Petrolia, On Administrative assistant Jobs – 12 Openings This Week

Office Administrator / Service Coordinator
All Systems Mechanical —Petrolia, ON
- $18–$25 an hour
- Part-time
- Administrative experience
- QuickBooks
- Data entry
Quick apply
Full-Time Administrative Assistant, Works - Township of St. Clair
County of Lambton —Mooretown, ON
- $27.98–$33.33 an hour
- Word processing
- Computer literacy
- Administrative experience
4d
Office Administrator
Twin Creeks Greenhouse Inc. —Watford, ON
- $22–$25 an hour
- Full-time
- Microsoft Powerpoint
- English
- Administrative experience
- Dental care
- Paid time off
Quick apply
5d
Part-time Administrative Assistant, Works - Township of St. Clair
County of Lambton —Mooretown, ON
- $26.02–$30.91 an hour
- Part-time
- Word processing
- Computer literacy
- Administrative experience
4d
Administrative Assistant
Women's Rural Resource Centre of Strathroy & Area —Strathroy, ON
- From $23 an hour
- Weekends as needed
- Microsoft Powerpoint
- Microsoft Word
- Research
- Dental care
- Paid time off
Quick apply
11d

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Office Administrator / Service Coordinator
All Systems Mechanical —Petrolia, ON
Follow up with customers on inquiries and outstanding invoices. Answer phones and help customers with a friendly, professional approach.
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Office Administrator / Service Coordinator

All Systems Mechanical
Petrolia, ON

Quick apply

Job details

Part-time

Skills

Computer operation
Administrative support experience
Filing
Administrative experience
Schedule management
Client services
Customer service orientation
QuickBooks
Data entry
Customer support
Work order management
Bookkeeping
Communication skills
Client interaction
Office experience

Full job description

Office Administrator / Service Coordinator (Part-Time)

Location: Petrolia, ON
Pay: Up to $25/hour (based on experience)
Hours: Part-time (Monday to Friday, 20–30 hours/week to start)

Come join a growing local company!

All Systems Mechanical Corp. is a locally owned HVAC, refrigeration, and commercial kitchen equipment company serving residential and commercial customers throughout Lambton County and surrounding areas.

We're on the lookout for an organized, dependable, and friendly person to join our team. This is a great opportunity for someone who enjoys keeping things running smoothly, helping customers, and picking up new skills along the way. We’re happy to train the right person!

What you'll do

Answer phones and help customers with a friendly, professional approach.
Schedule service calls and keep our technicians organized and on track.
Manage work orders using Jobber.
Prepare invoices and handle paperwork with care.
Do light bookkeeping and data entry using QuickBooks.
Keep digital and paper files neat and organized.
Handle parts ordering, returns, and help keep inventory in check.
Follow up with customers on inquiries and outstanding invoices.
Support the owner with day-to-day office operations.

We're looking for someone who:

Is organized, detail-oriented, and likes keeping things in order.
Has great communication and customer service skills.
Is comfortable on the computer and excited to learn new software.
Can juggle multiple tasks in a busy, fast-moving environment.
Is dependable, positive, and eager to grow.
Enjoys being part of a small, supportive team.

Experience

Experience in an office, customer service, administration, bookkeeping, or scheduling is an asset, but not required. We’re more than happy to train the right person who’s ready to jump in and learn!

Why work with us?

Friendly, supportive, family-style work environment.
Flexible part-time schedule to fit your life.
Opportunity to grow into a full-time role.
Every day is a little different—no boring routines here!
Be part of a company that values organization, professionalism, and doing things right (and having a good time while doing it).

If you're motivated, organized, and looking for a long-term opportunity with a growing local company, we’d love to hear from you!

Please send your résumé along with a short introduction telling us why you’d be a great fit.

Pay: $18.00-$25.00 per hour

Work Location: In person

Quick apply

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administrative assistant jobs in petrolia, on

Office Administrator / Service Coordinator

Full-Time Administrative Assistant, Works - Township of St. Clair

Office Administrator

Part-time Administrative Assistant, Works - Township of St. Clair

Administrative Assistant

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