler is responsible for developing, maintaining, and analyzing integrated project schedules for engineering, procurement, construction, and commissioning activities. The Scheduler supports project planning, progress measurement, forecasting, and schedule risk analysis to ensure projects are delivered safely, on time, and within budget.

Key Responsibilities

  • Develop and maintain detailed project schedules using Primavera P6 or equivalent scheduling software.

  • Prepare baseline schedules aligned with project scope, execution strategy, and milestones.

  • Monitor project progress and update schedules based on field data and contractor inputs.

  • Perform critical path analysis and identify schedule risks, delays, and recovery opportunities.

  • Support planning workshops, look-ahead schedules, and turnaround/shutdown planning activities.

  • Coordinate with engineering, procurement, construction, commissioning, and operations teams.

  • Prepare schedule performance reports, KPIs, and executive-level presentations.

  • Analyze schedule variances and provide mitigation and recovery recommendations.

  • Ensure schedules comply with company procedures and AACE recommended practices.

  • Support earned value management (EVM) and integrated cost/schedule reporting when applicable.

  • Participate in risk assessments and scenario analysis to support project decision-making.

Qualifications

  • Bachelor’s degree in Engineering, Construction Management, Business, or related field preferred.

  • 5+ years of project scheduling experience in industrial, mining, energy, oil & gas, or infrastructure projects.

  • Proficiency with Primavera P6

  • Knowledge of CPM scheduling techniques and project controls principles.

  • Familiarity with AACE, PMI, and EPC project execution methodologies.

  • Strong analytical, communication, and organizational skills.

Key Competencies

  • Attention to detail and accuracy

  • Strategic thinking and problem-solving

  • Ability to manage multiple priorities and deadlines

  • Strong collaboration and leadership skills

Why Join Us?

At Mariana Minerals, you’ll be part of a mission-driven team reshaping the way critical minerals are sourced and supplied globally. You’ll have the autonomy to make big decisions, the tools to innovate, and a culture that values ownership, smart automation, and collaboration.

Frequently Asked Questions

Is the salary disclosed for the Project Scheduler position at marianaminerals?
The salary for this Project Scheduler role at marianaminerals is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the Project Scheduler position at marianaminerals located?
This Project Scheduler role at marianaminerals is based in Houston, TX. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the Project Scheduler role at marianaminerals full-time or part-time?
This is listed as a FullTime position. It is posted as a Project Scheduler role in the Project & Construction Management department at marianaminerals.
Which team or department does the Project Scheduler at marianaminerals belong to?
This Project Scheduler position is part of the Project & Construction Management department at marianaminerals. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Project Scheduler position at marianaminerals?
Click the "Apply Now" button on this page. You will be redirected to marianaminerals's official application portal hosted on ashby where you can submit your application directly.
When was the Project Scheduler job at marianaminerals posted?
This Project Scheduler position at marianaminerals was posted on Jun 8, 2026. Apply as soon as possible — early applications are often reviewed first.
Project Scheduler
marianaminerals
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