Residential Portfolio Administrator
Location: Mississauga, ON - Hybrid (4 days in office, Fridays remote)
Language: Strong written and verbal communication skills in English
Duration: 6 to 12-month contract, with potential for extension or permanent employment
Hours: Monday to Friday, 9:00 a.m. to 5:00 p.m. (37.5 hours per week)
About the Opportunity Are you an experienced residential rent administrator who thrives on accuracy, organization and getting things done? We're looking for a Residential Portfolio Administrator to join a growing real estate organization during an exciting period of portfolio expansion and transition.
Working closely with the Accounts Receivable team, you'll play a key role in managing Ontario residential rent increases, maintaining accurate tenant records and supporting a smooth portfolio integration. This is a hands-on opportunity to make an immediate impact by clearing an existing backlog while helping strengthen processes for the future.
What's In It for You A hybrid work environment with Fridays working from home.
An chance to contribute to a growing residential property portfolio.
Cooperative exposure to Property Management, Residential Operations and Finance teams.
The chance to improve processes, build efficiencies and make a meaningful impact.
Your Responsibilities You'll administer annual guideline rent increases and Above Guideline Increases (AGIs), ensuring compliance with Ontario requirements.
You'll review supporting documentation, verify rent increase details and process accurate updates to tenant accounts, rent rolls and billing records.
You'll post revised rental charges, adjustments and corrections to tenant ledgers and the general ledger.
You'll support tenant notification processes, including N1 notices, and maintain complete documentation.




You'll reconcile discrepancies and collaborate with internal teams to resolve rent administration issues.
You'll help clear an existing backlog of rent increases and AGI activity following a portfolio transition.
You'll contribute to consistent procedures, controls and efficiencies across residential rent administration.
Skills and Qualifications 2 to 5 years of hands-on experience in Ontario residential rent administration.
Direct experience implementing AGIs and/or annual guideline rent increases is required.
Strong knowledge of Ontario's Residential Tenancies Act (RTA), Landlord and Tenant Board (LTB) processes and N1 notices.
Experience maintaining residential rent rolls, tenant ledgers, billing adjustments and reconciliations.
Experience posting rental charges and adjustments to the general ledger using property management or accounting software.
Familiarity with Yardi is considered an asset.
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.

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📌 Residential Portfolio Administrator (Ontario)
🏢 Altis Technology
📍 Ontario