Office Administrator - Part Time

At Horizon Contracting Group, we know that great operations start with great people. We’re looking for a highly organized, detail-oriented, part time Office Administrator to help keep our office running smoothly while creating a welcoming and professional experience for staff, clients, and visitors alike.

As the first point of contact for our office, this role is perfect for someone who enjoys variety in their day, thrives in a fast-paced environment, and takes pride in keeping things organized and running efficiently.

What You’ll Do

Reception & Office Support

• Answer and redirect incoming calls and emails
• Welcome visitors and act as the first point of contact for the office
• Manage incoming/outgoing mail, courier deliveries, and packages
• Maintain office, kitchen, and supply inventory
• Coordinate office supplies, stationery, printers, and general office upkeep

Bookkeeping & Administration

• Support project financial tracking and reporting
• Manage accounts payable, invoice processing, and vendor coordination
• Complete bank and credit card reconciliations
• Maintain accurate records in QuickBooks
• Assist with budgeting and administrative reporting

Team & Event Coordination

• Support company memberships and industry association coordination
• Assist with management participation in events and initiatives
• Support People & Culture with team-building and employee engagement activities
• Assist with special projects and administrative tasks as assigned

What You’ll Bring

• Minimum 3 years of office administration experience
• Strong organizational and multitasking abilities
• Excellent communication and customer service skills
• Strong attention to detail and problem-solving mindset
• Ability to prioritize competing tasks and meet deadlines
• Proficiency with Microsoft Office Suite and QuickBooks
• Positive, proactive attitude with a team-first mindset

A valid driver’s license is considered an asset.

Compensation & Benefits

• $25–$30/hour based on experience (20-25 hours per week)
• Extended health, dental and vision after 90 days
• RRSP matching after 1 year
• Company bonus eligibility after 1 year (start before Oct 31)
• Kilometre reimbursement for personal vehicle usage

Work Environment

This is a part time (approximately 20 hours per week) in-office role based in a professional office environment. The role requires sitting, standing, walking, and occasional lifting as part of day-to-day office operations.

Our Core Values

Embrace the Challenge We take on complex work and push for better
Lead with Care We support our people and build strong relationships
Own Our Actions We take responsibility and deliver results
Strongest Together We succeed as a team

The Horizon Journey

At Horizon, we believe in growing careers from within. This role offers the opportunity to expand your skills, contribute to a collaborative culture, and grow alongside a team that values initiative, accountability, and teamwork.

Build your future. From the ground up.

The pay range for this role is:

25.00 - 30.00 CAD per hour (Horizon Contracting Group (Head Office))