Network Infrastructure Engineer

Position Title: Network Infrastructure Engineer
Location: Cambridge, ON (Primary) | Woodstock, ON (Rotation Support)
Work Model: Primarily Onsite | Limited Remote Flexibility
Job Type: Contract – expected to run until end of March

Overview
Our client is seeking an experienced Network Infrastructure Engineer to join a growing Information Systems Engineering team responsible for supporting enterprise network infrastructure across manufacturing, corporate, and data center environments.
This role is ideal for a hands-on network professional who thrives in highly available, business-critical environments and enjoys a mix of operational support, troubleshooting, project delivery, and infrastructure enhancement work. The successful candidate will play a key role in maintaining network stability, improving performance, supporting modernization initiatives, and ensuring secure, reliable connectivity across multiple locations.

Responsibilities

• Design, implement, maintain, and support enterprise network infrastructure.
• Support Layer 2 and Layer 3 networking across campus, manufacturing, and data center environments.
• Troubleshoot and resolve complex networking incidents using structured root cause analysis methodologies.
• Configure and support Cisco switching, routing, wireless, and security technologies.
• Administer and maintain firewall infrastructure and network security policies.
• Monitor network health and respond to alerts, outages, and performance issues.
• Support network upgrades, hardware refreshes, infrastructure deployments, and lifecycle management activities.
• Implement network segmentation and security best practices.
• Create and maintain technical documentation, network diagrams, operational procedures, and implementation plans.
• Participate in change management processes, including planning, risk assessments, validation, and rollback procedures.
• Collaborate with infrastructure, security, operations, business, and vendor teams.
• Provide after-hours and weekend support when required.
• Identify opportunities for automation, standardization, and continuous improvement.

Required Technical Experience
Candidates should have strong experience in most of the following areas:

Enterprise Networking

• Cisco Catalyst Layer 2/3 Switching
• Cisco Catalyst 9300 Platforms
• VLAN Design and Management
• Routing and Switching
• OSPF and BGP Routing Protocols
• STP, HSRP, and VRRP
• EtherChannel / LACP
• Core and Distribution Network Architecture
• Network Redundancy and High Availability

Security

• Palo Alto Firewalls
• Network Segmentation
• IPSec VPN Configuration and Support
• Access Control and Security Best Practices

Wireless & Network Services

• Cisco Wireless Technologies
• Cisco ISE
• DNS and DHCP
• Enterprise Internet Connectivity

Monitoring & Operations

• Cisco Catalyst Center
• SolarWinds or Enterprise Monitoring Platforms
• Network Monitoring and Operational Response
• Performance Management and Troubleshooting
• Incident and Problem Management

Infrastructure

• Fiber Infrastructure
• Data Center Networking
• High Availability Network Design

Required Qualifications

• Proven experience supporting enterprise-scale network environments.
• Strong hands-on networking experience with Cisco technologies.
• Excellent troubleshooting and root cause analysis skills.
• Ability to work independently with minimal supervision.
• Strong documentation, communication, and stakeholder management skills.
• Experience working within structured change management processes.
• Demonstrated ability to manage multiple priorities in operational environments.
• Experience working with vendors and cross-functional technical teams.

Preferred Qualifications

• Experience supporting manufacturing, industrial, or production environments.
• Experience in highly available 24×7 operations.
• Cisco certifications such as CCNA, CCNP, or equivalent.
• Experience with Cisco Nexus platforms.
• Experience with network automation, scripting, or AI-assisted operational tools.
• Exposure to enterprise security and network access control platforms.

What We're Looking For
The ideal candidate will demonstrate:

• Strong enterprise networking expertise.
• Excellent troubleshooting and analytical capabilities.
• A proactive ownership mindset.
• Strong attention to detail and documentation standards.
• Experience supporting mission-critical environments where reliability is essential.
• Adaptability and a continuous learning mindset.
• The potential to grow into senior technical and technical leadership responsibilities.

Work Environment

• Primary work location is Cambridge, Ontario.
• Weekly support rotation at a secondary site in Woodstock, Ontario (approximately one day per week).
• Primarily onsite role with limited pre-scheduled remote work opportunities.
• Company-provided laptop and mobile device.
• Participation in after-hours and weekend support rotations is required.
• Overtime may be required to support project work, maintenance windows, and operational incidents.

Submission Requirements
Please provide:

• Updated resume.
• Completed Skills Matrix.
• Current location.
• Availability/start date.
• Hourly rate expectations.
• Brief summary outlining fit for the position.