Office Administrator (6 Month Contract)

Posted 24 Days Ago
Be an Early Applicant
Mississauga, ON, CAN
In-Office
Junior
Professional Services • Hospitality • Industrial • Infrastructure as a Service (IaaS)
The Role
Provide administrative support for fleet, facilities, and operations: manage office upkeep, vehicle licensing and inspections, vendor and expense processing, onboarding/offboarding, training and compliance tracking, mail/logistics, digital filing, and routine reporting using Microsoft Office and specialized tracking tools. Temporary 6-month contract.
Summary Generated by Built In
Company Description

WHO ARE WE?

Dexterra Group is a fast-growing, financially strong, publicly listed company (TSX:DXT). We have a far-reaching presence across the entire continent North America with hundreds of full-time and part-time opportunities at any given time. We aim to provide our people with more than just a job – we offer fulfilling opportunities in a culture that promotes stability, diversity and inclusion, camaraderie, employee recognition, work-life balance, and doing what you love. For over 75 years, the companies that began independently, and now form Dexterra Group, have been dedicated to serving North American clients to create and manage built environments that play a vital role in our economy and our local communities. And, that’s something we’re truly proud of. Work That Matters, People Who Care.

Job Description

The Administrative Assistant works independently within a team-oriented environment to provide comprehensive support to the Contract Representative, the Fleet Manager, and the Facilities Management team. This role ensures the efficient flow of business processes, fleet operations, workspace coordination, and safety compliance. The successful candidate maintains meticulous records, drives digital administrative workflows, manages office assets, and serves as the central point of contact while building positive relationships with personnel, vendors, and clients.

Please keep in mind this is a temporary hire (6 month contract).

Core Responsibilities (Things You Are Great At):

  • Office Ownership & Housekeeping: Execute a daily morning walk-around to ensure total office upkeep, monitor the office budget, manage the security system (fob programming), re-establish the visitor sign-in book, and maintain general office, kitchen, and truck supplies.
  • Fleet & Asset Management: Administer vehicle licensing renewals, plate transfers, CVOR requirements, and 407 Transponder inventory tracking; run weekly vehicle inspection and deficiency reports, monitor GPS/Geotab data, and coordinate truck decaling schedules.
  • Financial & Expense Administration: Process vendor purchase orders, manage new vendor setups, execute one-time payment/cheque requests, and assist the finance team with invoice tracking, corporate expenses, weekly Controls Technician expenses, and DOD staff expenses.
  • Onboarding, Offboarding & IT Setup: Coordinate employee onboarding/offboarding lists, set up physical workspaces, order Petro-Canada and Home Depot cards, configure new employee cell phones, set up RingCentral accounts, and issue new ID badges.
  • Training & Compliance Management: Schedule required 3rd party training for technicians, create technician profiles, track professional license renewals (TSSA, ESA), and run monthly training reports to issue compliance reminders. Track Security clearances for employees and Sub-contractors and flag any renewals needed to the Ops team and company CSO for action.
  • HR Support & Employee Tracking: Update employee master lists and organizational charts, manage vacation pay requests, track uniform allocations, and maintain the safety boot tracker.
  • Mail & Logistics: Handle the receiving and shipping of all parcels, check daily mail, and manage corporate hotel and flight travel arrangements.
  • Health, Safety & Contract Compliance: Support safety protocols by tracking WSIB/COI certificates, executing clearances, monitoring the "Don't Walk By" program, and maintaining the specialized team calendar.
  • Digital Data & Reporting: Drive organizational efficiency by moving all files to an eFiling system going forward, assisting with monthly PRM reports, and preparing routine presentations and correspondence.
  • Software Proficiency: Utilize Microsoft Outlook, Word, Excel, PowerPoint, and specialized tracking tools to manage day-to-day department activities.

Qualifications

Qualifications:

  • College Diploma in Office Administration or a related discipline.
  • Minimum of 2 years of secretarial, administrative, or fleet/facilities support experience.
  • Ability to obtain Government of Canada Security Clearance at the Reliability Level (Mandatory requirement).
  • Demonstrated initiative with the ability to work independently as a self-starter.
  • Strong organizational skills to manage conflicting priorities in a fast-paced environment.
  • Familiarity with fleet, safety, or trade compliance monitoring (e.g., CVOR, WSIB, TSSA, ESA) is a strong asset.
  • Proficient use of computers, digital filing systems, landlines, and mobile programming.
  • Documented proof of Worker or Supervisor health and safety awareness training (as per Ontario’s Occupational Health and Safety Act regulations; training can be provided).

Additional Information

WHAT’S IN IT FOR YOU?

  • Be part of an industry that's more important than ever!
  • Employee Referral Program!
  • Career advancement opportunities.
  • Whereas other companies are downsizing, we are growing!
  • Be #1 on day 1 by joining an industry leader.

Dexterra Group is an equal opportunity employer committed to diversity and inclusion. We are pleased to consider all qualified applicants for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, protected veterans’ status, Indigenous status, or any other legally protected factors. Disability-related accommodations during the hiring selection process are available upon request.

#IND1

Skills Required

  • College Diploma in Office Administration or related discipline.
  • Minimum of 2 years secretarial, administrative, or fleet/facilities support experience.
  • Ability to obtain Government of Canada Security Clearance at the Reliability Level.
  • Demonstrated initiative and ability to work independently as a self-starter.
  • Strong organizational skills to manage conflicting priorities in a fast-paced environment.
  • Familiarity with fleet, safety, or trade compliance monitoring (e.g., CVOR, WSIB, TSSA, ESA).
  • Proficient use of computers, digital filing systems, landlines, and mobile programming.
  • Documented proof of Worker or Supervisor health and safety awareness training (Ontario OHSA) — training can be provided.
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The Company
HQ: Mississauga
9,000 Employees
Year Founded: 1967

What We Do

Dexterra Group provides support services for the creation, management, and operation of infrastructure and built assets, offering solutions in facilities management, remote hospitality, access solutions, and forestry services.

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