Network Engineer

CGI•Huntsville, AL

1d•Onsite

About The Position

CGI Federal is seeking a Network Engineer to support the design, configuration, monitoring, and sustainment of network infrastructure essential to a Next Generation Command and Control (NGC2) program for the US Army. This role ensures reliable, secure, and high-performance network operations across complex Defense environments. The Network Engineer installs and configures network devices, conducts system upgrades and maintenance, monitors performance metrics, and resolves network issues in coordination with IT teams and vendors. This position plays a critical role in maintaining the network backbone that enables mission-critical systems to operate securely and efficiently.

Requirements

BA/BS degree from an accredited college or university in Computer Science, Information Systems, or related computer field
4+ years of experience as a network engineer in a Defense environment
Hands-on experience configuring routers, switches, firewalls, VPN, and load-balancing technologies
Experience supporting secure and complex enterprise or tactical network architectures
Strong proficiency in network protocols, routing, switching, and security configurations
Experience with network monitoring tools, diagnostic utilities, and performance measurement
Familiarity with configuration/change management processes and documentation standards
Ability to apply patches, updates, and security controls to networked systems
Strong analytical and troubleshooting skills for complex network issues
Ability to work collaboratively with IT teams, vendors, and system administrators
Effective communication skills and capability to document technical processes clearly

Nice To Haves

Experience supporting tactical networks, C5ISR systems, or Defense fielded systems
Knowledge of encryption devices, secure tunneling protocols, or cross-domain solutions
Experience using enterprise monitoring tools (SolarWinds, Splunk, LogicMonitor, etc.)
Familiarity with virtual networking, hypervisors, or cloud-connected Defense networks
Cisco certifications (CCNA, CCNP)
DoD 8570/8140 certifications (Security+, Network+, CySA+, etc.)
Network security certifications (e.g., CCNA Security)
Ability to create or update network diagrams and architectural documentation
Experience supporting cybersecurity inspections or RMF (Risk Management Framework) requirements
Knowledge of automation tools or scripting for network tasks (Python, Ansible)

Responsibilities

Monitor network performance to ensure availability, reliability, and optimal throughput
Track system resource utilization, performance trends, and capacity needs
Provide proactive recommendations for network enhancements or scaling
Configure and install network devices and services (routers, switches, firewalls, VPN, load balancers, QoS)
Deploy and integrate new hardware and network infrastructure components
Support implementation of secure network architectures and segmentation strategies
Perform routine network maintenance, including patches, service packs, hot fixes, and firmware upgrades
Apply security configurations in accordance with Defense and organizational requirements
Verify compatibility and functionality after upgrades or changes
Adhere to established configuration management policies for network changes
Ensure all network updates are documented, approved, and communicated
Participate in change reviews, network planning sessions, and architecture discussions
Diagnose and resolve network issues, outages, and performance bottlenecks
Liaise with hardware/software vendors, service providers, and internal IT teams for issue resolution
Conduct root-cause analysis and implement corrective actions
Maintain accurate network diagrams, device inventories, and configuration records
Document procedures, installation steps, and maintenance actions
Support audit requirements, cybersecurity inspections, and compliance activities