Senior Classified Networks Engineer (TS/SCI)

Northrop Grumman; Linthicum (MD); On-site; USD 99,000 - 148,000; Full time

Benefits offered by this job

Flexible work arrangements

Learning opportunities

Health insurance

9/80 work schedule

401k matching

Job summary

Northrop Grumman is seeking a Principal Networks Communications administrator to support lifecycle activities for a classified network. The role requires on-site work at our Baltimore, MD location and a current Top Secret/SCI clearance with a polygraph.

You will design, install, and maintain network hardware, including Cisco routers, switches, and firewalls, while ensuring documentation and long-range planning for secure systems.

Qualifications

• Master's or Bachelor's degree with IT experience or equivalent years.
• Experience maintaining LAN/WAN networks and Cisco hardware.
• IAT II or higher certification required.
• Current TS clearance with SCI access and polygraph.
• Ability to obtain access to Special Programs.

Responsibilities

• Maintain classified network operations across the environment.
• Plan, design, configure and install network hardware per requirements.
• Maintain expertise in routers, switches, firewalls, gateways, etc.
• Propose cost-saving solutions while meeting communications needs.
• Create and maintain network documentation and instructions.
• Provide third-level support and network troubleshooting.
• Install/configure Cisco routers, switches, and firewalls.
• Implement LAN technologies: VLANs, Trunking, Spanning-Tree, Port Security.
• Design and implement enterprise networks; familiarity with MS Office tools.
• Lift equipment up to 40 pounds; after-hours/weekend work as needed.

Skills

LAN/WAN networking

Cisco hardware (routers, switches, FWs

IAT Level II certification

Top Secret clearance

SCI access

Counter Intelligence Polygraph

Special Programs eligibility

Network analysis

Cisco CCNA

Network+ certificate

Network analysis tools (Wireshark, etc

TACLANES configuration

Leadership experience

Education

Master's Degree in IT or related field

Bachelor's degree in IT or related field

Associate degree

High School Diploma/GED

Tools

Visio

Project

PowerPoint

Excel

Job description

Northrop Grumman is seeking a Principal Networks Communications administrator to support lifecycle activities for a classified network. The role requires on-site work at our Baltimore, MD location and a current Top Secret/SCI clearance with a polygraph.

You will design, install, and maintain network hardware, including Cisco routers, switches, and firewalls, while ensuring documentation and long-range planning for secure systems.