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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Linux Systems Administrator 3/4 - Top Secret - **Company:** Northrop Grumman - **Location:** Melbourne, FL, United States (Remote available) - **Experience:** Experienced - **Salary:** $89,400.0 - $134,200.0 - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Antivirus Softwares, Configuration Management, Cyber Security, Information Systems, Linux, File Systems, File System Permissions, IT Management, Subnetting, Lightweight Directory Access Protocols (LDAP), Windows Servers, Networking Basics, Routing, SAP (Applications), Information Technology Security Auditing, Server Administration, Software Requirements Analysis, Virtual Local Area Networks, Data Logging, Information Technology, SolarWinds (Software), Splunk, Cisco, Vmware - **Published:** June 18, 2026 - **Apply:** https://www.juju.com/job/00000000g8z2z1 ## About the Role + Master's Degree with 3 years of experience; OR a Bachelor's Degree with 5 years of experience; OR an Associate's Degree with 7 years of experience; OR a High School Diploma (or equivalent) with 9 years of experience is required + Must have aSecurity+ CE or higher; maintaining the required certification will be a condition of continued employment + Candidates must have a current DOD **Top Secret** levelsecurity clearance (or higher) in order to be considered + Must have Linux Operating Systems support experience + Linux Workstation and Server management experience is required + Experience operating under, and managing systems within, NISPOM Chapter 8, DCID 6/3-ICD 503, RMF, STIG, JAFAN, or JSIG information system environments Basic Qualifications for Level 4: + Master's Degree with 6 years of experience; OR a Bachelor's Degree with 8 years of experience; OR an Associate's Degree with 10 years of experience; OR a High School Diploma (or equivalent) with 12 years of experience is required + Must have aSecurity+ CE or higher; maintaining the required certification will be a condition of continued employment + Candidates must have a current DOD **Top Secret** levelsecurity clearance (or higher) in order to be considered + Must have Linux Operating Systems support experience + Linux Workstation and Server management experience is required + Experience operating under, and managing systems within, NISPOM Chapter 8, DCID 6/3-ICD 503, RMF, STIG, JAFAN, or JSIG information system environments **Preferred Qualifications** : + Bachelor's degree in Information Technology + Active TS/SCI, SAP/SAR access, or Polygraph is preferred + A Linux+ or RHCSA certification + Server Administration experience in a classified environment + Understanding of basic networking, including subnets, routing, and VLANs; Cisco experience and/or certification + Windows server management experience + Windows AD, LDAP, VMWare, and knowledge of SAN storage systems + VMWare experience with current version + Knowledge of environmental monitoring tools (HBSS/Solar Winds/Splunk) + Rudimentary Scripting experience + Experience with the creation and deployment of system images in an enterprise environment + Experience with Certification & 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. 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! ## Description The Northrop Grumman Classified Solutions team is seeking an experienced **Linux Systems Administrator** to join its dynamic team of technical professionals. The qualified applicant will become part of Northrop Grumman's Aeronautics Systems support team in Melbourne, FL. 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. Roles and responsibilities will include but not be limited to the following: + Perform as primary Linux Systems Administrator for a classified government contract. + Communicate effectively at all levels of the organization, with internal and external customers, in written and verbal format. + 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. + Support multiple networks while ensuring necessary administration tasks are completed and directing others as necessary. + Analyze internal and 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, and 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, and 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. ## Related Videos - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [WebAssembly: The Next Frontier of Cloud Computing](https://www.wearedevelopers.com/videos/972-webassembly-the-next-frontier-of-cloud-computing) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [How Cisco embraced a DevOps culture within its network engineering team](https://www.wearedevelopers.com/videos/99-how-cisco-embraced-a-devops-culture-within-its-network-engineering-team) - [Generating code with Angular schematics](https://www.wearedevelopers.com/videos/129-generating-code-with-angular-schematics) - [Docker exec without Docker](https://www.wearedevelopers.com/videos/1094-docker-exec-without-docker) ## Related Articles - [System change: restart as developer?](https://www.wearedevelopers.com/magazine/39-system-change-restart-as-developer) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs) - [9 Ways to Make Money Hacking](https://www.wearedevelopers.com/magazine/333-9-ways-to-make-money-hacking)