Title: Project Engineer – Area Lead (Subsurface and Infrastructure)
Location: Toronto, ON - Hybrid (3+ Days/week in office)
Job Type: Full-Time
Travel Requirement: 20-30% within North America
Position Type: Net New
Join the Future of Reliable Energy
Are you ready to shape the future grid? Hydrostor, a leading energy storage technology and infrastructure company dedicated to developing utility-scale, long-duration energy storage solutions, is seeking a Project Engineer – Area Lead to join our team in Toronto. We’re supporting the development of a more resilient electricity grid and invite you to be at the forefront of this work
Why Hydrostor?
Our cutting-edge A-CAES technology is uniquely poised to revolutionize the energy landscape. Join us as we lead the way in shaping a reliable and secure energy future.
Your Mission
The Project Engineering – Area Lead (Subsurface and Infrastructure) is responsible for the delivery and technical assurance of the subsurface scope, reservoir, early works, and transmission infrastructure. Reporting to the Senior Vice President, Project Engineering, the role works closely with the Project Engineering Director and the Hydrostor project team, along with EPC/EPCM partners, to ensure technical alignment across the project functions.
Performance in this role is defined by engineering leadership and seamless integration of engineering into project functions, enabling safe, constructable, and efficient project delivery.
Your Day-to-Day Adventures
Lead EPC/EPCM delivery of subsurface, reservoir, transmission and early-works engineering scopes, ensuring alignment with basis of design, schedule, cost, quality, and safety objectives
Integrate engineering with procurement, construction,



and commissioning processes to ensure continuity throughout the project lifecycle, including specification and bid evaluations, constructability reviews, commissioning planning and completion walkdowns to ensure technical oversight supportive of safe and effective results
Lead and support the identification, assessment, and mitigation of project risks, ensuring alignment with overall risk management processes
Lead and support design reviews, engineering readiness reviews, and change management to maintain alignment with project objectives and design intent
Oversee studies and site investigations, including instrumentation and monitoring programs, to validate design assumptions and inform decision-making
Support construction and commissioning activities, including field input, timely dispensation of queries and provision of updated materials
Collaborate with the Technology team to ensure design compliance and manage deviations from the basis of design
Identify and drive continuous improvement in engineering delivery and coordination, and support broader project and organizational priorities as required
Who You Are
We are seeking a collaborative and technically strong professional with proven experience in engineering and project delivery, particularly within subsurface and geotechnical environments.




You apply sound engineering judgment to translate complex technical challenges into practical solutions and operate effectively in multidisciplinary team environments. You align stakeholders, manage competing priorities, and maintain a strong focus on safety, quality, and delivery.
Success in this role requires strong problem-solving capability, organizational skills, risk awareness, and a commitment to practical collaboration and continuous improvement across all phases of project execution.
What You Bring
Bachelor’s degree in Geological, Geotechnical, Civil, or Mining Engineering (or equivalent), with eligibility for registration with the Professional Engineers of Ontario; equivalent experience will be considered.
10-15+ years of experience in major capital projects, with strong exposure to subsurface and underground engineering.
Large-scale infrastructure or energy project exposure is an asset.
Solid technical foundation in rock and soil mechanics, ground behavior, geotechnical risk assessment, and site investigations (drilling, sampling, geophysics, and data interpretation)
Experience in underground structures (e.g., caverns, shafts, tunnels), ground support systems (e.g., rock bolts, shotcrete), and water-retaining structures (e.g., reservoirs or dams) is an asset
Familiarity with geotechnical instrumentation, monitoring systems, and interpretation of field performance data
Experience integrating engineering with procurement, construction and commissioning across the project lifecycle; EPC/EPCM experience is an asset
Demonstrated leadership, decision-making, and ability to manage technical complexity, competing priorities, and cross-functional coordination to achieve project objectives
Proven ability to communicate effectively with stakeholders including leadership, clients, consultants, contractors, ve

📌 Project engineer (Toronto)
🏢 Hydrostor
📍 Toronto