Administrative clerk Jobs

Executive Administrative Assistant
Ontario Power Generation —Oshawa, ON
- $57,000–$85,500 a year
- Contract
- Microsoft Powerpoint
- Microsoft Word
- Microsoft Excel
7d
Office Administrator (6 Month Contract)
Dexterra —Mississauga, ON
- $50,000–$55,000 a year
- Full-time
- Microsoft Powerpoint
- Microsoft Word
- Microsoft Excel
Quick apply
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
Administrative Support 4 - FTR
BC Centre for Ability —Vancouver, BC
- $29.66–$32.41 an hour
- Immediate opening
- Hybrid work
- Microsoft Powerpoint
- Microsoft Word
- Microsoft Excel
Quick apply
Administrative Assistant/Data Entry Clerk
Teamsters Canada Rail Conference —Edmonton, AB
- $26–$30 an hour
- Temporary
- Microsoft Word
- Microsoft Excel
- Customer service
- Dental care
Quick apply
10d
Data Entry Clerk
British Columbia Centre for Excellence —Vancouver, BC
- $43,758–$54,697 a year
- Full-time
- Oracle
- Microsoft Office
- Databases
Medical Office Assistant
Hearing Care Clinic —Victoria, BC
- $25–$27 an hour
- Part-time
- Customer service
- Medical office experience
- Administrative experience
- Dental care
- Vision care
Quick apply
13d
Office Assistant
Squamish Medical Clinic —Squamish, BC
- $21–$24 an hour
- Immediate opening
- Customer service
- Administrative experience
- Front desk
- Dental care
- Paid time off
Quick apply
7d
Veterinary Office Assistant
Prairie Veterinary Dental Services —Edmonton, AB
- $18–$22 an hour
- Part-time
- Microsoft Word
- Laboratory experience
- English
- Store discount
- Wellness program
Quick apply
Senior Law Clerk & Law Office Manager
Rashidy & Associates —Mississauga, ON
- $65,000–$85,000 a year
- Full-time
- Microsoft Excel
- Microsoft Outlook
- Microsoft Office
Quick apply
Accounting Clerk/Administrative Assistant
Wolfenburg Roofing —Gatineau, QC
- $36,558.80–$48,995.84 a year
- Part-time
- Microsoft Excel
- Oracle
- English
- Dental care
- Paid time off
Quick apply
4d
Residential Real Estate Law Clerk - Full-Time in Office
Hometown Law —Hamilton, ON
- $60,000–$67,000 a year
- Full-time
- Writing skills
- Research
- Microsoft Office
- Dental care
- Paid time off
Quick apply
Dental Secretary
Cartier Dental Clinic —Westmount, QC
- From $25 an hour
- Full-time
- Administrative experience
- Organizational skills
- EMR systems
- Dental care
Quick apply
10d
Administrative Accounting Assistant
Kelowna Mercedes-Benz —Kelowna, BC
- $4,333.33 a month
- Full-time
- Microsoft Word
- Microsoft Excel
- Microsoft Outlook
- Store discount
- Disability insurance
Quick apply
Client Service, Administrative and Accounting Assistant
Opus Academy —Vancouver, BC
- $3,500–$4,000 a month
- Weekends as needed
- Customer service
- English
- Bachelor's
- Dental care
- Vision care
Quick apply
1d
Office Administrator/Bookkeeper
ABC Waste Potties —Calgary, AB
- $26–$30 an hour
- Full-time
- Microsoft Powerpoint
- Microsoft Word
- Microsoft Excel
Quick apply
Dental Administrative Assistant
Gardner Patel Dental Group —Burlington, ON
- $25–$30 an hour
- Part-time
- Microsoft Word
- Google Suite
- English
- Dental care
Quick apply
6d
Office Administrator
50th Parallel Estate Winery —Lake Country, BC
- From $50,000 a year
- Weekends as needed
- Microsoft Office
- Finance
- Administrative experience
- Store discount
- Paid time off
Quick apply
Surgical Office Assistant - Department of Surgery
University Medical Group - Department of Surgery —Winnipeg, MB
- From $25.66 an hour
- Temporary
- Microsoft Powerpoint
- Microsoft Word
- Microsoft Excel
- Dental care
- Paid time off
Quick apply
Office Administrator
Sotheby's International Realty Canada —Port Carling, ON
- $42,500–$47,500 a year
- Full-time
- Microsoft Powerpoint
- Microsoft Word
- Google Suite
- Disability insurance
- Dental care
Quick apply

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Executive Administrative Assistant

Ontario Power Generation -
Oshawa, ON

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Job details

Contract | Fixed term contract
$57,000–$85,500 a year
7 days ago

Qualifications

Microsoft Powerpoint
Microsoft Word
Microsoft Excel
Microsoft Outlook
Post-secondary education
Administrative experience
Business development
Communications
Proofreading
Business
Communication skills

Full job description

Location: Oshawa, ON, CA, L1H 4P7

Req ID: 57386

Status: Contract (up to 24 months)

Working Conditions: On-site

Education Level: Post secondary diploma/degree in Business Administration, Communications, or a related field preferred

Base Location: Oshawa, ON

Shifts(s): Days

Travel: 10%

Deadline to Apply: July 13, 2026

Salary Range: $57,000.00 - $85,500.00 Per Year

Electrify your career and help build a brighter tomorrow.

