Senior Administrative Assistant (Contract)
Location: Toronto, ON. Hybrid, Monday to Thursday on-site, Friday remote, with occasional in-office Fridays based on business needs.
Language: English, professional fluency required for both written and spoken communication.
Duration: 3-month contract with strong potential to extend.
Background Check Requirement: Criminal background check required.
About the Opportunity
This is a dynamic contract opportunity for a seasoned Senior Administrative Assistant who thrives in fast-paced, people-focused environments. You’ll play a pivotal role supporting senior leaders within a national retail organization, ensuring their days run smoothly while contributing to a collaborative and well-connected workplace.
Working closely with executive leadership and an experienced administrative team, your work will directly support business continuity during a leave of absence. This role blends high-level executive support with front desk and office coordination, making it ideal for someone who enjoys variety, agility, and being at the center of the action.
What’s In It for You
You’ll join a workplace that values collaboration, flexibility, and mutual support. With mentorship from a dedicated Executive Assistant who oversees the admin team, you’ll have access to coaching, knowledge sharing, and a strong sense of community.
This is a chance to gain exposure to senior leadership, sharpen your prioritization skills, and make an immediate impact in a role that values professionalism, trust, and adaptability.
Your Responsibilities
You’ll provide high-level administrative support to a team of executives, managing calendars, meetings, and competing priorities.
In this role, you’ll coordinate complex travel arrangements, expenses, and itineraries using tools such as Concur.
You’ll act as a welcoming front-line presence, managing visitors, packages, and day-to-day office operations when required.
You’ll support monthly and quarterly meetings, including scheduling, logistics, and team-building activities.
You’ll assess urgency, troubleshoot scheduling conflicts, and keep leaders focused on what matters most.
Skills and Qualifications
5 to 7+ years of progressive senior administrative or executive assistant experience.
Proven ability to support multiple leaders in a fast-paced, high-volume environment (experience working in a large company is strongly preferred).
Strong judgment, discretion, and confidence handling sensitive information.
Advanced proficiency with Microsoft Office and comfort learning new tools.
Demonstrated agility, organization, and ability to flex between executive support and office coordination.
Why Partner with Altis
If you’ve never worked with a staffing agency before, we make it easy. We work with top employers across Canada who have great jobs to fill, each vetted and verified by our team. When you apply for a job with Altis, we get to know you as a candidate and learn what your strengths are. Then, if you’re a solid match, we handle all the logistics, advocating for you as a candidate for the role, providing access to coaching and connecting you directly with the hiring manager. And rest assured, all our services are free of cost for candidates.
