> Markdown version of [/jobs/ext/2292966-application-systems-administrator](https://www.wearedevelopers.com/jobs/ext/2292966-application-systems-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). --- # Application Systems Administrator - **Company:** BAE Systems - **Location:** Rockville, MD, United States - **Experience:** Experienced - **Salary:** $79,365.0 - $134,921.0 - **Contract:** Permanent contract - **Skills:** Active Directory, Active Directory Federation Services, Application Services, Cloud Computing, CompTIA Security+, System Configuration, Identity and Access Management, Information Technology Operations, Linux System Administration, Windows Servers, OAuth, Performance Tuning, Security Assertion Markup Language (SAML), SSL Certificate Management, Computer Network Operations, DOORS (Software), SC Clearance, Containerization, Information Technology, OpenText, Splunk, Vulnerability Analysis - **Published:** August 29, 2026 - **Apply:** https://www.juju.com/job/00000000gpig4k ## About the Role + A CompTIA Security or equivalent 8570/8140 approved IAT level 2 certification or ability to obtain within 6 months of being hired + Bachelor s Degree (typically within the field of Computer Science, Information Technology, or similar field) and 2 years of relevant work experience + Maintaining a thorough understanding of NIST 800-53 controls and determining which controls are applicable, as well as documenting the implementation + Must have strong troubleshooting skills and the ability to research and find technical solutions with minimal supervision + Effective organizational, time management, and communication skills (written and verbal) + Experience with Application Administration + Active Secret clearance (ability to upgrade to TS) Preferred Education, Experience, & Skills + Hands-on experience administrating one or more of the following: + Splunk + IBM DOORS + Teamwork Cloud + OpenText Content Server + Experience deploying, configuring, and managing applications in containerized environments + Experience hardening applications in accordance with DISA s Security Technical Implementation Guides (STIGs) + The ability to understand and remediate vulnerabilities identified by CTOs, IVAMs, DISA STIGS, ACAS, and STIGs + Linux system administration experience + Windows Server administration experience + Experience in conducting security control reviews and compliance checks + Experience with SSL certificate management, including generation, renewal, troubleshooting + Experience with identity management and authentication including Active Directory, SAML, OAUTH, ADFS ## Description BAE Systems is seeking an ON-SITE Application Systems Administrator. Join our IT Operations Team and become a member of a highly productive team, where each employee has the opportunity to grow their skills and work on rewarding system and network operations projects. The selected candidate will perform the following functions: Install, configure, patch, tune, and upgrade system applications Harden applications according to system security policies and DISA STIGs Troubleshoot application and system issues to restore operations Support installation, tuning, and troubleshooting of COTS applications Perform vulnerability scans and remediate findings Create and maintain technical documentation, including technical instructions and system designs Collaborate with cross-functional technical teams on system operations and security initiatives ## Related Videos - [Keeping applications secure by evolving OAuth 2.0 and OpenID Connect](https://www.wearedevelopers.com/videos/100152-keeping-applications-secure-by-evolving-oauth-2-0-and-openid-connect) - [Our journey with Spring Boot in a microservice architecture](https://www.wearedevelopers.com/videos/511-our-journey-with-spring-boot-in-a-microservice-architecture) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [Delay the AI Overlords: How OAuth and OpenFGA Can Keep Your AI Agents from Going Rogue](https://www.wearedevelopers.com/videos/1637-delay-the-ai-overlords-how-oauth-and-openfga-can-keep-your-ai-agents-from-going-rogue) - [Securing your application software supply-chain](https://www.wearedevelopers.com/videos/468-securing-your-application-software-supply-chain) - [Advanced Cypress: custom assertions and tasks](https://www.wearedevelopers.com/videos/790-advanced-cypress-custom-assertions-and-tasks) ## Related Articles - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [Starter Kit For Job Applications For Developers](https://www.wearedevelopers.com/magazine/7-starter-kit-for-job-applications-for-developers) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [System change: restart as developer?](https://www.wearedevelopers.com/magazine/39-system-change-restart-as-developer)