Every generation has a challenge that defines them. At OPG, we are calling on all innovators, disruptors, thought leaders and change-makers. Join us as we work to electrify life in one generation and build a sustainable future powered by our electricity, our ideas, and our people. Join OPG and make history.

Whether you work in the skilled trades or are a business professional, a career at OPG is an opportunity to electrify your life on - and off - the job.

JOB OVERVIEW

Ontario Power Generation (OPG) is looking for a dynamic, strategic and results-driven professional to join our team in the role of Senior Executive Administrative Assistant.

Reporting to the SVP Nuclear Sustainability Strategies, this position is responsible to provide comprehensive executive support—including travel coordination, expense management, calendar oversight, meeting documentation, and stakeholder relations—to senior Hydro business development leaders, leveraging advanced administrative skills and professionalism.

KEY ACCOUNTABILITIES

Prepare, submit, and track detailed expense reports primarily through Concur, ensuring accuracy, timely processing, and strict adherence to company policies.
Proactively manage multiple executives’ calendars, including scheduling meetings across time zones, resolving conflicts, and collaborating with other administrative staff to ensure alignment and availability.
Organize, attend, and document key meetings by preparing agendas, taking accurate minutes, tracking action items, and distributing follow-ups as required.
Draft, proofread, and format correspondence, reports, and presentations using Microsoft Word, Excel, and PowerPoint; ensure all documents meet corporate standards.
Build and maintain strong working relationships with internal and external stakeholders, acting as a professional representative for the executive team and facilitating smooth communication.
Maintain efficient office systems, suggest improvements to administrative processes, and support the smooth operation of the business development group.
Handle sensitive information with discretion and maintain a high level of professionalism in all interactions, leveraging 7–10 years of executive support experience to anticipate needs and resolve issues proactively.

QUALIFICATIONS

Post secondary diploma/degree in Business Administration, Communications, or a related field preferred.
Over 7 years experience working with managing calendars, processing expense reports coordinate and book complex travel arrangements (flights, hotels, transportation) for senior managers and directors.
Proven expertise in coordinating complex travel arrangements and managing expense reports, with strong proficiency in Concur or similar systems.
Advanced skills in calendar management, meeting scheduling, and collaboration tools such as Microsoft Outlook, Teams, and Office Suite (Word, Excel, PowerPoint).
Exceptional written and verbal communication skills, with experience drafting, proofreading, and formatting professional documents and correspondence.
Strong relationship-building and interpersonal skills, demonstrating professionalism and discretion when interacting with stakeholders at all levels.
Highly organized with a proactive approach to office management, process improvement, and the ability to maintain confidentiality in handling sensitive information.

The successful candidate will exhibit uncompromising integrity and commitment to upholding corporate values, and the OPG Code of Business Conduct.

OPG is committed to fostering an inclusive, equitable, and accessible environment. If you require accommodation during the selection process, please contact [email protected]

What makes a career at OPG different?

With operations across Ontario and the United States, OPG is one of the most diverse power producers in North America. As the largest generator in Ontario, we meet approximately 50% of the province’s electricity needs, largely from low-carbon sources like nuclear and hydro.

As we work to achieve our vision of Electrifying life in one generation, OPG and our family of companies are also helping advance the development of new low-carbon technologies such as Small Modular Reactors (SMRs), refurbishment projects, and electrification initiatives to help power the growing demands of a growing economy. Join OPG and make history.

Please submit your application online at https://jobs.opg.com/. OPG thanks all those who apply; however, only candidates considered for an interview will be contacted.

Please note: All job postings at OPG are to fill existing vacancies within our organization.

OPG may use artificial intelligence (AI) tools as part of the applicant screening process. However, applications will also be reviewed by a member of our Recruitment team to ensure a fair and thorough assessment.

The base salary range considers many factors including, but not limited to experience, education, and training, including any collective agreement requirements for union represented positions. It is not typical for the salary to be offered near the top of the range, and salary is dependent on numerous factors. For management roles, the base salary range does not represent the total compensation package. The total compensation package for regular full-time management roles includes pay-for-performance programs for annual and medium time periods. Maintaining a high-performance culture and excellence is a core expectation of every member of our leadership team and is rewarded through the established compensation framework.

OPG is committed to employment equity. As such, we encourage applicants from equity-seeking communities (Indigenous Peoples, racialized persons, persons with disabilities, and women). We strongly believe that alleviating the under-representation of equity-seeking individuals will create a stronger OPG team and allow us to better serve the needs of our diverse communities.

In order to fulfill the above-mentioned purpose, priority in hiring may be given to qualified persons who self-identify as a member of equity-seeking groups as identified in the application process. This initiative constitutes a special program under the Human Rights Code/Canadian Human Rights Act.

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