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.


  • Ontario, Canada Lakehead University Full-time

    The Administrative Assistant is responsible for the day-to-day administration of the Office of Student Affairs. This role provides comprehensive administrative, coordination, and logistical support to the Vice-Provost, Students & Registrar, and the Associate Vice-Provost, Students. The incumbent serves as a key point of contact for the office, manages...


  • 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...


  • Ontario, Canada Dilico-Anishinabek-Family-Care Full-time

    Optional 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...


  • Ontario, Canada University of Waterloo Full-time $61,954 - $77,443 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...


  • Northwestern Ontario, ON, Canada Lakehead University Full-time $55,000 - $75,000 Contract

    The Administrative Assistant is responsible for the day-to-day administration of the Office of Student Affairs. This role provides comprehensive administrative, coordination, and logistical support to the Vice-Provost, Students & Registrar, and the Associate Vice-Provost, Students. The incumbent serves as a key point of contact for the office, manages...


  • Northeastern Ontario, ON, Canada Wiikwemkoong Full-time

    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...


  • 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 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...


  • 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 -...


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

    Location: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...


  • Eastern Ontario, ON, Canada RTX Corporation (old) 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...


  • 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...


  • 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...


  • northwestern ontario, on, 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...


  • northwestern ontario, on, Canada Aroland Economic Development LP Full-time

    Aroland Economic Development supports the economic growth and sustainability of Aroland First Nation through community-focused initiatives, partnerships, and development opportunities. As the organization continues to establish its governance and operational structure, this role will play a key part in supporting foundational administrative and financial...


  • 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,...


  • Ontario, Canada Dilico Anishinabek Family Care Full-time

    Become 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...


  • Ontario, Canada Dilico Anishinabek Family Care Full-time €24 - €30 Temporary

    Why 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,...


  • Ontario, Canada University of Waterloo 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 University of Waterloo 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. The University is a welcoming workplace for those of all abilities, interests, and expertise. Job Requisition ID: 2026-02904 Time Type: Full time Employee Group:...