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Northrop Grumman

Network Administrator 3/4 - TS/SCI

Dulles, United States

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Job details

Apply by: May 8, 2027
Posting language: English
Posted: Nov 9, 2026

Original job description

RELOCATION ASSISTANCE: No relocation assistance available

CLEARANCE REQUIRED FOR START: Yes

CLEARANCE TYPE: SCI

TRAVEL: Yes, 25% of the Time

Description

At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon. We look for people who have bold new ideas, courage and a pioneering spirit to join forces to invent the future, and have fun along the way. Our culture thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work - and we have an insatiable drive to do what others think is impossible. Our employees are not only part of history, they're making history.

At the heart of Defining Possible is our commitment to missions. In rapidly changing global security environments, Northrop Grumman brings informed insights and secure technological solutions to enable strategic objectives. We’re looking for innovators who can help us keep building on our wide portfolio of secure, affordable, integrated, and multi-domain systems and technologies that fuel those missions. By joining in our shared mission, we will support yours by expanding your personal network and developing skills, whether you are new to the field or an industry thought leader. At Northrop Grumman, you will have the resources, support, and team to do some of the best work of your career.

The Northrop Grumman CIDO Classified Solutions team is seeking a Network Administrator / Engineer (at level 3 or level 4) to join our team supporting complex, multi-site networks that enable critical space missions. This position works out of our Dulles, VA location with extensive business travel (up to 25%) as required.

In this role, you will design, implement, secure, and sustain network infrastructure for launch sites, factory operations, integration and test facilities, and program-specific environments across both unclassified and classified domains.

You will work with switches, routers, firewalls, TACLANE encryptors, and network management tools to ensure highly available, compliant, and well-documented networks that directly support our Space Sector programs.

Responsibilities

The selected candidate will:

Network Architecture, Deployment & Operations

Architect and implement network solutions for Space Sector programs, including launch sites, factory networks, ISP connectivity, and secure reach-back to classified environments.
Build and deploy launch site networks; support factory and mission support networks (e.g., SMF, TSCIF, product movement).
Configure, maintain, and troubleshoot network devices across multiple sites (e.g., ISP, backbone, test racks).
Specify, evaluate, and support procurement of network equipment (switches, routers, firewalls, encryptors, TACLANEs) in coordination with Supply Chain and program teams.
Perform site surveys and support facilities with space planning and buildout for network infrastructure.
Support office moves, physical cable installation, and ISP circuit ordering, installation, and troubleshooting.

Cybersecurity, STIG & Compliance

Perform quarterly STIG checks and updates on network devices in alignment with Space Systems cyber and program security requirements.
Implement and/or support:
NTP and routing key management processes.
ACLs controlling border traffic, router transit traffic, and device access.
DoS protection and QoS policies.
Port-level authentication (MAB/802.1X) and separate out-of-band (OOB) management networks.
Monitor vulnerability notifications, analyze impact to Space Sector network infrastructure, and support remediation activities.
Plan and execute IOS/firmware upgrades to address bugs and critical vulnerabilities in coordination with IA/Cyber.
Support RMF and authorization packages; participate in internal and external assessments, inspections, and audits.

Automation, Management & Documentation

Develop, test, and deploy network automation to increase consistency and reduce manual effort across Space Systems programs.
Implement and maintain network management solutions (e.g., SolarWinds: configuration backups, log archiving, configuration scripts).
Maintain baseline configurations and configuration control for all Space Sector networks and environments.
Track network equipment inventory and support asset management processes.
Create, update, and maintain network documentation (diagrams, configuration standards, processes) for both unclassified and classified networks.

Collaboration & Program Support

Participate in program and IPT meetings to support requirements definition, design trades, and risk mitigation related to network capabilities for Space Sector missions.
Partner with IA/Cyber, Systems Engineering, Program Management, Facilities, and Operations to deliver integrated solutions that meet cost, schedule, and technical objectives.
Provide troubleshooting, hot fixes, and responsive support for program network issues in fast-paced launch and mission environments.
Research alternate technologies and approaches to meet evolving mission and business needs within Space Systems.

Note: Due to the classified nature of the work being performed, this position does not offer any virtual or telecommute working options. Applicants are encouraged to apply, only if they are willing to work on-site.

