Global Network Security Engineer

Senior Network Security EngineerMission:Responsibilities: Operate and support network security infrastructure, including firewalls, web proxies, VPN gateways, and load balancers. Lead and deliver network security projects. Provide on-call support. Profile:Requirements: CCNP or CCIE certification (Security or Enterprise). Palo Alto, Fortinet, or...

Celestica seeks a Lead Network & Security Architect to own the global RDL reference architecture for the Hardware Platform Solutions group. You will deploy, manage, and scale a fully isolated air-gapped lab across multiple global hubs, enforcing strict security constraints. You will implement private SD-WAN overlays, firewalling, VLAN segmentation, and...

Celestica Inc. is seeking a highly experienced Lead Network & Security Architect to own the RDL reference architecture for the Hardware Platform Solutions group.The role involves deploying and maintaining an air-gapped network environment across multiple global hubs, with strict isolation from standard corporate IT networks. You will manage secure access...

Design global networks with Palo Alto, Cisco, and Zscaler expertise at Semtech. Work hybrid from Colorado Springs, Burlington, Ottawa, or Richmond. As a Senior Network Engineer, you will support Semtech’s infrastructure across more than 30 sites worldwide. The role combines network architecture, deployment, security, and operational improvement across...

Protect critical IP infrastructure remotely from South Africa using firewalls, intrusion prevention, VPNs, and access controls. Apply advanced cybersecurity expertise against evolving threats.This senior specialist role supports a major telecommunications provider's network security posture. You will design, implement, and maintain robust solutions across...

Rust or Go systems expertise drives this senior engineering role at Menlo Security. Optimize secure, high-concurrency network services for people and agents.As a senior engineer, you will own features for the ingress proxy service, the primary product path for most users. Extend controls to agent traffic as AI adoption grows. Apply asynchronous programming,...

Lead Zero Trust architecture and Palo Alto firewall engineering at McKesson in a hybrid or remote work arrangement based on business needs. Build secure infrastructure across cloud, data center, and hybrid environments.This senior network security engineering role guides enterprise architecture, implementation, and governance. You will apply segmentation,...

Apply networking and security expertise as a Commercial Solutions Engineer with Tailscale, working remotely from Canada alongside Sales.This experienced customer-facing role partners with Account Executives to drive new Commercial business. You will co-own pipeline, lead technical discovery, design architectures, and advise customers through complex...

Xsolla, a global commerce company for game developers, seeks a senior Network and Infrastructure Engineer to design, implement, and operate geo-distributed infrastructure and provide support to development teams.You will configure network gear, maintain VMware-based virtualization, manage Linux servers, monitor services, automate tasks, and collaborate with...