Senior Network Security Engineer

Senior Network Security Engineer

Duration: 6+ months contract to hire

Location: 100% remote within EST time zone

Position Summary

We are seeking a Senior Network Engineer to design, implement, and support a secure, high-performance enterprise network infrastructure. This role requires deep expertise in network architecture, routing and switching, and advanced security platforms — with particular emphasis on Illumio (micro-segmentation), Imperva (WAF/data security), and Check Point (next-generation firewalls). The ideal candidate brings strong troubleshooting skills, hands-on production experience, and the ability to lead complex infrastructure and security initiatives.

Responsibilities

• Design, configure, and manage complex network architectures across LAN, WAN, SD-WAN, VPN, and Azure cloud environments.
• Lead the design, implementation, and ongoing management of Check Point firewalls, Illumio micro-segmentation policies, and Imperva WAF and data security solutions to protect enterprise applications and infrastructure.
• Partner with the Security Operations Center (SOC) and IT teams to integrate network security controls into all infrastructure initiatives.
• Own network security lifecycle management, including rule reviews, segmentation strategy updates, patching, upgrades, and continuous improvement.

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• Lead network infrastructure projects from planning and design through deployment, documentation, and operational transition.
• Evaluate and recommend new networking and security technologies to enhance performance, scalability, and protection against evolving cyber threats.
• Manage hardware and software upgrades, configuration changes, and system optimizations across routing, switching, and security platforms.
• Maintain detailed documentation including network diagrams, segmentation policies, firewall rule sets, and compliance artifacts.
• Ensure compliance with industry standards, regulatory requirements, and internal governance policies.

Qualifications

• 5+ years of experience in network engineering within enterprise environments.
• Strong expertise in core networking protocols including TCP/IP, BGP, OSPF, MPLS, and SD-WAN.
• Experience configuring and managing routers, switches, firewalls, and load balancers.
• Direct experience administering and supporting:

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• Illumio (Zero Trust micro-segmentation)
• Imperva (WAF and data security platforms)
• Check Point Firewalls (policy management, threat prevention, VPN)
• Experience with Azure networking and cloud security controls.
• In-depth understanding of network security technologies including IDS/IPS, VPN, access control, and identity integration.
• Experience with monitoring and policy management tools such as SolarWinds and Tufin.
• Relevant certifications such as CCNP, CCIE, CISSP, or equivalent preferred.
• Strong analytical, troubleshooting, and leadership skills.
• Ability to operate independently while collaborating across technical and security teams in a fast-paced environment.

This role is ideal for a senior-level engineer who combines deep routing and switching expertise with advanced security platform ownership — particularly across Illumio, Imperva, and Check Point environments.