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1,000+

Senior Windows Administrator Jobs in Mississauga, ON

Sort By: Relevance

$80K - $95K *

Serve as a key financial partner, delivering tailored advice and building lasting customer relationships. Committed to meeting sales goals, you will enhance client experiences through proactive engage...

Toronto, ONIn-Person

3 weeks ago

  •   Less than 5 years exp.  •   Finance & Insurance

$80K - $95K *

Elevate paid social strategies by driving Meta campaigns for DTC brands, managing large budgets, and mentoring junior staff while maintaining high-performance standards and strategic oversight across...

Toronto, ONIn-Person

1 week ago

  •   Less than 5 years exp.  •   Business Services

$154K - $247K *

Join a team that's redefining cloud infrastructure by leading diverse technical experts to enhance AWS and Azure capabilities while ensuring security, efficiency, and scalable solutions for enterprise...

Toronto, ONIn-Person

3 weeks ago

  •   5 - 7 years exp.  •   Information Technology

$100K - $120K *

Lead agile project delivery for complex, high-value initiatives, ensuring governance, risk management, and continuous improvement while fostering team culture and client-centricity to achieve project...

Toronto, ONIn-Person

3 days ago

  •   5 - 7 years exp.  •   Information Technology

$93K - $116K *

Optimize operational support and project involvement in healthcare applications. Engage in user training and system implementations, ensuring efficiency across diverse platforms while collaborating ef...

Oakville, ONIn-Person

6 days ago

  •   5 - 7 years exp.  •   Healthcare

$80K - $120K *

Lead the charge in managing high voltage test operations, ensuring compliance and safety standards. Oversee lab personnel training, coordinate testing with production, and maintain testing instruments...

Pickering, ONIn-Person

Reposted 6 days ago

  •   5 - 7 years exp.  •   Energy & Utilities

$99K - $164K *

Drive complex capital projects by leading renovations, expansions, and design-builds. Collaborate with key stakeholders and employ strategic project management to ensure successful delivery and compli...

Toronto, ONIn-Person

1 week ago

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

$100K - $120K *

Join a dynamic team as you lead water resources projects, enhance client relations, and mentor professionals. Drive innovation in stormwater management, hydrologic modeling, and environmental assessme...

Markham, ONIn-Person

6 days ago

  •   8 - 10 years exp.  •   Energy & Utilities

$110K - $130K *

Lead the transformation of commercial underwriting with innovative AI solutions, driving product strategy and cross-functional collaboration to deliver user-centric outcomes and foster industry advanc...

Toronto, ONIn-Person

3 weeks ago

  •   5 - 7 years exp.  •   Finance & Insurance

$88K - $110K *

Join a team that's driving strategic IT procurement to ensure the alignment of technology initiatives with business goals, while optimizing spending and fostering supplier partnerships for outstanding...

US-AnywhereRemote

Reposted today

  •   Less than 5 years exp.  •   Information Technology

$111K - $153K *

Elevate your career by driving innovative nuclear power plant design and modifications. Collaborate with engineers to enhance plant systems while ensuring compliance with industry standards and leadin...

North York, ONIn-Person

3 weeks ago

  •   5 - 7 years exp.  •   Energy & Utilities

$110K - $130K *

Drive innovative tailings management solutions by leading engineering projects and providing strategic guidance as an Engineer of Record. Collaborate cross-functionally to ensure technical excellence...

Markham, ONIn-Person

Today

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

$172K - $229K *

Architect, build, and optimize integration systems that enhance data movement across diverse platforms. Drive technical excellence and lead cross-functional teams to ensure efficient execution of long...

Toronto, ONIn-Person

3 days ago

  •   8 - 10 years exp.  •   Finance & Insurance

$88K - $95K *

Lead the charge in supervising production operations, driving safety and quality in the Door Department during the afternoon shift while fostering team collaboration and continuous improvement initiat...

Woodbridge, ONIn-Person

Reposted 3 days ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$138K - $179K *

Design and build robust data architectures that bridge data engineering and analytics, enabling the development of self-serve reporting and AI-driven insights for impactful business intelligence outco...

US-AnywhereRemote

Reposted 1 week ago

  •   5 - 7 years exp.  •   Enterprise Technology

$100K - $120K *

Lead the charge in ensuring quality clinical trial execution by managing investigator sites, safeguarding patient safety, and driving compliance with regulatory standards while enhancing stakeholder r...

US-AnywhereRemote

1 week ago

  •   Less than 5 years exp.  •   Pharmaceuticals & Biotech

$64K - $114K *

Elevate training excellence by designing and delivering impactful instructional programs, engaging diverse audiences, and ensuring high-quality support for technology initiatives within a dynamic envi...

Toronto, ONIn-Person

Reposted 3 weeks ago

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

$65K - $113K *

Engage with us to provide vital audit assurance over Global Treasury controls, evaluating risks, documenting findings, and fostering relationships while ensuring regulatory compliance and operational...

Toronto, ONIn-Person

1 week ago

  •   Less than 5 years exp.  •   Finance & Insurance

$100K - $120K *

Shape the future of complex enterprise projects by overseeing delivery coordination, maintaining artifacts, and ensuring alignment to scope and standards across multiple workstreams. Engage independen...

Toronto, ONIn-Person

1 week ago

  •   5 - 7 years exp.  •   Enterprise Technology

$81K - $115K *

Architect innovative engineering solutions, develop and enhance applications, and support business initiatives. Collaborate with stakeholders to ensure performance and compliance, while continuously i...

Toronto, ONIn-Person

6 days ago

  •   Less than 5 years exp.  •   Information Technology

$80K - $95K *

Transform asset management outcomes by leading evaluation projects, conducting condition assessments, and engaging stakeholders to drive informed capital planning strategies and compliance with regula...

Markham, ONIn-Person

Yesterday

  •   Less than 5 years exp.  •   Real Estate & Construction

$102K - $132K *

Elevate actuarial reserving analyses for P&C reinsurance. Collaborate with cross-functional teams to enhance financial reporting and communicate complex results, requiring strong technical skills and...

Toronto, ONIn-Person

Reposted today

  •   5 - 7 years exp.  •   Finance & Insurance

$103K - $129K *

Elevate cybersecurity governance through strategic leadership, driving compliance, risk management, and team development across IT and OT environments while interfacing with senior leadership and cros...

Concord, ONIn-Person

2 weeks ago

  •   11 - 15 years exp.  •   Information Technology

$95K - $135K *

Lead the charge in optimizing maintenance operations through strategic initiatives, team development, and process improvement to enhance productivity, reliability, and safety in the manufacturing envi...

Toronto, ONIn-Person

1 week ago

  •   5 - 7 years exp.  •   Food & Beverages

$109K - $191K *

Lead the charge in ensuring application stability and optimizing performance. Collaborate with engineering teams to troubleshoot and resolve complex issues in production environments, impacting thousa...

Toronto, ONIn-Person

1 week ago

  •   5 - 7 years exp.  •   Information Technology