Oakville, On Senior administrator Jobs – 79 Openings This Week

Registered Veterinary Technician, RVT
Burlington Veterinary Emergency and Referral Hospital —Burlington, ON
- $25–$40 an hour
- Part-time
- In-person
- Communication skills
- Store discount
- Wellness program
Quick apply
Senior Payroll Administrator
Maple Lodge Farms Ltd —Brampton, ON
- $80,000–$85,000 a year
- Full-time
- Microsoft Office
- Bachelor's
- Computer skills
- Dental care
Quick apply
Senior Marketing Advisor, Communications (9 month Contract)
Medavie —Ontario
- $73,465–$100,000 a year
- Remote
- Bilingual
- Marketing
- English
7d
Administrative Professional
Grizzlytrek Group —Oakville, ON
- $38–$45 an hour
- Overtime
- Microsoft Office
- Administrative experience
- Data entry
- Life insurance
Senior Associate, Contracts Specialist
Alvarez & Marsal —Oakville, ON
- $95,000–$140,000 a year
- ERP systems
- Analysis skills
- Bachelor's
Senior Office Administrator
Baylis Medical Technologies Inc. —Mississauga, ON
- $50,000–$60,000 a year
- Hybrid work
- Microsoft Office
- Administrative experience
- High school diploma or GED
- Tuition reimbursement
- Flexible schedule
Quick apply
3d
Office Administrator
Cerelia Bakery Canada LP —Mississauga, ON
- $65,000 a year
- Full-time
- Microsoft Word
- Microsoft Excel
- Microsoft Outlook
- Dental care
- Paid time off
Quick apply
2026-0042 Coordinator - Office of the Corporate Secretary
Electrical Safety Authority —Mississauga, ON
- $107,960.22–$131,922.50 a year
- Full-time
- Hybrid work
- Microsoft Excel
- Microsoft Office
- Administrative experience
6d
Senior Associate, Contracts Specialist
Alvarez and Marsal —Oakville, ON
- $95,000–$140,000 a year
- Full-time
- ERP systems
- Analysis skills
- Bachelor's
Health & Safety Specialist
Burlington Hydro Inc. —Burlington, ON
- $105,000–$120,000 a year
- Hybrid work
- Microsoft Powerpoint
- Microsoft Word
- Microsoft Excel
- Dental care
- Work from home
Senior Contract Administrator, Water
R.V. Anderson Associates Limited —Burlington, ON
- $75,000–$115,000 a year
- Full-time
- Hybrid work
- Engineering
- Supervising experience
- Bachelor's
- Dental care
- Paid time off
Quick apply
Accounts Receivable Administrator
First Onsite —Mississauga, ON
- $46,000–$50,000 a year
- Full-time
- Microsoft Excel
- Microsoft Outlook
- Customer service
- Dental care
Quick apply
Administrative Assistant- MC2
De Havilland —Mississauga, ON
- Full-time
- Microsoft Powerpoint
- Microsoft Word
- Microsoft Excel
- Dental care
- Employee assistance program
Quick apply
10d
HR Administrator Contract ( 1 year)
Messer Canada —Mississauga, ON
- Hybrid work
- Microsoft Powerpoint
- Microsoft Word
- Microsoft Excel
Quick apply
Office Administrator
Community Sports Partners —Etobicoke, ON
- Microsoft Powerpoint
- Microsoft Word
- Microsoft Excel
Quick apply
Jr System Administrator / Data Operations
Enable Healthcare Inc. —Mississauga, ON
- $42,000–$45,000 a year
- Full-time
- Azure
- Computer Science
- AWS
- Paid time off
Quick apply
Business Transformation Advisor - Express Scripts Canada
The Cigna Group —Mississauga, ON
- $95,000–$110,000 a year
- Full-time
- PMP
- Presentation skills
- Bachelor's
- Dental care
Senior Payroll Administrator
HUB International —Oakville, ON
- $75,000–$80,000 a year
- Full-time
- Bilingual
- Microsoft Excel
- English
- Disability insurance
- Paid time off
Sr. Systems Administrator
OpenText —Mississauga, ON
- $67,200–$110,400 a year
- Linux
- Leadership
- Python
- Paid time off
Commissions Administrator (TruStone Financial)
THE EMPIRE LIFE INS. CO —Mississauga, ON
- $50,000–$69,000 a year
- Full-time
- Hybrid work
- Microsoft Office
- QuickBooks
- SharePoint
- Disability insurance
- Dental care
Quick apply