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Added 2 hours ago
C
ServiceNow Business System Architect
CGI
Toronto, ON
- Full-time
At CGI, we partner with our clients to cultivate good ideas into great outcomes. With deep technical expertise and pragmatic program leadership, CGI works with clients to Enable Innovation…
Added 2 hours ago
C
Senior Network Administrator
CGI
Calgary, AB
- Full-time
The Senior Network Administrator is responsible for the day to day administration, monitoring, maintenance, troubleshooting, and support of enterprise network infrastructure, ensuring…
Added 5 hours ago
AU
Security Badging Administrator
Allied Universal
Toronto, ON · North York, ON
- Full-time
We are North America's leading security and facility services provider with approximately 300,000 service personnel. At Allied Universal(R), we pride ourselves on fostering a promote from…
Added 5 hours ago
SM
Network Administration Technician
Simcoe Muskoka Family Connexions
Barrie, ON
- $62,430 to $77,027 CAD / year
The Job This is a temporary, full-time position reporting to the Information Services Manager. This position works from the Barrie Head Office (but may include travel to branch offices) and…
Added 5 hours ago
TC
Supervisor, Fund Accounting - Private Assets (Traditional PA)
The Citco Group Limited
Toronto, ON
- Full-time
…industry’s most accomplished professionals to deliver award-winning services for complex fund structures that our clients can depend…
Added 5 hours ago
TC
Manager, Fund Accounting - Private Assets
The Citco Group Limited
Toronto, ON
- Full-time
…industry’s most accomplished professionals to deliver award-winning services for complex fund structures that our clients can depend…
Added 5 hours ago
PC
Enterprise Application - Experienced Designer, Senior Associate (Reliability Security Clearance Required)
Pwc Canada
Ottawa, ON
- Full-time
At PwC, our people in experience consulting specialise in providing consulting services focused on enhancing customer and employee experiences. These individuals analyse client needs,…
Added 6 hours ago
P
Enterprise Application - Experienced Designer, Senior Associate (Reliability Security Clearance Required)
PwC
Ottawa, ON · Toronto, ON
- Full-time
At PwC, our people in experience consulting specialise in providing consulting services focused on enhancing customer and employee experiences. These individuals analyse client needs,…
Added 6 hours ago
TC
Supervisor, Fund Accounting - Private Assets
The Citco Group Limited
Toronto, ON
- Full-time
…industry’s most accomplished professionals to deliver award-winning services for complex fund structures that our clients can depend…
Added 6 hours ago
TC
Manager, Fund Accounting - Private Assets (Traditional PA)
The Citco Group Limited
Toronto, ON
- Full-time
…industry’s most accomplished professionals to deliver award-winning services for complex fund structures that our clients can depend…
Added 6 hours ago
TA
Builder Administrator (Edmonton South)
Trail Appliances Ltd.
AB · Edmonton, Alberta
- Full-time
As a Builder Administrator, reporting to the Builder Administration Manager, you will be instrumental in managing builder allowances and documentation, ensuring compliance with budgetary…
Added 6 hours ago
Senior ServiceNow Architect - Strategic Portfolio Management
Bell
Montreal, QC
…enterprise architecture role accountable for the end-to-end technical direction, solution integrity and evolution of ServiceNow SPM…
Added 7 hours ago
TA
Builder Administrator (Edmonton South)
Trail Appliances AB/SK
AB · Edmonton, AB
- Full-time
As a Builder Administrator, reporting to the Builder Administration Manager, you will be instrumental in managing builder allowances and documentation, ensuring compliance with budgetary…
Added 7 hours ago
EC
SQL Database Administrator
Experis Canada
Toronto, ON · Scarborough, ON
- Full-time
This role sits within the Data Platform Services organization, supporting enterprise database modernization and cloud transformation initiatives.
Added 7 hours ago
C
Plant Administrator
Conuma/Quintette
Tumbler Ridge, BC
- Full-time
Review, tracking of light vehicle EmKay services for Mobile and Plant
Added 7 hours ago
ED
Senior Data Platform Administrator - EN 533
Export Development Canada | Exportation et développement Canada
Ottawa, ON
- $96,557 to $128,743 CAD / year
- Full-time
Reporting to the Manager - Data Management Platforms, the Senior Data Platform Administrator plays a critical role in shaping the technical direction of EDC's data ecosystem while also…
Added 7 hours ago
TG
Service Administrator
Triumph Group of Companies
Mississauga, ON
- $45,000 to $60,000 CAD / year
- Full-time
As an administrator on the Service team, you support the day-to-day operations of active projects by keeping billing, documentation, and client communications running smoothly. You work…
Added 7 hours ago
MI
Programmer Analyst
Magna International
St. Thomas, ON
- $84,000 to $100,000 CAD / year
- Full-time
…to improve the quality and time to market of our product and services to the…
Added 8 hours ago
BS
Senior ServiceNow Developer
Brainhunter Systems Ltd
Toronto, ON
- Contract
Brainhunter is currently seeking the services of a “Senior ServiceNow Developer ” for a contract opportunity with one of our Valued Clients.
Added 8 hours ago
NG
IT System Administrator
NFI Group Inc.
Winnipeg, MB
- Full-time
…maintaining the server, cloud, virtualization, storage and back up services. This position will also provide automation and operational support, lifecycle management, and infrastructure…
Added 8 hours ago
HI
Lead, Infrastructure & IT Operations
Healthcare Insurance Reciprocal of Canada (HIROC)
Toronto, ON
- Full-time
Reports to: Director, Performance Excellence & Information Services
Added 8 hours ago
M
Consultant, Microsoft 365 and IT Infrastructure Projects
MNP
Edmonton, AB · AB · Burlington, ON · Montreal, QC · Calgary, AB
- Full-time
Provide escalation support to managed services teams for complex technical issues.
Added 9 hours ago
PS
Computer Technician (1.0 FTE)
Parkland School Division
Stony Plain, AB
- Full-time
Provide technical on-site support and services at designated Division locations.
Added 9 hours ago
SE
System Administrator
Summitt Energy
Mississauga, ON
- Full-time
Summitt Energy is seeking a Systems Administrator to join our growing team in our Information Technology department. The incumbent will be reporting to the Manager of Information…
Added 9 hours ago
ED
Senior Data Platform Administrator - EN 533
Export Development Canada | Exportation et développement Canada
Remote, Canada
- Full-time
- Remote
Reporting to the Manager - Data Management Platforms, the Senior Data Platform Administrator plays a critical role in shaping the technical direction of EDC’s data ecosystem while also…

