> Markdown version of [/jobs/ext/2294433-it-sys-sec-eng-ii](https://www.wearedevelopers.com/jobs/ext/2294433-it-sys-sec-eng-ii). 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). --- # IT Sys Sec Eng II - **Company:** BAE Systems - **Location:** Rockville, MD, United States - **Experience:** Experienced - **Contract:** Temporary contract - **Skills:** Active Directory, Active Directory Federation Services, Software Applications, 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.careerjet.com/job/usb4f78fac7296822babe5e5cc396f8867/eaa ## 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), * 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, Typically a Bachelor's Degree and 2 years work experience or equivalent experience Job Category ## 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 - [Our journey with Spring Boot in a microservice architecture](https://www.wearedevelopers.com/videos/511-our-journey-with-spring-boot-in-a-microservice-architecture) - [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) - [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) - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [Advanced Cypress: custom assertions and tasks](https://www.wearedevelopers.com/videos/790-advanced-cypress-custom-assertions-and-tasks) ## Related Articles - [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) - [9 Ways to Make Money Hacking](https://www.wearedevelopers.com/magazine/333-9-ways-to-make-money-hacking) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries)