Senior Systems Administrator

Jobtailor; Fairfax (VA); On-site; USD 90,000 - 130,000; Full time

Job summary

Jobtailor is seeking a seasoned Systems Administrator to support National Programs Intelligence Systems & Applications in a secure, classified environment in Virginia.

You will manage Linux/UNIX server infrastructure (RHEL, Ubuntu), oversee Oracle DBs, and ensure performance, security standards, and regulatory compliance across enterprise, regional, and local systems. Responsibilities include monitoring, backups, and 24/7 operations support to minimize downtime.

Qualifications

• BA/BS with 5+ years of relevant experience or MS with 3+ years.
• Strong Linux admin experience (RHEL/Ubuntu) in classified envs.
• Experience with Oracle DB installation, maintenance, troubleshooting.
• Experience managing virtual and physical servers; monitoring/backups; performance optimizations.

Responsibilities

• Support the National Programs Intelligence Systems & Application Operating Unit.
• Oversee and manage both virtual and physical servers for enterprise, regional, and local systems.
• Install, configure, document, maintain, and support server environments hosting mission‑critical applications and infrastructure services.
• Perform Operations and Maintenance tasks.
• Monitor and optimize system performance.
• Ensure systems and databases meet security standards and comply with regulations.
• Provide Tier 1 and Tier 2 support for troubleshooting, diagnosing, and resolving system and database issues.

Skills

Linux system administration

UNIX (RHEL/Ubuntu)

Windows Server administration

Oracle Database installation

System monitoring

Backup management

Performance optimization

Education

BA/BS + 5+ years OR MS + 3+ years

Job description

Responsibilities

• Support the National Programs Intelligence Systems & Application Operating Unit.
• Oversee and manage both virtual and physical servers for enterprise, regional, and local systems.
• Install, configure, document, maintain, and support server environments hosting mission‑critical applications and infrastructure services.
• Perform Operations and Maintenance tasks.
• Monitor and optimize system performance.
• Ensure systems and databases meet security standards and comply with relevant regulations.
• Provide Tier 1 and Tier 2 support for troubleshooting, diagnosing, and resolving system and database issues.

Requirements

• 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.

Core Competencies

Demonstrates expertise in system administration, particularly with Linux and UNIX in classified environments, while ensuring compliance with security standards. Proficient in managing server environments and providing support for mission‑critical applications and infrastructure services.