Office assistant jobs in Halton Hills, ON and nearby

Within 25 km

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Added 20 hours ago
Administrative Clerk for Early Pregnancy Clinic
Procrea Cliniques
Mississauga, ON
Proficiency in using office software such as Microsoft Office Suite and electronic health record (EHR) systems.
Added 20 hours ago
SS
Office Assistant
Sizanid Staffing
Mississauga, ON
- $50,000 to $70,000 CAD / year
- Temporary
Our client is looking for a qualified and motivated Office Assistant to join their growing team. This is an excellent opportunity for an experienced professional to work with a respected…
Added 20 hours ago
Administrative Clerk for Early Pregnancy Clinic
Procrea Cliniques
Mississauga, ON
Proficiency in using office software such as Microsoft Office Suite and electronic health record (EHR) systems.
Added 21 hours ago
A
Part-Time Work At Home Research Panelist. Ideal For Office Assistant.
ApexFocusGroup
Milton, ON
- Part-time
We’re inviting individuals from all backgrounds, including those searching for office assistant roles, to express interest in joining upcoming consumer research studies. These may include…
Added 21 hours ago
A
Part-Time Work At Home Research Panelist. Ideal For Office Assistant.
ApexFocusGroup
Mississauga, ON · Brampton, ON
- Part-time
We’re inviting individuals from all backgrounds, including those searching for office assistant roles, to express interest in joining upcoming consumer research studies. These may include…
Added 21 hours ago
A
Part-Time Work At Home Research Panelist. Ideal For Office Assistant.
ApexFocusGroup
Mississauga, ON
- Part-time
- Hybrid
We’re inviting individuals from all backgrounds, including those searching for office assistant roles, to express interest in joining upcoming consumer research studies. These may include…
Added 21 hours ago
A
Part-Time Work At Home Research Panelist. Ideal For Office Assistant.
ApexFocusGroup
Brampton, ON
- Part-time
- Hybrid
We’re inviting individuals from all backgrounds, including those searching for office assistant roles, to express interest in joining upcoming consumer research studies. These may include…
Added 21 hours ago
A
Part-Time Work At Home Research Panelist. Ideal For Office Assistant.
ApexFocusGroup
Milton, ON
- Part-time
- Hybrid
We’re inviting individuals from all backgrounds, including those searching for office assistant roles, to express interest in joining upcoming consumer research studies. These may include…
Added 4 days ago
Post Office Assistant - Term
Canada Post - Postes Canada
Campbellville, ON
…with Canada Post. We are currently seeking an on-call Post Office Assistant who will use a customer-focused approach when providing counter services to…
Added 12 days ago
JR
Office Assistant
Jumpstart Refugee Talent
Brampton, ON · Caledon, ON
- $26 to $27 CAD / hour
- Part-time
Our employer partner is a Non-Profit organization and currently looking to add an experienced Office Assistant to their team!
Added 1 month ago
JC
Office administration clerk
JOB CONNECTION GROUP INC.
Mississauga, ON
- $18 to $20 CAD / hour
- Full-time
- Contract
- On-site
Added 2 months ago
D
Office Administration Clerk
Dexter
Milton, ON
- Full-time
Day shift: Monday to Friday, 8:00 a.m

No more jobs.

Sizanid Staffing

Office Assistant

Mississauga, ON, Canada

$50,000 to $70,000 CAD / year · Temporary

Apply on jobs.sizanidstaffing.com About employer

Applications open in a new tab.

Job details

Pay: $50,000 to $70,000 CAD / year
Job type: Temporary
Apply by: Dec 31, 2026
Experience: Around 1 years of relevant experience is expected, though we look at the whole application.
Posting language: English
Posted: Oct 2, 2026

Original job description

Now Hiring: Office Assistant

We're hiring on behalf of a leading company in the professional services industry.

Our client is looking for a qualified and motivated Office Assistant to join their growing team. This is an excellent opportunity for an experienced professional to work with a respected organization on a varied workload across the business while building valuable skills and advancing their career.

The ideal candidate is dependable, hardworking, and committed to delivering high-quality work. Our client values safety, professionalism, teamwork, and employee growth and is looking for someone who is ready to make a meaningful contribution to the team.

This role is based on site at our client's Mississauga location.

If you're ready for your next opportunity, we want to hear from you. Apply today to be considered for this position.

What you will be doing

Delivering the day-to-day work of the function accurately and on time
Working with colleagues across the business to keep things moving
Maintaining records, systems, and documentation properly
Identifying where things could work better and saying so

What we are looking for

Relevant experience in a comparable role
Clear communication, written and spoken
The organisation to manage competing priorities
Around 1 years of relevant experience is expected, though we look at the whole application.

The details

Role: Office Assistant
Sector: Professional Services
Location: Mississauga, Canada
Working arrangement: On-site
Employment type: Temporary

About Our Staffing Company

Sizanid Staffing connects skilled professionals with employers across 20+ countries. We work in technology, healthcare, finance, manufacturing, logistics, hospitality and more, placing people into permanent, contract and temporary roles.

Every candidate we put forward is interviewed and assessed by a recruiter before a client sees them, and we stay with you through offer and onboarding rather than disappearing once a CV is sent.

Candidates never pay us a fee. Our fees are paid by the employers who hire through us.

We are proud to be an Equal Opportunity Employer (EOE). All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, age, national origin, protected veteran status, disability status, sexual orientation, gender identity or expression, marital status, genetic information, or any other characteristic protected by law.

How to apply

Apply through this page and a Sizanid recruiter will review your application. If your experience fits, we will be in touch to arrange a first conversation. You will be told exactly who the employer is before any interview takes place.

Sizanid Staffing never charges candidates a fee, and never asks for payment or banking details during recruitment. If anyone claiming to represent us asks you for money, please [report it](https://www.sizanidstaffing.com/legal/report-scam).

Apply on jobs.sizanidstaffing.com About employer

More about this job

Responsibilities

The Office Assistant at Sizanid Staffing's client will deliver day-to-day office work accurately and on time. They will work with colleagues across the business, keep records and documentation in order, and flag ways to improve how things run.

Requirements

Candidates need around 1 year of relevant experience in a comparable role. They must communicate clearly in writing and speaking and manage competing priorities.

Skills

Records maintenance
Documentation
Written communication
Verbal communication
Time management
Prioritization
Teamwork
Process improvement
Administrative support

Keywords

Office Assistant
administrative assistant
office clerk
administrative support
records management
documentation
professional services
temporary
Mississauga
on-site
office administration
clerical

Seniority

Entry level

Languages

English

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