Full-Time

Principal/Sr. Principal Cross Domain Solutions Systems Administrator

Aht

Updated on 1/29/2025

Northrop Grumman

Northrop Grumman

10,001+ employees

Aerospace and defense technology solutions provider

Cybersecurity
Aerospace
Defense

Compensation Overview

$84.2k - $156.6kAnnually

+ Overtime + Shift Differential + Discretionary Bonus

Senior, Expert

Orlando, FL, USA + 3 more

More locations: Fairfax, VA, USA | McLean, VA, USA | Offutt AFB, NE, USA

Relocation assistance may be available.

US Citizenship, US Top Secret Clearance Required

Category
Cybersecurity
System Administration
IT & Security
Required Skills
Linux/Unix

You match the following Northrop Grumman's candidate preferences

Employers are more likely to interview you if you match these preferences:

Degree
Experience
Requirements
  • Bachelor’s degree in Computer Information Systems, or related discipline with 5 years of experience / 3 years with Masters (for Level 3)
  • Bachelor’s degree in Computer Information Systems, or related discipline with 6 years of experience / 6 years with Masters (for Level 4)
  • Ability to obtain and maintain Active DoD Secret Clearance
  • Current DoD 8570 Certification IAT Level II or higher (Security+, CISSP, etc.) or ability to obtain one within 6 months
  • DoD 8570 Certification in a primary OS (preferably Linux)
  • Demonstrated experience with Red Hat Enterprise Linux (RHEL) server & workstation administration in a classified environment
  • Solid understanding of remediating security vulnerabilities; Experience hardening Linux systems in accordance with RMF and STIGs
  • Demonstrated experience performing administration on VMware technologies (or related)
  • Demonstrated experience maintain smooth operation of multi-user computer systems, including coordination with network, software, and system engineers, PC desktop technicians, project managers, end users, and customer and IT management
  • Demonstrated experience communicating effectively at all levels of the organization, with internal or external customers, in written and oral formats.
Responsibilities
  • Maintain smooth operation of multi-user computer systems, including coordination with network administrators
  • Interact with users and evaluate vendor products
  • Make recommendations to purchase hardware and software, coordinate installation and provide backup recovery
  • Develop and monitor policies and standards for allocation related to the use of computing resources
  • Set up administrator and service accounts, maintain system documentation, tune system performance, install system wide software and allocate mass storage space.
Desired Qualifications
  • Active DoD Secret Clearance
  • Experience operating under and managing systems within NISPOM Chapter 8, DCID 6/3-ICD 503, RMF, STIG, JAFAN, or JSIG information system environments
  • Experience configuring System Build Automation using Ansible, Red Hat Ansible Tower, Red Hat Automation Controller
  • Analyze internal or external customer requirements and determine equipment and software requirements for solutions to problems by means of automated systems
  • Recommend and implement system enhancements that will improve the performance and reliability of the system including installing, upgrading/patching, monitoring, problem resolution, and configuration management
  • Provide backup and recovery services; manage file systems and disk space; manage virus protection on a routine basis
  • Create and maintain user and computer accounts and modify file permissions and security access lists
  • Test new releases of products to ensure compatibility and minimize user impact
  • Develop and document technical processes and procedures as needed
  • Make recommendations to purchase hardware, software, and system components
  • Interact, meet, discuss, and troubleshoot issues with vendors; evaluate vendor products, services, and suggestions
  • Maintain security audit and logging information on all classified networked and standalone computers as directed by the Information Systems Security Manager (ISSM)
  • Prepare security documentation for Cyber Security team
  • Report project status as required for all recurring and non-recurring efforts
  • Work under minimal direction and independently determine and develop an approach to solution
  • Experience with NAS storage solutions
  • Solid understanding of Enterprise-level storage concepts to include all commonly used RAID-levels
  • Identity Management (Single Sign-On) experience
  • VMware/Vsphere, Trellix (McAfree) antivirus and ESXi (6.x or higher) configuration and management experience
  • Experience with host-based firewall implementations and configuration (Redhat “iptables”)

Northrop Grumman provides advanced aerospace and defense technology solutions, focusing on areas such as autonomous systems, cybersecurity, and space operations. The company develops and integrates complex systems that support government and commercial clients, particularly the U.S. Department of Defense and international allies. Its products and services include systems for command and control, intelligence, surveillance, and reconnaissance (C4ISR), as well as logistics and modernization solutions. Northrop Grumman differentiates itself from competitors through its extensive research and development efforts and a strong track record in securing long-term contracts, which provide a stable revenue stream. The company's goal is to maintain its leadership position in the aerospace and defense market by continuously innovating and delivering comprehensive solutions that meet the evolving needs of its clients.

Company Stage

IPO

Total Funding

$192.2M

Headquarters

Falls Church, Virginia

Founded

1939

Simplify Jobs

Simplify's Take

What believers are saying

  • Increased demand for autonomous systems boosts Northrop Grumman's innovation in unmanned vehicles.
  • The U.S. DoD's budget rise for missile defense aligns with Northrop's interceptor production.
  • Digital transformation in defense is supported by Northrop's adoption of Planisware Enterprise.

What critics are saying

  • International competitors like BAE Systems are expanding in the U.S. defense market.
  • Supply chain issues may delay the B-21 Raider program, affecting contract deadlines.
  • Government demand for enhanced cybersecurity could raise operational costs for Northrop Grumman.

What makes Northrop Grumman unique

  • Northrop Grumman excels in autonomous systems, like the Manta-Ray drone for the U.S. Navy.
  • The company integrates AI in C4ISR systems, enhancing real-time data processing capabilities.
  • Northrop Grumman's Mission Robotic Vehicle targets the growing space-based defense systems market.

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Benefits

Health Insurance

Life Insurance

Disability Insurance

Paid Vacation

Paid Holidays

Relocation Assistance

Performance Bonus