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Added 17 mins ago
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Electrical, instrumentation and Control Engineer
Brunel
Oakville, ON
- $61 to $88 CAD / hour
- Contract
Brunel is seeking an experienced Senior Electrical, Instrumentation & Controls Engineer to support the delivery of custom-designed water treatment projects.
Added 48 mins ago
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Senior Instrumentation Control and Electrical Engineer
AtkinsRéalis
Mississauga, ON
- Full-time
Come join us in reshaping the future with AtkinsRéalis. We are seeking a highly motivated Senior Instrumentation, Control & Electrical Engineer to join our Retube Tooling & Field Services…
Added 48 mins ago
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Senior Software Engineer - AI/ML
Hach
London, ON · Vancouver, BC · CAN - Vancouver - Aquatic Informatics ULC
- $120,000 to $145,000 CAD / year
- Full-time
Reporting to the Director of Engineering & Predictive Analytics, the Senior Software Engineer will contribute to the technical development of Aquatic Informatics' predictive analytics…
Added 1 hour ago
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Senior Data Engineer
Scene+
Toronto, ON
- Full-time
Reporting to the Senior Manager, Data Engineering and Data Governance, we are looking for a Senior Data Engineer who will play a pivotal role in shaping the next generation of Scene+’s data…
Added 3 hours ago
Senior Security Engineer, Threat Response
Asana
Vancouver, BC
We are looking for a savvy Security Engineer to join our Blue Team. You will be a foundational member of the security presence in our Warsaw innovation hub, partnering directly with IT,…
Added 5 hours ago
EG
Développeur(-euse) de logiciels sénior(e) (contenu) / Senior Software Development Engineer
Expedia Group
Montreal, QC · Canada - Quebec - Montreal
- Full-time
…partners, and advertisers through our consumer brands, B2B network, and travel advertising…
Added 5 hours ago
U
Senior Software Engineer, Applied AI & Customer Solutions
Udemy
Toronto, ON
- Full-time
As a Senior Software Engineer, you will join a fast-paced innovation team that builds and deploys AI-powered solutions directly with Coursera's enterprise and campus customers. You will sit…
Added 7 hours ago
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Senior Software Engineer
Fleetworthy
AB · Edmonton, AB
- Full-time
The Senior Software Engineer is a hands-on technical contributor embedded in our agile development organization, helping build and deliver our next-gen compliance platform. You bring the…
Added 7 hours ago
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Senior Software Engineer
Fleetworthy
AB · Edmonton, AB
- Full-time
…adopted toll management solution and largest weigh station bypass network. Going beyond regulatory requirements, our safety and compliance capabilities strengthen safety programs and enable…
Added 10 hours ago
Senior Software Engineer, Applied AI & Customer Solutions
Coursera
Toronto, ON
As a Senior Software Engineer, you will join a fast-paced innovation team that builds and deploys AI-powered solutions directly with Coursera's enterprise and campus customers. You will sit…
Added 11 hours ago
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Electrical and Instrumentation Engineer
SPECTRAFORCE
Oakville, ON
- $53 to $63 CAD / hour
- Contract
Job Title: Electrical & Instrumentation Engineer
Added 15 hours ago
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Information Technology - Senior Analytics Engineer/Analytics Engineer, Marketing & Transformation Technology
Aritzia
Vancouver, BC
- Full-time
…empower self-serve analysis, reporting, and data science. As the Senior Analytics Engineer / Analytics Engineer, you will support and enable the business, apply data modeling expertise, and…
Added 15 hours ago
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Senior Software Engineer, Elixir
Clarity
Remote, Canada
- $150,000 to $275,000 CAD / year
- Full-time
- Remote
As a Senior Engineer at Hiive, you will be a hands-on contributor to the backed system powering our platform, while building a user friendly interface. You will collaborate with technical…
Added 15 hours ago
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Senior Software Engineer
Clarity
Remote, Canada
- Full-time
- Remote
As a Senior Full Stack Engineer, you will be a hands-on contributor to the frontend and backend apps powering our platform. You will learn Elixir on the job from your colleagues and…
Added 15 hours ago
A
Information Technology - Senior Analytics Engineer/Analytics Engineer, Marketing & Transformation Technology
Aritzia
Vancouver, BC
- Full-time
…empower self-serve analysis, reporting, and data science. As the Senior Analytics Engineer / Analytics Engineer, you will support and enable the business, apply data modeling expertise, and…
Added 15 hours ago
JE
Senior Instrumentation Engineer
Juno Engineering Canada Inc.
Calgary, AB
- Full-time
We are seeking a full-time, permanent or contract Senior Instrumentation Engineer or Technologist with 10 or more years of industrial instrumentation experience, including at least 5 years…
Added 17 hours ago
BS
Tech Transformation - Application Network Engineer
Brainhunter Systems Ltd
Toronto, ON
- Contract
The Senior Network Migration & Application Connectivity Engineer is responsible for enabling the successful migration, modernization, and ongoing operation of business applications across…
Added 17 hours ago
A
Municipal Civil EIT - Civil 3D
AECOM
Burnaby, BC
- $66,000 to $75,000 CAD / year
- Full-time
AECOM's Municipal Roads Group in Burnaby is seeking a Junior Municipal Civil Designer / Engineer-in-Training to support the planning and design of municipal infrastructure across Metro…
Added 17 hours ago
GS
Artificial Intelligence Engineer
Gala Solutions
Montreal, QC
- Contract
Experience Level: Level 3 (senior): 5-7 years
Added 17 hours ago
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Senior Electrical Power Engineer
HDR
Vancouver, BC
- Full-time
…is poised for monumental growth. We are seeking a qualified Senior Electrical Power Engineer to help our clients develop, contract, and implement natural gas and potentially renewable…
Added 18 hours ago
Senior Software Developer, Mobile (iOS), Platforms and Devices
Google
Waterloo, ON
…mobile; the list goes on and is growing every day. As a software engineer, you will work on a specific project critical to Google’s needs with opportunities to switch teams and projects as…
Added 18 hours 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 18 hours ago
R
Senior Mechanical Engineer
Raise
Burnaby, BC
- Full-time
Raise is currently hiring a Senior Mechanical Engineer on behalf of our client. They’re expanding their team to meet growing needs, making this a unique opportunity to work with an industry…
Added 19 hours 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 20 hours ago
DS
Senior Network Engineer
Dacaro Services
Toronto, ON · Greater Toronto Area, Canada
- Contract
Network Engineer – Cisco Secure Workload (Network Segmentation) Project

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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