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Office Administrator/ Coordinator Business Management

Administrator, Project

Job in Whitchurch-Stouffville, Markham, Ontario, Canada
Listing for: Aecon
Full Time position
Listed on 2026-02-25
Job specializations:
  • Business
    Office Administrator/ Coordinator, Business Management
Salary/Wage Range or Industry Benchmark: 50000 - 65000 CAD Yearly CAD 50000.00 65000.00 YEAR
Job Description & How to Apply Below
Location: Whitchurch-Stouffville

Come Build Your Career at Aecon!

As a Canadian leader in infrastructure development, Aecon is and building what matters for future generations to thrive! We lead some of the most impactful infrastructure 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 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 Oportunity?

    Faster.

    Smarter.

    Safer.     This is how Aecon Utilities is committed to delivering projects. As part of our Aecon Utilities sector, Aecon Telecommunications (Telecom) works with major providers across North America to assist with turnkey fiber installation, 5G network expansions and servicing legacy networks.

    As a Project Administrator, you will play a key role in supporting project teams by ensuring effective site‑level administrative operations. Working from a site trailer or office, you will provide accurate, timely processing of documentation, payroll, and purchasing activities while maintaining strong communication with Operations, Payroll/HR, Finance, and Accounts Payable teams. Your work supports multiple projects across Ontario and contributes to the smooth, efficient flow of project information.

    What You'll Do Here:

  • Perform daily or weekly processing of timesheets, equipment usage, personnel allowances, and related documentation, ensuring accurate transfer to Accounting.
  • Interpret and apply organizational policies, rules, and regulations to support project teams.
  • Set up accounts with local suppliers and manage miscellaneous site purchases.
  • Establish and dismantle site offices as needed, ensuring efficient setup and closure.
  • Maintain organized filing systems and complete requisitions and AP invoice processing.
  • Process employee payroll daily with accuracy and attention to deadlines.

    • What You Bring to the Team:

  • Post‑secondary education preferred, with 2+ years of office experience including purchasing, accounts payable, and payroll. Basic accounting knowledge required.
  • Intermediate skills in MS Word and Excel; SAP experience considered an asset.
  • Strong communication skills with the ability to interact tactfully with employees, visitors, and suppliers.
  • Ability to work independently in a fast‑paced, deadline‑driven environment while maintaining strong teamwork and prioritization skills.
  • Safety training and construction industry experience are assets.

    • The expected salary for this position is $50,000-$65,000. Individual pay is determined based on several factors such as work location, education, experience and unique skills.

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