Lead Network Security Engineer & Network Security Engineer

We are Hiring Network Security Engineers and Lead Network Security Engineers for our best enterprise banking clients in Toronto. Please send your most updated resume to angela.marrelli@insightglobal.com if you are interested 🙂

Position: Lead Network Security Engineer & Network Security Engineer
Type: 7-10 month contract + extensions
Location: 3 days a week Toronto on site
Rate: 45-75/hr depending on years of experience

Requirements:
* 5–12+ years in network engineering/security with at least 3–5 years in a senior or lead role.
* Experience designing secure multisite or global enterprise networks, similar with largescale secure deployments.

Core Competencies (Must Haves)
* Data center network architecture: spineleaf, L2/L3 fabric design, overlay/underlay separation, multitenant segmentation, ECMP, MLAG/vPC.
* Segmentation at scale: VLANs, VRFs, micro segmentation (NSXT), zone based policy models, zerotrust enforcement across east–west and north–south flows.
* IPv4/IPv6 addressing: CIDR planning, supernetting/subnetting, hierarchical IPAM, nonoverlapping multisite schemas.
* Network security engineering: firewall policy design (allowlists), IPS/IDS, TLS inspection, NAT, VPNs, secure B2B/transit demarcations.
* Migration leadership: wave planning, cutover runbooks, rollback paths, pre/postvalidation across networking, security, and application tiers.