Senior Network Engineer: Critical Infrastructure & Security

General Dynamics - IT; Germantown (MD); On-site; USD 120,000 - 160,000; Full time

Job summary

General Dynamics - IT is seeking a Senior Network Engineer to design, implement, maintain, and troubleshoot large-scale Cisco network systems in support of the Department of Energy's NNSA. The role focuses on performance, security, reliability, and scalability across LAN, MAN, and WAN environments.

Responsibilities include design, monitoring, capacity planning, vendor coordination, and policy input. DOE Q/TS clearance is required. Onsite work locations include Albuquerque, NM or Germantown, MD.

Qualifications

• Bachelor's degree or equivalent years of experience.
• 12+ years of professional experience in network engineering, infrastructure design, and circuit troubleshooting using routing & switching protocols.
• DOE Q or TS clearance required.

Responsibilities

• Design, build, and implement network systems for LAN, MAN, and WAN environments.
• Monitor and diagnose network issues, performing root-cause analysis.
• Analyze network traffic patterns and provide capacity planning solutions.
• Interface with vendor support services for timely resolutions.
• Perform system-level design and configuration to meet requirements.
• Evaluate and test network products and technologies against standards.
• Provide technical assistance and oversight across network operations.
• Contribute to policy discussions on standards, constraints, and budgets.
• Conduct routine testing and optimization of network hardware and connectivity components.
• Identify opportunities for network optimization and security improvements.
• Create and maintain detailed configuration and operation documentation.

Skills

Cisco routing & switching

Network design principles

Security best practices

Troubleshooting & monitoring

Vendor coordination

Education

Bachelor's degree

Cisco certification (preferred)

Tools

Cisco equipment

Juniper

Palo Alto

Job description

General Dynamics - IT is seeking a Senior Network Engineer to design, implement, maintain, and troubleshoot large-scale Cisco network systems in support of the Department of Energy's NNSA. The role focuses on performance, security, reliability, and scalability across LAN, MAN, and WAN environments.

Responsibilities include design, monitoring, capacity planning, vendor coordination, and policy input. DOE Q/TS clearance is required. Onsite work locations include Albuquerque, NM or Germantown, MD.