Senior Network Engineer

STACK IT Recruitment•London, ON

15h•CA$100,000 - CA$120,000•Onsite

About The Position

We’re looking for a technically skilled Senior Network Engineer to design, secure, and optimize the networks that keep modern businesses running smoothly. Our client is a trusted IT solutions partner, helping organizations navigate digital transformation with a focus on reliability, security, and performance. They’re seeking a hands-on engineer who can architect robust network environments, troubleshoot complex challenges, and ensure seamless connectivity across on-premise and cloud platforms. In this role, you’ll play a pivotal part in building resilient infrastructures that enable clients to scale confidently while maintaining high standards of uptime and security.

Requirements

5+ years of experience in network engineering, infrastructure engineering, or a similar technical role
Previous experience working within an MSP, managed services, or IT consulting environment
CCNA or CCNP certification required
Strong hands-on expertise with Cisco networking, Fortinet, and Cisco Meraki
Experience designing, implementing, and supporting enterprise network environments across multiple clients
Strong understanding of Azure networking, including VNets, VPN Gateway, NSGs, and hybrid connectivity
Proven ability to troubleshoot complex networking and infrastructure issues independently
Strong client-facing experience with the ability to act as a trusted technical advisor
Excellent communication skills, with the ability to explain complex technical concepts to both technical and non-technical audiences
Experience developing technical documentation, network designs, implementation procedures, and best practices
Strong organizational and prioritization skills, with the ability to manage multiple client environments and competing priorities
Self-directed and comfortable working in a remote-first, client-facing environment

Nice To Haves

Additional Cisco certifications
Fortinet certifications
Microsoft Azure networking certifications or hands-on experience designing Azure network architectures
Previous involvement in pre-sales engineering, solution architecture, or technical scoping
Experience mentoring junior engineers or providing technical leadership within an MSP environment

Responsibilities

Design, implement, and optimize enterprise network infrastructure across Fortinet, Cisco, and Cisco Meraki environments
Serve as a senior technical advisor to MSP clients, providing guidance on network architecture, security, and infrastructure strategy
Lead Azure networking initiatives, including VNets, VPN Gateway, NSGs, and hybrid connectivity
Plan and execute network implementations, migrations, upgrades, and optimization projects across multiple client environments
Troubleshoot complex networking and infrastructure issues and provide expert-level technical resolution
Work directly with clients to understand their technical requirements and translate them into practical, scalable solutions
Support pre-sales activities, including technical discovery, solution design, scoping, and client presentations
Develop network designs, implementation plans, technical documentation, and best-practice standards
Collaborate with internal engineering teams, vendors, leadership, and client stakeholders to deliver successful outcomes
Provide post-deployment support and ongoing technical guidance to ensure client environments remain secure, stable, and optimized
Participate in scheduled maintenance, upgrades, and after-hours implementation windows when required
Share knowledge and mentor other engineers while contributing to continuous improvement across the team