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 Linux Systems Administrator to support information system lifecycle activities. The selected candidate will be required to work on-site, full-time at our Melbourne, FL location.
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.
The responsibilities of this role include, but are not limited to, the following:
Perform as a Computer Systems Analyst - Linux in support of classified government contracts.
Exhibits good communication skills, an energetic approach, and patience with customers.
Establishes and maintains high levels of customer satisfaction according to defined objectives while adhering to established policies.
Report task statuses as required for all recurring and non-recurring efforts in written and oral format.
Begin supporting working across disciplines to isolate issues between software, firmware, and hardware, between software and operating systems, between networks and applications, and between one-time events and recurrent systematic problems.
Awareness of operations surrounding multi-user computer systems, including collaboration with network, software, and system engineers, PC desktop technicians.
Able to support multiple networks, under limited direction ensuring necessary administration tasks are completed following all security policies and procedures.
Assist with installing, upgrading/patching, troubleshooting linux systems, in support of configuration management.
Provide assistance in maintaining backup and recovery services, manage linux file systems and disk space, and manage virus protection on a routine basis.
Assist with testing of new product releases to ensure compatibility to minimize user impact.
Follow documented technical processes and procedures as assigned.
Assist with troubleshooting issues with vendors; evaluate vendor products, services, and suggestions.
Adhere to strict Information Systems security guidelines in all cases.
Assist in maintaining security audit and logging information on all classified networked and standalone computers as directed by the Information Systems Security Manager (ISSM).
Prepare documentation for input to Cybersecurity.
Support environments by means of ticketing requirements systems (ServiceNow, JIRA, etc.)
Raises issues that require senior level attention or involvement.
Lifts and moves equipment up to 50 pounds.
Work after hours, and weekends, as needed.
This position may filled at a higher level based on the qualifications listed below.
Basic Qualifications for Level 2:
Master's Degree with 0 years of relevant experience; OR a Bachelor's Degree with 2 years of relevant experience; OR an Associate's Degree with 4 years of relevant experience; OR a High School Diploma (or equivalent) with 6 years of relevant experience is required
Must have a Security+ certification (or greater) to be considered
Candidates must have a current US Government Secret level security clearance (at a minimum) with the ability to obtain and maintain a US Government Top Secret clearance in order to be considered
Candidates must have the ability to obtain, and maintain, access to Special Programs as a condition of continued employment
Knowledge of Linux Server Operating Systems and workstation support
Basic Qualifications for Level 3:
Master's Degree with 3 years of relevant experience; OR a Bachelor's Degree with 5 years of relevant experience; OR an Associate's Degree with 7 years of relevant experience; OR a High School Diploma (or equivalent) with 9 years of relevant experience is required
Must have a Security+ certification (or greater) to be considered
Candidates must have a current US Government Secret level security clearance (at a minimum) with the ability to obtain and maintain a US Government Top Secret clearance in order to be considered
Candidates must have the ability to obtain, and maintain, access to Special Programs as a condition of continued employment
Linux Server Administration experience in a classified environment
Preferred Qualifications:
Active Top Secret, SCI, SAP/SAR access, or Polygraph
Experience operating under and managing systems within NISPOM Chapter 8, DCID 6/3-ICD 503, RMF, STIG, JAFAN, or JSIG information system environments
Current Virtualization experience and containerization (Docker, Kubernetes, etc.)
Knowledge of networking, including subnets, routing, VLANs and VTCs
VMWare experience with current version
Knowledge of environmental monitoring tools (HBSS/Solar Winds/Splunk)
Scripting experience
Operating System Cross-platform awareness (i.e. two or more: Windows, Linux, Solaris, OSX, UNIX, etc.)
Experience with the creation and deployment of system images in an enterprise environment
Experience with Assessment & Authorization process
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: $72,100.00 - $108,100.00Secondary Level Salary Range: $89,400.00 - $134,200.00The 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.Skills Required
- Master's degree with 0 years OR Bachelor's degree with 2 years OR Associate's degree with 4 years OR High School Diploma with 6 years (Level 2)
- Master's degree with 3 years OR Bachelor's degree with 5 years OR Associate's degree with 7 years OR High School Diploma with 9 years (Level 3)
- Security+ certification (or greater)
- Current US Government Secret clearance (minimum)
- Ability to obtain and maintain a US Government Top Secret clearance
- Ability to obtain and maintain access to Special Programs
- Knowledge of Linux server operating systems and workstation support
- Linux server administration experience in a classified environment
- Willingness to work on-site at Melbourne, FL (no telecommute)
- Ability to lift and move equipment up to 50 pounds; work after hours/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.








