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Added 4 mins ago
PF
Gestionnaire senior·e de la réussite client | Senior Customer Success Manager
Power Factors
Montreal, QC
- Full-time
Le ou la Gestionnaire senior·e de la réussite client agit à titre de conseiller·ère de confiance et de responsable commercial·e pour un portefeuille de comptes stratégiques chez Power…
Added 33 mins ago
WL
Senior Planner
Woodfibre LNG
Squamish, BC
- $140,000 to $160,000 CAD / year
- Full-time
The Senior Planner is an integral part of Woodfibre LNG's dynamic team. You will be responsible for managing the EPC (Engineering, Procurement, and Construction) Contractor on behalf of the…
Added 33 mins 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 33 mins ago
M
Front of House - Supervisor
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- Full-time
Actively lead shifts, in support of senior leadership team members while helping to manage budgetary goals
Added 33 mins ago
HT
IT Internal Auditor
Husky Technologies
Bolton, ON
- Full-time
…model. You will be part of a global team and report to the Senior Manager; IT Audit located in Bolton. The Senior Manager, IT Audit reports to the VP, Internal Audit, who reports to the…
Added 33 mins ago
NB
Chief Application Analyst
National Bank of Canada
Toronto, ON
- Full-time
You are part of a team of 7 colleagues in the Electronic Trading sector and will report to the Senior Manager.
Added 33 mins ago
NB
Senior Digital Project Director
National Bank of Canada
Montreal, QC
- Temporary
A career as a Senior Digital Project Director within the Digital Delivery and Operations team at National Bank means playing a key role in delivering large-scale technology initiatives and…
Added 33 mins ago
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Senior Advisor in Estate Planning
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Montreal, QC
- Full-time
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Added 33 mins ago
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Senior Data Scientist
National Bank of Canada
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- Full-time
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Added 1 hour ago
SP
Analyst/Sr. Analyst, Global Incentive Compensation
Salesforce Partner Canada
Toronto, ON
- Full-time
…tailoring messaging for diverse audiences - from technical teams to senior leadership - to build alignment and influence…
Added 1 hour ago
BA
Accounting Clerk
Barrie Area Native Advisory Circle
Barrie, ON
- Part-time
BANAC offers many innovative programs and services including Aging Well Senior Supports, Bebminot Family Wellness, the Biinoojinsauk Child Care Centre, Maapii Enjii Zaagi Gaazwad and the…
Added 1 hour ago
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Senior Cyber Security Network Analyst (Global Security)
Royal Bank of Canada
Toronto, ON
- Full-time
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Added 2 hours ago
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Technical Marketing Engineer
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- Full-time
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Added 2 hours ago
TH
Child & Youth Counsellor, Eating Disorders Program (EDP)
The Hospital for Sick Children
Toronto, ON
- Full-time
Reporting to the Adolescent Medicine, Senior Clinical Manager and working primarily and collaboratively with the interdisciplinary team in the Eating Disorder Day Hospital (EDDH) the Child…
Added 2 hours ago
LI
Software Developer - Full Stack - Senior
Lotus IT Solutions
Toronto, ON
- Contract
…Procurement, under the Community Services Cluster, is seeking a Senior Full Stack Software Developer for an onsite engagement in Toronto. The successful consultant will design, develop, and…
Added 2 hours ago
K
Senior Software Engineer – DevTest / QA Automation
Kaseya
Toronto, ON
- Full-time
Kaseya is seeking a Senior Software Engineer – DevTest / QA Automation to design, build, and maintain robust automated testing capabilities across enterprise software platforms.
Added 2 hours ago
TS
Terminal Manager
The Seaboard Transport Group
Woodstock, ON
- Full-time
Provide leadership and feedback, and maintain open communication with the Director and Senior Management
Added 2 hours ago
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Senior Geologist, Geotechnical
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Sparwood, BC
- $123,000 to $145,000 CAD / year
- Full-time
Reporting to the Manager, Geological Engineering, the Senior Geologist, Geotechnical is responsible for developing and continuously improving structural geology models to support pit slope…
Added 2 hours ago
BA
Receptionist
Brookfield Asset Management
Toronto, ON · Brookfield Place
- Full-time
Minimum 5 years’ experience as a corporate receptionist or senior administrative support role in a busy and corporate environment
Added 2 hours ago
M
Senior Manager, Mental Health - Canada
Movember
Toronto, ON
- Full-time
Most senior program roles come with one clear remit. This one comes with two, and the second is genuinely rare.
Added 2 hours ago
Landscape Designer
City of Vancouver
Vancouver, BC
…Park Development projects. The Landscape Designer works with senior staff to help prepare requests for proposals and tender documents to retain professional consultants and contractors for…
Added 2 hours ago
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Added 3 hours ago
CO
Chief of Police
City of Saint John
Saint John, NB
- Full-time
…as the Chief Executive Officer of the Police Force and the senior law enforcement leader for the…
Added 3 hours ago
B
Receptionist
Brookfield
Toronto, ON
- Full-time
Minimum 5 years’ experience as a corporate receptionist or senior administrative support role in a busy and corporate environment
Added 3 hours ago
TM
Senior Information Security Analyst
Toronto Metropolitan University
Toronto, ON
- Full-time
The Senior Information Security Analyst provides security expertise to clients. The Senior Information Security Analyst manages compliance initiatives, and coordinates security activities…

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.

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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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