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SG
Senior Solution Designer
SRA Group
NB · New Brunswick, Canada
- $85 to $90 CAD / hour
- Contract
Senior Solution Designer - Microsoft Fabric & Azure Synapse
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AE
Senior Long-Term Mining Engineer, Underground
Agnico Eagle Mines Limited
Dobie, ON
- Full-time
Compare annual performance trends against study benchmarks and evaluate impacts of variance on physicals;
Added 2 mins ago
C
Senior Google Cloud Data Engineer
CGI
Halifax, NS
- Full-time
We are seeking a Senior Google Cloud Data Specialist to design, build, and optimize scalable data solutions on Google Cloud Platform (GCP).
Added 2 mins ago
WI
Civil Engineer-in-Training
WSP in Canada
Kamloops, BC
- Full-time
Collaborate with project managers, clients, contractors, and senior engineers to advance projects from concept through construction.
Added 2 mins ago
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Lead Data Engineer
ZS
Toronto, ON
- Full-time
The Data Engineering Lead is a senior technical professional responsible for designing, building, and optimizing scalable data architectures and processes to enable efficient data…
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WI
Senior Electrical Engineer - Mission Critical & Data Centers
WSP in Canada
Toronto, ON
- Full-time
Join our Mission Critical & Data Centers team and help shape the future of digital infrastructure across Canada. As a Senior Electrical Engineer, you will provide technical leadership on…
Added 2 mins ago
WI
Senior Electrical Engineer - Mission Critical & Data Centers
WSP in Canada
Ottawa, ON
- Full-time
Join our Mission Critical & Data Centers team and help shape the future of digital infrastructure across Canada. As a Senior Electrical Engineer, you will provide technical leadership on…
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WI
Senior Engineer, Bridges
WSP in Canada
Calgary, AB
- Full-time
Eligible for Professional Engineer (P.Eng.) licence in Alberta.
Added 4 mins ago
Civil Engineer-in-Training
WSP
Kamloops, BC
Collaborate with project managers, clients, contractors, and senior engineers to advance projects from concept through construction.
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Senior Consultant, Digital Analytics - Simplii Financial
CIBC
Toronto, ON
- Full-time
…our digital properties is one of our most valuable assets. As Senior Consultant, Digital Analytics, you are responsible for building and managing the analytics infrastructure that powers…
Added 18 mins ago
TR
JREQ203081 Staff Software Engineer I (Open)
Thomson Reuters
Toronto, ON
- Full-time
The CoCounsel Agent Context team is seeking a Staff Software Engineer to set the technical direction for Content Tools - the purpose-built APIs that give AI agents precise, governed access…
Added 19 mins ago
M
Software Engineer II, Core Edge Processing
Marqeta
Remote, Canada
- Full-time
- Remote
As Marqeta's Software Engineer II on the Core Edge Processing team, you will write and ship production code at the heart of our processing systems, learning alongside senior engineers on a…
Added 19 mins ago
SI
Senior iOS Engineer
Scribd, Inc.
Toronto, ON · Vancouver, BC
- Full-time
We are seeking a Senior iOS Engineer to join our Growth Retention & Monetization team. You will be the iOS technical owner for the team across the Everand and Scribd apps, and lead the…
Added 33 mins ago
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Senior Data Engineer / Data Modeler – Banking Domain
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Toronto, ON
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Role Overview: We are looking for a hands-on Senior Data Engineer / Data Modeler with strong expertise in both Data Engineering and Data Modeling. The consultant must have excellent Python…
Added 34 mins ago
Software Engineer I
RAM Engineering Ltd.
Vancouver, BC
Working under the guidance of a Senior Engineer, Lead, or IT Manager, you will contribute to both internal RAM solutions and client-facing projects. You’ll work primarily within a modern…
Added 1 hour ago
NC
Engineer, Civil/Structural
Newmont Corporation
Vancouver, BC
- Full-time
Professional Engineer (P.Eng.) designation in British Columbia, or senior EIT nearing P.Eng. eligibility.
Added 1 hour ago
IG
Quality Assurance Supervisor
IMT Group
Port Colborne, ON
- $65,000 to $85,000 CAD / year
- Full-time
Provide regular quality performance reports to senior management.
Added 1 hour ago
M
Senior Full Stack Engineer, Customer & Cardholder Experiences
Marqeta
Remote, Canada
- Full-time
- Remote
We are looking for a Senior Full Stack Software Engineer to join our Customer & Cardholder Experiences team, delivering innovative UIs and embeddable solutions to transform the experience…
Added 1 hour ago
PD
Senior Software Engineer - Backend
Parallel Domain
Vancouver, BC
- Full-time
We're hiring a Senior Software Engineer to own delivery across this stack. You'll design and build features and services end to end - from API design through to production - and take real…
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HR
Technical Specialist, Senior - Vital Software
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Toronto, ON
- Full-time
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Added 2 hours ago
BS
Senior Design Quality Engineer / Ingénieur principal en qualité de la conception
Boston Scientific
Montreal, QC
- Full-time
Diversity - Innovation - Caring - Global Collaboration - Winning Spirit - High Performance
Added 2 hours ago
BS
Senior Design Quality Engineer / Ingénieur principal en qualité de la conception
Boston Scientific
Montreal, QC
- Full-time
Diversity - Innovation - Caring - Global Collaboration - Winning Spirit - High Performance
Added 2 hours ago
LT
Automation Engineer
Lorven Technologies Inc.
Mississauga, ON
- Contract
Role: Senior QA Automation Engineer (Playwright)
Added 2 hours ago
AI
Senior QA
AI Interviews
Toronto, ON · Greater Toronto Area, Canada
- Contract
We are looking for a Senior QA Engineer with strong experience in automation testing of mobile and web applications. The ideal candidate should have hands-on experience with Appium, mobile…
Added 2 hours ago
T
Senior Data Engineer || Ottawa/Toronto
TestingXperts
Ottawa, ON
- Contract
This position is for a Senior Data engineer with a background in Python, Pyspark, SQL and data warehousing for enterprise level systems. The position calls for someone that is comfortable…

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 5, 2026
Posting language: English
Posted: Oct 6, 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, including LAN, WAN, wireless, firewalls, VPNs, and load balancers. Implement network changes and resilience measures, maintain documentation and compliance, collaborate across technical teams, 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 relevant bachelor's degree is specified, and networking or ITIL certifications are highly preferred; strong troubleshooting, communication, collaboration, and SLA-driven operations experience 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 And Troubleshooting
Firewall Management
TCP/IP
VPN
DNS
DHCP
Cisco SD-WAN
Cisco Data Center Networking
SolarWinds
High Availability And Disaster Recovery

Visa sponsorship

Not detected in the job text

Keywords

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

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