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Aecon

Manager, Commissioning

St. Louis, MO, United States

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Job details

Experience: 10–15+ years of power generation, industrial commissioning, startup, construction, or operations experience.
Posting language: English
Posted: Nov 9, 2026

Original job description

Come Build Your Career at Aecon!

Aecon delivers some of the most complex and impactful infrastructure projects - from transformative transportation networks to critical energy, industrial and nuclear programs. The projects we build connect communities and power future generations. With deep roots in North America and a strong footprint internationally, Aecon brings global expertise and proudly serves public and private sector clients through its Construction and Concessions segment.

Safety Always is not only our #1 core value – it is the standard that anchors our culture. We believe the most ambitious projects deserve the most committed people. At Aecon, you won’t just build your career - you’ll help build what matters to enable future generations to thrive.

At Aecon, you can count on:

Safety Always. Our number one core value. The safety of our people, projects, partners, and stakeholders is our priority focus – today and always.
Integrity. We lead by example, with humility and courage.
Accountability. We’re passionate about delivering on our commitments.
Inclusion. We provide opportunities where people feel valued, supported, and empowered to contribute fully.

We deliver infrastructure with purpose, and our people are at the heart of everything we do. Aecon employees are incredibly proud to build some of the most impactful infrastructure of this generation – we call it Aecon Proud.

At Aecon we:

Ensure you and your family receive the services and benefits needed to support your mental, emotional, and physical well-being.
Are intentional when it comes to investing in your development. We help you build your career and advance your skills through our Aecon University, tuition reimbursement, and Leadership Programs.
Are committed to creating work environments focused on mutual respect, teamwork, collaboration, and new ideas, through meaningful initiatives, training, and partnerships with Veteran groups, to ensure we are building with top talent and harnessing our collective strengths within every aspect of our culture.
Operate responsibly by managing risk, safety, and environmental considerations across all our projects and surrounding communities.

Our success is built on the passion, expertise, and dedication of our people. Together, we embrace strong execution, innovation, and continuous improvement - values that come to life through the unique talents and collaborative spirit of every team member. If you’re inspired to make a difference through future-building projects, join our best-in-class team.

What is the Opportunity?

Project Site Commissioning Manager is responsible for planning, directing, and safely executing all pre-commissioning, commissioning, startup, testing, turnover, and operational readiness activities required from construction turnover to commercial operation.

Provides leadership and oversight for all commissioning and startup activities associated with a power generation project, including combined cycle, simple cycle, reciprocating engine, renewable, and conventional thermal generation facilities.

The role serves as the primary interface between Engineering, Construction, Operations, Owners, Vendors, and OEM representatives to ensure systems are tested, validated, and transferred safely and efficiently from construction completion through commercial operation.

What You'll Do Here:

Serve as the primary point of contact for all commissioning and startup matters.
Develop and implement the project Commissioning and Startup Plan.
Establish commissioning procedures, schedules, and turnover strategies.
Define system boundaries and turnover packages.
Coordinate pre-commissioning, commissioning, startup, and performance testing activities.
Develop and maintain commissioning schedules and work plans.
Lead and manage commissioning engineers, startup specialists, operators, and technical advisors.
Coordinate activities between construction, engineering, vendors, subcontractors, and plant operations personnel.
Ensure adequate staffing, training, and resource allocation throughout commissioning phases.
Maintain overall responsibility for commissioning safety performance.
Implement Lockout/Tagout (LOTO), clearance, and hazardous energy control programs.
Conduct risk assessments and commissioning readiness reviews.
Ensure compliance with project HSE requirements and regulatory standards.
Manage the transfer of systems from Construction to Commissioning and from Commissioning to Owner Operations.
Verify completion of punch-list items and turnover documentation.
Coordinate operator training and operational readiness activities.
Ensure systems meet contractual performance requirements before acceptance.
Direct mechanical completion verification activities.
Oversee flushing, cleaning, energization, functional testing, and startup of plant systems.
Manage integrated system testing, first-fire activities, reliability runs, and performance testing.
Validate system performance against design and contractual guarantees.
Coordinate OEM field service representatives and vendor technical advisors.
Interface with client representatives and plant operations personnel.
Prepare regular commissioning reports, schedules, and readiness assessments.

What You Bring to the Team:

Experience

10–15+ years of power generation, industrial commissioning, startup, construction, or operations experience.
5+ years in a leadership role managing commissioning activities on large EPC projects.
Experience with combined cycle gas turbine (CCGT), simple cycle, reciprocating engine, or thermal generation facilities.
Demonstrated experience managing system turnover, testing, and commercial operation readiness.
Basic knowledge of turbines, generators, HRSGs, transformers, switchyards, protection systems, DCS/PLC controls, balance-of-plant systems, fuel gas systems, and water treatment systems.
Applicable industry standards, codes, and safety requirements.

Core Competencies

Leadership and team development.
Startup and commissioning expertise.
Risk management and problem solving.
Contract and stakeholder management.
Schedule and cost control.
Safety leadership.
Written and verbal communication.
Operational readiness planning.

Aecon fosters belonging within and across our organization. We consider all applicants for positions without regard to race, color, religion, sex, national origin, age, mental or physical disabilities, veteran status, and all other characteristics protected by law.

We are committed to adhering to the objectives and requirements outlined in the Equal Employment Opportunity Commission (EEOC), and to meeting the accessibility needs of persons with disabilities in a timely manner, through the implementation of the requirements of the EEOC and its applicable regulations. Appropriate accommodation under the EEOC will be provided upon request throughout the interview and hiring process.

Aecon is committed to ensuring all job postings are compliant with all applicable laws. Any candidate who has a concern regarding the contents of this or any other job posting can email aecon@aecon.com.

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More about this job

Skills

Leadership
Lockout/tagout
Regulatory compliance
Documentation
Cleaning
DCS
PLC
Fuel gas
Team building
Risk management
Problem solving
Stakeholder management
Communication skills

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