> Markdown version of [/jobs/ext/3115520-1st-shift-system-administrator](https://www.wearedevelopers.com/jobs/ext/3115520-1st-shift-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). --- # 1st Shift System Administrator - **Company:** RTX - **Location:** Springfield, VA, United States - **Experience:** Experienced - **Salary:** $86,800.0 - $165,200.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), C++ (Programming Language), Linux, Lightweight Directory Access Protocols (LDAP), Network File Systems, Public Key Infrastructure, Red Hat Enterprise Linux, SQL Databases, TCP/IP, System Availability, Grafana, Splunk - **Published:** September 27, 2026 - **Apply:** https://dejobs.org/x/x/75E17B60837640DE9E715CE865238DC9/job/ ## About the Role * Typically requires a Bachelor's and a minimum of 5 years prior relevant experience, or an Advance Degree in a related field and a minimum of 2 years' experience. * Active and transferable U.S. government issued security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance. * Security+ certification. * System administration experience across Linux systems. * Experience in the Intelligence Community (IC). * Experience working with dislocated or geographically separated operations. * Experience with (and/or) LDAP, NFS, TCP/IP, Splunk, Grafana, and NIS/NIS+. * Experience in issuing and managing PKI Certifications. * Experience with (and/or) SQL, C++ and Java. Qualifications We Prefer * Ability to work in an operational environment with attention to detail. * Red Hat Enterprise Linux Certifications: RHCT or RHSA. * Good communication and organizational skills. * Ability to contribute to technical documentation. * Comfortable performing duties collocated with the customer and other operations center residents. * Proven ability in strong customer support. ## Description The selected candidate will work an Operations and Sustainment team, embedded on-site, with customer presence, for a system considered mission critical by the customer. The system is responsible for successful 24x7x365 operations of the ASP side of the system, with very detailed assistance to the ISP part of the system. This position operates at a customer facility in Springfield, VA, and will coordinate with another team in St Louis, MO. This position is for Mon-Fri 6:00am-2:00pm plus on-call one weekend per month. What You Will Do * Ensure maximum system availability. * Follow engineering instructions to conduct system updates/upgrades in coordination with the ISP and the support factory. * System administration functions. * Conduct VM-based services to ensure system operation. * Support development/modification of technical documentation. * Complete and track lessons learned and metrics. ## Related Videos - [An Applied Introduction to eBPF with Go](https://www.wearedevelopers.com/videos/1075-an-applied-introduction-to-ebpf-with-go) - [Our journey with Spring Boot in a microservice architecture](https://www.wearedevelopers.com/videos/511-our-journey-with-spring-boot-in-a-microservice-architecture) - [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) - [Turning Container security up to 11 with Capabilities](https://www.wearedevelopers.com/videos/718-turning-container-security-up-to-11-with-capabilities) - [Cyber Sleuth: Finding Hidden Connections in Cyber Data](https://www.wearedevelopers.com/videos/893-cyber-sleuth-finding-hidden-connections-in-cyber-data) ## Related Articles - [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) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries) - [System change: restart as developer?](https://www.wearedevelopers.com/magazine/39-system-change-restart-as-developer)