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
1 day 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
2 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
2 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
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
1 day 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
1 day 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
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
Southwestern Ontario, ON, Canada Waterloo International Full-timeAdministrative 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
1 day 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
1 day 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
2 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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1588: ADMINISTRATIVE ASSISTANT
1 day 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
4 days ago
Ontario, Canada Anishinabek Employment & Training Services Full-time €45,000 - €55,000 TemporaryThe 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
4 days ago
Ontario, Canada Northern Peak HR Full-time €50,000 - €55,000 Temporarya partnership between Dallan LP, Lac Des Mille Lac First Nation, Nigigoonsiminikaaning First Nation and Dale Levesque, a member of the Fort William First Nation. Additionally, Dallan LP is a 100% indigenous-owned business that provides industrial yard services which includes a variety of heavy equipment operations, maintenance and general labour. Further,...
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Administrative Assistant to the Chair
1 day ago
Southwestern Ontario, ON, Canada University of Waterloo 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 at Dilico
1 day ago
Northwestern Ontario, ON, Canada Dilico Anishinabek Family Care Full-timeBecome the backbone of the Child Welfare program with Dilico as an Administrative Assistant. Ensure accurate client files and support daily administrative duties in a meaningful role. Under the direction of a Child Welfare Manager, the Administrative Assistant facilitates program organization and timely completion of tasks. This position requires managing...
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1588: ADMINISTRATIVE ASSISTANT
1 day ago
Northwestern Ontario, ON, Canada Dilico Anishinabek Family Care Full-timeWhy 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, healthcare, and...
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Administrative Assistant Renfrew
1 day ago
Eastern Ontario, ON, Canada RTX Corporation Full-time $44,000 - $80,000 ContractBring exceptional organization and Microsoft Office skills to Raytheon Canada’s onsite Administrative Assistant position in Renfrew, Ontario. Support program and warehouse management.This Administrative Assistant provides professional administrative and organizational support at Raytheon Canada’s Renfrew location. The position requires calendar...
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Administrative Assistant
3 days ago
Ontario, Canada Waterloo International Full-time €61,955 - €77,444 TemporaryAdministrative Assistant to the ChairApply: Waterloo, Ontario, Canada: Full time: Posted Today: 2026-02904At 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. The University is a welcoming workplace for those of...
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Administrative Assistant to the Chair
3 days ago
Ontario, Canada Waterloo International Full-time €61,955 - €77,444 Temporary# Administrative Assistant to the ChairApply: Waterloo, Ontario, Canada: Full time: Posted Today: 2026-02904At 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....