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Added 8 mins ago
Data Engineer, Amazon Traffic Engineering
Amazon
Vancouver, BC
- Keep our data fortress secure by implementing smart governance and security measures that protect sensitive information
Added 8 mins ago
GD
Software Engineering Developer, DevOps
General Dynamics Missions System International
Calgary, AB · Ottawa, Ontario
- $85,000 to $110,000 CAD / year
- Full-time
…Canadian Controlled Goods program and that all of its workforce be security assessed. Successful applicants must meet all applicable security requirements, including but not limited to the…
Added 8 mins ago
Application & Infrastructure Analyst III /Team Lead - Mission Critical Development
City of Edmonton
AB
Collaborate with project teams, vendors, business stakeholders, operational units, enterprise architecture, information security, and other IT teams to deliver technical components.
Added 37 mins ago
RS
Principal Software Engineer- RMJ (AI Accelerated)
Redwood Software
ON
- $150,000 to $170,000 CAD / year
As a Principal Software Engineer, you will be a senior technical leader and strategic influencer shaping Redwood’s RunMyJobs platform. You will drive high-impact technical decisions, own…
Added 52 mins ago
C(
Senior Software Engineer, Elixir
Clarity (formerly Hiive)
Vancouver, BC
- Full-time
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 1 hour ago
EM
Power Engineer 5th Class
Edon Management
Stettler, AB
- Full-time
At Edon Management, we're looking for a 5th Class Power Engineer to join our Stettler/Bashaw operations team. This role offers the opportunity to work with a respected Alberta-based company…
Added 1 hour ago
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Lifting Supervisor (Night Shift)
Ontario Transit Group
Toronto, ON
- Full-time
Record hourly meters and/or kilometers of all on-site equipment (e.g., mobile cranes, heavy equipment) and provide updates to the Plant Engineer.
Added 1 hour ago
C
Electrical Project Engineer
CIMA+
Vancouver, BC
- $92,800 to $127,600 CAD / year
- Full-time
…what’s expected of us to meet the challenges of tomorrow and engineer a better…
Added 1 hour ago
MP
Lead Data Engineer - Temporary Assignment up to 18 months
Municipal Property Assessment Corporation
Pickering, ON
- Temporary
Become a Lead Data Engineer - Temporary Assignment up to 18 months with MPAC
Added 1 hour ago
T
Sr, Mainframe Engineer, TD Securities
TD
Toronto, ON
- Full-time
TD Securities Payments Workflow Technology team is looking for an application engineer to implement solutions in alignment with the firm’s technology strategy. The team is responsible for…
Added 1 hour ago
NN
Project Engineer- Montreal (m/f/d)
Nordex North America
Montreal, QC
- Full-time
The role of Project Engineer directly supports the company’s mission to develop and deliver clean power plants that make 100% renewable energy a reality for the world. You will join Nordex…
Added 1 hour ago
N
Network Engineer
Nutrien
Calgary, AB
- Full-time
Partner closely with business units, regional Information Technology (IT), Network Operations, and other infrastructure teams to prioritize demand, align delivery timelines, and ensure…
Added 1 hour ago
AC
Data and Modelling Engineer
Amphenol Communications Solutions
Markham, ON
- Full-time
…end markets for the Company's products are communications and information processing markets, including cable television, cellular telephone and data communication and information…
Added 1 hour ago
NN
Sales Engineer- Montreal (m/f/d)
Nordex North America
Montreal, QC
- Full-time
The role of Sales Engineer directly supports the company’s mission to develop and deliver clean power plants that make 100% renewable energy a reality for the world. As a Sales Engineer,…
Added 1 hour ago
C
Electrical Project Engineer
CIMA+
Vancouver, BC
- $92,800 to $127,600 CAD / year
- Full-time
…what’s expected of us to meet the challenges of tomorrow and engineer a better…
Added 1 hour ago
M
Data Specialist
McKesson
Mississauga, ON
- Full-time
Partner with Forward Deployed Engineer, business stakeholders, product teams, and analytics teams to translate business requirements into scalable data solutions.
Added 1 hour ago
GC
Senior Engineer, Process Maintenance
Glencore Canada
Sparwood, BC
- $115,000 to $145,000 CAD / year
- Full-time
Reporting to the Senior Engineering Supervisor, Processing, the Senior Engineer, Process Maintenance is responsible for identifying, evaluating, and effectively implementing maintenance…
Added 1 hour ago
EB
Intern - Software Engineer, Winter 2027
EQ Bank
Toronto, ON
- Volunteer
Starting in January 2027, you’ll begin your journey as a Software Engineer Intern through our Engineering Graduate Program, designed to accelerate your development through immersive,…
Added 1 hour ago
P
Quality Assurance Engineer
Paymentus
Richmond Hill, ON
- $70,000 to $100,000 CAD / year
- Full-time
At Paymentus, the QA Engineer plays a key role in quality assurance and control of our products, services, and team delivery. The QA Engineer combines quality assurance, engineering, and…
Added 1 hour ago
Q
Engineer in Training - Protection & Control
Qualus
Vancouver, BC
- Full-time
We are committed to a secure and transparent hiring process. We do not request payment or sensitive personal information, such as Social Security numbers or banking details, during the…
Added 2 hours ago
O
Sr. Engineer Network Administration
OnX
Toronto, ON
- Full-time
…across industries to deliver innovative infrastructure, cloud, security, and managed services solutions that drive business…
Added 2 hours ago
O
Sr. Engineer System administrator
OnX
Toronto, ON
- Full-time
…across industries to deliver innovative infrastructure, cloud, security, and managed services solutions that drive business…
Added 2 hours ago
A
Principal Engineer - Mechanical
AtkinsRéalis
Mississauga, ON
- Full-time
AtkinsRéalis is looking to hire a Senior Mechanical Engineer. This position requires experienced individuals who are self-starter capable of working independently and leading/supervising…
Added 2 hours ago
A
Project Manager - Water & Wastewater
AtkinsRéalis
Halifax, NS
- Full-time
Registered Professional Engineer (P.Eng.) in Nova Scotia, or eligible for registration with Engineers Nova Scotia.
Added 2 hours ago
A
Specialist Engineer - Mechanical
AtkinsRéalis
Mississauga, ON
- Full-time
AtkinsRéalis is looking to hire a Senior Mechanical Engineer. This position requires experienced individuals who are self-starter capable of working independently and leading/supervising…

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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