Office Manager
Muskoka Shores Community - Gravenhurst

Salary: $49,117 - $61,397

This posting is for an existing vacancy

At Sienna Senior Living, our commitment to enhancing the daily lives of our residents extends far beyond clinical care. Integral to this mission are our dedicated leaders and their teams who oversee vital functions such as culinary services, housekeeping, recreation, maintenance and administrative functions. These roles are not just jobs; they embody the heart and soul of our purpose‑drive culture, one that is centered on cultivating happiness in daily life!

We are currently seeking exceptional individuals to fill a key management position, a role that is pivotal in bringing our core values of positivity, accountability, community, and caring to life. In this capacity, the Office Manager plays a crucial role of the day‑to‑day administrative functions and processes at a Long Term Community or Retirement Residence. This role is responsible for creating an enriching experience for both Team Members and Residents, fostering an environment where every individual feels valued and cared for. In this role, you will oversee Resident Accounts, Accounting procedures, processes and records, bi‑weekly payroll submissions and other administrative functions.

What We Offer
We aspire to cultivate an environment and culture where team members feel valued, heard and empowered to do meaningful work. We offer a number of programs and benefits that support team members’ financial, personal and professional needs:

A competitive salary and vacation package





Health & dental benefits program

RRSP with employer match

Share Ownership and Reward Program (SOAR)

Employee Share Purchase Plan with company match

Continuous learning and growth so you have the skillset needed to succeed and take on new challenges

A welcoming culture that values diversity and differing perspectives, experiences and beliefs

What You Will Be Doing

Facilitate the move‑in and discharge processes for residents and their families, ensuring the completion and compliance of necessary documents such as contracts and power of attorney, adhering to both organizational and legal standards

Handle the processing of annual rent and additional charges to residents' accounts

Generate billing for residents, and manage the reconciliation of invoices, payments, and tax documents

Assist residents in exploring financial assistance options, including access to power of attorney, public guardian trustee services, and the updating of health card and provincial documents

Address and resolve financial inquiries or concerns from residents, their families, and vendors, escalating complex issues to higher management as needed

Keep precise records,



provide monthly reports, and explain any discrepancies in accounts receivable and payable transactions

Oversee a petty cash system and a trust fund for petty cash disbursements

Create and manage Purchase Orders and maintain purchase journals

Compile and submit bi‑weekly payroll reports for timely payroll processing

Who You Are

Educated with a diploma in Business Administration, Accounting, or a related discipline

Highly skilled in MS Office (Outlook, Excel, Word), with a good understanding of HRIS, Yardi, and PCC systems

Possess exceptional organizational skills and meticulous attention to detail, consistently meeting deadlines

Demonstrates robust problem‑solving abilities

Well‑versed in payroll processes, including time and attendance systems, and HR practices

Knowledgeable about collective agreements and employment legislation related to pay

Beneficial if you have previous experience in a healthcare workplace

What You Need to Know

Sienna Senior Living is committed to creating an inclusive environment where all team members and residents feel like they belong. We seek applicants with diverse backgrounds and have a wide range of abilities. Sienna provides an accessible candidate experience

You must successfully pass a Vulnerable Sector Check and/or Criminal Record Check applicable to the appropriate province

Sienna Senior Living may utilize artificial intelligence to screen and assess applicants for this position.

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📌 Office Manager | Permanent Full-Time (Ontario)
🏢 Sienna Senior Living
📍 Ontario