Senior Systems Analyst Job Mississauga area,Ontario Canada,IT/Tech

You as a Senior Systems Analyst will:

Develop and maintain enterprise architecture models, standards, and best practices for systems and applications.

Lead the design and implementation of data protection strategies, to safeguard against unauthorized access, modification, and deletion, including encryption, secure storage, IAM controls.

Provide expert technical guidance on security and compliance frameworks (e.g., ISO 27001, NIST, GDPR).

Drive architecture and strategic planning for scalable, modular, and integrated technology solutions.

Collaborate with cross-functional teams to ensure seamless integration of systems and data protection solutions.

Analyze system performance and security metrics; recommend and implement enhancements.

Prepare and present executive-level reports on infrastructure health, risk posture, and compliance status.

Diagnose and resolve complex configuration and troubleshooting issues across multi-vendor, multi-site environments.

Administer and optimize Microsoft 365 ecosystem (Exchange Online, SharePoint, Teams, Intune) for scalability and long-term growth.

Oversee cloud-based solutions (Azure, AWS, SaaS platforms), including DNS services, patching, and upgrades.

Manage NTFS and network share permissions, ensuring proper access control and governance.

Create and maintain comprehensive documentation for corporate systems and processes.

Stay current with emerging technologies and evaluate their applicability to enterprise environments.

Mentor and provide technical leadership to junior team members.

Foster a culture of continuous improvement, automation, and operational excellence.

Is this the right role for you?

Bachelor’s degree in Computer Science, Information Technology, or a related field.

10+ years of full-time, industry-level experience as a Systems & Infrastructure Analyst or equivalent senior role.

Minimum 6+ years of IT support experience, including 2+ years administering Microsoft 365 (M365/O365), Microsoft Entra , Intune, and Active Directory Services.

Extensive experience in administration and maintenance of Active Directory, Group Policy (GPO), DHCP, DNS, DFS, ADFS, SMB, NTFS permissions.

Strong knowledge of storage technologies (Azure Cloud, SAN, NAS, DAS, Converged & Hyper-Converged) and cloud-based data protection solutions.

Hands-on experience with NASUNI hybrid cloud solutions is an asset.

Expertise in Microsoft 365 suite and Azure infrastructure, including Data Governance, Identity Management, and Single Sign-On (SSO).

Proficiency in Windows Server (2019, 2022, 2025) installation, configuration, patching, and security hardening.

Experience with SQL databases and Azure SQL Instance administration.

Strong understanding of Security Governance, Compliance, Incident Management, Change Management, and Risk Assessment.

Proven ability to manage hybrid enterprise networks (on-premises and cloud).

Familiarity with Power Shell scripting for automation and administration (asset).

Excellent problem-solving, analytical, and troubleshooting skills, with attention to detail and superior time/project management.

Self-motivated, able to work independently, and take initiative in a fast-paced environment.

Commitment to continuous learning and adoption of emerging technologies, especially in enterprise and construction environments.

Ellis Don is proud to provide this unique career opportunity that provides continuous learning, opportunity for growth, and a competitive compensation package within an environment that is committed to inclusion and respects diversity.


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