Senior Linux Systems Administrator: Mission-Critical Infra

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

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.