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Added 12 mins ago
CE
Senior Specialist, Operations Cost Control
Cenovus Energy
Calgary, AB
- Full-time
The Senior Specialist, Operations Cost Control serves as a strategic advisor and subject matter expert for Conventional Operating Costs, providing enterprise-level leadership in financial…
Added 26 mins ago
AC
Senior Manager Global Internal Audit and Internal Controls
Alimentation Couche-Tard
Laval, QC
- Internship
Experience leveraging data analytics, automation, and visualization tools to enhance controls testing, monitoring, and audit effectiveness such as Power BI or Tableau or similar tools is…
Added 26 mins ago
SM
Project Manager III Project Management Office
St. Michael's Hospital
Toronto, ON
- Temporary
Partner with Manager and Senior Director on workforce planning, recruitment, and team development.
Added 26 mins ago
ZC
Automation Engineer
Zurich Canada
Toronto, ON
- Full-time
Zurich Canada is currently looking for an Entry-Level Automation Engineer to join our technology team. This is an exciting opportunity for an early-career technology professional who is…
Added 26 mins ago
S
Manager - Accounting & Reconciliation
Scotiabank
Souris, PE
- Full-time
Monitor control effectiveness and identify opportunities to strengthen processes and automation.
Added 26 mins ago
CM
Account Manager
Cynergy Mechanical
Uxbridge, ON
- Full-time
…maintenance, capital retrofits, new construction, and building automation systems, as well as 24/7 service and energy management. Cynergy Mechanical serves a wide range of sectors…
Added 26 mins ago
I
Senior Software Developer
IBM
Ottawa, ON
- $121,550 to $171,550 CAD / year
- Full-time
As an Application Developer, you will develop, support, and maintain applications.
Added 26 mins ago
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Senior Java Developer - Enterprise Payments/ Banking
CGI
Halifax, NS
- Full-time
CGI is seeking an experienced Senior Java Developer to join our team and contribute to the design, development, and delivery of high-value payment solutions. In this role, you will develop…
Added 28 mins ago
Platform Engineer
Scotiabank
Toronto, ON
…Ops, Security, Client partners etc for integration, process automation, platform enhancement and delivery of new…
Added 28 mins ago
Senior Platform Engineer
Scotiabank
Toronto, ON
The Senior Platform Engineer will be responsible for the building, tuning, managing infrastructure, DevOps, Platform site reliability, monitoring, troubleshooting, enhancing, enabling new…
Added 28 mins ago
GM
Senior Software Developer
General Motors
Markham, ON · Oshawa, ON
- Full-time
This role is for a hands-on senior engineer who can design, implement, test, deploy, and operate reliable backend systems at production scale. The developer will contribute across REST…
Added 28 mins ago
GM
Senior Data Engineering, Vehicle Data Operations
General Motors
Markham, ON · Oshawa, ON
- Full-time
The Senior Data Engineering candidate will build, operate, and improve software and data solutions that make vehicle data operations more reliable, observable, and scalable. This position…
Added 28 mins ago
Corporate Accountant | Great West
The Canada Life Assurance Company
Winnipeg, MB · London, ON · Toronto, ON
Contribute to process improvement, automation, and reporting efficiency initiatives that enhance the quality and effectiveness of financial reporting.
Added 28 mins ago
SD
Director, Strategy & Operations
Shoppers Drug Mart
Toronto, ON
- Full-time
The role also champions artificial intelligence (AI), automation, and digital solutions to improve productivity, streamline processes, and enhance decision-making. Success requires strong…
Added 43 mins ago
ZT
Senior Manager, Technical Software Program Manager
Zebra Technologies
Mississauga, ON · CAN - Mississauga, Canada
- Full-time
The Senior Manager, Technical Software Program Management (TPM) for EMC SW Solutions is a leadership role responsible for steering large-scale, complex software programs from initial…
Added 43 mins ago
TH
AI Engineer | Full time | AI Innovations
Trillium Health Partners
ON · ON, Canada
- Full-time
…that augment clinical and operational workflows, spanning task automation, decision support, and end-to-end process orchestration, using cloud AI platforms (e.g., Azure AI Foundry, Copilot…
Added 57 mins ago
A
Embedded Software Engineer
Actalent
Mississauga, ON
- $70,000 to $85,000 CAD / year
- Full-time
Partner with a senior team member to receive training and mentoring, then progressively take ownership of tasks and contribute to core development activities.
Added 57 mins ago
P
Senior Software Developer
ProxyLink
Toronto, ON
- $100 to $105 CAD / hour
- Contract
ProxyLink is seeking an experienced Senior Software Developer – ETL to join our team and contribute to the development, enhancement, and maintenance of enterprise-level data integration,…
Added 57 mins ago
C-
Senior Electrical Designer
CRWS - Canadian Railway Services
Montreal, QC
- Full-time
As Senior Electrical Designer, you will work with the Lead Electrical Engineer to design, develop, review, and support electrical and automation systems used in rolling stock applications.
Added 1 hour ago
B
Managing Director, Head of Financial Engineering
BMO
Toronto, ON · FCP
- Full-time
The incumbent will lead a team of quantitative, analytics and engineering professionals while acting as a senior advisor to business leaders on data, analytics, investment technology and…
Added 1 hour ago
DI
Data Engineering Lead
Definity Insurance Company
Toronto, ON
- Full-time
…and high-quality data products and pipelines. The Lead is a senior technical authority who advances engineering excellence by strengthening CI/CD, automation, and modern data engineering…
Added 1 hour ago
Software Development Engineer , Customer Service Technologies
Amazon
Vancouver, BC
…work closely with applied scientists, product managers, and senior engineers to turn ambiguous customer problems into technical designs and ship them to production. The ideal candidate…
Added 1 hour ago
SL
Senior Risk Business Analyst
Sun Life
Toronto, ON · Waterloo, ON · Sun Life Toronto One York
- Full-time
The Senior Risk Business Analyst will make a meaningful contribution to Sun Life’s Corporate Risk Operations team by combining business analysis expertise and business-facing support for…
Added 2 hours ago
EN
Senior Forward Deployed Engineer (10570) Toronto, Canada
Extreme Networks
Toronto, ON
- Full-time
Title of position: Senior Forward Deployed Engineer
Added 2 hours ago
B
Software Engineer
Broadcom
Ottawa, ON
- $76,300 to $122,000 CAD / year
- Full-time
As a Senior Software Engineer, you will design, develop, and deliver software and firmware for ultra-high-performance datacenter-scale solutions. We are looking for candidates who thrive in…

