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Added 16 mins ago
P
Senior Product Manager, Fund Management
Purpose
Toronto, ON
- Full-time
…built and in what order, working directly with operations, engineering, data, and compliance to solve the problems that matter most. You will lead from the front – not as a project manager…
Added 1 hour ago
Estimator
Aecon
Mississauga, ON
Maintains estimating data systems to ensure they are kept up to date.
Added 1 hour ago
GL
Supervisor, R&D Technical Operations
Gay Lea Foods
Hamilton, ON
- Full-time
…management, while also ensuring accurate analytical testing and data…
Added 1 hour ago
RS
Sr Product Analyst - Rogers Sports & Media
Rogers Sports & Media
Toronto, ON
- Full-time
Gather product requirements for the data-driven Advertising and DTC (Direct-to- Consumer) Data Analytics products, consult with the broader Core Data Team, and work with subject matter…
Added 2 hours ago
BB
Biomarker & Bioanalytical Development Lead (Director / Senior Director)
Borealis Biosciences, Inc.
Vancouver, BC
- Full-time
…opportunity to shape how Borealis generates the translational data that drives program…
Added 2 hours ago
N
Sr. Principal Software Engineer
Nokia
Ottawa, ON · Kanata, ON
- Full-time
Optimize high-throughput L7 traffic routing for efficient data processing.
Added 2 hours ago
Platform Engineer
Scotiabank
Toronto, ON
The Platform Engineer will play a critical role within the Enterprise Data & AI Technology organization - one of Scotiabank’s most significant enterprise-wide strategic initiatives. This…
Added 3 hours ago
Sr. GTM Automation Specialist
Dayforce
Canada
This role combines sales development expertise with AI, automation, data, and technology to build scalable prospecting systems that help our teams determine who to target, why, when, and…
Added 3 hours ago
M
Sr. Software Developer
McKesson
Mississauga, ON
- Full-time
McKesson is seeking a Sr. Software Developer to design, build, and scale modern software solutions that support healthcare technology innovation. In this role, you will help deliver secure,…
Added 3 hours ago
E
2027 Data Analytics & AltaGas - 2027 Process Automation Co-op Student
EEONLINE
AB · Alberta, Canada
- Volunteer
Currently enrolled in the second or third year of an undergraduate degree program in Data Analytics, Data Science, Computer Science, Software Engineering, Computer Engineering, Business…
Added 3 hours ago
E
AltaGas - 2027 Transportation Intern
EEONLINE
AB · Alberta, Canada
- Volunteer
Supporting database maintenance, reporting, and data quality initiatives.
Added 4 hours ago
ID
Sr. Client Partner
Intellect Design Arena Ltd
Toronto, ON
- $140,000 to $180,000 CAD / year
- Full-time
…markets, risk & compliance, wealth management and AI-driven data…
Added 5 hours ago
C
Sr. Consultant, Full Stack Developer
CIBC
Toronto, ON
- Full-time
You can demonstrate 8+ years of experience in enterprise data engineering and Azure platform delivery, with expert knowledge and experience in Synapse, Databricks, Unity Catalog, and its…
Added 6 hours ago
ET
Software Engineer
Envision Technology Solutions
Toronto, ON
- Full-time
Partner with engineering, product, operations, and compliance teams to translate business needs into clear, actionable technical requirements and specifications.
Added 6 hours ago
Sr Product Analyst - Rogers Sports & Media
Rogers Communications
Toronto, ON
Gather product requirements for the data-driven Advertising and DTC (Direct-to- Consumer) Data Analytics products, consult with the broader Core Data Team, and work with subject matter…
Added 7 hours ago
HP
Sr Manager, Business Analytics
Hill's Pet Nutrition
Toronto, ON
- $143,100 to $166,950 CAD / year
- Full-time
…cross-functional commercial teams (Sales and Marketing) and IT/Data Engineering to align on data architecture, pipeline integration, and quality…
Added 7 hours ago
O
Sr. Engineer Network Administration
OnX
Toronto, ON
- Full-time
6-8 years of experience in Network Administration, Network Engineering, or Infrastructure Support.
Added 8 hours ago
T
Senior Analyst, Advanced Security Response Team (ASRT), Web Application Security
Thales
Vancouver, BC
- Full-time
Location: Vancouver - Burrard St, CanadaThales people architect identity management and data protection solutions at the heart of digital security. Business and governments rely on us to…
Added 12 hours ago
B
Sr. Developer - Application Development JAVA N 4B
BrightClaim
AB
- Full-time
Sr. Developer - Application Development JAVA N
Added 12 hours ago
B
Sr. Developer - Application Development JAVA N 4B
BrightClaim
Montreal, QC
- Full-time
Sr. Developer - Application Development JAVA N
Added 12 hours ago
B
Sr. Developer - Application Development JAVA N 4B
BrightClaim
Montreal, QC
- Full-time
Sr. Developer - Application Development JAVA N
Added 13 hours ago
K
Senior SR&ED Consultant (Software Engineering)
KPMG
Hamilton, ON · London, ON · Oakville, ON · Ottawa, ON · ON · Kitchener, Ontario · Kanata, Ontario
- Full-time
…SR&ED Tax Incentives group. The specific opportunity is for an engineering or computer science trained/experienced professional working in the Software Development space who is seeking to…
Added 15 hours ago
Sr SDET– Firmware Automation
Lightmatter
Toronto, ON
Lightmatter is leading the revolution in AI data center infrastructure, enabling the next giant leaps in human progress. The company invented the world’s first 3D-stacked photonics engine,…
Added 15 hours ago
L
Sr SDET– Firmware Automation
Lightmatter
Toronto, ON
- Full-time
Lightmatter is leading the revolution in AI data center infrastructure, enabling the next giant leaps in human progress. The company invented the world’s first 3D-stacked photonics engine,…
Added 17 hours ago
Q
Sr Staff/Principal DevOps Engineer, Machine Learning Infrastructure and Performance
Qualcomm
Markham, ON
- Full-time
Engineering Group, Engineering Group > Machine Learning Engineering

