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EllisDon

Cradle-to-grave construction and lifecycle services

Network Engineer

Network Engineering & AdministrationConfirmed live in the last 24 hours
Full-timeMississauga, ON, Canada$115k - $125kIn-person

About the Job

Requirements

  • Three to five years of hands-on experience in enterprise network administration or engineering.
  • Working knowledge of Palo Alto next-generation firewalls and centralized management using Strata Cloud Manager or Panorama, including security policy, network address translation, and segmentation concepts.
  • Solid Cisco switching experience with virtual LANs, trunking, spanning tree, and quality of service, plus familiarity with routing protocols (OSPF and BGP), subnetting, DNS, and DHCP.
  • Experience supporting enterprise wireless and wireless LAN controllers, including access point deployment and radio-frequency troubleshooting.
  • Working knowledge of Azure networking components, including virtual networks, subnets, network security groups, user-defined routes, Azure DNS, Private Link/private endpoints, VPN Gateway, load balancers, Application Gateway, and Web Application Firewall.
  • Hands-on experience with Zscaler Private Access; exposure to Zscaler Internet Access and Zscaler Digital Experience is an asset.
  • Experience with network access control, such as Aruba ClearPass or equivalent, 802.1X, and TACACS+ for device administration.
  • Experience with network monitoring and troubleshooting tools such as SolarWinds, Wireshark, or Zabbix.
  • Familiarity with vulnerability management and remediation workflows, ideally using Rapid7 InsightVM, in partnership with Security Operations.
  • Relevant certifications are an asset, including CCNA/CCNP, Palo Alto PCNSA/PCNSE, Aruba ACCP, or Microsoft AZ-700.
  • A bachelor's degree or college diploma in Computer Science, Information Technology, or a related field, or equivalent experience.

Responsibilities

  • Configure and maintain Palo Alto next-generation firewalls and manage branch and cloud firewall policy through Strata Cloud Manager, supporting segmentation, threat prevention, and secure traffic flow.
  • Administer secure access with Zscaler, primarily Zscaler Private Access, including App Connectors, application segments, and access policy, with supporting work in Zscaler Internet Access and Zscaler Digital Experience.
  • Administer and optimize Cisco switching, including virtual LANs, trunking, quality of service, and routing, across corporate offices, data centers, and job sites.
  • Support enterprise wireless infrastructure, including wireless LAN controller administration, access point deployment, and site surveys and troubleshooting for coverage and performance.
  • Design, configure, and manage Azure cloud networking, including virtual networks, subnets, network security groups, user-defined routes, private endpoints and DNS, VPN gateways, load balancers, Application Gateways, and Web Application Firewalls.
  • Implement and manage SSL/TLS decryption and inspection policies on Palo Alto next-generation firewalls to enable deep visibility and threat prevention on encrypted traffic, accounting for certificate management and decryption exclusions.
  • Manage network access control and device administration with Aruba ClearPass, including 802.1X, policy enforcement, and TACACS+ for device authentication and authorization.
  • Monitor network performance, availability, and health; investigate and resolve incidents within service-level agreement targets; and escalate complex issues as needed.
  • Support onboarding new job sites and offices, including switch and firewall deployment, zero-touch provisioning, and standardized configuration templates.
  • Collaborate with Systems, Cloud, Security, and Service Delivery teams to support on-premises and cloud initiatives, and contribute to network transformation and migration projects.
  • Partner with Security Operations on vulnerability remediation, using Rapid7 InsightVM to identify, prioritize, and remediate vulnerabilities across network and firewall infrastructure and track remediation progress.
  • Maintain accurate documentation of configurations, diagrams, runbooks, change records, and incident resolutions.

Desired Qualifications

  • Exposure to Zscaler Internet Access and Zscaler Digital Experience.
  • Familiarity with vulnerability management and remediation workflows, ideally using Rapid7 InsightVM, in partnership with Security Operations.
  • Relevant certifications are an asset, including CCNA/CCNP, Palo Alto PCNSA/PCNSE, Aruba ACCP, or Microsoft AZ-700.

About the Company

EllisDon

Cradle-to-grave construction and lifecycle services

EllisDon is a construction and building services company that handles complex, high-performance projects across Canada and internationally. It provides cradle-to-grave services, meaning it covers the entire project lifecycle—from early planning and construction to long-term maintenance and operations. The company differentiates itself by being fully integrated and capable of managing projects from start to finish, using emerging technologies and a focus on sustainable, resilient infrastructure across multiple market sectors. Its goal is to deliver lasting value for clients and communities while creating great careers for its people and championing inclusive diversity, guided by a forward-looking vision to push standards and redefine the future of construction.

Company size
1,001-5,000
Company stage
Not listed
Total funding
Not listed
Headquarters
London, Canada
Founded
1951

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