Linux Systems Administrator - Security & Compliance

CACI; Washington (District of Columbia); On-site; USD 90,000 - 190,000; Full time

Job summary

CACI is seeking a Linux System Administrator to secure FEMA's Linux infrastructure in Washington, D.C. The role involves hardening, patching, logging, and vulnerability remediation across on-premises and hybrid environments to protect mission-critical systems.

You'll work with cybersecurity professionals and enterprise admins to implement and maintain secure configurations, ensure high availability, and support ICAM tools and privileged access management.

Qualifications

• U.S. Citizenship required.
• BS/BA + 8 years of applicable experience or equivalent.
• Minimum 7 years of Linux system administration.
• Experience with DISA STIGs and CIS Benchmarks.
• Knowledge of firewalls, access controls and system hardening.
• Experience with LDAP, PAM and identity management solutions.

Responsibilities

• Secure Linux-based infrastructure for FEMA enterprise with DISA STIGs or CIS benchmarks.
• Configure firewalls, access controls, and harden system services; patch and upgrade Linux servers.
• Remediate vulnerabilities, plan patches, and ensure high availability and uptime.
• Support ICAM tools, LDAP, privileged access management and system auditing.

Skills

Linux system administration

Security hardening

Vulnerability remediation

Patch management

Logging & auditing

ICAM tools

Education

BS/BA + 8 years of experience or equivalent

Tools

LDAP

PAM

Identity management solutions

VXRails

Zscaler

Job description

CACI is seeking a Linux System Administrator to secure FEMA's Linux infrastructure in Washington, D.C. The role involves hardening, patching, logging, and vulnerability remediation across on-premises and hybrid environments to protect mission-critical systems.

You'll work with cybersecurity professionals and enterprise admins to implement and maintain secure configurations, ensure high availability, and support ICAM tools and privileged access management.