Title: Senior Commissioning Manager

Location: Toronto, ON

Job Type: Full-Time – Hybrid (3+ days/week in office)

Travel Requirement: Approximately 10%

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 Senior Commissioning Manager 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 Senior Commissioning Manager is responsible for the planning, coordination, and execution of commissioning activities across Hydrostor’s A-CAES projects. This role ensures that all plant systems-subsurface, surface, and balance-of-plant are safely and effectively commissioned, tested, and transitioned to operations in alignment with project objectives and regulatory requirements.

Reporting to the Senior Director, Engineering Operations, you will work closely with EPCM partners, OEMs, contractors, and internal teams to deliver a fully integrated commissioning program and ensure the plant's operational readiness.

Your Day-to-Day Adventures

- Develop and own the comprehensive commissioning plan for the plant, including both hot and cold commissioning activities across all systems
- Lead end‑to‑end integration of new energy storage assets, ensuring technical, operational, and commercial readiness from project development through commissioning.
- Coordinate with EPC/EPCM contractors to plan, sequence, and execute commissioning activities in alignment with project milestones
- Build and manage the commissioning schedule, working closely with project controls to ensure proper integration with the overall project schedule
- Lead commissioning activities across subsurface systems (including caverns and reservoirs) and above-ground systems, including turbo machinery and balance of plant
- Collaborate with OEMs and vendors to integrate equipment-specific commissioning requirements into the overall plant commissioning strategy
- Ensure mechanical and electrical systems are prepared for commissioning through structured checks, balances, and readiness reviews
- Oversee development and execution of testing programs, including function testing, factory acceptance testing (FAT), and site acceptance testing (SAT)
- Coordinate and support regulatory filings and compliance activities, including documentation for environmental, safety, and grid‑interconnection requirements.




- Coordinate and support asset reporting requirements of lenders and partners
- Manage and coordinate controls and automation activities, including development of logic, block diagrams, and system validation
- Work with regulatory and compliance teams to ensure all permits, approvals, and requirements are in place to enable commissioning and grid connection
- Coordinate with commercial and corporate teams on grid operations, ensuring readiness for synchronization and operational handover
- Monitor commissioning progress, track key risks and issues, and drive timely resolutions to maintain project schedule and performance targets
- Support transition from commissioning to operations, ensuring systems are fully tested, documented, and handed over in a ready state
- Identify opportunities to improve commissioning processes, tools, and execution strategies as Hydrostor scales its project delivery capabilities

Who You Are

We are seeking a hands-on, technically solid commissioning professional who thrives in complex project environments and brings a structured, execution-focused approach to delivering results.

You are highly collaborative and can coordinate across multiple stakeholders, including engineering, construction, vendors, and regulatory bodies. You bring a strong understanding of system integration and commissioning workflows, coupled with the ability to anticipate challenges and proactively solve problems.

What You Bring

- 8–10+ years of experience in commissioning, start-up, or project execution within energy, power generation, or large-scale infrastructure projects
- Bachelor’s degree in engineering (mechanical, electrical, systems, or related discipline); P.Eng. is an asset
- Proven experience developing and executing commissioning plans across complex, multidisciplinary systems
- Proven track record managing commissioning, asset onboarding, or technology deployment in a regulated energy environment.
- Strong turbomachinery experience, including steam turbines, axial compressors, and thermal management systems in heavy process facilities
- Strong understanding of commissioning processes, including system turnover, testing, validation, and operational readiness
- Experience coordinating EPC/EPCM contractors, OEMs, and vendors during commissioning activities
- Knowledge of both mechanical and electrical systems commissioning, including control systems and automation




- Experience with testing protocols such as FAT, SAT, and functional performance testing
- Familiarity with subsurface or underground systems and/or balance of plant systems is an asset
- Strong understanding of regulatory requirements and permitting processes related to commissioning and grid interconnection
- Experience working with project schedules and integrating commissioning activities into broader project timelines
- Excellent coordination, organization, and problem-solving skills, with the ability to manage multiple priorities and stakeholders
- Strong communication skills, with the ability to clearly convey technical information to cross-functional teams and leadership
- Experience supporting safe work practices and ensuring compliance with health, safety, and environmental standards
- Ability and willingness to travel to project sites as required

Compensation Details

- $140,000-175,000 base salary
- Discretionary Bonus
- Paid Vacation Time
- Medical, Dental and Vision Benefits
- RRSP Program – with a match!
- Employee Share Option Plan

To Apply: To apply for this position, submit your resume by clicking “Easy Apply”.

For more information on Hydrostor and the exciting journey we’re on visit our website at www.hydrostor.ca

Equal Opportunity Employer

At Hydrostor, we know that fostering an inclusive workplace, which values diversity, inclusion, and belonging is paramount to our success.

To fulfill our mission, our goal is to attract people who come from all backgrounds and walks of life, who bring diverse perspectives with wide-ranging experiences, and who share in our common passion to drive innovation and change the global energy landscape.

Hydrostor proudly embraces the principles of equal opportunity and inclusion. We are committed to providing opportunities for all employees and candidates. We ensure that all qualified applicants are considered for employment without regard to race, creed, colour, religion, gender, gender identity, gender expression, age, sexual orientation, national origin, marital status, parental, pregnancy, citizenship status, veteran status, disability, or any other protected status protected by applicable law.

Hydrostor is committed to making our application and interview process accessible to everyone, and we encourage applications from people with disabilities. If you require reasonable accommodation at any stage, please contact us at [email protected]. In your application, we welcome you to specify your preferred pronouns (e.g. she/her/hers, he/him/his, they/them/theirs, etc.).

Use of Artificial Intelligence

Hydrostor does not use Artificial Intelligence (AI) tools to screen, assess, or select candidates during the recruitment or interview process.

📌 Senior Commissioning Manager (Toronto)
🏢 Hydrostor
📍 Toronto