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Added 6 mins ago
MP
Lead Data Engineer - Temporary Assignment up to 18 months
Municipal Property Assessment Corporation
Pickering, ON
- Temporary
7+ years of progressive development experience in a senior technical capacity
Added 6 mins ago
TS
Vice President, Trade and Working Capital
TD Securities
Toronto, ON
- Full-time
…opportunities to all colleagues. Growth opportunities and skill development are defining features of the colleague experience at TD. Our compensation policies and practices have been…
Added 6 mins ago
TI
Senior Business Analyst
Teckhorizon Inc
Toronto, ON
- Contract
The client is seeking an experienced Senior Business Analyst to provide comprehensive I&IT business analysis services across medium to large-sized projects. The successful candidate will…
Added 6 mins ago
H
Software Engineer
Hays
Toronto, ON
- Contract
We are seeking a Senior Developer with strong Java and/or Python skills to support Single Sign-On (SSO) implementations using PingFederate for Employee and Customer platforms. The ideal…
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Senior Python Developer
GlobalVariable
Toronto, ON
- Contract
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EI
Senior Civil Engineer - Major Projects (Toronto or Hamilton)
Egis in Canada
Toronto, ON
- $150,000 to $180,000 CAD / year
- Full-time
To guarantee seamless project delivery, we provide an all-encompassing approach and a comprehensive array of services. Whether it's leading major projects, crafting complex commercial plans…
Added 6 mins ago
RT
Product Manager
Russell Tobin
Toronto, ON
- $80 to $90 CAD / hour
- Contract
5+ years of product management experience in IT or digital services
Added 6 mins ago
FC
Sr Marketing Specialist (B2B Multi-Vertical)
FedEx Canada
Mississauga, ON
- Full-time
The Solutions Team is seeking a Senior Marketing Specialist B2B Multi-Verticals and Capabilities (AI/Industrial/Manufacturing/Technology) located in Mississauga, Ontario. This is a hybrid…
Added 6 mins ago
ED
Senior Business Analyst - EN 450
Export Development Canada | Exportation et développement Canada
Halifax, NS
- $96,557 to $128,743 CAD / year
- Full-time
The Senior Business Analyst works in a matrixed and collaborative environment with other Digital Experience Family members and multiple delivery partners, to connect business subject matter…
Added 6 mins ago
ED
Senior Business Analyst - EN 450
Export Development Canada | Exportation et développement Canada
Calgary, AB
- $96,557 to $128,743 CAD / year
- Full-time
The Senior Business Analyst works in a matrixed and collaborative environment with other Digital Experience Family members and multiple delivery partners, to connect business subject matter…
Added 6 mins ago
ED
Senior Business Analyst - EN 450
Export Development Canada | Exportation et développement Canada
Montreal, QC
- $96,557 to $128,743 CAD / year
- Full-time
The Senior Business Analyst works in a matrixed and collaborative environment with other Digital Experience Family members and multiple delivery partners, to connect business subject matter…
Added 6 mins ago
C
Ingénieur de rotation-EN
CAE
Montreal, QC
- Full-time
…graduates in engineering and computer science will accelerate their development as they rotate through four intensive, stimulating assignments, one in each CAE business unit. Applicants…
Added 6 mins ago
OP
Credit and Collections Team Lead
Onyx-Fire Protection Services Inc.
Mississauga, ON
- $70,000 to $90,000 CAD / year
- Full-time
Support performance management and development initiatives.
Added 6 mins ago
WO
Registered Practical Nurse - Stroke Unit
William Osler Health System
Brampton, ON
- Contract
A hospital system built for and by the community, we continue to expand our services to meet the needs of a growing population, creating opportunities for increased hands-on skills…
Added 6 mins ago
FI
Integrated Logistics Support Analyst
Fleetway Inc.
Halifax, NS
- Full-time
…generation naval platforms. In this role, you will contribute to the development of maintenance strategies, sparing and provisioning solutions, and life cycle support products that ensure…
Added 6 mins ago
TT
Vice President of Sales
Trimac Transportation
Calgary, AB
- Full-time
…initiatives. This includes our current Truckline, National Tank Services, Bulk Plus Logistics operations as well as new complementary business opportunities brought forward by the Marketing…
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Senior Manager, Terminals (Inland and Port Facilities)
Nutrien
Calgary, AB
- Full-time
Nutrien is a leading provider of crop inputs and services, and our business results make a positive impact on the world. Our purpose, Feeding the Future, is the reason we come to work each…
Added 6 mins ago
S
Senior Consultant, Change Management
Slalom
Calgary, AB
- Full-time
…become the world’s most customer-obsessed and employee-empowered services company. From strategy through delivery, our agile teams across 52 offices in 12 countries partner with clients to…
Added 6 mins ago
K&
Senior Financial Analyst, Treasury / Corporate Services
Kohl & Frisch Limited
Concord, ON
- Full-time
The Senior Financial Analyst, Corporate Services is a key member of the Finance team managing the company’s treasury function to ensure ongoing compliance, while maintaining a strong…
Added 6 mins ago
N
Senior Manager, Terminals (Inland and Port Facilities)
Nutrien
Saskatoon, SK
- Full-time
Nutrien is a leading provider of crop inputs and services, and our business results make a positive impact on the world. Our purpose, Feeding the Future, is the reason we come to work each…
Added 6 mins ago
EI
Senior Civil Engineer - Land Development
Egis in Canada
Markham, ON
- $130,000 to $160,000 CAD / year
- Full-time
Our team is currently seeing an experienced Land Development Senior Civil Engineer. We boast a seasoned multi-disciplinary crew ready to support your land development endeavor. To guarantee…
Added 6 mins ago
MW
Director of Operations
Mennonite World Conference (MWC)
Kitchener, ON
- Full-time
The Director of Operations leads the Operations Department of Mennonite World Conference (MWC) and is a member of the Leadership Team and the Senior Staff Team.
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K&
Marketing Director
Kids & Company
Richmond Hill, ON
- Full-time
Reporting to the VP of Marketing & Brand, the Director of Marketing is a senior leadership role for someone equally as comfortable shaping strategies and forming relationships as they are…
Added 6 mins ago
ED
Senior Business Analyst - EN 450
Export Development Canada | Exportation et développement Canada
Ottawa, ON
- $96,557 to $128,743 CAD / year
- Full-time
The Senior Business Analyst works in a matrixed and collaborative environment with other Digital Experience Family members and multiple delivery partners, to connect business subject matter…
Added 6 mins ago
O
Senior Backend Developer
Off2Class
Toronto, ON · Greater Toronto Area, Canada
- Full-time
The Senior Back-End Developer is responsible for strengthening and extending the Off2Class software platform through reliable, scalable, and maintainable back-end development. This role…

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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