Executive Assistant

Job description

Date:

September 1, 2026

Location:

Mississauga or Toronto, ON – Hybrid/On-site

Requisition ID:

21245

Status:

Regular

Business Unit:

Information and Technology Services

and Power System Development

Grade/Band:

Band 6B

Shift Work:

No

Annual Pay Range:

For standard 35-hour work week

$75,290

$94,070

The successful placement within the range will depend on qualifications, relevant work experience, and other applicable considerations.

Why join us?

The IESO is committed to ensuring Ontario’s electricity system meets the province’s needs today and into the future.

We are charged with purpose

, delivering reliable, affordable, and sustainable electricity for homes, businesses, and communities across the province.

We are energized to grow

, embracing opportunities to shape the future of a dynamic and evolving energy sector while advancing our careers.

We are powered by teamwork

, supported by diverse and passionate colleagues who foster respect, celebrate successes, and thrive on shared achievements. At the IESO, it’s not just what we do—

it’s who we are!

Who we are

Our central role includes managing the provincial power grid in real-time, overseeing and evolving Ontario’s electricity market, engaging with government, municipalities and Indigenous communities, and planning for Ontario’s future electricity needs. Our employees play a key role in driving grid innovation, protecting the system from threats, advancing the province’s energy conservation programs, and forecasting and procuring the electricity resources we’ll need in the decades to come.

This posting represents two non-unionized vacancies: one in Information and Technology Services (ITS) based at our Mississauga office, and one in Power System Development (PSD) based at our Toronto office.

Applicants are encouraged to indicate their preferred location when submitting their application.

What makes this role exciting

The energy sector is rapidly evolving, offering exciting new opportunities for those who want to make a difference.

As a trusted partner to senior leadership, the Executive Assistant provides high-quality administrative and operational support that enables leaders to focus on strategic priorities and business objectives. This role supports Senior Directors by managing a broad range of executive support activities, including scheduling and logistics, correspondence, document preparation, meeting coordination, and project execution.

The Executive Assistant builds strong relationships across the organization, exercises sound judgment, and handles confidential information with a high degree of discretion. The ideal candidate is highly organized, adaptable, and resourceful, with the ability to anticipate needs, manage competing priorities, and contribute to the smooth and efficient operation of the leadership team.

What you’ll do

In this role, you’ll make a meaningful impact by contributing to the IESO team and supporting the electricity needs of the province through:

Support for the Senior Director and (as applicable) SLT members

High-level support and assistance to the Senior Director, including calendar management, prioritization of meetings and deliverables, coordination of deliverables with direct reports, establishing schedules, collaborating with other Executive Assistants on corporate processes

Prepare various confidential or classified documents on behalf of the Senior Director, including letters, instructions to direct reports and service providers, and meeting summaries

Anticipate and initiate appropriate action to conserve time commitments of the Senior Director; prioritize work demands and assignments from various staff

Support inbox management by organizing emails, flagging actions items, and tracking deadlines

Make travel arrangements for meetings and conferences

Liaise with external facility providers for off-site meetings

Preparation of correspondence and reports including information of a highly confidential nature

Communicate corporate or business unit priorities, information or data to other members of the business unit management team, the business unit, or other stakeholders

Ensure all correspondence adheres to corporate communication standards

Route documents for signature and approval (e.g. contracts; agreements, reports; directives; policies; instructions; budgets; personnel and labour relations matters)

Research issues both proactively and on an as needed basis; gather and summarize data, statistics or information

Process inquiries from employees, members of the public or external organizations

Provide input and take minutes of business unit and committee meetings; track action items as required; organize meeting agendas

Manage the logistics of assigned Committee(s) of the Board

Draft agendas based on the Committee’s Schedule of Activities, Action Items, and Annual Topics

Gather documents and presentations from leaders across the organization for review by the Executive Leadership Team

Identify concerns with formatting, templates, and other documentation

Coordinate meetings with the Committee Chair and members of the Executive Leadership Team

Manage Action Items assigned to Senior Director from Committee(s), Board and ELT

Oversee the administration of corporate practices and record-keeping systems for the Business Unit

Ensure the consistent application of corporate policies and processes within the business unit

Review or approve administrative items on behalf of the Senior Director in accordance with corporate policies

