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.


  • Ontario, Canada College of Nurses of Ontario Full-time $61,157 - $65,583 Contract

    JOB DESCRIPTIONJob Title: Administrative AssistantJob Status: Permanent (Existing Position) Team: Prosecutions Reports to: Manager or DirectorJob Level: 2I. JOB PURPOSEProvides a variety of team-specific and general administrative support to facilitate efficient team operations.II. KEY RESPONSIBILITIES• Provides information and assistance to support team...


  • Northwestern Ontario, ON, Canada Northern Peak HR Full-time

    a 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,...


  • Northwestern Ontario, ON, Canada Anishinabek Employment & Training Services Full-time

    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...


  • Northeastern Ontario, ON, Canada RBC Full-time

    Job Description What is the opportunity? RBC Dominion Securities is a relationship-focused investment and wealth management firm that consistently ranks #1 in Canada. We are proud of our collaborative, supportive culture that enables success at every level and equips us to help our clients achieve their financial goals. The RBC Dominion Securities branch...


  • 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...


  • Ontario, Canada University-of-Waterlo Full-time €61,955 - €77,444 Temporary

    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 part of...


  • Ontario, Canada Waterloo International Full-time €61,955 - €77,444 Temporary

    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 ideas to...


  • Ontario, Canada Englobe Corp. Full-time €40,807 - €53,560 Temporary

    Your mission You 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...


  • Southwestern Ontario, ON, Canada University-of-Waterlo Full-time $62,000 - $77,000 Contract

    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 part of...


  • 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...


  • Ontario, Canada Rogers Full-time

    Enhance administrative support at the Ontario First Nations Technical Services Corporation as an Administrative Assistant. This role focuses on organization, communication, and collaboration within senior management teams. The Ontario First Nations Technical Services Corporation is looking for a motivated Administrative Assistant. Reporting to the Director...


  • East York, Ontario, ON, Canada Kennedy House Full-time

    **ABOUT US** Kennedy House (KH) is a not-for-profit organization with a long-standing dedication to providing exceptional personalized care for youth in the Greater Toronto Area for over 50 years. KH started with an initial family-like group home in 1971 and currently operates several residential and community-based programs, for marginalized and at-risk...


  • Eastern Ontario, ON, Canada RTX Full-time $44,000 - $80,000 Contract

    Location: 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...


  • Northwestern Ontario, ON, Canada Englobe Corp. Full-time

    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 -...


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

    About 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...


  • Central Ontario, ON, Canada Owen Sound Full-time

    The 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...


  • Northwestern Ontario, ON, Canada Doane Grant Thornton LLP Full-time

    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...


  • Ontario, Canada University of Waterloo Full-time €61,955 - €77,444 Temporary

    About 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...


  • Ontario, Canada Ontario First Nations Technical Services Corporation Full-time

    Administrative 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...


  • Ontario, Canada RTX Full-time €44,000 - €80,000 Temporary

    Location: 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...