CGI

Senior Network Administrator

Calgary, AB, Canada

Full-time

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Applications open in a new tab.

Job details

Job type: Full-time
Apply by: Nov 1, 2026
Posting language: English
Posted: Oct 2, 2026

Original job description

Position 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.

Your future duties and responsibilities

s a Senior Network Administrator, you will provide hands-on operational support for a complex enterprise network supporting business-critical services. This role requires close collaboration with infrastructure, security, application support, engineering, vendor, and service delivery teams to maintain secure, stable, resilient, and highly available network services.

You will troubleshoot complex technical issues, implement controlled changes, maintain operational documentation, and contribute to modernization and continuous improvement initiatives.

Your responsibilities will include:

Administer and support routers, switches, firewalls, load balancers, and related network services.
Monitor network health, capacity, utilization, availability, and performance.
Investigate and resolve network incidents, service disruptions, connectivity issues, and performance problems.
Participate in major incident response, technical escalations, root cause analysis, and problem management.
Implement network changes in accordance with established change management processes.
Support network hardware and software lifecycle activities.
Review network configurations for alignment with operational and security standards.
Assist with vulnerability remediation and infrastructure security initiatives.
Administer firewall policies, access control lists (ACLs), routing protocols, virtual private networks (VPNs), and related network technologies.
Participate in disaster recovery and business continuity exercises.
Develop and maintain network documentation, diagrams, standards, procedures, runbooks, and knowledge articles.
Identify opportunities to improve network stability, resilience, security, and operational efficiency.
Support automation, standardization, modernization, and continuous service improvement initiatives.
Participate in operational reporting and service review activities.
Communicate technical information clearly to technical and non-technical stakeholders.
Participate in an after-hours on-call rotation supporting critical business services.

Required Qualifications To Be Successful In This Role

Five (5) or more years of experience in network administration, network operations, or a related infrastructure support role.

Strong knowledge of Transmission Control Protocol/Internet Protocol (TCP/IP) networking.
Strong knowledge of routing and switching technologies.
Experience with virtual local area networks (VLANs) and Layer 2 and Layer 3 networking.
Knowledge of Domain Name System (DNS), Dynamic Host Configuration Protocol (DHCP), and network security fundamentals.
Experience supporting production enterprise network environments.
Demonstrated ability to troubleshoot complex network connectivity and performance issues.
Experience working within incident, problem, and change management processes.
Strong analytical and problem-solving skills.
Excellent written and verbal communication skills.

