Network & Security Infrastructure Engineer

CACI Products Company•Columbia, MD

About The Position

Ncyber is seeking a Network & Security Infrastructure Engineer to architect, secure, and operate the networking infrastructure supporting mission-critical software platforms for the National Security Community. This role owns the design, security, automation, and reliability of enterprise networking across on-premises and hybrid-cloud environments. You will lead the evolution of our networking architecture while partnering closely with platform engineers and software teams to deliver resilient, secure infrastructure.

Requirements

Ability to obtain and maintain a security clearance
5+ years of enterprise network engineering experience
Strong routing and switching knowledge
Experience with enterprise firewalls
Experience with TCP/IP networking fundamentals
Experience with VPN technologies
Experience troubleshooting production networks
Experience with Linux systems
Excellent troubleshooting and documentation skills

Nice To Haves

Network architectures supporting sensitive operational environments
Operational security (OPSEC) and secure communications
Traffic engineering and policy-based routing
Proxy and relay infrastructure
VPN and overlay network design
Identity, attribution, and network isolation techniques
Zero Trust network architectures
Secure remote access technologies
Government or Intelligence Community operational environments
Fortinet / FortiOS
NVIDIA Cumulus Linux
Ubiquiti UniFi
WireGuard
OpenVPN
IPSEC
BGP
OSPF
Endpoint Detection & Response (e.g. Wazuh, Crowdstrike)
Incident Response
Vulnerability Management
Elasticsearch / Kibana
Docker
Ansible
AWS networking
Google Cloud networking

Responsibilities

Design enterprise network architectures supporting sensitive operational environments requiring resilient, controlled, and secure communications
Engineer highly available network infrastructure that enables traffic segmentation, policy enforcement, secure routing, and operational isolation across diverse environments
Design secure connectivity using VPN and Zero Trust technologies
Operate and improve Fortinet security infrastructure
Design and troubleshoot complex routing environments
Build network automation solutions
Support hybrid-cloud and specialized networking capabilities that enhance operational security, traffic management, and attribution control for customer missions
Implement monitoring and observability across networking infrastructure
Perform vulnerability assessments and infrastructure hardening
Participate in incident response and root cause analysis
Produce architecture documentation and operational standards
Mentor junior engineers