Commerical Leasing Administrator

Altis Technology; Mississauga; On-site; CAD 42,000 - 64,000; Full time

Job summary

Altis Technology is seeking a Leasing and Office Administrator to support a busy corporate office in Mississauga, ON. This on-site role covers commercial lease administration, property operations, and basic bookkeeping, with a 6-month contract that may convert to permanent based on performance.

You will coordinate tenant requirements, manage move-ins/outs, parking, and routine leasing matters, while maintaining records, communicating with tenants and service providers, and processing

Qualifications

• Experience in commercial real estate or lease administration is required.
• Strong understanding of leases, renewals, tenant coordination, rent rolls and related admin.
• Excellent organizational skills with high attention to detail and follow-through.

Responsibilities

• Support commercial lease administration, including leases, renewals, amendments, rent rolls, and tenant correspondence.
• Coordinate tenant requirements such as move-ins/move-outs and parking allocations.
• Communicate with tenants, contractors, lawyers, suppliers and service providers to ensure items are completed.
• Coordinate property services: obtain quotations, arrange repairs, maintenance, and building services.
• Maintain schedules, electronic filing, Google Drive records, corporate documents, and correspondence.
• Process accounts payable/receivable and assist with routine bookkeeping and rent-related matters.
• Enter and maintain accounting information in QuickBooks.

Skills

Commercial real estate

Lease administration

Tenant coordination

Attention to detail

Communication

Time management

Proactive approach

Tools

Microsoft Excel

Microsoft Word

Google Sheets

Google Drive

Gmail

QuickBooks

Job description

Job Type: Temp to perm
Duration: 6-month 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, youll 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.

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.

Whats 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, commercial property management, or lease administration is required
• 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 youre 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.