Mechanical Engineer Intern

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, partnerships with Veteran groups, our Aecon Women in Trades and diversity programs, as well as our Employee Resource Groups (ERGs), 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? Aecon’s Civil East sector is a cornerstone of our construction and infrastructure operations, delivering innovative solutions to some of the most complex and impactful projects globally. Renowned for its expertise in heavy civil construction, our Civil East sector specializes in building essential infrastructure that powers economies and enhances communities. Our portfolio features cutting-edge work on bridges, highways, tunnels, and airports to name a few! In the Caribbean region, we are leveraging our expertise and collaborative approach to deliver world-class infrastructure projects tailored to meet the unique needs of the island communities. We are looking for Mechanical Engineer, Intern at Aecon International, you’ll work alongside experienced professionals to streamline project costs and mitigate risks, all while maintaining high standards of quality and adhering to building regulations. This opportunity is available for a work term of up to 12 months. What You'll Do Here

• Assist with mechanical engineering assignments of limited to moderate complexity.
• Prepare mechanical calculations, bill of materials (BOM), and basic engineering drawings using CAD software.
• Support plant data gathering and field walkdowns.
• Maintain detailed design document files.
• Coordinate and support mechanical scopes of work across facilities and systems interfaces.
• Assist with planning, sequencing, and execution of mechanical activities in alignment with the project schedule and construction phasing.
• Review M&E drawings, specifications, shop drawings, and RFIs to identify conflicts, constructability issues, and interface risks.
• Work closely with Project Managers, Superintendents, Engineers, and Subcontractors to resolve technical and coordination issues.
• Track and report progress of M&E installations, inspections, and deficiencies.
• Support testing, commissioning, and system turnover activities, including documentation and close-out requirements.

What You Bring To The Team

• Currently enrolled in a degree programme in Mechanical Engineering.
• Completed coursework in thermodynamics, with power engineering and HVAC preferred.
• Proficient with Microsoft Office (Outlook, Word, Excel, PowerPoint, etc.).
• Experience with graphical design software such as Autodesk AutoCAD.
• Experience working with others in a project team environment.
• Strong technical writing, presentation, and communication skills.
• Ability to work independently as well as in a team environment.
• Ability to prioritize and organize work in a multi-tasked environment.
• Ability to work accurately and effectively under pressure.
• Capability to work both independently and within a team environment.
• Valid driver’s license and ability to travel as required.

Aecon fosters diversity, inclusion and belonging within and across our organization. We welcome all to apply including, women, visible minorities, Indigenous peoples, persons with disabilities, and persons of any sexual orientation or gender identity. We are committed to adhering to the objectives and requirements outlined in the Accessible Canada Act (ACA), and to meeting the accessibility needs of persons with disabilities in a timely manner. Through the implementation of the requirements of the ACA and its applicable regulations, appropriate accommodations will be provided upon request throughout the interview and hiring process. As part of our commitment to fair and transparent hiring practices, Aecon may use artificial intelligence (AI) tools to assist in screening and reviewing candidates. These tools are applied responsibly and in accordance with applicable privacy laws and Aecon’s AI Usage Policy. All final decisions are made by qualified Aecon team members.