Ontario Account administrator Jobs – 725 Openings This Week

Office Administrator (6 Month Contract)
Dexterra —Mississauga, ON
- $50,000–$55,000 a year
- Full-time
- Microsoft Powerpoint
- Microsoft Word
- Microsoft Excel
Quick apply
Accounts Receivable Administrator
Caldic North America —Mississauga, ON
- $55,000–$60,000 a year
- Full-time
- Hybrid work
- Microsoft Powerpoint
- Microsoft Excel
- Microsoft Access
Quick apply
5d
Construction Accounting Administrator
Manorcore Construction Inc. —Grimsby, ON
- $60,000–$85,000 a year
- Full-time
- Microsoft Excel
- Microsoft Office
- Analysis skills
- Disability insurance
- Dental care
Quick apply
Independent Contractor — Business Development Representative, Northern Ontario
911 Nurses GTA Staffing Agency —Sudbury, North, ON
- $2,500–$4,000 a month
- Contract
- Bilingual
- English
- Travel
- Dental care
- Vision care
Quick apply
Dental Business Administrator
Syed Dentistry —Dunnville, ON
- $25–$30 an hour
- Full-time
- Medical office experience
- Medical terminology
- Dental care
Quick apply
Senior Systems Administrator (Storage Services)
Moneris Solutions —Toronto, ON
- $99,121–$134,522 a year
- Full-time
- Hybrid work
- Windows
- Travel
- Linux
- Tuition reimbursement
- Paid time off
Office Administrator/Bookkeeper
Confidential —Kingston, ON
- Microsoft Excel
- Microsoft Outlook
- Customer service
Quick apply
Network Automation Engineer (On‑Prem)
Moneris Solutions —Toronto, ON
- $142,000–$186,000 a year
- Full-time
- Hybrid work
- Scripting
- Computer networking
- In-person
- Profit sharing
- Paid time off
Office Manager
barrett mechanical —London, ON
- $28–$32 an hour
- Full-time
- English
- Microsoft Office
- Administrative experience
- Dental care
Quick apply
Accounts Receivable & Billing Administrator English/French Bilingual
Richmond Advisory Services —Markham, ON
- $50,000–$55,000 a year
- Immediate opening
- Hybrid work
- Bilingual
- Microsoft Excel
- Customer service
Quick apply
Bilingual Accounting Administrator
Richmond Advisory Services —Markham, ON
- $50,000–$55,000 a year
- Immediate opening
- Bilingual
- Microsoft Excel
- Finance
Quick apply
Payroll & Accounts Payable Administrator (on-site)
A.C. Americas —Mississauga, ON
- $55,000–$60,000 a year
- Full-time
- Analysis skills
- Accounting
- In-person
- Wellness program
- Dental care
Quick apply
Office Administrator
Nelson Granite —Vermilion Bay, ON
- $30 an hour
- Full-time
- Microsoft Excel
- English
- Microsoft Office
Quick apply
Accounts Receivable Specialist
Confidential —Guelph, ON
- From $50,000 a year
- Full-time
- Microsoft Excel
- Customer service
- Administrative experience
- Wellness program
- Dental care
Quick apply
Accounting & Office Administrator
Forest Agri Services Ltd —Forest, ON
- $24–$30 an hour
- Full-time
- Microsoft Excel
- Microsoft Outlook
- Accounting
- Store discount
- Dental care
Quick apply
5d
Office Administrator - Accounting experience
Moffatt Scrap Iron —Campbellville, ON
- $25 an hour
- Full-time
- Administrative experience
- Accounting
- QuickBooks
- Dental care
- Paid time off
Quick apply
Accounts Administrator
Shaw GTA —North York, ON
- $42,000–$48,000 a year
- Full-time
- Microsoft Powerpoint
- Microsoft Word
- Microsoft Excel
- Dental care
- Paid time off
Quick apply
Bilingual Inside Sales Representative/ Représentant(E) Bilingue Des Ventes Internes
Athletic Knit —Toronto, ON
- Up to $55,000 a year
- Full-time
- Hybrid work
- Bilingual
- Microsoft Word
- CRM software
- Disability insurance
- Dental care
Quick apply
Accounting Manager (1 Year Contract)
Lauremont School —Richmond Hill, ON
- $70,000–$100,000 a year
- Full-time
- Microsoft Powerpoint
- Microsoft Word
- CPR Certification
Quick apply
Manager, Investment Operations (Private Markets)
CAAT Pension Plan —Toronto, ON
- $125,800–$157,200 a year
- Full-time
- Management
- Finance
- Bachelor's
- Wellness program
Quick apply

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Office Administrator (6 Month Contract)

Dexterra -
Mississauga, ON

Quick apply

Job details

Full-time
$50,000–$55,000 a year

Qualifications

Microsoft Powerpoint
Microsoft Word
Microsoft Excel
Microsoft Outlook
Filing
Administrative experience
Presentation skills
Organizational skills
College diploma

Full job description

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

Quick apply

Refine Your Search

account administrator jobs in ontario

Office Administrator (6 Month Contract)

Accounts Receivable Administrator

Construction Accounting Administrator

Independent Contractor — Business Development Representative, Northern Ontario

Dental Business Administrator

Senior Systems Administrator (Storage Services)

Office Administrator/Bookkeeper

Network Automation Engineer (On‑Prem)

Office Manager

Accounts Receivable & Billing Administrator English/French Bilingual

Bilingual Accounting Administrator

Payroll & Accounts Payable Administrator (on-site)

Office Administrator

Accounts Receivable Specialist

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Office Administrator - Accounting experience

Accounts Administrator

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Accounting Manager (1 Year Contract)

Manager, Investment Operations (Private Markets)

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