Sr. Mechanical Engineer

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We are a North American leader in infrastructure development, safely and sustainably building what matters for future generations to thrive. We lead some of the most impactful infrastructure projects, at the forefront of transformational change in transportation and energy, and partner 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.
• Inclusion – We provide equitable opportunities for everyone.
• Mental, emotional, and physical well‑being support for you and your family.
• Career development through our Aecon University and Leadership Programs.
• Commitment to inclusive work environments and sustainability.

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. After the December 2024 acquisition of United Engineers and Constructors by Aecon Group Inc., the United team continues to operate in the market as an engineering, procurement, and construction (EPC) company.

We are seeking an enthusiastic Sr. Mechanical Engineer with experience supporting Power Generation Projects in our Mt. Laurel, NJ office. Responsibilities include managing the mechanical engineering and design effort on major power projects from conception to construction and final project closeout. The successful applicant can look forward to projects including simple and combined cycle powerplants, and general mechanical system design throughout the United States that require all facets of mechanical engineering.

• Function as the mechanical discipline lead on a project.
• Serve as the mechanical engineer of record for assigned projects, using your professional engineering license to sign and seal mechanical drawings developed under your supervision.
• Develop mechanical calculations, reports, studies, specifications, and design drawings such as equipment arrangement, PFD, AFD, P&IDs, and isometric drawings for water, steam, air, gas, and oil systems.
• Coordinate an interdisciplinary team of engineers and designers to complete project tasks on schedule and on budget.
• Review relevant codes, design documents, specifications, and construction documents to support project development.
• Develop material and work‑hour estimates as well as engineering and design schedules.

• Minimum 10 years of experience in the design of mechanical systems for convention generation (fossil‑fueled) power plants.
• Minimum 5 years of experience in an engineering leadership position.
• Bachelor of Science degree in Mechanical Engineering from a four‑year accredited college or university.
• Experience with industry standard engineering software such as AFT Fathom, AFT Arrow, etc.
• Strong communication and interpersonal skills, capable of collaborating with multi‑discipline engineers and designers.
• Professional Engineering (PE) license in the US.
• MS in Mechanical Engineering is an asset.
• Experience in HVAC and Fire Protection design is an asset.
• Experience with Autodesk Plant3D is an asset.

Aecon fosters diversity, inclusion, and 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), to meeting the accessibility needs of persons with disabilities in a timely manner, and to providing appropriate accommodation under the EEOC upon request throughout the interview and hiring process.

Mid‑Senior level

Full‑time

Engineering and Information Technology

Construction