Desired Qualifications:

Experience with Cisco switching and routing platforms.
Experience administering Check Point and Fortinet firewalls.
Experience supporting F5 load balancers.
Knowledge of OSPF and BGP routing protocols.
Experience with HSRP and Virtual Router Redundancy Protocol (VRRP).
Experience administering firewall policies and access control lists (ACLs).
Knowledge of wide area networks (WANs) and Multiprotocol Label Switching (MPLS).
Experience with virtual private networks (VPNs) and remote access technologies.
Experience with network monitoring and alerting platforms.
Knowledge of high-availability and resilient network architectures.
Experience supporting financial services or another highly regulated environment.
Exposure to hybrid cloud and modern networking technologies.

Professional Attributes:

Strong operational support mindset with a clear sense of ownership.
Ability to remain effective while resolving high-priority or complex service issues.
Strong customer service and stakeholder management skills.
Disciplined approach to change management and documentation.
Ability to work independently and collaborate effectively within a team.
Commitment to operational excellence, continuous learning, and service improvement.

Education and Certification:

Cisco Certified Network Associate (CCNA), Cisco Certified Network Professional (CCNP), or an equivalent industry certification is considered an asset.
Equivalent combinations of relevant education, certification, and enterprise networking experience may be considered.

CGI is providing a reasonable estimate of the pay range for this role. The determination of this range includes factors such as skill set level, geographic market, experience and training, and licenses and certifications. Compensation decisions depend on the facts and circumstances of each case. A reasonable estimate of the current range is $70,000- $120,000. This role is an existing vacancy.

Together, as owners, let’s turn meaningful insights into action.

Life at CGI is rooted in ownership, teamwork, respect and belonging. Here, you’ll reach your full potential because…

You are invited to be an owner from day 1 as we work together to bring our Dream to life. That’s why we call ourselves CGI Partners rather than employees. We benefit from our collective success and actively shape our company’s strategy and direction.

Your work creates value. You’ll develop innovative solutions and build relationships with teammates and clients while accessing global capabilities to scale your ideas, embrace new opportunities, and benefit from expansive industry and technology expertise.

You’ll shape your career by joining a company built to grow and last. You’ll be supported by leaders who care about your health and well-being and provide you with opportunities to deepen your skills and broaden your horizons.

At CGI, we value the strength that diversity brings and are committed to fostering a workplace where everyone belongs. We collaborate with our clients to build more inclusive communities and empower all CGI partners to thrive. As an equal-opportunity employer, being able to perform your best during the recruitment process is important to us. If you require an accommodation, please inform your recruiter.

That same commitment to fairness extends to how we use technology. To support our recruitment team, AI tools may be used to help assess applications though they never replace human judgement. All hiring decisions remain entirely in the hands of our recruitment professionals.

To learn more about accessibility at CGI, contact us via email. Please note that this email is strictly for accessibility requests and cannot be used for application status inquiries.

Come join our team - one of the largest IT and business consulting services firms in the world.

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More about this job

Responsibilities

Administer, monitor, troubleshoot, and maintain enterprise network infrastructure, including routers, switches, firewalls, and load balancers, while supporting secure and highly available services. Resolve incidents, implement controlled changes, maintain operational documentation, support security and lifecycle initiatives, and contribute to disaster recovery and continuous improvement.

Requirements

Requires at least five years of experience in network administration, network operations, or related infrastructure support, with strong TCP/IP, routing, switching, and enterprise production network expertise. Candidates should be able to troubleshoot complex issues and work within incident, problem, and change management processes; CCNA, CCNP, or an equivalent certification is an asset.

Skills

TCP/IP Networking
Routing And Switching
VLANs
Layer 2 And Layer 3 Networking
Network Troubleshooting
Network Monitoring
Firewall Administration
Access Control Lists
VPNs
DNS And DHCP
Incident And Problem Management
Change Management
Network Security
Disaster Recovery
Network Documentation

Visa sponsorship

Not detected in the job text

Keywords

TCP/IP
Cisco
Check Point
Fortinet
F5 Load Balancers
OSPF
BGP
HSRP
VRRP
VLANs
DNS
DHCP
VPN
WAN
MPLS
Firewalls
Access Control Lists
Network Monitoring
High Availability
Disaster Recovery
Hybrid Cloud
CCNA
CCNP
Incident Management
Problem Management
Change Management
Vulnerability Remediation
Root Cause Analysis
Network Security
Financial Services

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