OnX

Sr. Engineer Network Administration

Toronto, ON, Canada

Full-time

Apply About employer

Applications open in a new tab.

Job details

Job type: Full-time
Apply by: Nov 7, 2026
Posting language: English
Posted: Oct 8, 2026

Original job description

OnX is a leading Canadian technology solutions provider helping organizations modernize, secure, and optimize their IT environments. We partner with clients across industries to deliver innovative infrastructure, cloud, security, and managed services solutions that drive business success.

About the Role

We are seeking a highly skilled Senior Engineer - Network Administration to join our Infrastructure Management team. In this role, you will be responsible for designing, administering, supporting, and optimizing enterprise network environments that enable secure, resilient, and high-performing business operations.

You will work across LAN, WAN, wireless, firewall, VPN, and cloud-connected environments while partnering with infrastructure, security, service delivery, and operational teams to ensure network stability, performance, and compliance

What You'll Do

Administer, monitor, and maintain enterprise network infrastructure across multiple locations.
Configure and support routers, switches, firewalls, VPNs, wireless controllers, and load balancers.
Perform network troubleshooting, incident management, and root cause analysis for complex issues.
Implement network upgrades, patching, configuration changes, and infrastructure improvements through established change management processes.
Monitor bandwidth utilization, network performance, latency, packet loss, and capacity utilization.
Collaborate with IT Security, NOC, infrastructure teams, vendors, and service providers to resolve issues and enhance service delivery.
Support network resilience initiatives including failover testing, backup validation, disaster recovery readiness, and security hardening.
Maintain accurate network documentation including diagrams, inventories, SOPs, and operational procedures.
Ensure compliance with security policies, audit requirements, and operational standards.
Mentor junior engineers and contribute to continuous improvement and automation initiatives.

Required Qualifications

Experience

6-8 years of experience in Network Administration, Network Engineering, or Infrastructure Support.
Minimum 5+ years of hands-on experience managing enterprise networking environments.
Strong experience supporting mission-critical network infrastructure in a corporate or managed services environment.

