Senior Linux Systems Administrator (TS/SCI)

Booz Allen Hamilton; South Carolina; On-site; USD 78,000 - 176,000; Full time

Job summary

Booz Allen Hamilton seeks an accomplished Systems Administrator to maintain and improve Linux-based infrastructure for a new client. You will monitor performance, translate metrics into actionable insights, and support daily operations across workstations, file servers, and web assets.

Requires TS/SCI clearance, 10+ years in systems administration, and relevant certifications. The role emphasizes collaboration with a mission-critical team, ongoing security hardening, and staff training on IT

Qualifications

• 10+ years of experience in systems administration.
• 5+ years of experience with systems administration on Linux operating systems.
• Ability to support daily operational requirements of computer network systems including workstation, file servers, and web servers.
• Ability to install hardware and software, perform systems upgrades, manage network accounts, and support network security, web page design, interface and updates, and local system design documentation.
• Ability to maintain, troubleshoot, and implement network security tools including firewalls, anti-virus, and intrusion detection services.
• Ability to train staff on software applicable to their position, assist customers with information technology, monitor hardware and software system configuration, and provide instruction on computers and applications.
• TS/SCI clearance.
• Master’s degree in Electrical Engineering, Electronics Engineering, Computer Engineering, Computer Science, or Information Systems.
• IAT Level II certification.
• Linux certification"

Responsibilities

• Ensure the current infrastructure is functional and available while identifying areas for improvement.
• Provide customers insight into their network through monitoring and performance management.
• Turn network metrics into information and explain their meaning to the team.
• Support a new client on a mission-critical network to keep services running smoothly.

Skills

System administration

Linux

Networking

Security tools

Staff training

Education

Master's degree in Electrical Engineering, Electronics Engineering, Computer Engineering, Computer Science, or Information Systems

IAT Level II certification

Linux certification

Job description

Booz Allen Hamilton seeks an accomplished Systems Administrator to maintain and improve Linux-based infrastructure for a new client. You will monitor performance, translate metrics into actionable insights, and support daily operations across workstations, file servers, and web assets.

Requires TS/SCI clearance, 10+ years in systems administration, and relevant certifications. The role emphasizes collaboration with a mission-critical team, ongoing security hardening, and staff training on IT