Sr. Principal Cyber Systems Engineer

Job Overview

Join Northrop Grumman on our continued mission to push the boundaries of possible across land, sea, air, space, and cyberspace. We are looking for a Senior Principal Cyber Systems Engineer to join our cross‑functional Northern Virginia Engineering Discipline Team.

This position will be located at a Mission Systems Sector site in Northern Virginia.

Relocation assistance may be available.

Clearance required:

yes. Clearance type:
Polygraph. U.S. citizenship is required for all positions with a government clearance and certain other restricted positions.

Travel required:

yes, 10% of the time.

• Provide engineering and administrative support onsite for a team of system engineers, often deviating from industry standard procedures to meet mission needs while maintaining system security standards.
• Develop, implement, and support solutions for systems that support mission critical and mission essential infrastructure.
• Analyze existing systems & networks and make proactive recommendations to drive change and create efficiencies.
• Support all aspects of the integration of new or existing network systems.
• Collaborate with system engineers to create and deploy solutions in support of customer mission needs.
• Maintain, evaluate, test, and apply STIG configurations for network devices.
• Respond to security findings and break‑fix events across the infrastructure.
• Create and maintain system network documentation including Standard Operating Procedures and Visio diagrams.

• Active TS/SCI with Polygraph required prior to start.
• Bachelor's degree with 7 years relevant experience, Master’s degree with 5 years relevant experience, PhD with 3 years relevant experience, or 11 years of relevant experience in lieu of a degree.
• Experience leading the design and maintenance of LAN & WAN based networks.
• Ability to delegate effectively to team members; organize, prioritize, and self‑manage multiple project tasks.
• Strong analytical skills to identify, characterize, isolate issues, and troubleshoot to present options for correction.
• Excellent written and verbal communication skills.
• Ability to articulate and document defects in a timely manner, and collaborate to prioritize issues until resolution.
• Extensive experience working in Linux environments and capable of acting as a systems administrator.
• Expertise with IPv4 network design, IP subnetting, and protocols.
• Expertise with network device configuration and troubleshooting.
• Strong familiarity with network management protocols such as SNMP, SSH, syslog.
• Ability to perform both as a Network Architect and a System Administrator.
• Strong experience managing teams of technically diverse individuals.

• Experience with FreeIPA, GestioIP, Puppet, Splunk, Bitwarden, Vault warden.
• Knowledge of NAGIOS, CLAM-AV, DHCP, DNS, LDAP, Intermapper, Whats Up Gold .
• Experience with server turn‑up, configuration, and maintenance.
• Experience with VM setup and configuration.
• Expert knowledge of OWT, key to project.
• Network Engineering experience/knowledge.

Primary Level Salary Range: $ - $. Base salary offers consider scope of responsibilities, candidate’s experience, education, skills, and market conditions. Additional compensation may include overtime, shift differential, discretionary bonuses, and long‑term incentives for certain positions. Benefits include health insurance, life and disability insurance, savings plan, company‑paid holidays, and paid time off for vacation and personal business.

Northrop Grumman is an Equal Opportunity Employer, making decisions without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class. For our complete EEO and pay transparency statement, visit  U.S. citizenship is required for all positions with a government clearance and certain other restricted positions.