Office Administrator

Job Type: Temp to perm
Duration: 6-month contract, with the opportunity to convert to permanent based on performance
Location: Mississauga, ON, On-site
Language: Strong written and spoken English required
Background Check Requirement: Criminal Record Check and employment references required

About the Opportunity
This is an exciting opportunity for an organized and proactive Office Administrator to join a busy, professional office environment. You’ll play an important role in keeping day-to-day operations running smoothly, supporting administration, accounting activities, documentation, and general office needs.

You’ll work closely with internal team members, suppliers, contractors, and other external contacts, making this a great fit for someone who enjoys variety and takes pride in keeping things organized. No commercial real estate experience is required. What matters most is strong administrative experience, hands-on accounts payable and accounts receivable knowledge, and a willingness to learn.

What’s In It for You
You’ll gain broad exposure to office operations and accounting while joining a workplace that values reliability, initiative, accuracy, and collaboration. This temp-to-permanent opportunity also offers the chance to grow your responsibilities as you become familiar with the organization and its processes.

Your Responsibilities
• You’ll support day-to-day office administration, correspondence, scheduling, electronic filing, and document management.
• You’ll process accounts payable and accounts receivable transactions, ensuring records and supporting documentation are complete and accurate.
• You’ll assist with invoicing, payments, account follow-up, and routine bookkeeping activities.
• You’ll enter and maintain accounting information and supporting documentation in QuickBooks.
• You’ll communicate with suppliers, contractors, service providers, and internal stakeholders to coordinate requests and follow up on outstanding items.
• You’ll help coordinate general office and property-related services, including quotations, repairs, maintenance, and other operational needs.

Skills and Qualifications
• 2+ years of office administration experience, including hands-on accounts payable and accounts receivable responsibilities.
• Practical knowledge of invoicing, payment processing, record keeping, and general bookkeeping processes.
• Strong proficiency with Microsoft Excel and Word, Google Sheets, Google Drive, and Gmail.
• Working knowledge of QuickBooks is preferred.
• Strong organizational skills with excellent accuracy, attention to detail, and follow-through.
• Professional written and verbal communication skills when working with internal and external contacts.
• A proactive and resourceful approach, with the ability to manage changing priorities and independently handle routine issues.

Why Partner with Altis
If you’ve never worked with a staffing agency before, we make it easy. We work with top employers across Canada who have great jobs to fill, each vetted and verified by our team. When you apply for a job with Altis, we get to know you as a candidate and learn what your strengths are. Then, if you’re a solid match, we handle all the logistics, advocating for you as a candidate for the role, providing access to coaching and connecting you directly with the hiring manager. And rest assured, all our services are free of cost for candidates.

We appreciate the time and effort all applicants invest in their submissions. Please note that only candidates shortlisted for this role will be contacted directly. However, your profile will remain under consideration for future opportunities that align with your experience and career goals.All qualified applicants will receive fair consideration for employment. We welcome individuals of all backgrounds, experiences, and identities including those who identify as women, members of racialized groups, Indigenous Peoples, persons with disabilities, and 2SLGBTQIA+ communities. If you require an accommodation, please review our accessibility policy and reach out to our accessibility officer with any questions. Our human recruiters review all applications and always make the final hiring decision. On occasion, we also use AI-assisted tools to help review applications.