Senior Commissioning Agent (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:
Working on our commissioning team as a Senior Commissioning Agent (Mechanical), you will be providing commissioning services to our clients, which includes both off-site development work and on-site physical verification services. This is an exciting career for someone who is passionate about quality and doing things right and is seeking an opportunity that offers both hands-on field work and office technical development work.
In this role, you will:
Work with the latest cloud-based commissioning technology and software.
Develop detailed functional performance test procedures.
Chair, manage, and attend commissioning related meetings.
Complete onsite commissioning including completing installations inspections, identifying issues, and completing supporting documentation.
Represent VSC Group at commissioning site meetings to present progress status, identify items that are required to be completed by contractors, and answer contractor and client/owner representative questions
You will be a great fit if you have/are:
Familiarity with the commissioning process, including pre-functional testing, functional performance testing (FPT), integrated systems testing (IST), and validation activities (training will be provided).
Understanding of environmental control requirements within CL2 and CL3 laboratories, clean rooms, containment facilities, pharmaceutical environments, healthcare facilities, and mission-critical research spaces.
Strong knowledge of airflow management, pressurization cascades, containment strategies, temperature and humidity control, and environmental monitoring systems.
Proficiency in psychrometrics, heat transfer, fluid dynamics, and HVAC system performance analysis.
Comprehensive knowledge of applicable building, mechanical, plumbing, fuel gas, fire protection, energy, laboratory, and biosafety codes and standards.
Experience with critical environmental control equipment, including AHUs, MAUs, exhaust systems, HEPA filtration systems, BSCs, fan filter units (FFUs), VRFs, heat pumps, chillers, boilers, pumps, cooling towers, heat exchangers, airflow measurement stations, and environmental monitoring sensors.
Understanding of Building Automation Systems (BAS), Laboratory Control Systems (LCS), room pressurization monitoring, and critical alarm management systems.
Experience interpreting and validating Sequences of Operation (SOOs), Control Narratives, Methods of Procedure (MOPs), Cause and Effect Matrices, and Integrated Testing Plans.
Knowledge of airflow visualization testing, room pressurization verification, trend analysis, Testing, Adjusting and Balancing (TAB), and containment performance verification.
Ability to analyze and troubleshoot complex HVAC and control system interactions in clean room and high-containment laboratory environments.
Excellent written and verbal communication skills with the ability to prepare clear technical reports and commissioning documentation.
Ability to respond professionally and effectively in sensitive operational and regulatory environments.
Ability to manage multiple priorities and meet aggressive project schedules and commissioning milestones.
Exceptional attention to detail, organization, and commitment to quality and regulatory compliance.
Required Skills/abilities:
Completion of a Mechanical / Mechatronics Engineering degree / Technologist or Technician diploma in a related field.
5+ years of equivalent MEP construction, commissioning and project management experience.
Computer literacy with MS Office including Word, Excel, and Project.
Ability to work within a team environment.
Ability to work on site/in the field occasionally.
Analytical, problem solving and decision-making skills.
Willing to travel nationally within Canada.
Valid Ontario Driver's license and reliable transportation. Travel throughout Ontario to perform commissioning services will be required.
Reliability clearance required.
Eligible for Federal Government security clearance at Secret (Level II) or Top Secret (Level III) preferred.
Travel : Frequent travel is required.
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.
QualificationsEducationPreferredAssociates or better in Mechanical Engineering or related field.
Bachelors or better in Mechanical Engineering or related field.
ExperienceRequired5 years:5+ years of equivalent MEP construction, commissioning and project management experience.
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