Job Title
Administrative Assistant

Location
Oshawa, Ontario. On-site

Job Type
Contract, full-time hours

Compensation
$25–$26/hour

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About the Opportunity

This opportunity is well suited for an experienced Administrative Assistant who enjoys being at the centre of operations and supporting senior leadership in a complex, fast-paced environment. Working within a public sector organization, you’ll provide high-level administrative and coordination support across confidential, operational, and governance-related activities.

You’ll partner closely with leadership, internal teams, and external stakeholders, acting as a trusted point of contact and ensuring information flows smoothly and professionally. Your ability to manage priorities, protect confidentiality, and anticipate needs will play a key role in keeping the organization running efficiently.

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What’s in it for You

You’ll work in an environment that values precision, accountability, and collaboration, with exposure to senior executives and cross-functional teams. This role offers variety, responsibility, and the chance to apply your organizational expertise to meaningful work that supports public service outcomes.

It’s also an opportunity to strengthen your experience in executive-level administration, records management, and stakeholder coordination within a structured and professional setting.

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Your Responsibilities

• You’ll produce and manage a wide range of routine and confidential correspondence, reports, and administrative materials while ensuring accuracy and discretion.

• In this role, you’ll coordinate meetings, including agenda preparation, logistics, briefing materials, and attendance support.

• You’ll manage incoming and outgoing correspondence, prioritizing items, researching background information, and preparing materials for leadership review.

• You’ll support time and priority management by maintaining schedules, follow-up logs, and bring-forward systems.

• You’ll establish and maintain physical and electronic records in line with retention policies, while providing ongoing clerical and administrative support across departments.

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Skills and Qualifications

• 2+ years of experience in an administrative support role within a professional office environment.

• Strong proficiency with Microsoft Office, including Word, Excel, PowerPoint, and Outlook.

• Exceptional organizational skills with a high level of attention to detail.

• Proven ability to manage multiple priorities while maintaining confidentiality and discretion.

• Strong interpersonal and communication skills, with the confidence to work across all levels of an organization.

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Why Partner with Altis

If you’ve never worked with a staffing agency before, don’t worry, we make it easy. You’ll still engage directly with the client while we handle the logistics, provide guidance, and keep you informed every step of the way. We’ll represent your strengths, guide you through each stage of the process, and ensure the experience feels personal and transparent.

This posting is for an open opportunity.

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 our 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.