Closed listing

Calian in Space & Technology

Network Administrator

Ottawa, ON, Canada

$80,000 to $100,00 · Full-time

This opening has closed.

The original listing is kept below for reference.

Find open jobs More jobs with this employer

About employer

Job details

Pay: $80,000 to $100,00
Job type: Full-time
Closing date: Nov 6, 2026
Posting language: English
Posted: Oct 6, 2026

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Original job description

Archived listing. The details below describe a past opening.

About Calian

At Calian, we help organizations overcome obstacles, manage risks, and drive progress. Since 1982, we’ve grown from a small consulting firm into a trusted global company across defence, space, health, nuclear energy, public safety, and government.

We create innovative solutions that tackle complex challenges and help organizations and communities stay resilient, informed, and connected. If you’re driven by purpose and energized by solving real-world challenges, we want you on our team.

Job Type: Full Time

Position Overview

We are looking for a Network Infrastructure Administrator to join our Infrastructure Management team. In this role, you will be responsible for the design, implementation, and support of Calian’s network infrastructure systems, including enterprise Wi-Fi, firewall, routing, switching, policy enforcement, and automation across site, data center, and cloud environments. You will leverage your expertise in Fortinet and Zscaler technologies to ensure secure, high-performance connectivity across internet and private networks.

Working closely with Calian IT and business unit development teams, you will manage secure network connectivity, optimize firewall and SD-WAN configurations, maintain high availability and disaster recovery capabilities, and support the continuous improvement of network infrastructure. The ideal candidate is proactive, solutions-focused, and skilled at identifying and resolving complex network issues to ensure stability, security, and performance.

Responsibilities

Own and manage enterprise Wi-Fi infrastructure, ensuring optimal performance and coverage across all environments.
Administer and optimize Fortinet firewalls, VPNs, security policies, and FortiManager configurations.
Administer and support Zscaler cloud security services for secure internet and private connectivity.
Design and enforce enterprise-wide network policies, including firewall rules, access controls, and compliance standards.
Monitor and optimize network performance, capacity, and security across hybrid environments.
Implement and maintain network redundancy and disaster recovery solutions.
Integrate and support on-premises and cloud-based network services in Azure and AWS environments.
Implement network automation and monitoring tools, including FortiManager and SNMP-based solutions.
Collaborate with security teams to enforce network security best practices and compliance requirements.
Troubleshoot network issues within Fortinet environments, including firewall rules, VPNs, and wireless connectivity, quickly identifying root causes and implementing effective solutions to maintain network stability and performance.
Perform other duties as required within the scope of the role.

