Senior Administrative Assistant

Infrastructure Ontario; Toronto; On-site; CAD 72,000 - 85,000; Full time

Benefits offered by this job

Defined Contribution Pension

Health & dental coverage

Parental leave top-ups

Healthcare Spending Account

Professional development

Transit access

Job summary

Infrastructure Ontario is seeking a Senior Administrative Assistant to provide high-quality support to the Senior Vice President, Enterprise Risk. You will manage calendars, coordinate meetings, draft materials, and ensure documentation aligns with IO standards.

You will also assist with onboarding, onboarding/offboarding, and supporting various strategic priorities. Strong organization, discretion, and communication skills are essential, along with familiarity with PowerBI, SharePoint, and

Qualifications

• Post-secondary diploma in Business Administration or equivalent asset.
• Several years of administrative support for executives in a corporate setting.
• Experience supporting diverse business functions and managing competing priorities.

Responsibilities

• Manage multiple executive calendars and coordinate meetings across teams.
• Prepare agendas, minutes, and deliverables for SVP and Enterprise Risk.
• Draft correspondence and presentations adhering to IO standards.
• Onboard/offboard staff and organize documentation and records.
• Support enterprise risk and portfolio management with data and reporting.

Skills

Calendar management

Executive support

Organizational skills

Communication

Problem solving

Education

Diploma in Business Administration

Tools

PowerBI

SharePoint

Microsoft Teams

Job description

Infrastructure Ontario (IO), an Ontario crown corporation, provides a wide range of services to support the Ontario government’s initiative to modernize and maximize the value of public infrastructure and realty. IO has been recognized domestically and internationally for the way it does business and the success it has had with its major projects, real estate services, infrastructure lending, commercial projects, and development mandate. IO delivers some of the most complex, ambitious commercial and land development solutions for the Province and continues to evolve and expand its capabilities to maximize its public impact and deliver on its vision of creating a connected, modern and competitive Ontario.

Position Purpose

The Senior Administrative Assistant provides high quality administrative and organizational support to the Senior Vice President, Enterprise Risk. The role supports enterprise wide responsibilities such as calendar management, meeting coordination, document preparation, correspondence, office organization, onboarding, and tracking departmental activities.

What You Will Do

• Manage multiple complex calendars, anticipating scheduling conflicts and adjusting proactively based on SVP priorities.
• Coordinate across Enterprise Risk and division wide executive teams, preparing several weeks ahead to support meeting readiness.
• Serve as first point of contact for the SVPs and team, resolving inquiries independently when appropriate.
• Provide integrated support managing corporate project portfolio.
• Support the Senior Management Team on various strategic priorities.
• Track and follow up on action items, procurement activities, expenses, and approvals in accordance with internal policies.
• Coordinate onboarding and off-boarding activities and orient new staff members.
• Organize and prepare meetings, including agenda creation, minute taking, tracking deliverables, and ensuring necessary logistics are in place.
• Prepare first drafts of correspondence, documents, presentations, and sensitive external materials.
• Maintain templates and ensure all documentation adheres to IO standards.
• Identify areas of opportunity for improvement or innovation in processes relevant to the position
• Act as a data steward (light) for executive workflows.
• Managing document integrity and version control to support basic records management.

Who You Are

• Post-secondary diploma in Business Administration or equivalent an asset.
• Several years of administrative experience supporting executives in a corporate setting.
• Experience supporting diverse business functions and managing competing priorities.
• Exceptional organizational, time-management, and prioritization skills.
• Ability to work independently with limited guidance in a fast-paced environment.
• Strong professionalism, discretion, and ability to handle sensitive information.
• Effective interpersonal, communication, negotiation, and facilitation skills.
• Excellent written communication skills and ability to synthesize information clearly.
• Demonstrated openness to new skills and approaches, seeking and applying feedback to improve performance and business outcomes.
• Ability to work with data and reports to support prioritization.
• Familiarity with tools such as PowerBI, Sharepoint, and Microsoft Teams. As well, a comfort level with emerging tools such as AI copilots and automation tools will be valuable. Technical depth is not required, however, awareness of emerging AI tools and the ability to use them responsible will be beneficial.

What We Offer

• Commitment to creating a diverse, equitable and inclusive culture that promotes a sense of belonging and represents and reflects the needs of the communities we serve.
• A Defined Contribution Pension Plan, with Infrastructure Ontario contributing the equivalent of 5% of a full-time employee’s annual salary and will also match any employee contribution up to an additional 5% of their annual salary. To provide further options for planning and saving for the future, IO offers a Group Retirement Savings Plan and Group Tax Free Savings Account to eligible employees.
• A comprehensive package that covers health, dental, vision, out-of-country care, paramedical services, and more.
• A pregnancy and parental leave program that offers expecting, eligible employees a top-up to 95% of their annual base salary for 31 weeks, and our parental leave program offers eligible employees a top-up to 95% of their annual base salary for 15 weeks.
• Access to our $1000 Healthcare Spending Account to top up expenses not covered in the benefits program and a Lifestyle Account that expands the eligibility of health and wellness options and can include coverage for gym memberships and fitness equipment, nutrition counselling or financial planning.
• Support for professional development opportunities for all colleagues through a broad range of learning programs that include in-person and online training, leadership development, and support for colleagues’ well-being. IO will also cover the costs associated with up to two membership and licence fees per year for eligible colleagues if directly related to the employee’s role.
• Access to a suite of virtual healthcare options to support non-urgent medical needs
• A convenient, central location at 1 Dundas St West, easily accessible by public transit.

We offer a competitive salary range of $72,000 to $85,000 (S3 Level). Pay will align with skills, knowledge and experience of the candidate.

This posting will close on Monday September 28th, 2026 at 11:59 pm.

Interviews will occur on a rolling basis until the role is filled.

This posting is for a current active vacancy. We are actively recruiting to fill this position.

After reviewing the qualifications listed above, we want you to know that we understand you may not meet all the qualifications described, but still encourage you to apply, as you may have other relevant expertise and experience that you can bring to the role.

At Infrastructure Ontario, we strive to create a culture that encourages a diverse equitable and inclusive environment that fosters belonging. We believe that experience comes in many forms and through learning from each others’ differences and perspectives gives us strength. We are committed to enhancing our culture and encourage applications from all walks of life. Let us know if you require any accommodations for the selection process, by contacting the Talent Acquisition Team.

Candidates who are members of Indigenous, Black, racialized and 2SLGBTQ+ communities, persons with disabilities, and other equity deserving groups are encouraged to apply, and their lived experience will be taken into consideration as applicable to the posted position.

At Infrastructure Ontario, we use AI in our applicant tracking system to improve the efficiency and fairness of recruitment. Your application will be reviewed by both AI and our hiring team for a thorough evaluation. Please note that final hiring decisions are made solely by our experienced hiring team.