Senior Mechanical Engineer - Nuclear Systems Design

Come Build Your Career at Aecon!

As a North American leader in infrastructure development, Aecon is safely and sustainably building what matters for future generations to thrive! We lead some of the most impactful infrastructure projects of our generation, at the forefront of transformational change in transportation and energy, and partnering every day to build, connect, power, and strengthen our communities.

• Safety Always. Our number one core value. If we can’t do it safely, we don’t do it at all.
• Integrity. We lead by example, with humility and courage.
• Accountability. We’re passionate about delivering on our commitments.

Come Build Your Career at Aecon!

As a North American leader in infrastructure development, Aecon is safely and sustainably building what matters for future generations to thrive! We lead some of the most impactful infrastructure projects of our generation, at the forefront of transformational change in transportation and energy, and partnering every day to build, connect, power, and strengthen our communities.

At Aecon, You Can Count On

• Safety Always. Our number one core value. If we can’t do it safely, we don’t do it at all.
• Integrity. We lead by example, with humility and courage.
• Accountability. We’re passionate about delivering on our commitments.
• Inclusion. We provide equitable opportunities for everyone.

We lead the infrastructure industry with purpose, and our people are at the heart of everything we do. So, we invest in our people, just like they invest in us!

At Aecon We

• Ensure you and your family receive the services needed to support your mental, emotional, and physical well-being.
• Believe in helping you build your career through our Aecon University and Leadership Programs.
• Are committed to supporting and investing in inclusive work environments, through initiatives like Diversity, Equity, Inclusion, & Accessibility training, our Aecon Women in Trades and Aecon Diversity in Trades programs, and our Employee Resource Groups (ERGs) to ensure we are building inclusion into every aspect of our culture at Aecon.
• Are a leader in sustainable construction. With a strong commitment to operating responsibly by minimizing our impact on the environment and surrounding communities.

Our business success relies on strong execution and continuous improvement – driven by the diversity, expertise and teamwork of our people. We’re always searching the globe for innovative, collaborative minds to join our best-in-class Aecon community!

At Aecon Engineering Services Inc. (United), we are a team of engineers, builders, planners, and thinkers that design and build today’s infrastructure, for tomorrow. We come to work every day committed to drive growth and deliver projects that matter for our clients, ourselves, and our communities. Through our work in the nuclear, conventional generation, renewable and power delivery markets, we create resilient infrastructure to last generations.

In December 2024, United Engineers and Constructors was acquired by Aecon Group Inc. Aecon and United have a proven working relationship and the United team continues to operate in the market as an engineering, procurement and construction (EPC) company.

We are looking for a Sr. Mechanical Engineer to support a number of our nuclear power plant projects. The successful candidate will be working as part of a team of engineers and designers preparing modification packages for mechanical systems serving the nuclear power industry.

What You'll Do Here

• Develop design modification packages for mechanical systems at a nuclear power plant.
• Perform engineering calculations such as hydraulic analysis, equipment sizing, HVAC sizing, heat load analysis, and pressure loss calculations.
• Develop mechanical design and procurement specifications.
• Prepare engineering drawings such as Piping and Instrument Diagrams (P&), General Arrangement (GA), Equipment Plan, Piping Orthographic and Isometric drawings.
• Develop material and workhour estimates as well as engineering and design schedules.
• Exercise sound engineering judgment in assessing problem situations or complex issues, review completed work to ensure accuracy and compliance with codes and…