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Salary
$79k – $100k per year
Location
Hybrid (Canada)
Employment
Full-Time

Confirmed on the employer's own hiring board on Nov 5, 2026. First seen by Alion on Nov 2, 2026. Salas O'Brien scores B on the Alion truth index.

Overview
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Salas O'Brien is an employee-owned engineering firm headquartered in Irvine, California. It provides mechanical, electrical and plumbing engineering, structural design, commissioning, energy and sustainability consulting and technology design for buildings and infrastructure. Its clients include data centres, healthcare, education, government, industrial and clean energy facilities, served from offices across the United States. It hires electrical and project engineers, BIM coordinators, co-op students and fabrication engineers.

Commissioning Manager (Mechanical)

At Salas O’Brien we tell our clients that we’re engineered for impact. This passion for making a difference applies just as much to our team as it does to our projects. That’s why we’re committed to living our values every day: inspiring, achieving, and connecting as shared owners of our success with a focus on a sustainable future.

Building for the long-term means that all of our team members can expect to work on amazing projects with a people-first approach to problem solving. It also means that each member of our team has truly limitless potential to build a unique, meaningful, and high-impact career-and they’ll receive great total rewards along the way.

About Us:

Founded in 1975, Salas O’Brien is an employee-owned engineering and professional services firm focused on achieving impact for our clients, our team, and the world. We know that tomorrow’s requirements are today’s opportunities, and we are here to design lasting solutions for pressing challenges.

We work across a variety of industries providing integrated engineering and consulting services. Our specialized experience includes design for data centers, healthcare, science and technology, high-rise buildings, clean energy, education, and other building types as well as structural and building sciences, infrastructure asset management, advanced robotics, and more.

Our technical expertise is paired with an exceptional team of business development, human resources, finance and accounting, information technology, and marketing professionals, all of whom play a key role in bringing our commitments to life every day.

About Our Commissioning Team:

Vertical Start-Up Commissioning Group (VSC) is dedicated to improving facility and system start-ups through effective commissioning practices.

VSC is known in the industry for upholding the highest standards and methods for the commissioning process. Our team of engineers, technicians and technologists with many decades of practical “hands-on” experience ensures that our customers receive fully operational and functioning systems at the time of turnover.

Job Summary:

We are searching for a Commissioning Manager (Mechanical) to work internally with our VSC Cx Team and externally with other Project Team Members to successfully deliver a fully commissioned building to our clients. This opportunity is a hybrid position and will require approximately 50-70% travel, locally and nationally, to commissioning sites.

In this role, you will:

  • Effectively coordinate with general contractors, sub-contractors, vendors and the owner verbally and in writing.
  • Cx Design reviews including OPR, BOD, Plans and Specifications.
  • Perform reviews of submittals and shop drawings.
  • Perform periodic Site Observation Visits during construction and preparing Site Observation Reports.
  • Develop project-specific test scripts including Level 2 Installation Verification Checklists, Level 4 Functional Performance Tests (FPT), and Level 5 Integrated Systems Tests (IST).
  • Conduct onsite execution and witnessing testing.
  • Manage the resolution of Commissioning Issues.

You will be a great fit if you have/are:

  • Comfortable working around live components, equipment, and systems.
  • Familiarity with the commissioning process (training will be provided).
  • Understanding of thermal environments in mission-critical facilities such as hospitals, data centers, and bio contamination labs (CL2/3).
  • Proficiency in psychometrics and heat transfer principles.
  • Comprehensive knowledge of current building, mechanical, plumbing, fuel gas, fire, and energy codes.
  • Experience with equipment such as CRACs, CRAHs, AHUs, RTUs, VRFs, evaporators, heat pumps, boilers, chillers, adiabatic coolers, pumps, sensors, cooling towers, heat exchangers, and flowmeters.
  • Understanding of Building Automation Systems (BAS), Methods of Procedure (MOPs), and Sequences of Operation (SOOs).
  • Knowledge of trend analysis and Testing, Adjusting, and Balancing (TAB).
  • A high-level understating of engineering knowledge, specifically in the built environment.
  • Experience in design and/or construction of hyperscale Data Centers.
  • Excellent written and verbal communication skills.
  • Respond thoughtfully and effectively to sensitive situations.
  • Intermediate analytical skills able be able to analyze relevant information and provide thoughtful solutions.
  • Knowledge and understanding of equipment and systems Sequences of Operations development and documentation for functional test scripts.
  • Equipment start-up and commissioning experience (witnessing contractor activation and functional testing of equipment and systems using functional test scripts).
  • Attention to detail and excellent organizational skills.

Required Skills/abilities:

  • Bachelor's degree in a related field or 5+ years of equivalent MEP construction, commissioning and project management experience.
  • Professional Engineering License preferred.
  • Certification in Building Commissioning preferred.
  • OSHA 10-hour Construction Safety is required.
  • OSHA 30-hour Construction Safety is not required but preferred.
  • Knowledge of Building Automation Systems is a plus.
  • Field experience is preferred.
  • NFPE-70E is Required
  • Ability to read construction drawings.
  • Valid driver’s license and car required.

Location: Remote, Alberta, Canada.

Travel: Frequent travel is required.

Compensation: $110,000 - $140,000

Equal Opportunity Employment Statement

Salas O’Brien provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, colour, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state/provincial, or local laws. Salas O’Brien will accommodate the disability-related needs of applicants as required by law.

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