> Markdown version of [/jobs/ext/2850902-system-administrator](https://www.wearedevelopers.com/jobs/ext/2850902-system-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). --- # System Administrator - **Company:** The Job Network - **Location:** United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Java (Programming Language), JavaScript (Programming Language), Apache Ant, Apache HTTP Server, Apache Tomcat, Cloud Computing, Cyber Security, Information Technology Consulting, Databases, File Systems, Federal Information Processing Standards (FIPS), Hibernate (Java), Apache Hypertext Transfer Protocol Server, Java Persistence API, Java Web Services, Spring Framework, Java API for RESTful Web Services (JAX-RS), Network Security, PostgreSQL, MongoDB, Red Hat Enterprise Linux, Apache Solr, Selinux, Oracledb - **Published:** September 11, 2026 - **Apply:** https://www.thejobnetwork.com/job/bc78cdc5-7f84-447c-a10f-88d297550576/system-administrator-active-tssci-with-ci-poly ## About the Role * 10+ years of relevant work experience and a Bachelor's degree or 8+ year of relevant experience and a Master's degree * Security+ certification * Proficient Cloud computing experience. * Proficient Digital security experience. * Must have an Active TS/SCI; willingness to obtain a CI Poly. Required skills * Principal technologies: Java, Java Persistence API (JPA), Java Web Services (JAX-RS), Java Cryptography Extension (JCE), Hibernate, Spring, JavaScript, Apache Ant, Apache HTTPD, and Apache Tomcat * Databases: Apache Solr, PostgreSQL, MongoDB, and OracleDB * Platforms: Red Hat Enterprise Linux 7, 8, and 9, with an understanding of FIPS mode, SELinux, firewall daemon (firewalld), file access policy daemon (fapolicyd), and basic system administration * Must be able to obtain a privileged user access account (PUA). ## Description Plans and leads major technology assignments. Evaluates performance results and recommends major changes affecting short-term project growth and success. Functions as a technical expert across multiple project assignments. possesses and applies a comprehensive knowledge across key tasks and high impact assignments. May supervise others. ## Related Videos - [Enhancing Workload Security in Kubernetes](https://www.wearedevelopers.com/videos/356-enhancing-workload-security-in-kubernetes) - [40 Minutes to Build a Serverless COVID-19 REST and GraphQL APIs](https://www.wearedevelopers.com/videos/208-40-minutes-to-build-a-serverless-covid-19-rest-and-graphql-apis) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [For the Cars and the Curious: Android Drift](https://www.wearedevelopers.com/videos/499-for-the-cars-and-the-curious-android-drift) - [Hacking MSSQL on Cloud. All of them. How I became sysadmin on Azure, AWS, GCP and Alibaba.](https://www.wearedevelopers.com/videos/100339-hacking-mssql-on-cloud-all-of-them-how-i-became-sysadmin-on-azure-aws-gcp-and-alibaba) - [NoSQL Data Modeling for Front-end Developers](https://www.wearedevelopers.com/videos/297-nosql-data-modeling-for-front-end-developers) ## Related Articles - [93 Java Interview Questions You Should Prepare For](https://www.wearedevelopers.com/magazine/14-93-java-interview-questions-you-should-prepare-for) - [Top 10 Java Libraries](https://www.wearedevelopers.com/magazine/364-top-10-java-libraries) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [7 Important Tips That Every Software Developer Should Know](https://www.wearedevelopers.com/magazine/101-7-important-tips-that-every-software-developer-should-know) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers)