Administrative Assistant

Aecon Concessions; Toronto; On-site; CAD 40,000 - 55,000; Full time

Job summary

A leading infrastructure development company in Toronto is seeking an Administrative Assistant for a 12-month contract. The role involves providing essential administrative and clerical support across departments, requiring excellent organizational skills and discretion. Ideal candidates will have at least 2 years of experience, be proficient in MS Office, and possess strong communication skills. Inclusive workplace culture focused on diversity and accessibility is emphasized.

Benefits

Inclusive workplace culture

Access to professional development programs

Support for mental and physical well-being

Qualifications

• Minimum 2 years of administrative related experience.
• Ability to work independently with accurate data input.
• Must be able to deal with sensitive customer issues confidentially.

Responsibilities

• Provide administrative and clerical support with speed and accuracy.
• Process invoices in a timely manner and handle claims processing.
• Perform general clerical duties including filing and mailing.

Skills

Administrative support

MS Office proficiency

Knowledge of SAP

Excellent communication skills

Attention to detail

Tools

MS PowerPoint

MS Word

MS Excel

Concur

Job description

Date: Oct 21, 2025

Location: Toronto, ON, CA

Operating Sector: Concessions

Position Title: Administrative Assistant

Come Build Your Career at Aecon!

As a Canadian 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.

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 Equity, Diversity & Inclusion 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!

What is the Opportunity?

As the Administrative Assistant, you will play a key role in ensuring the smooth operation of day-to-day administrative functions across departments. The Administrative Assistant will demonstrate professionalism, discretion, and a proactive approach to supporting internal teams and client-facing activities. Please note this is a 12-month contract.

What You’ll Do Here:

• Provide administrative and clerical support with speed and accuracy
• Perform and maintain daily documentation
• Process invoices in a timely manner and Handle claims processing
• Maintain and organize document files
• Perform general clerical duties; photocopying, faxing, mailing, filing and couriers etc
• Provide administrative support to various departments as needed. Such as assisting with client meetings, creating presentations and packages.
• Assist with client meetings
• Administers office and safety supplies, stationary
• Suggest and implement improved work methods and systems relating to administrative tasks
• Performs other duties and responsibilities as required

What You Bring to the Team:

• Minimum 2 years of administrative related experience
• Excellent computer skills using MS Office products, including MS PowerPoint, Word and Excel
• Knowledgeable in SAP and Concur
• Ability to work independently, accurate computer data input and record keeping
• Attention to detail, excellent organizational skills, and discretion with confidential information
• Ability to problem solve and work independently
• Must be able to deal with sensitive customer issues in a confidential manner
• Strong communication skills, dealing tactfully with employees, visitors and customers
• Problem solving, planning and organizational skills, ability to prioritize tasks, work to timelines

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.