Northrop Grumman Aeronautics Systems has an opening for Principal Systems Administrator to join the team of qualified individuals in our Systems Engineering Organization. This role is located onsite in Jacksonville, FL.
Key Responsibilities:
- Perform as a Windows\VMware System Administrator for a classified government contract.
- Perform as a Linux\Redhat System Administrator for a classified government contract.
- 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.
- Analyze internal and external customer requirements and determine equipment and software requirements for solutions to problems by means of automated systems.
- Review recommendations and 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.
- Interact, meet, discuss, and troubleshoot issues with vendors; evaluate vendor products, services, and suggestions.
- Adhere to strict Information Systems security guidelines in all cases.
- 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 input to Computer Security.
- Report project status as required for all recurring and non-recurring efforts.
- Work under minimal direction and independently determine and develop approach to solutions.
Basic Qualifications:
- Bachelor’s degree and 6 years of experience, OR Master’s degree AND 4 years of experience, OR Associate's degree AND 8 years of experience, OR High school diploma or GED AND 10 years of experience in lieu of degree OR have relevant certifications such as CompTIA Security+ or other relevant Certifications AND 8 years of related professional or military Systems Administration experience in lieu of degree.
- Must have current CompTIA Security + CE, or ability to obtain within 6 months of hire date.
- Must have experience managing Windows Server OS and domain architecture.
- Must have the ability to support multiple networks, ensure necessary administration tasks are completed, and direct others as necessary.
- Must have the ability to lift equipment weighing up to 40 pounds.
- Must have the ability to work after hours and weekends as needed.
- Must have an Active US Government Top Secret Clearance with SCI (with a background investigation completed within the last 6 years or enrolled into Continuous Evaluation).
- Must have the ability to obtain and maintain Special Access Program (SAP) Clearance within a reasonable amount of time as determined by business needs.
Preferred Qualifications:
- Experience operating under and managing systems within NISPOM Chapter 8, DCID 6/3-ICD 503, RMF, STIG, JAFAN, or JSIG information system environments.
- Experience installing, configuring, and maintaining computer hardware in a networked environment.
- Server management experience.
- Currently valid Security+ CE, CASP, CISSP or similar security certification.
- Windows domain architecture experience.
- Understanding of basic networking, including subnets, routing, and VLANs; Cisco experience and/or certification.
- Windows AD, LDAP, VMWare, and knowledge of SAN storage systems.
- Linux Operating System experience and/or certification for current versions.
- VMWare experience with current version.
- Rudimentary Scripting experience.
- Experience with the creation and deployment of system images in an enterprise environment. - Experience with Certification & Accreditation process.
- DoD 8570 Certification in a primary OS (Windows, Linux, Cisco).
- Ability to communicate effectively at all levels of the organization, with internal and external customers, in written and oral format.
- Experience operating and managing UAS systems.
Skills Required
- Bachelor's degree and 6 years of experience, OR Master's degree and 4 years, OR Associate's degree and 8 years, OR High school/GED and 10 years, OR relevant certifications and 8 years of related professional or military Systems Administration experience in lieu of degree
- Current CompTIA Security+ CE, or ability to obtain within 6 months of hire
- Experience managing Windows Server OS and domain architecture
- Experience as Windows/VMware System Administrator for a classified government contract
- Experience as Linux/Red Hat System Administrator for a classified government contract
- Ability to support multiple networks, ensure administration tasks are completed, and direct others as necessary
- Active US Government Top Secret Clearance with SCI (background investigation within last 6 years or enrolled in Continuous Evaluation)
- Ability to obtain and maintain Special Access Program (SAP) Clearance within required timeframe
- Ability to lift equipment weighing up to 40 pounds
- Availability to work after hours and weekends as needed
Northrop Grumman Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Northrop Grumman and has not been reviewed or approved by Northrop Grumman.
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Retirement Support — 401(k) matching is considered strong, with additional defined-benefit coverage for certain cohorts and options like catch-up contributions. Retirement programs are repeatedly highlighted as a core strength of the total rewards.
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Leave & Time Off Breadth — PTO, company-paid holidays, and compressed work schedules (such as 9/80) provide meaningful time away and flexibility. These scheduling options are cited as a major quality-of-life benefit across many locations.
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Parental & Family Support — Paid parental leave alongside caregiver leave, adoption assistance, and back-up care supports a range of family needs. These programs have been expanded recently, signaling continued investment in family support.
Northrop Grumman Insights
What We Do
We are a close-knit community of big thinkers collaborating to keep the world safe. Our passion, creativity and expertise bring next-level technology solutions to life in autonomous systems, cyber, C4ISR, strike, space, and logistics and modernization for our customers around the globe. On the Northrop Grumman team, you’ll join our pursuit of excellence immersed in a dynamic culture of innovation and respect. Your unique perspective will help achieve our shared vision for the future of global security. Every step of the way, you'll be supported by world-class training, employee resource groups and a comprehensive benefits package that enables greater health and happiness for you and your family. Worldwide and across disciplines, we’re challenging what’s possible for technology to protect people and places from undersea to outer space and into cyberspace. And we see the impact of our performance every day. We are Northrop Grumman, and we work on what matters—now, you too can make a difference. Explore opportunities in engineering, IT, manufacturing, business management, cybersecurity and more with us. Northrop Grumman is committed to hiring and retaining a diverse workforce. We are proud to be an Equal Opportunity/Affirmative Action Employer.







