Senior Linux Systems Engineer (RHEL/Ubuntu)

Booz Allen Hamilton; United States; In loco; USD 62.000 - 141.000; Tempo pieno

Vantaggi offerti da questo lavoro

Health benefits

Life insurance

Disability insurance

Tuition assistance

Paid leave

Descrizione del lavoro

Booz Allen Hamilton is seeking a Linux-focused System Administrator to operate and maintain enterprise Linux-based systems (RHEL and Ubuntu) across multi-enclave environments. The role emphasizes hands-on OS, network, and storage troubleshooting, vulnerability remediation, and ongoing patching within DoD-standard security frameworks.

The ideal candidate has 12+ years of professional experience, TS/SCI clearance, and DoD 8570 IAT Level II and DoW 8140 certifications.

Competenze

• 12+ years of experience in a professional work environment.
• Experience administering enterprise RHEL and Ubuntu systems.
• Experience supporting multi-enclave or multi-tenant environments.
• 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; DoD 8570 IAT Level II Certification; DoW 8140 Work Role Code 451 Intermediate Certification.

Mansioni

• 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.

Conoscenze

Linux system administration

Incident resolution

Vulnerability remediation

Identity services integration

Multi-tenant environments

Team collaboration

Formazione

HS diploma or GED

Strumenti

RHCSA Certification

ORLPIC-2 Certification

Descrizione del lavoro

Booz Allen Hamilton is seeking a Linux-focused System Administrator to operate and maintain enterprise Linux-based systems (RHEL and Ubuntu) across multi-enclave environments. The role emphasizes hands-on OS, network, and storage troubleshooting, vulnerability remediation, and ongoing patching within DoD-standard security frameworks.

The ideal candidate has 12+ years of professional experience, TS/SCI clearance, and DoD 8570 IAT Level II and DoW 8140 certifications.