administration assistant jobs in Ontario
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10,000 administration assistant job listings in Canada. Find daily updated positions from leading job boards.
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Administrative Assistant
23 hours ago
Northwestern Ontario, ON, Canada Anishinabek Employment & Training Services Full-time $45,000 - $55,000 ContractThe 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...
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Administrative Assistant
23 hours ago
Northwestern Ontario, ON, Canada North Star Air Full-timeAbout 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...
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Administrative Assistant
2 days ago
Southwestern Ontario, ON, Canada CGC Canaccord Genuity Corp. Full-time $50,000 - $70,000 ContractWho 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...
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Administrative Assistant
2 days ago
Northeastern Ontario, ON, Canada Wiikwemkoong Full-time $59,000 - $72,000 ContractNakiiwin 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...
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Administrative Assistant
3 days ago
Southwestern Ontario, ON, Canada Canaccord Genuity Corp. Full-time $50,000 - $70,000 ContractWho 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...
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Administrative Assistant
3 days ago
Southwestern Ontario, ON, Canada Waterloo International Full-time $62,000 - $77,000 ContractAdministrative 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...
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Administrative Assistant
3 days ago
Northwestern Ontario, ON, Canada Englobe Corp. Full-time $41,000 - $54,000 ContractYour 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 -...
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Administrative Assistant
4 days ago
Ontario, Canada CMHA - Concord Full-timeJob 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...
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Administrative assistant, Administration
2 days ago
Ottawa, Ontario, Canada Desjardins Full-timeAs an administrative assistant, you help carry out administrative activities for your sector. You provide administrative and secretarial support to a director or manager reporting to a vice-president. You also provide administrative support to other members of your unit as needed. You help coordinate, plan and prioritize your unit’s management activities....
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Legal Administrative Assistant
23 hours ago
Northwestern Ontario, ON, Canada Attorney General | Procureur général Full-time $42,000 - $56,000 ContractJoin 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...
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Administrative Assistant
23 hours ago
Northwestern Ontario, ON, Canada Doane Grant Thornton LLP Full-time $43,000 - $53,000 ContractWho 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...
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Legal Administrative Assistant
2 days ago
Northwestern Ontario, ON, Canada Environment, Conservation and Parks | Environnement, Protection de la nature et Parcs Full-time $39,000 - $45,000 ContractApply By: Friday, November 13, 2026 11:59 pm EST $28.14 - $32.82 Per hour**Indicates the salary listed as per the OPSEU Collective Agreement. Join us in our mission to uphold justice and serve the public Become a Legal Administrative Assistant with the Ministry of the Attorney General's Criminal Law Division and play a crucial role in the justice system....
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Administrative Assistant
11 hours ago
Toronto, Ontario, Canada The Hospital for Sick Children Full-timeDedicated 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...
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Administrative Assistant
23 hours ago
Toronto, Ontario, Canada Placements24 Full-timeAbout 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...
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Administrative Assistant
1 day ago
Mississauga, Ontario, Canada Peel Regional Police Full-timeOverviewAre 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...
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Records and Administrative Assistant
2 days ago
Central Ontario, ON, Canada Owen Sound Full-timeThe Town of Parry Sound, nestled amidst the breathtaking 30,000 islands of Georgian Bay, is a vibrant community committed to exceptional quality of life and public service. We are seeking a dedicated Records and Administrative Assistant to join our Administration Department. This vital role ensures the seamless flow of information, supports key municipal...
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Administrative Assistant
2 days ago
Central Ontario, ON, Canada Youth Unlimited YFC Southwestern Ontario Full-time $38,000 - $47,000 ContractCome Grow With Us!If you are passionate about doing your best work, making a difference, and having fun doing it, apply to one of our positions today!About UsWe want to see people inspired to do meaningful work. Our mission is simple - to see young people living fully in Christ. We are committed to helping youth develop holistically by offering programs and...
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Administrative Assistant
23 hours ago
Hamilton, Ontario, Canada Good Shepherd Centres Full-timeHours: 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...
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Administrative Assistant
23 hours ago
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...
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Administrative Assistant
24 hours ago
Richmond Hill, Ontario, Canada RBC Dominion Securities Full-time $35,000 - $47,000 ContractJob 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...