Job Description

Windows Infrastructure & Security Admin

• Date Posted Jan 9, 2026
• Location Toronto, ON
• Job Type Contract
• Job ID 19074

Are you passionate about safeguarding and optimizing enterprise Windows environments? Apply Now!
Working with one of our top financial clients, this role calls for a Windows Infrastructure & Security Admin and offers a unique opportunity to contribute to a secure, reliable IT infrastructure within a highly regulated environment. The position involves supporting critical security applications, managing Windows Server and Active Directory, and ensuring compliance with industry standards, all within a hybrid work setting that balances office presence and remote flexibility. You will play a vital role in maintaining infrastructure stability, implementing security protocols, and collaborating with physical security teams to uphold enterprise security posture.
Responsibilities

• Administer, configure, and troubleshoot Windows Server environments to ensure optimal performance and security.
• Manage Active Directory including design, ongoing maintenance, group policies, authentication processes, and permission controls.
• oversee MS SQL Server operations, including deployment, security patching, performance tuning, monitoring, and disaster recovery planning.
• Maintain and optimize virtualized environments using industry-standard platforms such as Hyper-V, VMware, or Proxmox.
• Configure, monitor, and troubleshoot firewall appliances and network security devices.
• Implement and enforce security protocols, including endpoint protection, firewalls, antivirus, SIEM integration, and vulnerability management strategies.
• Collaborate with physical security teams to integrate access control systems, CCTV infrastructure, and badge management.
• Maintain comprehensive backup and recovery solutions to support data integrity, business continuity, and disaster recovery.
• Ensure compliance with financial and industry standards such as PCI DSS, SOX, GLBA, ISO 27001, and NIST frameworks.
• Develop and maintain detailed technical documentation, policies, procedures, and architectural diagrams.
• Provide advanced technical support and troubleshooting assistance to IT teams and end-users.

Desired Skill-Set

• Minimum of 3 years of experience in Windows Server administration, Active Directory management, and MS SQL Server.
• Strong knowledge of networking fundamentals including TCP/IP, OSI model, firewalls, VPNs, routers, and switches.
• Hands-on experience with virtualization platforms like VMware, Hyper-V, or Proxmox, coupled with PowerShell automation.
• Proficiency with monitoring and performance tuning tools to optimize system reliability.
• Familiarity with regulatory compliance requirements and audit support related to security controls.
• Excellent analytical, problem-solving, documentation, and communication skills.

Nice to Have

• Experience working with physical security systems and their integration with IT infrastructure.
• Proven ability to collaborate cross-functionally with cyber and physical security teams.
• Up-to-date knowledge of emerging cyber threats, risk mitigation, and security best practices.
• Focus on process improvement initiatives and automation strategies.
• Knowledge of cloud services such as AWS, Azure, and Microsoft 365.
• Relevant certifications, including Microsoft Certified: Windows Server Hybrid Administrator, CCNA, CISSP, Security+, or ITIL Foundation.
• Prior experience within a financial services environment is a plus.

BeachHead is an equal opportunity agency and employer. We advocate for you and welcome anyone regardless of race, color, religion, national origin, sex, physical or mental disability, or age.
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