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Added 3 mins ago
V
GTM Growth Lead
Validere
Calgary, AB · Toronto, ON
- Full-time
…decisions by streamlining operations with integrated data, automation, and predictive…
Added 3 mins ago
UH
Senior Data Science Analyst
University Health Network
Toronto, ON
- Contract
Establish and maintain MLOps best practices, including model versioning, pipeline automation, experiment tracking, and reproducible workflows.
Added 16 mins ago
SR
Senior Tax Manager
Swim Recruiting
Vancouver, BC
- $130,000 to $170,000 CAD / year
- Full-time
Reporting directly to the VP, Tax, this is a hands-on Senior Manager position combining corporate tax compliance, tax accounting and provisions with international tax, business partnering,…
Added 16 mins ago
B
Senior Mechanical Engineer
BGIS
Markham, ON
- Full-time
The Senior Mechanical Engineer will be a member of the Professional Services team and be able to work independently on Heating, Ventilation and Air Conditioning (HVAC), plumbing, drainage,…
Added 33 mins ago
KC
Senior Tax Analyst
Klohn Crippen Berger
Vancouver, BC
- Full-time
We are seeking a highly motivated, organized, detail-oriented, and experienced Senior Tax Analyst to join our Corporate Finance team in Vancouver as we continue to expand our global…
Added 33 mins ago
B
Senior Mechanical Engineer
BGIS
Markham, ON
- Full-time
The Senior Mechanical Engineer will be a member of the Professional Services team and be able to work independently on Heating, Ventilation and Air Conditioning (HVAC), plumbing, drainage,…
Added 33 mins ago
Vertical Account Manager, Industrial Automation, Automotive
Siemens
Oakville, ON
Consultative Selling: Engage with senior leaders, program managers, and technical experts within customer organizations to understand their challenges related to automation and drive…
Added 33 mins ago
RS
Principal Software Engineer- RMJ (AI Accelerated)
Redwood Software
ON
- $150,000 to $170,000 CAD / year
…development experience, with at least three to five years in a senior or staff software engineer role. This position requires proven experience in workload automation, job scheduling, and…
Added 33 mins ago
Director, Engineering
Scotiabank
Toronto, ON
Drives engineering excellence by promoting best practices in coding, architecture, AI, DevOps, CI/CD, observability, test automation, and incident response.
Added 48 mins ago
M
RQ11475 - Software Developer - CRM - Senior
Maarut
Toronto, ON
- Contract
Minimum 3 years in a Technical Lead, Lead Developer, or Solution Lead role.
Added 48 mins ago
M
RQ11648 - Business Analyst - Senior
Maarut
Toronto, ON
- Contract
to identify automation opportunities and workflow enhancements.
Added 1 hour ago
AI
Machine Learning Engineer- AWS SageMaker
Astra-North Infoteck Inc. ~ Conquering today’s challenges, achieving tomorrow’s vision!
Toronto, ON
- Full-time
We are looking for a highly experienced Senior AWS SageMaker / MLOps Engineer with 8+ years of overall IT experience and strong expertise in building, deploying, and operationalizing…
Added 1 hour ago
HT
Financial Manager - PLM (Product Line Mgmt)
Husky Technologies
Bolton, ON
- Full-time
Translate complex data into clear, actionable recommendations for senior leadership
Added 1 hour ago
W
Senior Technical Consultant - Functional Safety
Worley
AB · Edmonton, AB
- Full-time
Senior Technical Consultant – Functional Safety, Autonomous Operations
Added 1 hour ago
W
Senior Technical Consultant - Functional Safety
Worley
Calgary, AB
- Full-time
Senior Technical Consultant – Functional Safety, Autonomous Operations
Added 1 hour ago
F
UX Product Designer
Fortra
Canada
- Full-time
This is a senior individual-contributor role with meaningful ownership of assigned product areas and initiatives. You will contribute strong design craft, customer insight, and…
Added 1 hour ago
HT
Designer, Development (Electrical)
Husky Technologies
Bolton, ON
- Full-time
The Senior Designer, Development (Electrical) will be a key contributor to these product development teams, responsible for designing and delivering robust, safe and reliable electrical…
Added 1 hour ago
EI
Senior Water Resources Engineer, Land Development
Egis in Canada
Toronto, ON
- $105,000 to $130,000 CAD / year
- Full-time
The Senior Water Resources Engineer position is based in Toronto, Ontario, Canada and is responsible for the planning, analysis, and delivery of water resources engineering and hydraulic…
Added 1 hour ago
XS
Test Automation Architect
Xaxis Solutions
Toronto, ON
- Contract
Clearly communicate automation strategy, progress, risks, dependencies, and value to senior leadership.
Added 1 hour ago
W
Senior to Principal Instrumentation & Controls Designer
Worley
Vancouver, BC
- Full-time
The Senior or Principal Instrumentation Designer provides expert-level design expertise and technical leadership for instrumentation and control (I&C) deliverables across major projects.…
Added 1 hour ago
W
Senior to Principal Instrumentation & Controls Designer
Worley
AB · Edmonton, AB
- Full-time
The Senior or Principal Instrumentation Designer provides expert-level design expertise and technical leadership for instrumentation and control (I&C) deliverables across major projects.…
Added 1 hour ago
W
Senior to Principal Instrumentation & Controls Designer
Worley
Calgary, AB
- Full-time
The Senior or Principal Instrumentation Designer provides expert-level design expertise and technical leadership for instrumentation and control (I&C) deliverables across major projects.…
Added 1 hour ago
Sr Product Analyst - Rogers Sports & Media
Rogers Communications
Toronto, ON
…problems such as reporting, analytics, advertising campaign automation, and audience…
Added 1 hour ago
EG
Senior Water Resources Engineer, Land Development
Egis Group
Toronto, ON
- $105,000 to $130,000 CAD / year
- Full-time
The Senior Water Resources Engineer position is based in Toronto, Ontario, Canada and is responsible for the planning, analysis, and delivery of water resources engineering and hydraulic…
Added 1 hour ago
RB
Director - Datacenter Network & Security Operations
Royal Bank of Canada
Toronto, ON
- Full-time
…championing Site Reliability Engineering transformation and automation initiatives. You'll build and mentor high-performing technical teams while balancing immediate operational stability…

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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