Petawawa, On Administrative assistant Jobs – 8 Openings This Week

Administrative Assistant (Project Management)
Defence Construction Canada —Petawawa, ON
- $51,566–$67,035 a year
- Microsoft Excel
- ERP systems
- English
- Disability insurance
- Paid time off
9d
Administrative Assistant
Canadian Nuclear Laboratories —Chalk River, ON
- Microsoft Powerpoint
- Microsoft Word
- Microsoft Excel
- Paid time off
NU13-2026-07-29 Administrative Assistant
Deep River and District Hospital —Deep River, ON
- $51,688–$57,431 a year
- Full-time
- Microsoft Word
- Microsoft Excel
- Microsoft Outlook
23h
Administrative Assistant - Mess
CFMWS —Petawawa, ON
- $19.07–$23.79 an hour
- English
- Administrative experience
- High school diploma or GED
- Disability insurance
- Dental care
5d
Senior Administrative Assistant
Canadian Nuclear Laboratories —Chalk River, ON
- Full-time
- Microsoft Excel
- Administrative experience
- No university degree
- Paid time off
Floater Administrative Assistant
Canadian Nuclear Laboratories —Chalk River, ON
- Full-time
- Hotel
- Administrative experience
- High school diploma or GED
- Paid time off
OPSSUP32-2026-07-28 Clerical/Support 1
Deep River and District Hospital —Deep River, ON
- $23.00–$25.56 an hour
- Part-time
- Microsoft Word
- Microsoft Excel
- Customer service
- COVID-19 protective measures
1d

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Administrative Assistant (Project Management)
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Administrative Assistant
Canadian Nuclear Laboratories —Chalk River, ON
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Property Administrative Assistant (Part-Time) - Oshawa
Sterling Karamar Property Management —Oshawa, ON
Ensure effective and precise electronic filing of all relevant documents. Prepare bank deposits and ensure proper filing of receipts.
$24,000–$26,000 a year
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Administrative Assistant (Project Management)

Defence Construction Canada
Petawawa, ON

Apply Now

Job details

9 days ago

Benefits

Disability insurance
Paid time off
Employee assistance program

Skills

Computer operation
Microsoft Excel
Operating systems
ERP systems
English
Microsoft Office
Databases
Administrative experience
Accounting
Pivot tables
College diploma
Business
Accounting

Full job description

Who Can Apply?:

Internal (DCC Employees) and External (General Public)

Salary Range:

$51,566 - $67,035

Employment status:

Term

Flexible work option:

Hybrid (4 days/week)

Term Length:

18 months

Security Level:

Secret

Language Requirement:

English Essential

Closing Date:

04/08/2026

Country:

Canada

The Administrative Assistant coordinates and carries out administrative activities for the Project and Program Management service line for employees at all levels of the business unit. Leveraging their knowledge of the construction industry, the incumbent provides high-quality, timely, efficient and effective services, including entering and reporting data, and carrying out document and records management for defence projects and programs across the southern Ontario region. The incumbent also coordinates the preparation of human resources documentation.

KEY AND PERIODIC ACTIVITIES
The duties and responsibilities listed below are representative but not all-inclusive:
Primary

Provide daily administrative and operational support to employees at all levels of the business unit
Coordinate and provide administrative support and guidance to new administrative assistants to ensure consistency of business unit or service line requirements
Carry out quality control of data entry (e.g. monthly expenses, timesheet reporting, accounts payable, service billing)
Enter data related to service line transactions and activities in enterprise resource planning system (e.g. budget tracking, time entry, procurement, contract administration)
Track budgets for service level agreements and training and development
Process account payables and vendor payments, ensure proper financial coding, obtain delegated signatures and enter data in enterprise resource planning system
Prepare year-end financials, set up files and databases for new fiscal year, archive files

Other

Take and prepare minutes of monthly meetings
Prepare purchase orders (e.g. for office supplies, furniture, service contracts)
Perform receptionist duties and act as backup for other administrative employees, as required
Other duties as assigned

SKILLS
General and Specific Knowledge

Administrative best practices
Project accounting principles
Intermediate MS Office expertise, with demonstrated advanced skills in MICROSOFT EXCEL (Pivot Tables, V Look-ups, etc.)
Records management

