The City of Markham is proud to be recognized for the 5 th consecutive year as one of Canada’s Best Employers by Forbes and Statista Inc. In 2025, the City of Markham is ranked 2nd among municipalities in Canada and 12th overall for Government Services. The recipient of multiple environmental awards, we are recognized for our innovative sustainability and urban planning initiatives as well as our fiscal accountability. More than 366,000 residents call Markham home and benefit from our rich heritage, culturally diverse environment, vibrant local economy and focus on quality of life.

Applications are now being accepted for the above position in the Information Technology Services Department, Corporate Services Commission. To apply, please submit your cover letter and resume online by October 3, 2025. Join us and make a lasting difference! Job Summary Reporting to the Lead, Network Infrastructure, you will be part of the Technology Infrastructure Services Support team providing second- and third-level technical support to internal departments. You will ensure reliable IT services, maintain infrastructure systems, and support ongoing technological improvements.

This role is hands-on and covers data center technologies, cloud services, network infrastructure, and disaster recovery, contributing directly to the City’s high-availability IT infrastructure.

Key Duties And Responsibilities

• Provide Level 2 and Level 3 technical support, resolving complex IT infrastructure issues.
• Monitor, maintain, and troubleshoot data center technologies, servers, storage systems, and backup/disaster recovery solutions.
• Administer and support Microsoft Azure, Microsoft 365, and virtual server infrastructures, including hyper-converged infrastructure.
• Maintain and support firewalls, VPN solutions, and IT security systems to ensure secure access and protection of corporate infrastructure.
• Assist in the implementation, configuration, and administration of IT security measures working in conjunction with the Cyber Security team.
• Collaborate with internal stakeholders and business units to assess IT infrastructure needs, recommend solutions, and implement improvements.
• Participate in IT projects, including system upgrades, migrations, and technology deployments.
• Maintain accurate documentation of infrastructure configurations, procedures, and support tickets.
• Ensure compliance with corporate policies and IT best practices.
• Perform other related duties as assigned.

Required Skills & Competencies

• Education & Experience: Diploma in Computer Science, Information Technology, or a related discipline with 3 to 5 years of relevant experience. An undergraduate degree will be considered an asset.

• Strong hands-on experience in:

• Maintaining, administrating and troubleshooting firewalls and VPN technologies.

• Optimization of security policies, auditing, logs review and IPS.

• Microsoft Azure administration includes identity and access management.

• Microsoft M365 cloud services including Exchange online, Teams, OneDrive, Purview, Defender and Sharepoint.

• Administration and support of enterprise virtual server environments including HCI.

• Troubleshooting network and infrastructure related issues in a complex environment.

• Administration and support of SAN (Storage Area Network) storage systems.

• Backup and disaster recovery solutions

• Considered an asset:

• Supported and maintained Application Centric Infrastructure (ACI)

• Supported and maintained Data Centre core networking technologies.

• Supported and maintained campus network and Wi-Fi infrastructure with multiple sites in a complex environment.

• Worked on Advanced routing and switching.

• Knowledge of ISP redundancy setup.

• Knowledge of Power shell scripting.

• Operational Skills:

• Excellent organizational skills, with the ability to maintain accurate inventory records and ensure compliance with backup and retention policies.

• Strong analytical and problem-solving skills, capable of diagnosing complex issues and implementing effective solutions.

• Soft Skills:

• Excellent communication and interpersonal skills, with the ability to collaborate effectively across teams and with stakeholders.

• Ability to work independently, prioritize multiple tasks, and thrive in a fast-paced environment.

• Flexibility : Willingness to work beyond regular business hours, including On-Call or standby, to address urgent or critical issues, with the ability to be onsite on short notice.

CORE BEHAVIOURS

• Service Excellence: Meets or exceeds service standards when interacting with customers in the community and in the organization.
• Change & Innovation: Responds positively and professionally to change and helps others through change.
• Teamwork & Relationship Building: Interacts with others in an inclusive, collaborative and respectful way that creates effective working relationships.
• Communication: Communicates in a clear, professional and respectful way; demonstrates active listening.
• Accountable & Results Oriented: Demonstrates ethical behaviour and accountability, aligns with City values, and abides by relevant policies and legislation.
• Management & Leadership: Demonstrates self-management, professionalism and engagement; leads by example

The City of Markham is committed to inclusive, accessible and barrier free employment practices and to creating a workplace that reflects and supports the diversity of the community we serve. Please let us know if you require an accommodation and we will work with you to ensure a barrier-free hiring process.

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