Administrative assistant jobs in Mississauga, ON and nearby (315 jobs)
Administrative assistant jobs within 25 km of Mississauga, ON, Canada. Nearby towns and cities are included. Distances are straight-line, not driving distances.
Counted
Hiring at a glance
View jobs- Open jobs
- 315
- Employers
- 194
Advertised starting pay
- Average starting payCAD / hour
- $27.75Across 44 listings
- Average starting payCAD / year
- $53,858Across 34 listings
Employer-advertised starting pay, not employee salaries. Currencies and pay periods stay separate.
Where work happens
- Remote
- 0%0 listings
- Hybrid
- 24%76 listings
- On-site
- 76%239 listings
Employers hiring include University Health Network (24), Quantum Management Services Ltd. (12), Doane Grant Thornton LLP (6).
Sources & calculation notes
These figures describe the listings on this role page at the date shown, not the whole job market. Listings can change.
Employer-listed minimums from at least 10 listings per currency and pay period. These are advertised starting amounts, not employee salaries. Jobs without a minimum and unusual amounts are excluded.
Hybrid and on-site classifications may be inferred from descriptions. Check the original ad. How we count
About these jobs
Before you apply
Compare the office software, language skills and clerical experience requested in each ad. Job Bank lists secondary school and administrative training or previous clerical experience as typical requirements. Individual employers set their own criteria. Job Bank / Guichet-Emplois.
Guidance reviewed on September 16, 2026.
Based on the dated count above. Listings can change. How we count
Administrative assistant jobs in Mississauga, ON and nearby
Within 25 km
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Councillor's Administrative Assistant
City of Mississauga
Under the general direction of the Councillor and functional guidance of the Councillor’s Executive Assistant the Administrative Assistant, Ward 3 will carry out the daily duties of the…
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Senior Administrative Assistant
LGC Group
We are looking for an enthusiastic and self-driven full-time, permanent Senior Administrative Assistant to the EVP to join our LGC Standards team. This position is based out of Vaughan, ON…
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Administrative Assistant, Liens - DPM
Tridel Group of Companies
We are seeking a highly organized and detail-oriented Administrative Assistant, Liens to join our team. Reporting to the appropriate leader, you will play a key role in managing condominium…
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Senior Administrative Assistant
MNP
Make an impact with our Administration team as a Senior Administrative Assistant. This diverse team of professionals directly contributes to the success of the firm by supporting internal…
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Senior Administrative Assistant
HR Associates
…Ontario. We specialize in placing interim professionals and administrative resources within the public, broader public, and not-for-profit sectors. Our consultants bring deep domain…
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Administrative Assistant
Talent Acquisition - Achev
Location: Hybrid, 2 days in office per week at Mississauga [Sussex]; travel within GTA may be required
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Administrative Assistant - Sunrise Kids Dental
123Dentist
The team at Sunrise Kids Dental located in Scarborough, Ontario are looking for a passionate, hard-working Administrative Assistant on a temporary basis.
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Administrative Assistant
TBD
An established professional office in Thornhill is seeking a highly organized, experienced and reliable Administrative Assistant to support daily office operations.
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Senior Administrative Assistant
MNP
Make an impact with our Administration team as a Senior Administrative Assistant. This diverse team of professionals directly contributes to the success of the firm by supporting internal…
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Administrative Assistant II
Robertson & Company Ltd.
Prime Hires is seeking a skilled Administrative Assistant II to join our client in support of an existing vacancy.
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Administrative Assistant II
University Health Network
Provides administrative support to the IPAC department.
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Administrative Assistant
Walker
…the National Sales Manager, you will coordinate a variety of administrative duties in support of OCR. You will utilize well-developed communication, organizational and administrative…
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Administrative Assistant
SPECTRAFORCE Canada
Previous experience working as an Executive Assistant: 2-4 years
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Administrative Assistant (Cityplace)
Foundation Physiotherapy & Wellness
…clinics located in Toronto. We are looking to add a full-time Administrative Assistant at our Cityplace location. This is the ideal job for a passionate and engaging service orientated…
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Administrative Assistant
Talent Acquisition - Achev
We are looking for a dynamic and proactive Administrative Assistant; the successful candidate will utilize their previous experience to proactively support staff members within the…
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Administrative Assistant III
University Health Network
As a valued member of TeamLMP, you will play a key role exercising judgment and independence in the performance of administrative activities. The Administrative Assistant III provides…
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Administrative Assistant II, Medical
University Health Network
The Administrative Assistant II, Medical position supports physicians in DMOH with both clinical and administrative duties. The main function of this position is to support patients and…
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Administrative Assistant
PwC
Reporting to the Admin Services Manager, the Admin Assistant actively supports the day-to-day business activities of stakeholders in a fast-paced, multitasking environment, often working…
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Administrative Assistant II, General
University Health Network
The Administrative Assistant II will work closely within a multidisciplinary team to support patients requiring palliative care. This role will primarily support a team of physicians with…
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Administrative Assistant
Isaac Operations
We are looking for an Administrative Assistant to join our head office team. You'll sit on our Executive Assistant team and provide administrative support across the business, from…
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Admin Assistant CM Concurrent Disorders ACT Team
St. Michael's Hospital
Must have an excellent attendance record
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Administrative Assistant - Contract 6 months Part-Time
WELL Health Diagnostic Centres
Must have strong interpersonal skills and ability to liaise with clients, staff, and external parties
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Administrative Assistant III, Medical
University Health Network
A medical division is looking to hire a Medical Administrative Assistant III for a busy clinic settings and supporting two to three physicians. The candidate exercises considerable…
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Admin Assistant II
Vale Base Metals
We are currently seeking an Adm Assistant II to join our Corporate Office team in Toronto, ON
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Group Administrative Assistant
IT Connex
Our client is looking for a Group Administrative Assistant to provide comprehensive operational, administrative, and workforce management support for their site and leadership team.