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Added 28 mins ago
DC
Electrical Engineer
Dillon Consulting Limited
Halifax, NS
- Full-time
We are currently seeking an Electrical Engineer to join our Halifax team. As our pipeline of new and ongoing projects continues to expand, you will have the opportunity to make an immediate…
Added 1 hour ago
SA
Senior Application Support Engineer (Trading & Market Data)
Solactive AG
Toronto, ON
- Full-time
Proactively identify recurring issues and drive permanent solutions.
Added 2 hours ago
Lead Data Engineer
ZS
Toronto, ON
…strong leadership skills to drive best-in-class data engineering solutions and mentor junior team…
Added 4 hours ago
A
Senior Piping Supports Design Engineer
AtkinsRéalis
Mississauga, ON
- Full-time
Registered or eligible to be registered as a Professional Engineer in the Province of Ontario (mandatory requirement).
Added 4 hours ago
A
Senior Piping Stress Analyst Engineer
AtkinsRéalis
Mississauga, ON
- Full-time
Provide technical mentorship and guidance to junior/intermediate engineers.
Added 5 hours ago
DC
Civil Land Development Engineer
Dillon Consulting Limited
Calgary, AB
- Full-time
Dillon’s Land Development Business Unit is looking for a Civil Land Development Engineer to fill an existing vacancy within our multidisciplinary team of professionals . You will have the…
Added 6 hours ago
F
Senior Software Engineer
Fleetworthy
AB · Edmonton, AB
- Full-time
…safety and compliance, toll management, and weigh station bypass solutions. We help fleets streamline operations, control costs, and operate with…
Added 6 hours ago
SM
Instrumentation & Controls Engineer - Project Lead
Solaris Management Consultants Inc
Surrey, BC · Calgary, AB
- $130,000 to $170,000 CAD / year
- Full-time
Job Title: Instrumentation and Controls Engineer – Project Lead
Added 7 hours ago
A
Senior Piping Stress Analyst Engineer
AtkinsRéalis
Mississauga, ON
- Full-time
Provide technical mentorship and guidance to junior/intermediate engineers.
Added 7 hours ago
A
Senior Piping Supports Design Engineer
AtkinsRéalis
Mississauga, ON
- Full-time
Registered or eligible to be registered as a Professional Engineer in the Province of Ontario (mandatory requirement).
Added 7 hours ago
A
Senior Piping Stress Analyst Engineer
AtkinsRéalis
Mississauga, ON
- Full-time
Provide technical mentorship and guidance to junior/intermediate engineers.
Added 7 hours ago
A
Senior Piping Supports Design Engineer
AtkinsRéalis
Mississauga, ON
- Full-time
Registered or eligible to be registered as a Professional Engineer in the Province of Ontario (mandatory requirement).
Added 7 hours ago
KC
Senior Embedded Software Designer
Kepler Communications Inc.
Toronto, ON
- Full-time
We're on the hunt for a top-tier Senior Embedded Software Engineer. Your focus will be on software development and maintenance required for both space and ground-based assets for a growing…
Added 7 hours ago
AS
Electrical Consultant
Aker Solutions
St. John's, NL
- Full-time
At Aker Solutions we are changemakers with nearly 200 years of experience, committed to helping the energy industry #PowerTheChange towards a net-zero future.
Added 8 hours ago
H
Senior Full Stack Engineer (Azure Cloud Platform)
HCLTech
Calgary, AB
- Full-time
A strong engineer who enjoys building scalable, reusable, and maintainable solutions.
Added 9 hours ago
H
Mechanical Engineer
Hays
Ottawa, ON
- Full-time
…and institutional clients to deliver practical engineering solutions focused on mechanical systems, asset management, rehabilitation, capital planning, and long-term building…
Added 10 hours ago
S
Electrical and Instrumentation Engineer
SPECTRAFORCE
Oakville, ON
- $53 to $63 CAD / hour
- Contract
Job Title: Electrical & Instrumentation Engineer
Added 10 hours ago
WI
Senior Mechanical Engineer (Plant Design)
WSP in Canada
Mississauga, ON
- Full-time
With an unmatched breadth and depth of engineering, advisory and science‑based expertise, our global minds unite to power local solutions.
Added 11 hours ago
F
Principal Design Engineer / Structural Lead Engineer - Mining and Metals
Fluor
Vancouver, BC
- Full-time
Supervise and act as mentor for a junior level designer of junior level engineer.
Added 11 hours ago
BS
Senior Design Quality Engineer / Ingénieur principal en qualité de la conception
Boston Scientific
Montreal, QC
- Full-time
…independently managing complex technical challenges and driving to solutions across hardware, software, and system domains. The Senior Design Quality role will influence strategic quality…
Added 13 hours ago
B
Building Mechanical Engineer
BPA
Toronto, ON · Greater Toronto Area, Canada
- Full-time
As an Intermediate Mechanical Design Engineer, you will contribute to the design and delivery of a wide variety of building projects while working closely with senior engineers, project…
Added 13 hours ago
Dev. Machine Learning Engineering II
Bell
Toronto, ON
…more connected future through world-class networks, AI-powered solutions, and digital experiences that elevate how people live, work, and play every…
Added 13 hours ago
MG
Java Engineer
Matrix Global
Toronto, ON
- Full-time
We are seeking a talented and motivated Java Engineer with strong experience in the Microsoft Azure ecosystem to join our growing engineering team. In this role, you will be responsible for…
Added 13 hours ago
B
Dev. Machine Learning Engineering II
Bell
Toronto, ON
- Full-time
…more connected future through world-class networks, AI-powered solutions, and digital experiences that elevate how people live, work, and play every…
Added 13 hours ago
TI
Sr. Analytics Developer
TTI, Inc.
Toronto, ON
- Full-time
The Sr. Analytics Developer will drive the development of enterprise-grade analytics solutions and mentor junior team members to ensure consistent delivery of high-quality insights.

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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