Counter Intelligence Polygraph jobs

Principal Network Administrator - Polygraph

Northrop Grumman · Posted Nov 3, 2026

Linthicum, Maryland, United States
On-site
Full-time · Principal
$99K–$148K per year
3+ years

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The Northrop Grumman Classified Solutions team is seeking a Principal Networks Communications administrator to support information system lifecycle activities.

Compensation

Primary Level Salary Range: $98,900.00 - $148,300.00

Responsibilities

Maintains smooth operation of classified network.
Plans, designs, configures, and installs network hardware in support of customer requirements.
Maintains technical expertise in all areas of networks and computer hardware and software interconnection and interfacing, such as routers, multiplexers, firewalls, switches, gateways, etc.
Proposes solutions to management to ensure all communications requirements based on future needs and current usage, configuring such solutions to optimize cost savings.
Creates and ensures that appropriate network documentation exists, including operational instructions.

Requirements

Master's Degree
Bachelor’s degree
Associate’s degree
High School Diploma/GED
Nice to have: Network+ certificate

Skills

LAN/WAN based networks routing protocols Cisco hardware (routers, switches, firewalls)

Field Svc Eng Sr

Field Svc Eng Sr

Responsibilities

Requirements

Skills

Principal Network Administrator - Polygraph

Compensation

Responsibilities

Requirements

Skills

Benefits