Formal Education and/or Certification(s) and Experience

Minimum: college diploma in business or office administration or related field with three years’ relevant experience, or the equivalent
Preferred: minimum requirements and general accounting courses and/or basic accounting experience

Abilities

Use applicable computer software and operating systems
Manage multiple deadlines and priorities
Demonstrate attention to detail

DEVELOPMENT AND LEADERSHIP

Provide functional advice and guidance to employees
Occasionally coordinate work of other administrative staff in business unit

WORKING CONDITIONS

Typical office environment (in office 3-4 days a week) with occasional travel

Check out your benefits
Working with us offers excellent opportunities for growth and advancement—and entitles you to one of the job market’s best benefits packages valued at between 25 and 30% of your salary.

Your package includes:

Health and Wellness

$400 wellness allowance to help cover expenses such as a gym membership
$2,500 for mental health services on top of regular $2,500 paramedical coverage
Telus Virtual Health Care

Home and Family

Life, accidental-death, and short-term disability insurance
Enhanced inConfidence employee and family assistance program
Flexible workplace options, including $400 allowance every two years, to support working from home

Leave and Retirement

Public-service pension
Comprehensive vacation and other paid-leave plans, along with enhanced travel benefits coverage

To begin a career with Defence Construction Canada (DCC), you must be a Canadian Citizen or a permanent resident of Canada. As a condition of employment with DCC, a minimum reliability security status clearance is required and some roles may require secret security status clearance.

DCC is responsible for the Personnel Security Clearance process. Typically to be eligible for a "Reliability" clearance, you must have five years of verifiable background information and to be eligible for a "Secret" clearance, you must have 10 years of verifiable background information. The process usually involves reference inquiries, verification of qualifications, criminal records checks, and credit checks (as required) and may require fingerprints. For more information about obtaining a security clearance, please review the Standard on Security Screening.

The appropriate security clearance is a condition of employment and it is the candidate’s or employee’s responsibility to ensure, they are able to obtain and maintain their required security level clearance to begin or continue their employment with DCC. Failure to obtain or maintain, the appropriate level of security clearance means either the candidate or employee will not receive a job offer, the conditional offer will be rendered null and void or their employment will be terminated with cause. A thorough security clearance process will be applied to all candidates or employees considered for an appointment; this process includes inquiries, verifications and assessments regarding matters such as, but not limited to:

criminal record checks

reference checks

previous employment

open source checks

credit/financial status

DCC's Code of Business Conduct (Code) is a condition of employment. It serves to enhance public confidence in the integrity of DCC Employees and provides clarity to Employees on a number of issues, including real or perceived conflicts of interest. Before applying to this (or any) position at DCC, candidates shall familiarize themselves with the Code, because new employees are required to certify that they have read, understood, and agreed to observe the Code upon commencing work at DCC. Employees are further required to review their obligations under the Code and notify the President's Office of any changes in their circumstances at the earliest possible opportunity, and to complete the Annual Update once a year.

Be part of a diverse and inclusive workplace!

Roles at DCC will require security at various levels including Reliability, Secret, Top Secret and for Canadian Eyes Only (proof of Citizenship required). While we welcome applications to our roles who are not Canadian citizens who are eligible to work in Canada and have at least 5 years of verifiable background information, selection will depend on the specific role’s requirements.

At DCC, we are committed to ensuring everyone has a voice and can be their authentic selves in our workplace. We actively encourage applications from all, including but not limited to, women, Indigenous Peoples, persons with disabilities, visible minorities and members of the LGBTQ2+ community.

DCC’s goal is to provide barrier-free access to employment opportunities and workspaces for employees and candidates. If you require an accommodation for the recruitment/interview process (including alternate formats of materials, accessible meeting rooms or other accommodations), please let us know and we will work with you to meet your needs. Should you require accommodation, please email [email protected].

Apply Now

Refine Your Search

administrative assistant jobs in petawawa, on

Administrative Assistant (Project Management)

Administrative Assistant

NU13-2026-07-29 Administrative Assistant

Administrative Assistant - Mess

Senior Administrative Assistant

Floater Administrative Assistant

OPSSUP32-2026-07-28 Clerical/Support 1

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