Senior Windows Administrator Jobs in Mississauga, ON

Join a team that's managing intricate utility-scale fiber infrastructure projects. This role requires leading cross-functional teams and driving project execution through both agile and waterfall meth...

Join a dynamic team to optimize data integration processes, enhance data quality, and drive collaboration across departments. Leverage your ETL expertise to maintain high-performance data systems for...

Join a team that's committed to designing and managing innovative storage and compute solutions, ensuring optimal performance and security across systems. Collaborate with stakeholders to drive operat...

Champion the development of innovative Windows client solutions. Collaborate with engineering teams to enhance our product offering, focusing on creating a seamless user experience while maintaining h...

Join a team that's shaping the future of AI evaluation by developing centralized testing frameworks, auditing results, and ensuring product quality through innovative statistical methods and collabora...

Join a dynamic team to lead the assessment and integration of complex applications, enhancing technical solutions and mentoring junior staff while fostering collaboration with various stakeholders and...

Pioneer innovative isolation and networking solutions for a scalable platform, ensuring secure and efficient multi-tenant environments. Leverage Linux and process management expertise to enhance autom...

Optimize business outcomes by translating complex requirements into actionable user stories, engaging with stakeholders across Capital Markets to ensure successful technology initiatives and thorough...

Optimize operational efficiency at SCDaaS by managing SimCorp support services, ensuring reliability and exceptional customer service, while collaborating with global teams on complex incidents and de...

Join a team that's dedicated to developing and improving our privacy program through governance, risk management, and collaboration across Product and Security teams to ensure compliance with evolving...

Drive frontend excellence by designing, developing, and mentoring within a dynamic team, enhancing user experiences across modern web applications in the construction industry...

Tackle the design and automation of modern IT infrastructure while ensuring strategic governance. Collaborate with technical teams to enhance system reliability, scalability, and security, driving inn...

Reimagine customer engagement by leading transformative initiatives that drive automation value and enhance business outcomes for healthcare organizations. Foster strategic alliances, manage complex p...

Shape the future of IT infrastructure by managing systems and driving automation. Leverage your expertise to optimize performance, enhance security, and ensure stability across virtual and physical en...

Join a transformative journey in Canadian Wealth Management. Lead testing and governance for complex initiatives, ensuring compliance and quality across diverse wealth management platforms while manag...

Join a team that's dedicated to ensuring IT security across diverse platforms. You'll manage access requests, provide troubleshooting support, and help shape security processes. Your expertise will pl...

Shape the future of internal auditing by executing operational, compliance, and financial audits while providing consultative support to enhance controls and drive improvements across the organization...

Lead the development and integration of innovative applications and systems, focusing on enhancing productivity through AI tools and Microsoft platforms while managing projects to meet internal and ex...

Champion effective operational support by leading the configuration and maintenance of core insurance systems, bridging business needs and technology solutions to enhance efficiency and stakeholder co...

Lead the design and support of enterprise UC platforms, ensuring reliability and security while managing vendor escalations and incident responses for seamless communications across the Americas regio...

Lead and oversee large-scale analytics and data management projects for major clients, ensuring best practices and team collaboration to drive innovation and deliver exceptional client value while man...

Elevate operational support in Cyber Security by managing network and endpoint security tools, ensuring timely incident resolution, collaborating with teams, and integrating automation solutions to en...

Join our Cyber Defense Operations team as a SOC Analyst, protecting enterprise infrastructure and customer products from advanced threats. Collaborate with experts using AI-driven tools to enhance sec...

Join a team that's revolutionizing cloud infrastructure management by designing, deploying, and securing dual-cloud environments, ensuring seamless operation across diverse OS platforms in a dynamic t...

Elevate application security practices by leading architecture reviews, threat modeling, and secure SDLC implementations. Collaborate with teams to secure cloud-native solutions and emerging technolog...