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Senior Network Administrator

@ CGI

Calgary, Alberta

Full-time
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SIGNALS

Overview

CGI is hiring a Senior Network Administrator for full-time work administering, monitoring, and troubleshooting enterprise network infrastructure. The role covers routers, switches, firewalls, and load balancers across production, test, and disaster recovery environments, working with engineers, security teams, and vendors.

Responsibilities:

  • Administer, monitor, and maintain enterprise network infrastructure
  • Troubleshoot and resolve network incidents
  • Implement controlled network changes
  • Support lifecycle, security, and disaster recovery initiatives
  • Coordinate with vendors and internal teams

Requirements summary:

  • Strong enterprise networking expertise
  • Advanced troubleshooting capabilities
  • Disciplined change management practices
  • Experience supporting complex, business-critical environments

Tools & skills

Source and dates

Source type not verified · njoyn

Employer posting date
2026-10-01
First seen by our source
2026-10-17
Source record updated
2026-10-17

These dates describe the source record, not a live verification that the employer is still hiring. Check the original posting.

Job details

SenioritySenior
DepartmentIT
Hours per week40 (estimated)
Work settingOffice, Client sites
PositionMostly sitting
Physical demandsphysical low · computer high

Summary and details written by AI from the posting; the employer’s posting is the authority.

FieldValue
Company size10001+
HeadquartersE-Commerce Place
Open jobs on Jobsy514
Job description
The Senior Network Administrator is responsible for the day to day administration, monitoring, maintenance, troubleshooting, and support of enterprise network infrastructure, ensuring secure, stable, resilient, and highly available services. The role supports routers, switches, firewalls, load balancers, and related network services across production, test, and disaster recovery environments. The Senior Network Administrator works closely with network engineers, security specialists, infrastructure teams, application support teams, vendors, and other stakeholders to resolve incidents, implement controlled changes, support lifecycle and security initiatives, and drive continuous service improvement. The role requires strong enterprise networking expertise, advanced troubleshooting capabilities, disciplined change management practices, and experience supporting complex, business critical environments.

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