Construction Project Manager - Subsurface/Underground

Company logo
Hydrostor
Developer and operator of long‑duration energy storage systems using compressed air and water for grid support.
Manage underground construction projects for advanced compressed air energy storage.
3 days ago ago
$100,000 - $160,000
Expert & Leadership (13+ years), Experienced (8-12 years)
Full Time
Kern County, CA
Onsite
Company Size
155 Employees
Service Specialisms
Energy Storage
Sustainability
Hydropower
Environmental Consulting
Technology Solutions
Sector Specialisms
Energy
Utilities
Infrastructure
Renewable Energy
Power Grids
Clean Energy
Energy Storage
Grid Integration
Role
What you would be doing
geotechnical engineering
boring coordination
epc management
drawing revisions
quality control
subcontractor management

As the Construction Project Manager - Underground, you will oversee Hydrostor’s underground projects with a focus on geotechnical engineering, ensuring successful execution from conception to completion. Reporting directly to the VP, Project Execution, you will lead project teams, manage subcontractors, and collaborate closely with the engineering team. Your role will be critical in ensuring projects are completed on time, within scope, and on budget, significantly impacting the company’s operational success and client satisfaction.

  • Subcontractor Management: Manage subcontractor relationships, including selection, contract negotiation, performance monitoring, and issue resolution.
  • Drawing Revisions: Manage and review drawing revisions, ensuring all changes are accurately documented and communicated to relevant stakeholders and contractors.
  • Safety: Ensure the company and contractor operations comply with all relevant local and national health and safety regulations.
  • Schedule and Budget Oversight: Assist with development and maintaining project schedules and budgets, ensuring projects are completed on time and within financial constraints. Manage the change management process.
  • Team Management: Oversee internal project teams, providing guidance, support, and performance management to ensure high productivity and morale.
  • Risk Management: Identify potential project risks and develop mitigation strategies to minimize impact on project timelines and budgets.
  • Geotechnical Focus: Manage projects with a strong geotechnical component, ensuring that all geological and soil-related issues are properly addressed.
  • EPC Management: Oversee the Engineering, Procurement, and Construction (EPC) phases of projects, coordinating activities to ensure seamless project execution.
  • Project Leadership: Lead and manage multidisciplinary project teams, including internal staff and external subcontractors, to ensure project milestones and objectives are achieved.
  • Quality Control: Implement and monitor quality control processes to ensure all project deliverables meet the required standards and specifications.
  • Boring and Mining Coordination: Oversee boring and mining activities, ensuring compliance with safety standards and project specifications as it pertains to underground works..
  • Collaboration with Engineering Team: Work closely with the engineering team to address technical issues, review designs, and ensure project specifications are met.
  • Reporting and Documentation: Maintain comprehensive project documentation and prepare regular status reports for senior management and clients.
What you bring
procore
pmp
ccm
8-10 yrs
geotechnical
risk management

Please Note: We anticipate this individual to be primarily in Denver for the first 6ish months and then need to be on-site in Kern County once construction commences.

The ideal candidate is a seasoned project manager with 8-10 years of experience in the oil and gas industry or renewable energy sector, with a strong geotechnical background. You possess a solid understanding of underground construction, including boring and mining, and have a proven track record of leading successful projects. You are detail-oriented, an excellent communicator, and have a knack for risk management and problem-solving. A team leader at heart, you excel at managing both people and processes to drive project success.

Travel Requirement: Approximately 30-50% depending on location

  • Project Management Information System (PMIS): Become familiar with tools in Procore and become champion for utilization of system throughout project execution.
  • Exceptional organizational, communication, and leadership skills.
  • Strong collaboration skills with the ability to work effectively with engineering and other technical teams.
  • Preferred Certified Construction Manager (CCM) certification and/or Project Management Professional (PMP) certification is an asset.
  • Proven experience in leading and managing project teams and subcontractors.
  • 8-10 years of project management experience in the oil and gas industry or renewable energy sector.
  • Proficiency in project management software and tools (Procore).
  • Bachelor’s degree in engineering, construction management, or a related field.
  • Strong civil, structural and geotechnical background.
  • Excellent risk management skills and experience developing mitigation strategies.
  • In-depth knowledge of EPC delivery strategy, processes and best practices.
Benefits

Work Type: Hybrid work in Denver (3+ days/week in office) and onsite in California (5 days/week)

  • Medical, Dental and Eyecare Benefits
  • Paid Vacation Time
  • Salary $100,000 - $160,000
  • 401K Program - with a match!
  • Discretionary Bonus
  • Employee Share Option Plan
Training + Development
Information not given or found
Interview process
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Visa Sponsorship
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Security clearance
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Company
Overview
$200 million
Investment Round
Raised in early 2025 to scale toward a global project pipeline.
7 GW
Project Pipeline
The company is scaling to develop a global project pipeline of 7 gigawatts.
500 MW
Facility Capacity
Secured a U.S. DOE loan guarantee to build a 500-megawatt facility.
50 years
Project Lifespan
Melds mining and utility tech to deliver a low-impact, long-lasting solution.
  • Pioneered a unique way to store energy—compressing air underground and using water to harness it as electricity.
  • Began with the world’s first commercial Advanced Compressed Air Energy Storage (A‑CAES) plant in Goderich, repurposing a salt cavern to reliably power the grid.
  • Recognized for innovation, earning a 2023 ranking among Canada’s fastest-growing sustainable companies.
  • Typical projects include large-scale facilities in Ontario, California, New South Wales, and Australia’s remote Outback, storing energy for eight hours or more.
  • Bridges intermittent renewable power and demand peaks, offering capacity replacement and transmission deferral.
  • Specializes in grid-scale, long-duration storage, pairing industrial-grade compressed air, water, and thermal storage.
Culture + Values
  • Committed to developing innovative, reliable, and sustainable energy storage solutions that play a key role in accelerating the global transition to renewable energy.
  • Fosters a culture of safety, respect, and accountability in all operations.
  • A team driven by a passion for advancing clean energy solutions and creating long-term value for stakeholders.
Environment + Sustainability
2050 Net Zero
Net Zero Target Year
Aiming to achieve net zero emissions by 2050 to support global sustainability efforts.
  • Committed to clean, sustainable energy solutions contributing to global decarbonization efforts.
  • Develops and deploys energy storage solutions to reduce fossil fuel dependence and integrate renewable energy sources.
Inclusion & Diversity
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