Senior Systems Administrator

Responsibilities

• Support the National Programs Intelligence Systems & Application Operating Unit.
• Perform installation, configuration, and maintenance of Linux servers, virtual servers, and application software upgrades.
• Operations and Maintenance tasks, maintaining operational baselines, and supporting application O&M activities including patching, application monitoring, and customer support.
• Troubleshoot network and application performance issues and recommend appropriate action.
• Work closely with project team members, product subject matter experts, end users, and software engineers to ensure applications remain operational.
• Develop tools to assist in systems management, ensure application documentation is maintained, and perform daily application backups.

• BA/BS degree with 5+ years of relevant experience; or Masters degree with 3+ years of experience.
• Proven experience in system administration, specifically with Linux, including RHEL and Ubuntu, and UNIX in classified environments.
• Some Windows server administration experience would be good to have.
• Hands‑on experience with Oracle Database installation, maintenance, and troubleshooting.
• Experience managing both virtual and physical servers.
• Experience performing system monitoring.
• Experience with backup management.
• Experience implementing performance optimizations.
• Currently valid DoD 8570 certification such as Security+ CE, CASP, CISSP, or similar security certification.

Demonstrates expertise in Linux system administration, including RHEL and Ubuntu, with a focus on operational maintenance, performance optimization, and application support in classified environments. Proficient in managing both virtual and physical servers, ensuring system reliability and security.