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

$80K - $95K *

Grow your career with a dynamic team, driving analysis and reporting to enhance operational efficiency and compliance while fostering client relationships in a fast-paced environment...

Toronto, ONIn-Person

4 days ago

  •   Less than 5 years exp.  •   Business Services

$92K - $118K *

Transform enterprise software solutions for financial services. Collaborate with cross-functional teams to design, build, and maintain complex web applications, ensuring high-quality deliverables thro...

Toronto, ONIn-Person

1 week ago

  •   Less than 5 years exp.  •   Finance & Insurance

$150K - $165K *

Drive growth by acquiring new accounts and nurturing existing relationships. Engage customers with solutions tailored to their needs while meeting quarterly sales goals. Collaborate with partners and...

Toronto, ONIn-Person

3 days ago

  •   5 - 7 years exp.  •   Enterprise Technology

$80K - $95K *

Lead process innovation by collaborating across teams to enhance customer experiences, drive operational excellence, and resolve complex issues in a dynamic environment focused on continuous improveme...

Toronto, ONIn-Person

2 days ago

  •   Less than 5 years exp.  •   Finance & Insurance

$110K - $130K *

Empower operational efficiencies in technology risk management by leading initiatives that assess and mitigate risks while fostering compliance and security awareness across diverse payment portfolios...

Toronto, ONIn-Person

3 weeks ago

  •   5 - 7 years exp.  •   Finance & Insurance

$70K - $106K *

Join a team that's innovating software applications, supporting development, maintenance, and user interaction. Collaborate on business solutions, troubleshoot issues, and ensure applications align wi...

Toronto, ONIn-Person

Reposted 2 weeks ago

  •   5 - 7 years exp.  •   Information Technology

$110K - $145K *

Drive comprehensive project schedules, ensuring collaboration and timely delivery across construction, engineering, and sourcing teams. Support stakeholders with insights, coaching, and effective comm...

Toronto, ONIn-Person

6 days ago

  •   5 - 7 years exp.  •   Transportation

$110K - $145K *

Drive collaborative project planning and management initiatives, ensuring efficient scheduling and execution across teams. Play a vital role in enhancing the operations of a major transit system while...

Toronto, ONIn-Person

6 days ago

  •   5 - 7 years exp.  •   Transportation

$155K - $165K *

Drive innovation in cloud infrastructure and CI/CD methodologies. Lead the integration of AI tooling to enhance DevOps practices, ensuring reliability and scalability while collaborating effectively i...

US-AnywhereRemote

Reposted 3 weeks ago

  •   5 - 7 years exp.  •   Enterprise Technology

$72K - $90K *

Unlock potential by driving requirements management for complex projects, leveraging expertise in Capital Markets and advanced analytical skills. Collaborate with various teams to optimize workflows a...

Toronto, ONIn-Person

3 weeks ago

  •   Less than 5 years exp.  •   Finance & Insurance

$80K - $90K *

Elevate your career by joining a dynamic cybersecurity team, focusing on threat detection, incident response, and vulnerability management to safeguard our growing environment in a vital security oper...

Toronto, ONIn-Person

2 weeks ago

  •   Less than 5 years exp.  •   Information Technology

$110K - $130K *

Innovate your career by building a robust detection and response program from scratch. Design critical security architectures, lead incident responses, and develop high-signal detections while collabo...

4 weeks ago

  •   5 - 7 years exp.  •   Information Technology

$86K - $130K *

Join a team that's focused on enhancing Azure-based developer platforms through monitoring, incident response, automation, and operational support. Help maintain system reliability, availability, and...

Toronto, ONIn-Person

Reposted 3 weeks ago

  •   5 - 7 years exp.  •   Information Technology

$90K - $110K *

Join a team that's redefining construction through digital innovation. Oversee large-scale projects while driving collaboration, enhancing workflows, and implementing advanced digital processes for ef...

Mississauga, ONIn-Person

Reposted 3 weeks ago

  •   5 - 7 years exp.  •   Real Estate & Construction

$80K - $95K *

Drive impactful commercial management across diverse infrastructure projects, enhancing governance and reporting while fostering collaborative environments for stakeholders. Transform project executio...

Toronto, ONIn-Person

1 week ago

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

$125K - $150K *

Drive enterprise-wide strategic initiatives by leading complex, high-value projects while ensuring alignment with organizational goals and maintaining strong stakeholder relationships across functions...

Toronto, ONIn-Person

Reposted today

  •   8 - 10 years exp.  •   Enterprise Technology

$76K - $95K *

Transform your career by leading innovative drug development processes and managing project objectives in a dynamic environment. Engage with clients and mentor teams while enhancing pharmaceutical for...

Whitby, ONIn-Person

2 weeks ago

  •   Less than 5 years exp.  •   Pharmaceuticals & Biotech

$94K - $106K *

Grow your career as a Senior Financial Analyst, leading tax filings and compliance efforts while collaborating on financial reporting to meet Public Sector Accounting Standards and enhancing overall a...

Brampton, ONIn-Person

6 days ago

  •   5 - 7 years exp.  •   Finance & Insurance

$94K - $106K *

Reimagine your career with an opportunity to lead financial operations, tax compliance, and reporting. Collaborate with a dynamic team to support adherence to public sector accounting standards in a h...

US-AnywhereRemote

1 week ago

  •   5 - 7 years exp.  •   Finance & Insurance

$106K - $143K *

Shape the future of cybersecurity by leading incident response and enhancing security systems across the organization. Collaborate with cross-functional teams to unify practices and optimize operation...

US-AnywhereRemote

3 weeks ago

  •   5 - 7 years exp.  •   Information Technology

$95K - $115K *

Drive the strategic design and delivery of global IT risk reporting, translating complex data into actionable insights for senior leadership while maintaining strong governance practices and stakehold...

Toronto, ONIn-Person

Reposted today

  •   Less than 5 years exp.  •   Finance & Insurance

$78K - $92K *

Elevate your career as a Senior Analyst, driving risk management and operational efficiency while supporting strategic decisions and fostering business growth through data analysis and cross-departmen...

Mississauga, ONIn-Person

1 week ago

  •   Less than 5 years exp.  •   Healthcare

$103K - $153K *

Elevate your career by joining a dynamic team focused on enhancing investment reporting, analytics, and operational excellence through data management and cross-functional collaboration in a fast-pace...

Toronto, ONIn-Person

1 week ago

  •   Less than 5 years exp.  •   Finance & Insurance

$90K - $110K *

Drive the enhancement of global talent management and L&D initiatives by partnering with HR and leadership to identify capabilities, develop succession plans, and create targeted learning solutions th...

Toronto, ONIn-Person

1 week ago

  •   5 - 7 years exp.  •   Business Services

$68K - $103K *

Join a dynamic team to utilize and expand your drafting skills in a hybrid setting. Collaborate with professionals to create design drawings, gain hands-on 3D software experience, and contribute to im...

North York, ONIn-Person

Reposted 3 weeks ago

  •   8 - 10 years exp.  •   Aerospace & Defense