> Markdown version of [/jobs/ext/203335-senior-red-hat-linux-administrator](https://www.wearedevelopers.com/jobs/ext/203335-senior-red-hat-linux-administrator). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Red Hat Linux Administrator - **Company:** Science Applications International Corporation - **Location:** Arlington, VA, United States (Remote available) - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Backup Devices, Bash Shell, Unix, Cyber Security, Computer Networks, System Configuration, Linux, Perl (Programming Language), Monitoring of Systems, Python (Programming Language), NIPRNet, Oracle Databases, Oracle (Applications), Red Hat Enterprise Linux, Trusted Systems, Oracle Linux, Scripting, Network Server - **Published:** May 19, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=64919e23bbef1edc ## About the Role TYPICAL EDUCATION AND EXPERIENCE: Bachelors and five (5) years or more experience; Masters and three (3) years or more experience; PhD and 0 years related experience * This position requires US citizenship and an active DOD Secret clearance. * Possess DoD 8570.01-M/DoD 8140 Certification IAW established mandate - IAT Level II required (CCNA Security, CySA+, GICSP, GSEC, Security+ CE, SSCP); IAT Level III is desirable (CASP+ CE, CCNP Security, CISA, CISSP (or Associate), GCED, GCIH). Applicants not meeting this requirement will not be considered. * Solid knowledge of Linux Networking concepts. * Skilled in Linux-related scripting (Bash, Perl, Python, etc.) * Experience with applying patches to implement functionality or address security concerns. Desired: * Hands on experience with Oracle Linux (OEL) and Oracle Database Appliances (ODA). * Oracle Certified Associate or Professional certification, or similar Red Hat certifications. * IAT Level III is desirable (CASP+ CE, CCNP Security, CISA, CISSP (or Associate), GCED, GCIH). * Experience with Oracle Support system with opening tickets and downloading patches. ## Description SAIC is currently seeking an experienced Linux and UNIX Administrator to operate and maintain Red Hat and Oracle Linux (Release 7 and 8), and HP-UX (11.31) operating systems within a Platform Systems Services (PSS) hosting environment. Shift Schedule: Monday-Friday onsite in Arlington. 8:00 to 5:00 PM core hours with occasional after hours' onsite work to support both a NIPR and SIPR environment., * Provide effective provisioning, installation/configuration, operation, and maintenance of Linux and UNIX Servers in test, stage and production environments hosting multiple Oracle databases. * Apply DISA STIG compliance controls to secure systems. * Responsible for daily system monitoring, security, server health, resources and log management of all Linux and UNIX systems. * Troubleshooting and performing root cause analysis. This includes troubleshooting any and all issues with system configurations, backups, files systems, hardware, and user access. * Work closely with Oracle Database Administrators (DBAs) group. ## Related Videos - [WeAreDevelopers LIVE - Node and Package Security](https://www.wearedevelopers.com/videos/2138-wearedevelopers-live-node-and-package-security) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [The Time Paradox: Building Timezone-Safe Python/Django Applications](https://www.wearedevelopers.com/videos/1915-the-time-paradox-building-timezone-safe-python-django-applications) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [Docker exec without Docker](https://www.wearedevelopers.com/videos/1094-docker-exec-without-docker) ## Related Articles - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [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) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing) - [9 Ways to Make Money Hacking](https://www.wearedevelopers.com/magazine/333-9-ways-to-make-money-hacking)