Network Engineer Senior Principal

General Dynamics Information Technology • Germantown, MD

1d • Onsite

About The Position

GDIT is seeking an experienced Network Engineer to join our team supporting mission-critical operations for our customer. In this role, you will design, implement, maintain, and troubleshoot complex network systems to ensure optimal performance, security, reliability, and scalability in a large-scale environment. This is an exciting opportunity to apply your expertise in network infrastructure and security best practices to advance enterprise IT capabilities for critical government programs.

Requirements

• Bachelor's degree in Information Technology, Computer Science, or related field.
• 10+ years of professional experience in network engineering, infrastructure design, and systems troubleshooting.
• DOE Q or TS clearance required.
• Deep knowledge of routers, switches, firewalls, wireless technologies, and network design principles.
• Expertise in protocols like TCP/IP, VLAN, VPN, OSPF, and BGP.
• Understanding of network security practices, including system hardening and compliance with organizational standards.
• US Citizenship required.

Nice To Haves

• Previous experience working with the Department of Energy or similar federal agencies.
• Familiarity with Microsoft DNS and Unix BIND systems.
• Experience with DISA STIGs and other security frameworks required for federal compliance.

Responsibilities

• Design, build, and implement network systems for LAN, MAN, and WAN environments, ensuring they meet performance and scalability requirements.
• Monitor and diagnose network issues, performing root-cause analysis to address connectivity problems and optimize operations.
• Analyze network traffic patterns and provide capacity planning solutions to support infrastructure growth and performance improvements.
• Interface with vendor support services to ensure timely resolution of issues and proper escalation during outages or performance degradations.
• Perform system-level design and configuration, determining hardware, operating systems, and platform specifications to meet operational requirements.
• Evaluate and test new and existing network products and technologies, ensuring they align with organizational standards and quality protocols.
• Provide technical assistance and oversight across all network operations, including LAN/MAN/WAN administration, security protocols, and systems integration.
• Contribute to policy discussions by providing insights on standards, technical constraints, and budget considerations impacting network operations.
• Conduct routine testing and analysis of network hardware, communications systems, and connectivity components.
• Identify opportunities for network optimization and implement improvements to maximize system performance and security.
• Create and maintain detailed documentation for network configurations, processes, and procedures to support operational consistency.

Benefits

• Competitive compensation
• Health and wellness packages
• 401(k) company match
• Paid time off
• Full flex work weeks where possible
• Variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave.
• Short and long-term disability benefits
• Life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance

What This Job Offers

• Job Type: Full-time
• Career Level: Senior