administration assistant jobs in Ontario

See average salary for administration assistant »

10,000 administration assistant job listings in Canada. Find daily updated positions from leading job boards.


  • Northeastern Ontario, ON, Canada Cochrane, Ontario Full-time

    ADMINISTRATIVE ASSISTANT Full-time Position in Cochrane As a member of the Clerical team, the Administrative Assistant will provide administrative and clerical support services to the Agency and its programs. Your primary responsibilities will be to provide clerical support through data entry functions, formatting documents, forms and reports, schedule,...


  • Northwestern Ontario, ON, Canada Anishinabek Employment & Training Services Full-time $45,000 - $55,000 Contract

    The Ontario First Nations Technical Services Corporation (OFNTSC) is a nonprofit organization that provides technical advisory services, training, and capacity development to First Nations communities in Ontario.By offering a wide range of specialized services and expertise, OFNTSC helps to enhance the quality of life, promote self-sufficiency, and foster...


  • Northwestern Ontario, ON, Canada North Star Air Full-time

    About North Star Air At North Star Air, we connect people, goods, and communities across the North. We are committed to delivering safe, reliable, and affordable air transportation while supporting the unique needs of the people we serve. People are at the heart of everything we do. Position Summary The Office Administrator is responsible for coordinating...


  • Ontario, Canada CFMWS Full-time

    WHO WE AREThe Canadian Forces Morale and Welfare Services’ (CFMWS) supports the Canadian Armed Forces members and their families wherever they are in the world through the provision of fitness, recreation and leisure activities, family and charitable support, retail as well as personal financial services. We offer our employees the opportunity to work with...


  • Southwestern Ontario, ON, Canada CGC Canaccord Genuity Corp. Full-time $50,000 - $70,000 Contract

    Who we are:Canaccord Genuity (CG) is a leading independent, full-service financial services firm with a strong presence across wealth management and capital markets. We are built on long-term client relationships, entrepreneurial thinking, and a commitment to delivering tailored solutions for individual, institutional, and corporate clients. With a...


  • Northwestern Ontario, ON, Canada Mnp Llp Full-time

    If you are a job seeker with a disability and require a reasonable accommodation to apply for one of our jobs, you will find the contact information to request the appropriate accommodation by visiting the following our Accessibility Accomodation for Applicants page. Administrative Assistant Posted on November 11, 2026 Locations Showing 1 location Kenora, ON...


  • Northeastern Ontario, ON, Canada Wiikwemkoong Full-time $59,000 - $72,000 Contract

    Nakiiwin Azheyaaksin Employment Opportunity Administrative AssistantWiikwemkoong Child and Family Services is seeking qualified individuals to fill the position of Administrative Assistant. Wiikwemkoong Unceded Territory (WUT) Child and Family Services oversees and advocates for child and family matters by following the principals and ethics of...


  • Northwestern Ontario, ON, Canada Attorney General | Procureur général Full-time $42,000 - $56,000 Contract

    Join us in our mission to uphold justice and serve the publicBecome a Legal Administrative Assistant with the Ministry of the Attorney General's Criminal Law Division and play a crucial role in the justice system. Your efforts will support criminal prosecutions and ensure the smooth operation of court activities, directly impacting the lives of...


  • Southwestern Ontario, ON, Canada Canaccord Genuity Corp. Full-time $50,000 - $70,000 Contract

    Who we are:Canaccord Genuity (CG) is a leading independent, full-service financial services firm with a strong presence across wealth management and capital markets. We are built on long-term client relationships, entrepreneurial thinking, and a commitment to delivering tailored solutions for individual, institutional, and corporate clients. With a...


  • Mississauga, Ontario, Canada Peel Regional Police Full-time

    OverviewAre you an ambitious and highly motivated individual with experience in office and executive administration with excellent organization and communication skills? Are you looking to make the next step in your career? If so, apply below and join Peel Regional Police – one of Canada’s most progressive and innovative police services!As an...