Basic Qualifications for level 3 (Principal level):

Master's Degree with 3 years of relevant technical experience; OR a Bachelor's Degree with 5 years of relevant technical experience; OR an Associate's Degree with 7 years of relevant technical experience is required; 9 years of relevant technical experience can be considered in lieu of a formal degree
Hands-on experience configuring and supporting Layer 2/Layer 3 networks (VLANs, trunking, routing protocols such as OSPF/BGP/EIGRP)
Experience with firewall configuration and rule/policy management
Familiarity with network security principles, DoD STIGs, or similar hardening practices
Experience with network monitoring/management tools (e.g., SolarWinds or equivalent)
Candidates must meet the U.S. Government 8140 requirements (8570 equivalent) for a Linux/Windows Systems Administrator – IAT level II certification or higher (Examples: Security+ CE, CND, CCNA Security, SSCP, GICSP, GSEC, CCISO)
Candidates must have a current U.S.Government Top Secret level security clearance to include SCI access level eligibility to be considered
Must have the ability to obtain access to Special Programs (SAP/SAR) as a condition of continued employment

Basic Qualifications for level 4 (Sr Principal level):

Master's Degree with 6 years of relevant technical experience; OR a Bachelor's Degree with 8 years of relevant technical experience; OR an Associate's Degree with 10 years of relevant technical experience is required; 12 total years of relevant technical experience can be considered in lieu of a formal degree
Demonstrated technical leadership in network design, implementation, or operations for complex, multi-site or classified environments, preferably supporting Space Sector or other mission-critical programs.
Experience leading troubleshooting efforts and mentoring junior engineers or technicians
Hands-on experience configuring and supporting Layer 2/Layer 3 networks (VLANs, trunking, routing protocols such as OSPF/BGP/EIGRP)
Experience with firewall configuration and rule/policy management
Familiarity with network security principles, DoD STIGs, or similar hardening practices
Experience with network monitoring/management tools (e.g., SolarWinds or equivalent)
Candidates must meet the U.S. Government 8140 requirements (8570 equivalent) for a Linux/Windows Systems Administrator – IAT level II certification or higher (Examples: Security+ CE, CND, CCNA Security, SSCP, GICSP, GSEC, CCISO)
Candidates must have a current U.S.Government Top Secret level security clearance to include SCI access level eligibility to be considered
Must have the ability to obtain access to Special Programs (SAP/SAR) as a condition of continued employment

Preferred Qualifications:

Active Counter Intelligence Polygraph
Master's Degree in Network Engineering with 7 years of technical experience would be ideal
Experience operating in classified network environments and supporting RMF, ATO, and cyber assessment activities for space or launch-related programs
Hands-on experience with:
TACLANE or similar encryptors and key management
Port-level authentication (802.1X, MAB) and OOB management networks
ISP circuit planning, implementation, and troubleshooting
Experience with network automation (e.g., Python, Ansible, or similar tools)
Industry certifications such as CCNA/CCNP, JNCIA/JNCIS or equivalent.
Experience working within Northrop Grumman processes and tools (e.g., ServiceNow, engineering change/configuration control, and Space Systems engineering frameworks)
Ability to create and maintain detailed network documentation

We offer flexible work arrangements, phenomenal learning opportunities, exposure to a wide variety of projects and customers, and a very friendly team environment. At Northrop Grumman, we are on the cutting edge of innovation. Our diverse portfolio of programs means there are endless paths to cultivate your career. We also offer exceptional benefits/healthcare, a 9/80 work schedule, and a great 401k matching program. Come join us!

Primary Level Salary Range: $103,600.00 - $155,400.00

Secondary Level Salary Range: $129,300.00 - $193,900.00

The above salary range represents a general guideline; however, Northrop Grumman considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidate's experience, education, skills and current market conditions.

Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay. Annual bonuses are designed to reward individual contributions as well as allow employees to share in company results. Employees in Vice President or Director positions may be eligible for Long Term Incentives. In addition, Northrop Grumman provides a variety of benefits including health insurance coverage, life and disability insurance, savings plan, Company paid holidays and paid time off (PTO) for vacation and/or personal business.

The application period for the job is estimated to be 20 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates.

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, please visit http://www.northropgrumman.com/EEO. U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.

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More about this job

Skills

Network administration
Troubleshoot
Procurement
Supply chain management
Troubleshooting
Cybersecurity
Regulatory compliance
Security regulations
ACLS
Firmware
Inspection
Documentation
SolarWinds
Collaboration
Program management
Research
OSPF
BGP
EIGRP
Linux
Microsoft Windows
Security+
CCNA
SAP
Leadership
Coaching
Python
Ansible
CCNP
ServiceNow

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