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Added 2 hours ago
TS
Kettle Coordinator
The Salvation Army in Canada
Hanover, ON
- Full-time
Attend a day of training/orientation on The Salvation Army and the Christmas Kettle Campaign.
Added 6 hours ago
GB
Sales Agent
Galaxie Brands Corporation
Hamilton, ON
- $40,000 to $55,000 CAD / year
- Full-time
Monthly phone allowance to support your day‑to‑day outreach.
Added 6 hours ago
WR
Wellness Café & Lounge Host
Wellness Republic
Toronto, ON
- Part-time
As a Wellness Café & Lounge Host, you help shape the atmosphere at the heart of our club. From crafting an exceptional coffee to preparing a wellness beverage or keeping the lounge…
Added 9 hours ago
FC
Producteur bilingue, Affaires de la société / Corporate Affairs Producer Bilingual
Fidelity Canada
Montreal, QC
- Full-time
Added 23 hours ago
ST
Director of Public Works ($115K-$130K/ yr + $26K NRD + Relocation Assistance)
Scout Talent
BC · British Columbia, Canada
- $115,000 to $130,000 CAD / year
- Full-time
In this position, you will be primarily responsible for strengthening day-to-day operations, establishing effective systems and schedules, and overseeing a multi-functional team delivering…
Added 23 hours ago
PS
Power Engineer/Refrigeration Maintenance Technician
Pacific Seafood
BC · British Columbia, Canada
- $30 to $35 CAD / hour
- Full-time
…3-off, 3-on, 4-off pattern, alternating between two weeks of day shifts and two weeks of night…
Added 1 day ago
ST
Director of Public Works ($115K-$130K/ yr + $26K NRD + Relocation Assistance)
Scout Talent
NU · Nunavut, Canada
- $115,000 to $130,000 CAD / year
- Full-time
In this position, you will be primarily responsible for strengthening day-to-day operations, establishing effective systems and schedules, and overseeing a multi-functional team delivering…
Added 1 day ago
Manager, Maintenance (ECC)
Explore Edmonton Corporation
Edmonton, AB
In this role, you will balance day-to-day operational execution with longer-term asset stewardship. You will help shape preventative maintenance strategies, contribute to capital and…
Added 1 day ago
C
Supervisor, Front of House (LBE)
Cineplex
Whitby, ON
- Part-time
Strive to achieve sales targets while adhering to an established budget during day-to-day operations.
Added 1 day ago
W
AI Engineer
Workday
Vancouver, BC · Canada, BC, Vancouver
- Full-time
…for the long haul. So, if you want to inspire a brighter work day for everyone, including yourself, you’ve found a match in Workday, and we hope to be a match for you…
Added 1 day ago
CH
Seasonal Holiday Retail Manager - Kildonan Place
Cherry Hill Programs
Winnipeg, MB
- Part-time
Same day pay options for early access to your paycheck
Added 1 day ago
GF
Fit4Less Host - Moncton Main Street
GoodLife Fitness
Moncton, NB
- Part-time
The Host provides friendly customer and membership services and completes daily cleaning and minor maintenance tasks to standards and expectations to deliver Fit4Less’ friendly, clean, and…
Added 1 day ago
TS
Kettle Coordinator
The Salvation Army Canada and Bermuda Territory
Hanover, ON
- Full-time
Attend a day of training/orientation on The Salvation Army and the Christmas Kettle Campaign.
Added 1 day ago
BS
Bilingual Food Service Manager
Bento Sushi
Saint-Bruno-de-Montarville, QC
- Up to $50,000 CAD / year
- Full-time
The Store Manager is responsible for the day-to-day operations of the retail location and will lead all aspects of the Bento business. With a focus on sales and profitability, you will…
Added 1 day ago
Host, Canada Science & Technology Museum (anticipatory staffing)
Ingenium
Ottawa, ON
Hosts also contribute to a smooth and enjoyable visit by assisting with other tasks that support the visitor experience team and the museum’s day-to-day operations.
Added 1 day ago
S
Bilingual Talent Acquisition Partner, Retail (Contract)
sephora.com
Montreal, QC
- Full-time
…inclusivity, unlocking your potential and making a difference every day. Together, we belong to something…
Added 2 days ago
AR
Breakfast Attendant
Algonquin Resort
Brandon, MB
- Full-time
· Restocking items consistently throughout the breakfast hours and for the next day
Added 2 days ago
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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 2 days ago
CH
Food & Beverage Manager
CMH Heli-Skiing & Summer Adventures
BC · British Columbia, Canada
- Full-time
The Food & Beverage Manager supports the Hotel Manager in the day to day operation of the lodge, with primary responsibility for the Food & Beverage program including front of house service…
Added 2 days ago
CH
Guest Experience Representative, Kelowna (Winter 2026/27)
CMH Heli-Skiing & Summer Adventures
BC · British Columbia, Canada
- Part-time
Perform administrative tasks pertaining to guest transfers and exchange day operations.
Added 2 days ago
CH
Transfer Coordinator, Kelowna (Winter 2026/27)
CMH Heli-Skiing & Summer Adventures
BC · British Columbia, Canada
- Full-time
Host guests with confidence and a positive, outgoing presence.
Added 2 days ago
RI
Insurance Advisor Home & Auto - Advice Centre
RBC Insurance
Mississauga, ON
- Full-time
…experience and want you to bring your whole self to work, every…
Added 2 days ago
S&
Host
State & Main
Aurora, ON
- Full-time
…supportive team culture that strives to make an impact every…
Added 2 days ago
3A
Banquet Server
3G4 Archive Hospitality
Toronto, ON
- Up to $18.95 CAD / hour
- Part-time
…has room for you to meet, dine and drink, as well as space to host your most important get-togethers, from group dinners to business meetings and…
Added 2 days ago
R
Insurance Advisor Home & Auto - Advice Centre
RBC
Mississauga, ON
- Full-time
…experience and want you to bring your whole self to work, every…

CGI

Senior Network Administrator

Calgary, AB, Canada

Full-time

Apply About employer

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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