Job Type: Temp to perm
Duration: 11-week contract, will convert to permanent based on performance 
Location: Mississauga, ON (On-site)
Language: Strong written and spoken English required
Background Check Requirements: Criminal Record Check and employment references required

About the Opportunity
This is an exciting opportunity for a highly organized and proactive Leasing and Office Administrator to support a busy corporate office environment. Working across commercial leasing, property administration, accounting, and general office operations, you’ll play an important role in keeping day-to-day activities organized and moving forward.

You’ll work closely with tenants, contractors, legal professionals, suppliers, and internal stakeholders, balancing routine administration with more complex requests. This role is well suited to someone who takes pride in accuracy, enjoys learning, and can confidently follow matters through to completion.

What’s In It for You
You’ll gain hands-on exposure to multiple areas of commercial real estate administration while building your experience across leasing, property operations, and accounting. You’ll join a professional environment where initiative, reliability, curiosity, and strong follow-through are valued.

Your Responsibilities
• You’ll support commercial lease administration, including leases, renewals, amendments, rent rolls, critical dates, tenant correspondence, and property records.
• You’ll coordinate tenant requirements, including move-ins, move-outs, parking allocations, and routine leasing and property matters.
• You’ll communicate with tenants, contractors, lawyers, suppliers, and service providers, ensuring outstanding items are followed through to completion.
• You’ll coordinate property services, including obtaining quotations and arranging repairs, maintenance, snow removal, and other building services.
• You’ll maintain schedules, electronic filing systems, Google Drive records, corporate documents, correspondence, and general office requirements.
• You’ll process accounts payable and receivable transactions, maintain supporting records, and assist with routine bookkeeping and rent-related financial matters.
• You’ll enter and maintain accounting information and supporting documentation in QuickBooks.

Skills and Qualifications
• Previous experience in commercial real estate, property management, or lease administration is strongly preferred.
• Strong understanding of commercial leases, renewals, tenant coordination, rent rolls, and ongoing lease administration.
• 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, discretion, and follow-through.
• Confident, professional communication skills when working with tenants, contractors, lawyers, and external service providers.
• A proactive, resourceful approach with the ability to manage changing priorities and independently resolve 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.