Senior Administrative Assistant

Altis Technology; Toronto; Hybrid; CAD 52,000 - 78,000; Part time

Job summary

Altis Technology is seeking a Senior Administrative Assistant to provide high-level support to a senior executive in a fast-paced not-for-profit and public sector environment.

The role involves managing calendars, coordinating travel, tracking deliverables, and supporting operational initiatives. Based in Ottawa or Toronto with a hybrid schedule (2 days on site). Start by the week of June 8 and 1-month contract with potential for extension.

Qualifications

• 3+ years of 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.

Responsibilities

• Manage complex calendars and coordinate travel for senior executives.
• Track deliverables and follow up with stakeholders to keep projects on schedule.
• Coordinate meetings and provide administrative support to keep operations moving.
• Process expense claims and invoicing, ensuring accurate travel and expenses.
• Collaborate with internal teams on budgets, funding updates, and coordination.
• Provide general admin support, including document review and project assistance.

Skills

Calendar management

Travel coordination

Stakeholder communication

Expense processing

Independent work

English proficiency

Job description

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 environment 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.