Office & Support Administrator - RSI

Information Services Corporation ISC•Toronto, ON

2d•CA$57,750 - CA$70,750•Hybrid

About The Position

Reamined Systems Inc. (RSI) provides specialized real property assessment and tax delivery assistance to municipalities in Ontario, Canada. Our people are what drives our innovation, growth, and well-being. We are looking for an Office & Support Administrator to help grow our business and contribute to our future. This role is key in supporting the Senior Director, Operations, the ESC President, and the broader operations team. This position is central to the day-to-day effectiveness of the office, ensuring leaders and teams are well-supported through strong coordination, organization, and communication. In this role, you’ll manage a wide range of administrative and office functions, from coordinating office services and vendor relationships to supporting operational processes and employee programs, helping to create a well-run, efficient, and responsive work environment.

Requirements

Post-secondary diploma, with at least three (3) plus years of experience in an administrative, office coordination, or business support role
Strong planning and organizational skills, with the ability to manage multiple priorities and deadlines
Excellent verbal and written communication skills, with experience engaging with employees, leadership, and external vendors
Proven ability to work independently and manage competing demands
Strong proficiency in Microsoft Office (including Outlook, Teams, and PowerPoint)
Able to prioritize effectively and manage multiple deadlines
Clear, professional written and verbal communication with a range of stakeholders
Consistently produces accurate work, especially with data and reporting
Works effectively with teams, leadership, and external partners
Identifies issues and takes proactive steps to resolve and improve processes
Takes ownership and delivers on commitments consistently
Self-starter with the ability to take initiative, anticipate needs, and follow through with minimal direction
Adaptable and comfortable managing a variety of tasks in a fast-paced, dynamic environment

Responsibilities

Provide executive administrative support to the Senior Director, Operations and ESC President, including calendar management, scheduling, and preparation of documents and presentations
Act as a central point of contact for office operations, handling calls, emails, and inquiries on behalf of the team
Coordinate meetings and events end-to-end, including logistics, catering, travel, and room/equipment setup
Oversee day-to-day office administration, including mail, shipments, supplies, and vendor coordination
Coordinate external conferences and events, including registrations, logistics, and ensuring materials and collateral are prepared and delivered on time
Manage building and facilities requests, including submitting and tracking service requests and coordinating with building management
Support financial administration, including processing invoices and corporate card transactions
Maintain access and security processes, including key cards, visitor/vendor coordination, and office access tracking
Prepare and maintain reports and records, including operational reporting and documentation systems
Provide shared administrative support across ESC and RSI teams, balancing priorities and supporting multiple stakeholders