Remote
caret down
Compensation
caret down
Position Level
caret down
Time Posted
caret down
Industries
caret down
Locations
caret down
More
1
caret down
1,000+

Senior Windows Administrator Jobs in Mississauga, ON

Sort By: Relevance

$96K - $136K *

Lead the charge in delivering comprehensive IT audits, managing engagements from planning to reporting, and providing insights on technology risks. Collaborate cross-functionally to enhance control en...

Toronto, ONIn-Person

2 weeks ago

  •   5 - 7 years exp.  •   Finance & Insurance

$80K - $98K *

Drive profitable growth by underwriting Trade Credit accounts, building strong relationships, and leveraging market insights to enhance operational efficiency while collaborating with a national team...

Mississauga, ONIn-Person

3 weeks ago

  •   Less than 5 years exp.  •   Finance & Insurance

$80K - $98K *

Join a dynamic team as an Underwriter in Trade Credit, managing a diverse portfolio, enhancing skills, and fostering strong relationships while supporting profitable growth initiatives within Canada’s...

Toronto, ONIn-Person

3 weeks ago

  •   Less than 5 years exp.  •   Finance & Insurance

$110K - $130K *

Lead the charge in shaping a global Role-Based Access Control strategy, driving governance and operational excellence through collaboration with business and tech teams to enhance identity management...

Toronto, ONIn-Person

2 weeks ago

  •   5 - 7 years exp.  •   Information Technology

$87K - $116K *

Pioneer excellence in assembly supervision. Oversee a diverse team, ensure quality, safety, and productivity standards are met, while driving continuous improvement initiatives in a dynamic manufactur...

Etobicoke, ONIn-Person

3 weeks ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$110K - $130K *

Elevate data-driven decision-making by designing innovative reporting solutions that empower partners across strategic initiatives. Lead cross-functional collaboration to enhance insights and optimize...

Toronto, ONIn-Person

5 days ago

  •   5 - 7 years exp.  •   Finance & Insurance

$87K - $116K *

Lead and optimize a manufacturing assembly team to achieve KPIs in safety, quality, delivery, and cost. Empower team members through effective supervision and promote a culture of safety and continuou...

Toronto, ONIn-Person

3 weeks ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$95K - $115K *

Drive impactful insights by analyzing data and building AI solutions. Collaborate across teams to enhance decision-making, using advanced analytics in a dynamic financial environment that values innov...

Toronto, ONIn-Person

Reposted 2 weeks ago

  •   Less than 5 years exp.  •   Enterprise Technology

$110K - $151K *

Lead the charge in enhancing application security by developing robust attack protection features that safeguard user accounts. Collaborate with AI teams to build scalable solutions and influence engi...

Toronto, ONIn-Person

Reposted 4 weeks ago

  •   Less than 5 years exp.  •   Information Technology

$125K - $175K *

Empower high-performing teams by leading infrastructure cost estimating efforts, delivering strategic cost advice, mentoring professionals, and enhancing client relationships in major capital projects...

Toronto, ONIn-Person

4 weeks ago

  •   8 - 10 years exp.  •   Real Estate & Construction

$90K - $110K *

Collaborate with cross-functional teams to design and maintain enterprise data models that enhance insurance operations, reporting, and analytics. Drive data governance and support regulatory complian...

Mississauga, ONIn-Person

1 week ago

  •   5 - 7 years exp.  •   Finance & Insurance

$81K - $115K *

Accelerate progress at HR initiatives by executing people-centric change plans, ensuring adoption through strong cross-functional collaboration and structured execution to enhance colleague experience...

Toronto, ONIn-Person

5 days ago

  •   5 - 7 years exp.  •   Business Services

$100K - $120K *

Partner with us to lead and scale Revenue Operations, overseeing a team and driving strategic, high-quality client engagements through hands-on expertise and technical guidance in CRM and marketing au...

US-AnywhereRemote

3 weeks ago

  •   5 - 7 years exp.  •   Business Services

$115K - $163K *

Elevate organizational capability by leading workforce transformation initiatives and talent strategies, ensuring readiness for AI advancements while improving colleague experience and business alignm...

Toronto, ONIn-Person

6 days ago

  •   5 - 7 years exp.  •   Business Services

$100K - $120K *

Drive the evolution of security automation in cyber operations, leading initiatives for AI capabilities, defining requirements, and ensuring safe, effective automation to enhance organizational securi...

Toronto, ONIn-Person

6 days ago

  •   Less than 5 years exp.  •   Information Technology

$87K - $109K *

Reimagine employee relations as a trusted advisor, guiding managers and employees through performance management, workplace concerns, and investigations, while ensuring compliance and fostering a posi...

US-AnywhereRemote

2 weeks ago

  •   Less than 5 years exp.  •   Business Services

$77K - $120K *

Help us design and implement scalable data solutions leveraging Azure technologies, including data pipelines, data lakes, and analytics to enhance data accessibility and integrity across platforms...

Toronto, ONIn-Person

1 week ago

  •   5 - 7 years exp.  •   Information Technology

$75K - $100K *

Innovate the management of complex HV and MV substation projects. Lead cross-functional teams to deliver high-quality, timely solutions, ensuring seamless execution and strategic alignment with organi...

Hamilton, ONIn-Person

2 weeks ago

  •   Less than 5 years exp.  •   Energy & Utilities

$75K - $100K *

Lead the execution of HV and MV substation projects, ensuring strategic planning, risk management, and budget oversight. Collaborate with teams and stakeholders for timely delivery, while maintaining...

Toronto, ONIn-Person

2 weeks ago

  •   Less than 5 years exp.  •   Energy & Utilities

$75K - $100K *

Execute and manage complex HV/MV substation EPC projects, ensuring timely delivery, quality, and budget adherence. Collaborate with teams, mitigate risks, and lead stakeholder engagements to reinforce...

Barrie, ONIn-Person

2 weeks ago

  •   Less than 5 years exp.  •   Energy & Utilities

$101K - $124K *

Join our dynamic team to architect and deliver scalable frontend systems for a critical web application. Collaborate with cross-functional leaders to enhance user experience and drive initiatives that...

3 weeks ago

  •   Less than 5 years exp.  •   Information Technology

$101K - $124K *

Create and evolve high-impact frontend systems for a large-scale web application. Collaborate with UX and Product teams to ensure seamless user experiences, focusing on performance, accessibility, and...

Mississauga, ONIn-Person

3 weeks ago

  •   Less than 5 years exp.  •   Information Technology

$101K - $124K *

Join a team that's redefining commercial insurance technology as a Senior Frontend Developer. You'll architect and deliver high-quality, scalable user experiences, influencing frontend systems for a l...

North York, ONIn-Person

3 weeks ago

  •   Less than 5 years exp.  •   Information Technology

$101K - $124K *

Join a team that's shaping the future of commercial insurance technology by architecting and delivering robust, user-centric frontends for a critical web application, collaborating closely with cross...

Toronto, ONIn-Person

3 weeks ago

  •   Less than 5 years exp.  •   Information Technology

$100K - $120K *

Engage in a full-stack role emphasizing UI development for security workflows, collaborating with teams to secure customer data using React, Redux, and TypeScript, while contributing backend expertise...

Toronto, ONIn-Person

Yesterday

  •   Less than 5 years exp.  •   Information Technology