Technical Skills

Must Have:

Cisco Routing & Switching
Cisco Data Networking
Palo Alto Firewalls
Cisco ASA Firewalls
ITIL-based operational practices
LAN/WAN Administration
Network Monitoring & Troubleshooting
Firewall Management
Routing & Switching Technologies
TCP/IP, VPN, DNS, DHCP, and Network Security Fundamentals

Preferred Skills:

Cisco SD-WAN (Viptela)
Cisco Data Center Networking
Cisco Proxy Solutions
Cisco Load Balancers
Linux Networking
Prisma Cloud
SolarWinds Monitoring Solutions
High Availability and Disaster Recovery Networking

Education

Bachelor's Degree in Engineering, Computer Science, Information Technology, Electronics, Telecommunications, or a related field.
Relevant networking certifications such as CCNA, CCNP, Palo Alto Certifications, ITIL, or equivalent are highly preferred.

Success in This Role

The ideal candidate will demonstrate:

Strong analytical and troubleshooting skills.
Excellent communication and stakeholder management abilities.
A proactive, ownership-driven mindset.
Experience working within SLA-driven environments.
Ability to balance operational excellence with continuous improvement initiatives.
Strong collaboration skills across cross-functional technical teams

Why Join Us?

Join a technology services organization that specializes in cloud, networking, and security solutions across managed and professional services. We foster a collaborative, growth-oriented environment where innovation, learning, and career development are highly valued. You'll have the opportunity to work with enterprise-scale technologies while contributing to meaningful business outcomes

$50,000 – $90,000 base salary (not including bonus or commission)

“The compensation range in this posting reflects the Company’s good‑faith estimate at the time of publication. The applicable base pay range for any individual will be determined based on the candidate’s designated primary work location as well as factors including role scope and responsibilities, required qualifications, and the individual’s experience, education, skills, knowledge, and performance. Certain positions may also be eligible for additional compensation such as discretionary merit increases, bonuses, or sales‑based variable compensation in accordance with applicable plans and role requirements.

Diversity & Inclusion

OnX is an equal opportunity employer committed to creating an inclusive environment for all employees. We celebrate diversity and are dedicated to fostering a workplace where everyone can thrive regardless of race, religion, gender, age, disability, sexual orientation, or any other protected characteristic.

Apply About employer

More about this job

Responsibilities

Administer, monitor, troubleshoot, and optimize enterprise network infrastructure across LAN, WAN, wireless, firewall, VPN, and cloud-connected environments. Implement network changes and resilience improvements, maintain documentation and compliance, collaborate with technical teams and vendors, and mentor junior engineers.

Requirements

Requires 6–8 years of network administration, engineering, or infrastructure support experience, including at least 5 years managing enterprise networks. A bachelor's degree in a related field is specified, with networking or ITIL certifications preferred; strong Cisco and firewall expertise, troubleshooting ability, and experience in SLA-driven environments are also sought.

Skills

Cisco Routing And Switching
Cisco Data Networking
Palo Alto Firewalls
Cisco ASA Firewalls
ITIL Operational Practices
LAN/WAN Administration
Network Monitoring
Network Troubleshooting
Firewall Management
TCP/IP
VPN
DNS
DHCP
Cisco SD-WAN
SolarWinds
Disaster Recovery Networking

Visa sponsorship

Not detected in the job text

Keywords

Cisco Routing And Switching
Cisco Data Networking
Palo Alto Firewalls
Cisco ASA Firewalls
ITIL
LAN/WAN
Network Administration
Network Engineering
Network Monitoring
Network Troubleshooting
Firewall Management
TCP/IP
VPN
DNS
DHCP
Cisco SD-WAN (Viptela)
Cisco Data Center Networking
Cisco Proxy Solutions
Cisco Load Balancers
Linux Networking
Prisma Cloud
SolarWinds
High Availability
Disaster Recovery
Change Management
Root Cause Analysis
Incident Management
Network Security
CCNA
CCNP

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