Senior Linux Engineer - Enterprise & Security

Booz Allen Hamilton; Tampa (FL); On-site; USD 62,000 - 141,000; Full time

Job summary

Booz Allen Hamilton seeks a senior Linux Systems Administrator to operate and maintain Linux-based environments, focusing on RHEL and Ubuntu. You’ll handle fleet O/M, incident resolution, onboarding, patching, and security compliance across multi‑enclave setups, collaborating with a tight-knit team to improve systems and processes.

The role requires 12+ years of professional experience, TS/SCI clearance, and DoD-related certifications.

Qualifications

• 12+ years of experience in a professional work environment
• Experience administering enterprise RHEL and Ubuntu systems
• Knowledge of vulnerability remediation frameworks, errata processes, and patch orchestration
• Ability to troubleshoot complex issues across OS, network, storage, and platform layers
• TS/SCI clearance
• HS diploma or GED
• DoW8140 Work Role Code 451 Intermediate Certification

Responsibilities

• Perform enterprise fleet O&M across multi‑enclave environments, including lifecycle sustainment for RHEL systems.
• Execute incident resolution, including troubleshooting OS, configuration, service, and platform‑level issues.
• Conduct post‑provisioning validation and onboarding of newly deployed systems.
• Manage host compliance through errata application, STIG and CIS alignment practices, and quarterly patch cycle execution.
• Perform vulnerability patching, remediation, and compliance verification across RHEL and Ubuntu systems.
• Perform directory integration validation and ensure correct binding of Linux hosts to identity services.
• Manage user and service accounts, ensuring proper onboarding, permissions, and lifecycle controls.
• Absorb operational workload associated with the onboarding of Ubuntu and emerging containerized platforms.
• Provide operational support for both Ubuntu and RHEL systems, including patching, troubleshooting, and lifecycle sustainment.
• Execute standard hygiene tasks such as log retention management, host health checks, and backup or restore verification.
• Maintain routine service and patching support across enclaves, ensuring consistent operational readiness.
• Resolve Tier 2 support tickets related to Linux platforms.
• Participate in patching windows for Linux systems and in audit activities related to enclave synchronization.

Skills

Troubleshooting

Incident resolution

Patch management

Vulnerability remediation

Identity services

Security clearance

Education

HS diploma or GED

DoD 8570 IAT Level II Certification

DoW8140 Intermediate Certification

Tools

RHEL

Ubuntu

Job description

Booz Allen Hamilton seeks a senior Linux Systems Administrator to operate and maintain Linux-based environments, focusing on RHEL and Ubuntu. You’ll handle fleet O/M, incident resolution, onboarding, patching, and security compliance across multi‑enclave setups, collaborating with a tight-knit team to improve systems and processes.

The role requires 12+ years of professional experience, TS/SCI clearance, and DoD-related certifications.