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1,000+

Senior Windows Administrator Jobs in Mississauga, ON

Sort By: Relevance

$81K - $115K *

Join a team that's dedicated to enhancing operational performance through expert audits. As you lead and execute complex audits, you'll provide strategic guidance and recommendations, ensuring adheren...

Toronto, ONIn-Person

Reposted 1 week ago

  •   5 - 7 years exp.  •   Finance & Insurance

$80K - $95K *

Advance talent acquisition strategies by managing early recruitment efforts, building essential partnerships, and supporting a comprehensive internship program to engage top graduates within the Capit...

Toronto, ONIn-Person

1 week ago

  •   Less than 5 years exp.  •   Finance & Insurance

$90K - $120K *

Join a team that advises on complex capital projects, enhancing public and private sector delivery. You will provide strategic insights, manage financial analyses, and foster stakeholder engagement to...

Toronto, ONIn-Person

3 weeks ago

  •   5 - 7 years exp.  •   Business Services

$90K - $125K *

Drive innovation by designing and optimizing system solutions for a major public transit expansion, collaborating with diverse teams for technical consistency and efficiency in a fast-paced environmen...

Toronto, ONIn-Person

Today

  •   5 - 7 years exp.  •   Transportation

$90K - $125K *

Transform the future of transit by engineering innovative systems solutions, collaborating across diverse teams to enhance operational efficiency and reduce environmental impact in a leading public tr...

Toronto, ONIn-Person

5 days ago

  •   5 - 7 years exp.  •   Transportation

$104K - $135K *

Help us drive innovation by leading a cross-functional team to build and enhance a cutting-edge transportation intelligence platform, blending technical expertise with strong project management and co...

Oakville, ONIn-Person

3 weeks ago

  •   Less than 5 years exp.  •   Consumer Technology

$85K - $100K *

Transform your career by leading cable containment design efforts, integrating various engineering disciplines, ensuring compliance with standards, and driving innovation on a cutting-edge transit pro...

Toronto, ONIn-Person

3 weeks ago

  •   5 - 7 years exp.  •   Transportation

$110K - $130K *

Unlock potential by driving strategic sales initiatives in Ontario's public sector to expand our IT services footprint, leveraging deep procurement knowledge and client relationships to secure high-va...

Toronto, ONIn-Person

Reposted 4 weeks ago

  •   8 - 10 years exp.  •   Information Technology

$83K - $195K *

Shape the future of enterprise transformation in the Utilities and Energy sector by evaluating technology landscapes, identifying capability gaps, and developing strategic roadmaps. Lead initiatives t...

Mississauga, ONIn-Person

3 weeks ago

  •   11 - 15 years exp.  •   Energy & Utilities

$110K - $130K *

Shape the future of retail by leading multiple technical initiatives, ensuring seamless delivery, governance, and collaboration across teams. Bring your expertise to drive projects on time and within...

2 weeks ago

  •   5 - 7 years exp.  •   Retail & Consumer Goods

$72K - $97K *

Join a dynamic team as you lead estimating efforts, collaborate across departments, and ensure competitive proposals for low voltage systems. Elevate your career while delivering high-quality service...

Toronto, ONIn-Person

2 days ago

  •   Less than 5 years exp.  •   Telecommunications & Hardware

$126K - $176K *

Drive innovation by architecting and implementing Microsoft technologies, solving complex client challenges, and cultivating strong client relationships. Lead projects, mentor teams, and enhance clien...

Toronto, ONIn-Person

Reposted 3 weeks ago

  •   8 - 10 years exp.  •   Enterprise Technology

$100K - $120K *

Join a team that's driving excellence in release management by coordinating and implementing application releases across environments. Leverage your governance skills to ensure smooth deployments and...

Toronto, ONIn-Person

2 weeks ago

  •   Less than 5 years exp.  •   Enterprise Technology

$81K - $108K *

Join a team that's redefining financial analysis and reporting. Leverage your accounting expertise to prepare insights and statements that drive decision-making and ensure compliance with internationa...

Toronto, ONIn-Person

1 week ago

  •   Less than 5 years exp.  •   Finance & Insurance

$74K - $109K *

Join us to enhance security services at city facilities, ensuring safety and compliance while leading a dedicated team and managing operations, budgets, and emergency responses. Your expertise will pl...

Toronto, ONIn-Person

1 week ago

  •   5 - 7 years exp.  •   Education, Government & Non-Profit

$100K - $120K *

Drive the development of cloud-native applications in the Auto industry by architecting backend solutions, optimizing system performance, and fostering cross-functional collaboration. Join a dynamic t...

Kitchener, ONIn-Person

3 weeks ago

  •   5 - 7 years exp.  •   Enterprise Technology

$75K - $103K *

Shape the future of capital investment analysis by providing financial insights, collaborating with business leaders, and ensuring optimal project governance. Drive strategic decisions with hands-on s...

Mississauga, ONIn-Person

4 weeks ago

  •   Less than 5 years exp.  •   Finance & Insurance

$110K - $130K *

Transform your career by designing and developing scalable, high-performance applications. Collaborate with cross-functional teams to solve complex challenges while delivering efficient, maintainable...

US-AnywhereRemote

1 week ago

  •   5 - 7 years exp.  •   Information Technology

$110K - $130K *

Collaborate with cross-functional teams to design, develop, and deploy scalable, high-performance web applications using Java, while mentoring others and optimizing processes in a dynamic remote envir...

US-AnywhereRemote

Reposted 3 weeks ago

  •   5 - 7 years exp.  •   Information Technology

$75K - $90K *

Contribute to the success of the Inside Sales Team by providing technical expertise, preparing detailed product quotations, and collaborating with customers and engineering teams to meet diverse appli...

Brampton, ONIn-Person

6 days ago

  •   Less than 5 years exp.  •   Technical Services

$84K - $110K *

Reimagine risk management in a key role that ensures effective compliance, evaluates controls, and partners with stakeholders to drive strategic objectives, while fostering a culture of governance and...

Mississauga, ONIn-Person

1 week ago

  •   Less than 5 years exp.  •   Finance & Insurance

$75K - $90K *

Join a team that's dedicated to advancing healthcare technology. Collaborate with stakeholders to implement and maintain smart hospital systems, ensuring quality care delivery and innovative solutions...

Vaughan, ONIn-Person

1 week ago

  •   Less than 5 years exp.  •   Hospitals & Medical Centers

$80K - $95K *

Champion the development and support of the PeopleSoft GL module, collaborating with cross-functional stakeholders to analyze business needs and ensure effective IT solutions, driving financial system...

Toronto, ONIn-Person

Reposted 3 weeks ago

  •   Less than 5 years exp.  •   Finance & Insurance

$71K - $107K *

Take ownership of financial reporting and planning at an enterprise level, enabling insightful analysis and strategic guidance. Collaborate with cross-functional teams to drive business performance an...

Mississauga, ONIn-Person

1 week ago

  •   Less than 5 years exp.  •   Finance & Insurance

$120K - $170K *

Drive business growth by enhancing trading functionalities on a global equities platform. Engage with diverse teams through the software development lifecycle, from development to ongoing support, ens...

Mississauga, ONIn-Person

3 weeks ago

  •   8 - 10 years exp.  •   Finance & Insurance