Assistant, Human Resources (Co-op)

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?

The Human Resources Assistant (Co-op) will provide administrative and coordination support to our Human Resources and Operations teams. The Human Resources Assistant is responsible for assisting our HR Operational teams with providing professional, client-centered support within a fast-paced environment as well as supporting our central HR team with program administration, HR process development, policy governance, HR communications, and other transactional activities supporting the business.

What You’ll Do Here:

• Work closely with HR and payroll to ensure all transactions related to the employee life cycle are submitted accurately and within the required payroll deadlines. For example, new hire paperwork, terminations, benefits, compensation changes, taxable benefits, project uplifts.
• Responsible for salary reports and ensuring data accuracy and integrity.
• Investigating and answering employee questions associated with their pay, acting as a liaison between the employee and salary payroll department & hourly payroll department.
• Participate in data audits.
• Generate new and ad hoc HRIS reports as needed by the HR department.
• Support drafting offer letters, onboarding new employees, collecting all new hire paperwork, submission of IT needs, access to software and hardware, and follow up to ensure all needs are in place prior to the employee start date.
• Schedule and coordinate Orientations for new hires for all salary and hourly non-union employees.
• Prepare new Employee Orientation packages and assist in offboarding employees including communication with payroll and IT.
• Act as liaison between HR, new hire and managers regarding onboarding information.
• Participate and lead continuous improvement initiatives.
• Managing HR Inbox as needed with drafting employee verification and reference letters, answering employee’s inquiries, processing health and wellness/green energy benefits, managing Aecon Accolades inquiries, and other HR inbox related activities.
• Send out all post communications to new hires regarding their onboarding information.

What You Bring to the Team:

• Currently enrolled in Human Resources Management program or related field, in a registered co-op program preferred.
• Exceptional organization, attention to detail, with the ability to manage multiple clients and deliverables.
• Strong verbal and written communication skills, including the ability to clearly communicate with various audiences, stakeholders and clients.
• Excellent problem-solving skills.
• Strong customer service skills with the proven ability to develop and maintain effective relationships with team members as well as internal and external stakeholders.
• Professionalism and discretion handling sensitive information a must.
• Demonstrated ability using MS Office applications (Outlook, Word, Excel, PowerPoint).

This role follows a hybrid work model, combining in‑office collaboration and flexibility, with an expectation of three days per week in the office.

Reason for vacancy: New

The expected salary range for this role is $45,000-$48,000 per year

Individual pay is determined based on several factors, including work location, education, experience, unique skills and job conditions. Other considerations may includecertifications, specialized training, and the complexity or scope of the role.

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.