Establish and maintain retention schedules for documents and correspondence

Compile and maintain training databases and vacation/attendance records

Manage follow up with various stakeholders (e.g. government agencies; Ontario Ministries, Ontario Energy Board; etc.) on various matters

Financial Stewardship

Co-ordinate preparation of the Business Unit budget

Support the department with the Procure to Pay process: setting up purchase orders, verifying and processing invoices

Compile, review and complete verification of monthly credit card reconciliation for business unit procurement card

Review and complete verification of expenses and employee timesheets

Plan and arrange for the acquisition of administrative and office services

Co-ordination and project management

Assist with the onboarding of new employees to the business unit

Assist in the orientation and training of support staff of other Business Units

Co-ordinate space requirements for the Business Unit

Attend meetings to represent the Business Unit on issues related to space planning and accommodation and ensure Business Unit’s interests are represented

Identify intra-departmental issues and coordinate appropriate staff to work towards a resolution

As directed, communicate work priorities to Business Unit staff to ensure projects are completed in a timely manner and provide updates to the Senior Director

Review the status of major issues, projects, or programs and ensure that senior management are kept informed of the important issues

Role Requirements

Our team consists of experts from diverse backgrounds, each bringing their unique perspectives and skills.

To succeed in this role, you’ll need:

Post-secondary education with a diploma in Business Administration or an equivalent combination of education, training and experience

8-10 years executive office support experience required

Knowledge of board governance principles and processes

Strong skills in Microsoft Office and Copilot

Demonstrated professionalism, diplomacy, and tact when supporting and interacting with senior leadership and Board members

Strong planning, time management and coordinating skills to organize priorities and workflow

Experience interpreting and applying standard business practices, procedures, and departmental policies.

Proven ability to manage and organize highly confidential and sensitive information.

Experience establishing and implementing administrative procedures and electronic document management systems.

Highly developed oral and written communication skills

Creative thinking, sound judgement and solid analytical skills required to manage unique, confidential and/or time sensitive issues

High degree tact and discretion as needed when interacting with IESO Board Members, government and industry agencies, IESO senior leadership and staff

Proven track record of achieving results through collaboration with stakeholders in a complex business environment, without direct authority

Demonstrated ability to develop and maintain effective relationships both within the organization and with external stakeholders including Board members

Proven people skills and intra and inter department team-building capability

Highly proactive with the ability to anticipate problems and take action to mitigate them

Ability to recognize changing priorities and adjust work plans to meet expectations

Demonstrated ability to work independently

How We Support You

From a comprehensive total rewards program to dynamic learning and development opportunities—including job rotations to broaden your expertise—we empower you to define and shape your own success. When you join the IESO, here’s what you can expect:

Best-in-class benefits and long-term support in the form of a defined benefit pension plan.

Work in a dynamic and evolving sector that offers exciting opportunities and the chance to explore new career paths.

Leadership that values meaningful discussions, welcomes feedback, and prioritizes career development.

A strong, inclusive culture and a collaborative team environment with a shared passion for impactful work.

Compensation packages that are regularly reviewed to remain competitive and to best accommodate the diverse needs of our employees.

Deadline

September 22, 2026

For future reference, please save a copy of the job posting as it will no longer be available once the posting closes.

Thank you for your interest in a career at the IESO. Only candidates selected for an interview will be contacted. Please note that the successful candidate must be legally eligible to work in Canada and will be subject to applicable background checks.

IESO will not conduct interviews or offer positions via online, text, chat or social media platforms. We will not gather personal information directly from candidates or potential candidates. Selected candidates will work with our Talent Acquisition team to ensure their application is processed.

The IESO currently has a 3-day in-office work week for applicable roles. Over the course of 2026, the IESO will advance plans to acquire additional office space to accommodate more in-office time. While the timeline for moving to a full 5-day in-office model has not yet been established, we are committed to keeping employees and candidates informed as plans progress and give them as much advance notice as possible to prepare for any changes.

We believe in opportunities for everyone.

At the IESO, we know that achieving great results depends on embracing diversity by attracting, developing, and retaining people from a wide variety of backgrounds. We do this by ensuring our recruitment and advancement policies are fair and equitable, and by creating an accessible and inclusive environment—one that values every team member’s unique skills and experiences and ensures they have the support they need to

achieve their potential. If you require accommodation during the recruitment process, please let us know.

We’re proud to say we’ve been recognized as a supportive, inclusive employer.

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