Qualifications

College diploma or university degree in Computer Science or a related field, or equivalent relevant experience.
3+ years of experience with enterprise networking, including routing, switching, and firewalls.
3+ years of hands-on experience with Fortinet technologies, including FortiGate, FortiManager, and FortiAnalyzer.
Experience supporting Zscaler cloud security services.
Strong understanding of network security, DNS, DHCP, VLANs, SD-WAN, VPN technologies, and the OSI model.
Experience with cloud networking in Azure and AWS environments and hybrid connectivity solutions.
Experience using FortiManager and FortiAnalyzer for centralized policy management and log analysis.
Strong analytical and troubleshooting skills with the ability to resolve complex network challenges.

Compensation

Additional Requirements

$80,000 to $100,00

Position Type

We have 1 available position.

# #SF#

AI Usage Disclosure

At Calian, we do not use Artificial Intelligence (AI) to screen or evaluate candidates. AI tools may support backend administrative tasks, but they do not influence hiring decisions. All evaluations and decisions are made by real people on our recruitment team and hiring managers. All applicants are reviewed and only those chosen for an interview will be contacted by our recruiting team.

How we hire

Our hiring process is designed to help us get to know you and discover if you are the best fit for our team. It's also an opportunity for you to gauge if a role at Calian is the right fit for you.

Throughout the process, we’ll share details of the kind of work you’ll be doing, the projects you’ll be working on, the team you’ll be joining, and what it’s like working at Calian. Our biggest tip throughout the process is to just be your authentic self!

Our commitment to diverse, yet highly specialized solutions require many different skills and abilities. We look for the best talent that can contribute to Calian’s success as well as enhance our culture. We encourage you to apply to a role or join our talent community and sign up for job alerts that match your area of expertise and what you are looking for in your next opportunity.

During the recruiting process, you’re encouraged to notify us of any accommodations you may require. We’ll be happy to help.

We give the same time and consideration to everyone who applies. Here are a few things you can do to ensure your application shines:
Do your research on Calian, the department, and team you are looking to join
Add a cover letter that explains why you are a good fit for this position
Share a portfolio, personal websites, or links to your professional social media
In your CV, highlight your key achievements - this is your time to brag
Include dates! Share the timeline of your experience
Stand out by tailoring your resume to each position you apply to
Only apply to roles you’re genuinely interested in and that align to your experience
Be prepared! Do your research on Calian, the department, and team you are looking to join
View the responsibilities for the role and find examples that demonstrate how you’ve completed these in your previous work experience
Prepare a list of questions to ask us
Dress business casual for your interview (virtual and in person)
We assess your skills and fit, you assess our fit for you
We keep you updated and share expectations as we make progress in the recruiting cycle
Feel free to reach out to your Talent Acquisition Specialist at any time during the hiring process

Perks and benefits

Competitive, company-paid benefits
Generous time off package
Stock purchase plan
RRSP program
Flexible work hours for eligible roles
Programs to support employee health and well-being

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About employer

More about this job

Responsibilities

Manage and optimize enterprise network infrastructure, including Wi-Fi, Fortinet firewalls, VPNs, Zscaler services, routing, switching, and network policies across on-premises, cloud, and hybrid environments. Monitor and troubleshoot network performance and security, maintain redundancy and disaster recovery, and support automation, compliance, and high availability.

Requirements

Requires a college diploma or university degree in Computer Science or a related field, or equivalent relevant experience, and at least three years of enterprise networking experience. Candidates should have at least three years of hands-on Fortinet experience, Zscaler support experience, knowledge of core networking and security technologies, and experience with Azure and AWS networking.

Skills

Enterprise Networking
Routing
Switching
Fortinet
FortiGate
FortiManager
FortiAnalyzer
Zscaler
Firewall Administration
Enterprise Wi-Fi
Network Security
SD-WAN
VPN Technologies
Azure Networking
AWS Networking
Network Troubleshooting

Benefits

Company-Paid Benefits
Generous Time Off
Stock Purchase Plan
RRSP Program
Flexible Work Hours
Employee Health and Well-Being Programs

Visa sponsorship

Not detected in the job text

Keywords

Enterprise Networking
Network Infrastructure
Enterprise Wi-Fi
Fortinet
FortiGate
FortiManager
FortiAnalyzer
Zscaler
Firewalls
Routing
Switching
Network Security
DNS
DHCP
VLANs
SD-WAN
VPN
OSI Model
Azure
AWS
Hybrid Connectivity
Network Automation
SNMP
Network Monitoring
Firewall Policies
Access Controls
Disaster Recovery
Network Redundancy
Log Analysis
Compliance

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