Location: Ottawa or Toronto (North York) (Hybrid, 2 days on site)
Language: English essential, both written and spoken
Duration: 1-month contract with potential for extension
Background Check Requirement: Criminal background check and professional references required
Must be available to start work by the week of June 8th ideally
About the Opportunity An organization in the not-for-profit and public sector space is seeking a Senior Administrative Assistant to provide high-level support to a senior executive in a fast-paced, collaborative environment. This role is ideal for someone who thrives on organization, enjoys supporting leadership teams, and takes pride in keeping priorities and operations running smoothly.
In this position, you will play a key role in coordinating schedules, managing travel logistics, tracking deliverables, and supporting important operational initiatives. You’ll work closely with internal stakeholders and contribute to a professional setting where communication, adaptability, and attention to detail are highly valued.
What’s In It for You Opportunity to support 3-4 senior executives and gain exposure to high-level operations
Hybrid work model that offers flexibility and balance
A collaborative and professional environment that values initiative and strong communication
Exposure to meaningful work within the not-for-profit and public sector space
Your Responsibilities You’ll manage a complex calendar and coordinate travel arrangements for senior executives with frequent travel commitments
You’ll track deliverables and follow up with stakeholders to ensure projects, meetings, and action items remain on schedule
You’ll coordinate meetings and provide administrative support that keeps day-to-day operations running smoothly




You’ll assist with expense claims and invoicing, ensuring travel and operational expenses are submitted accurately within the system
You’ll collaborate with internal teams to monitor budgets, funding updates, and operational coordination where needed
You’ll provide general administrative support, including document review and project support as requested
Skills and Qualifications 3+ years of relevant senior administrative or executive assistant experience
Demonstrated experience managing calendars, coordinating travel, and supporting senior leaders
Strong ability to track deliverables, follow up with stakeholders, and maintain organized workflows
Experience processing expense claims, invoicing, or working with financial documentation
Excellent communication skills with the ability to work proactively and independently in a fast-paced environment
Strong written and verbal communication skills in English
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 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.

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📌 Senior Administrative Assistant (Ontario)
🏢 Altis Technology
📍 Ontario