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
2 days ago
Ontario, Canada Dilico-Anishinabek-Family-Care Full-timeOptional Flexible schedule to support work-life balance OMERS Pension plan available to all employees Generous paid vacation time for Permanent employees Paid time off at Christmas above paid vacation time EFAP available to all employees and their families Benefit plan that includes dental, healthcare, and vision services for Permanent employees A...
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Administrative Assistant
1 day ago
Northeastern Ontario, ON, Canada Wiikwemkoong Full-timeNakiiwin 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
1 day ago
Southwestern Ontario, ON, Canada University-of-Waterlo Full-time $62,000 - $77,000 ContractAt 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 ideas to life, together. The University is a welcoming workplace for those of all abilities, interests, and expertise. As part of...
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Administrative Assistant
1 day 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
Ontario, Canada RTX Corporation Full-time €44,000 - €80,000 TemporaryLocation: CA-ON-RENFREW-114 ~ 1 Innovation Dr ~ INNOVATION Date Posted: 2026-10-20 Country: Canada Location: CA-ON-RENFREW-114 ~ 1 Innovation Dr ~ INNOVATION Position Role Type: Unspecified At Raytheon Canada, we are committed to both our customers and employees. Our division provides Mission Support, servicing the defence, security and aerospace...
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Administrative Assistant
3 days ago
Ontario, Canada University of Waterloo Full-time €61,955 - €77,444 TemporaryAbout Us At 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 ideas to life, together. The University is a welcoming workplace for those of all abilities, interests, and expertise. As...
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Administrative Assistant
3 days ago
Ontario, Canada RTX Full-time €44,000 - €80,000 TemporaryLocation: CA-ON-RENFREW-114 ~ 1 Innovation Dr ~ INNOVATION Position Country: Canada At Raytheon Canada, we are committed to both our customers and employees. Our division provides Mission Support, servicing the defence, security and aerospace sectors with a broad range of high technology products and services. You will be part of a valuable team that...
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Administrative Assistant
2 days ago
Southwestern Ontario, ON, Canada University of Waterloo Full-time $62,000 - $77,000 ContractAbout UsAt 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 ideas to life, together. The University is a welcoming workplace for those of all abilities, interests, and expertise. As...
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Administrative Assistant
2 days ago
Northwestern Ontario, ON, Canada Englobe Corp. Full-timeYour 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
2 days ago
Eastern Ontario, ON, Canada RTX Full-time $44,000 - $80,000 ContractLocation: CA-ON-RENFREW-114 ~ 1 Innovation Dr ~ INNOVATION PositionCountry: CanadaAt Raytheon Canada, we are committed to both our customers and employees. Our division provides Mission Support, servicing the defence, security and aerospace sectors with a broad range of high technology products and services. You will be part of a valuable team that allows...
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Administrative Assistant
2 days ago
Eastern Ontario, ON, Canada RTX Corporation Full-time $44,000 - $80,000 ContractLocation:CA-ON-RENFREW-114 ~ 1 Innovation Dr ~ INNOVATIONDate Posted:2026-10-20Country:CanadaLocation:CA-ON-RENFREW-114 ~ 1 Innovation Dr ~ INNOVATIONPosition Role Type:UnspecifiedAt Raytheon Canada, we are committed to both our customers and employees. Our division provides Mission Support, servicing the defence, security and aerospace sectors with a broad...
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Administrative Assistant – Soldier On
3 hours ago
Ontario, Canada CFMWS Full-timeWHO 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...
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Administrative assistant
2 days ago
Ontario, Canada Yi Jing Golf Club Inc Full-timeYi Jing Golf Club Inc based in Cobble Hill, BC is inviting applications from suitable candidates for the position of Administrative assistant – office who are self-motivated and have good interpersonal skills. The candidate who got selected will be required to start work as soon as possible. The vacancies refer to Permanent employment or Full time job....
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1588: ADMINISTRATIVE ASSISTANT
2 days ago
Ontario, Canada Dilico Anishinabek Family Care Full-time €24 - €30 TemporaryWhy should YOU choose Dilico? Optional Flexible schedule to support work-life balance OMERS Pension plan available to all employees Competitive salaries Generous paid vacation time for Permanent employees Paid time off at Christmas above paid vacation time EFAP available to all employees and their families Benefit plan that includes dental,...
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Administrative Assistant
3 days ago
Northwestern Ontario, ON, Canada Ontario First Nations Technical Services Corporation Full-timeAdministrative Assistant 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...
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Administrative Assistant to the Chair
1 day ago
Southwestern Ontario, ON, Canada University-of-Waterlo Full-timeAt 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 ideas to life, together. The University is a welcoming workplace for those of all abilities, interests, and expertise. As part of...
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Administrative Assistant
1 day ago
Central Ontario, ON, Canada Youth Unlimited YFC Southwestern Ontario Full-timeCome 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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Legal Administrative Assistant
1 day ago
Northwestern Ontario, ON, Canada Environment, Conservation and Parks | Environnement, Protection de la nature et Parcs Full-timeApply 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
3 hours ago
Toronto, Ontario, Canada Hines Full-time $65,000 - $70,000 ContractOverview When you join Hines, you will embark on a career journey fueled by vision and guided by leaders who set the standards of our industry. Our legacy is rooted in innovation and excellence, earning us a spot on Fast Company’s esteemed annual list of the World’s Most Innovative Companies, as well as recognition as one of U.S. News & World...
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Administrative Assistant
11 hours ago
Toronto, Ontario, Canada Robert Half Full-timeWe are looking for an Administrative Assistant to support a busy non-profit team in Toronto, Ontario through a Contract position focused on coordination, communication, and day-to-day administrative support. This role plays an important part in helping cookie order activities run smoothly by organizing information, monitoring timelines, and responding to...