  • Hamilton, Ontario, Canada Good Shepherd Centres Full-time

    Hours: Monday – Friday, 8:30am– 4:30pmRate of Pay: $25.30/ hour – $29.98/ hour (Starting salary will be determined by factors such as relevant experience, qualifications, internal equity, and market conditions.)Reason for Posting: This posting is for an existing vacancy.Who We AreAt Good Shepherd Centres, we are committed to providing hope and...


  • Toronto, Ontario, Canada Quantum Full-time

    # Administrative Assistantback to job searchref. no.1003891typeOnsitelocationToronto, ONsalary$35statusTemporary**Position:** Administrative Assistant **Location:** Downtown Toronto, ON - close to Union **Compensation:** $35 per hour **Job Type:** Temporary-to-Permanent **Posting Type:** Open Vacancy Our client, a boutique professional services firm located...


  • Richmond Hill, Ontario, Canada RBC Dominion Securities Full-time $35,000 - $47,000 Contract

    Job Description What is the opportunity? RBC Dominion Securities is Canada’s leading full-service investment and wealth management firm. We are committed to helping our clients build financial success through a personalized approach that draws on the full resources of RBC Wealth Management. By providing ongoing, exceptional service and support to our...


  • Southwestern Ontario, ON, Canada Waterloo International Full-time $62,000 - $77,000 Contract

    Administrative Assistant### Administrative AssistantApply: Waterloo, Ontario, Canada: Full time: Posted Today: 2026-03385At the University of Waterloo, we create and promote a culture where everyone can reach their full potential. As an employee, you get support & opportunities that empower you to advance your career. Explore how we can bring big...


  • Northwestern Ontario, ON, Canada Englobe Corp. Full-time $41,000 - $54,000 Contract

    Your missionYou will play an important role in a dynamic and passionate team, collaborating on a variety of projects of all sizes and scopes in the environment, renewable energies, hydroelectricity, transportation, materials, buildings and climate change markets. Boldness, innovation and collaboration are an integral part of our daily operations.Englobe -...


  • Toronto, Ontario, Canada The Hospital for Sick Children Full-time

    Dedicated exclusively to children and their families, The Hospital for Sick Children (SickKids) is one of the largest and most respected paediatric healthcare centres in the world. As innovators in child health, we lead and partner to improve the health of children through the integration of healthcare, leading-edge research and education. Our reputation...


  • Northwestern Ontario, ON, Canada Doane Grant Thornton LLP Full-time $43,000 - $53,000 Contract

    Who we are You know those big cities that still feel like small towns? Where everyone’s friendly and helps each other out? That’s like Doane Grant Thornton. Except here we’re all professionals and there isn’t a mayor or a general store. What we’re trying to say is that we’re a large and growing professional services firm that still feels like a...


  • Toronto, Ontario, Canada Placements24 Full-time

    About the RoleOur client, a dynamic research institution in Kimberley , is seeking a diligent and adaptable Administrative Assistant for a contract position. This role will provide essential support to research teams and administrative staff, ensuring the smooth execution of daily operations. The ideal candidate will possess strong organizational skills, a...


  • Toronto, Ontario, Canada EOS Partners Remote Full-time

    • Administrative Assistant • Location: Canada • Work Arrangement: Remote • Job Type: Full-Time / Part-Time • Experience Level: Entry-Level / Junior Job Overview We are seeking an organized and detail-oriented Administrative Assistant to provide administrative and clerical support for daily business operations. The successful candidate will assist...


  • Ontario, Canada CMHA - Concord Full-time

    Job Description Job DescriptionWhy work for CMHA York Region? We deliver quality mental health and addictions services that promote recovery and health, and end stigma.Our Values:Responsive to the needs of our clients, their families, and our communities Respectful in how we meet the needs of our clients and staff in each interaction Committed to delivering...