IT Infrastructure Analyst - Network/Firewall

Build What Matters

At Graham, one of North America’s largest general contractors, we don’t just build projects, we enable the systems and services that make construction possible. As part of our Corporate Services team, you’ll support impactful work across the region through expertise in HR Advisory, Communications, Supply Chain, Finance, and more.

Here, your work has purpose. Your growth is supported. And your impact is lasting.

Join a team that builds with commitment, reliability, and integrity. Apply today and help us build what matters.

Your Impact Starts Here 

Graham is actively recruiting for an Intermediate IT Infrastructure Analyst (Networking and Firewalls) with a strong LAN/WAN and security focus supporting Corporate IT Services.

Reporting to the IT Infrastructure Lead, the incumbent plays a key role in design and sustain our enterprise network services across offices, jobsites, and cloud edges—owning day to day operations along with projects like SASE rollouts, office moves/teardowns/setups, and M&A cutovers.

This is a fulltime, working from our Calgary Corporate Office role

Your Role in Building What Matters – From Office to Site 

• Manage and troubleshoot network infrastructure, including L2/L3 routing, switching, QoS, VPN/IPsec, and LAN/WAN environments.


• Administer cloud networking across AWS VPCs and Azure VNETs.


• Operate and secure firewalls, including Fortinet FortiGate policies, SD‑WAN, VPNs, and security profiles. Execute network/firewall cutovers, IP/DNS/DHCP migration steps, and access integrations to standardize newly acquired environments


• Support and optimize wireless and NAC solutions, particularly Aruba wireless and Aruba ClearPass for authentication and access control.


• Execute onsite networking work, including office moves, expansions, ISP coordination, and equipment installation.


• Lead network reliability and sustainment, including patching, upgrades, configuration management, documentation, and automation.

The Right Tools for the Job 

• Education: Degree in Computer Science, Information Technology, or related field


• Experience: 5+ years in network/infrastructure support in an enterprise, MSP, or multi-site environment with hands-on experience with office moves, site builds, and M&A integration work with PowerShell script development, troubleshooting and execution.


• Software: Aruba Wireless, Aruba Central, Aruba ClearPass
  
  
  
  • Fortinet Firewall (FortiGate / FortiOS - policy, NAT, VPN, SD WAN, HA, upgrades, troubleshooting).
  
  
  • Solid understanding of enterprise LAN/WAN, routing, switching, DHCP/DNS, IP addressing, segmentation, QoS.
  
  
  • PowerShell scripting (development, troubleshooting, execution).
  
  
  
  


• Nice to have: Fortinet NSE4+, Aruba ACMP/ACSP, CCNP Enterprise/Security, experience with SASE/ZTNA, Azure networking, Wi Fi design tools and basic scripting (BASH/Python)

Lay the Foundation for Your Next Career Move. Apply Today.

At Graham, we’re building more than structures, we’re building futures. Join a team that delivers excellence from the ground up and makes a lasting impact across Canada.

We’re proud to be an Equal Opportunity Employer and are committed to an inclusive, accessible workplace. Accommodations are available throughout the hiring process when requested. Please contact [email protected] for accommodation requests. 

Unsolicited resumes or candidate profiles will not be accepted and will become the property of Jardeg/Graham.

As Graham’s trusted recruitment partner, Jardeg supports the hiring of skilled professionals across Buildings, Industrial, Infrastructure, Water, Development, and Services projects nationwide.