[Skip to main content](#main-content) [ OpenNash ](https://opennash.com/) / [Jobs](https://jobs.opennash.com/) [ 01 Search jobs](https://jobs.opennash.com/search/)[ 02 Companies](https://jobs.opennash.com/explore/)[ 03 Hiring report](https://jobs.opennash.com/reports/hiring/)[ 04 AI assistants](https://jobs.opennash.com/connect/)[ 05 How it works](https://jobs.opennash.com/methodology/) Northrop Grumman · United States-California-Azusa # Linux Systems Administrator - Top Secret United States-California-Azusa Full-time $83,400.00 - $125,200.00 Design Listed on Northrop Grumman’s official careers site. Posted October 21, 2026. Check that it is still open and apply there. [Apply on Northrop Grumman’s careers site →](https://ngc.wd1.myworkdayjobs.com/Northrop_Grumman_External_Site/job/United-States-California-Azusa/Linux-Systems-Administrator---Top-Secret_R10241834-1) [OpenNash Jobs](https://jobs.opennash.com/) / [Northrop Grumman](https://jobs.opennash.com/companies/northrop-grumman/) / Linux Systems Administrator - Top Secret ## Job description ### RELOCATION ASSISTANCE No relocation assistance available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% 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 Classified Solutions CIDO team is seeking a Computer Systems Analyst – Linux Systems Administrator to support information system lifecycle activities. The selected candidate will be required to work on-site, full-time at our Azusa, CA location. 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. ### 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 Master's Degree with 0 years of IT experience; OR a Bachelor's Degree with 2 years of IT experience; OR an Associate's Degree with 4 years of IT experience; OR a High School Diploma (or equivalent) with 6 years of IT experience is required Knowledge of Linux Server Operating Systems and workstation support is needed Candidates must meet the U.S. Government 8140 requirements (8570 equivalent) for a Linux Systems Administrator – IAT level II certification at a minimum (examples: Security+ CE, CND, CCNA Security, SSCP, GICSP, GSEC, CCISO) Candidates must have a current U.S. Government Top Secret level security clearance (at a minimum) in order to be considered Preferred Qualifications: - 2 years with a Bachelor's degree - 0 years with a Master’s degree Active Secret, Top Secret, SCI, SAP/SAR access, or Polygraph Security+ CE certification - Knowledge of NISPOM Chapter 8, DCID 6/3-ICD 503, RMF, STIG, JAFAN, or JSIG information system environments Understanding of basic networking Creation and deployment of system images in a LAN up to an enterprise environment Awareness of virtualization technologies - Knowledge of environmental monitoring tools (HBSS/Solar Winds/Splunk) Limited experience in scripting Operating System Cross-platform awareness (i.e. two or more: Windows, Linux, Solaris, OSX, UNIX, etc.) Experience with Authorization& Accreditation 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 $83,400.00 - $125,200.00 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](http://www.northropgrumman.com/EEO). U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions. ## At a glance - Posted by the employer: Oct 21, 2026 - First seen by OpenNash: Oct 25, 2026 - Last checked: Nov 1, 2026 - Listed for: 11 days - Location: United States-California-Azusa - Employment type: Full-time - Pay: $83,400.00 - $125,200.00[Apply on Northrop Grumman’s careers site →](https://ngc.wd1.myworkdayjobs.com/Northrop_Grumman_External_Site/job/United-States-California-Azusa/Linux-Systems-Administrator---Top-Secret_R10241834-1) ## More jobs at Northrop Grumman ### [Principal Linux Systems Administrator - Secret](https://jobs.opennash.com/companies/northrop-grumman/jobs/2fdaefa730948bfb8fbc/) United States-California-Azusa ### [Sr Principal Linux Systems Administrator - Top Secret](https://jobs.opennash.com/companies/northrop-grumman/jobs/30cd1520cd648c3a3501/) United States-California-Azusa ### [Journeyman Machinist](https://jobs.opennash.com/companies/northrop-grumman/jobs/481e8c21872921380125/) United States-California-Azusa ### [Manager Mechanical Engineering – Level 2](https://jobs.opennash.com/companies/northrop-grumman/jobs/03fc5971ea012fbd984b/) United States-California-Azusa ### [Principal Software Engineer/Sr. Principal Software Engineer](https://jobs.opennash.com/companies/northrop-grumman/jobs/b2ef31c9e02fc3659b79/) United States-California-Azusa ## Similar jobs at other companies ### [Linux Systems Administrator - SA2](https://jobs.opennash.com/companies/lockheed-martin/jobs/0fd100d3c090dcaaea9b/) Lockheed Martin · Fort Meade, MD ### [Windows & Linux Systems Administrator Staff](https://jobs.opennash.com/companies/lockheed-martin/jobs/472732f30c68b4ee0774/) Lockheed Martin · Fort Meade, MD ### [Senior Linux Systems Administrator](https://jobs.opennash.com/companies/bae-systems/jobs/11c2c4f3bd033f119ef6/) BAE Systems · Wallops Island, Virginia, United States ### [Systems Administrator Sr - Windows & Linux](https://jobs.opennash.com/companies/bae-systems/jobs/6451928c7bd416620332/) BAE Systems · Greenlawn, New York, United States ### [Linux Server Administrator](https://jobs.opennash.com/companies/ntt/jobs/6a42431b76e412b7a860/) NTT · Remote, TX, US, United States OpenNash lists jobs from employers’ own careers sites and does not handle applications. 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