Mission-Critical Systems Administrator (TS/SCI)

Booz Allen Hamilton; Honolulu (HI); On-site; USD 78,000 - 176,000; Full time

Job summary

Booz Allen Hamilton is seeking a system administrator to support mission-critical IT infrastructure for US Army operations. The role focuses on enterprise-level administration, secure multi-domain environments, and reliable network performance.

Applicants should have DoD 8570/8140 IAT II or Security+ and TS/SCI clearance, plus experience with Windows admin, Cisco VTC/VoIP, and cross-team collaboration.

Qualifications

• 3+ years of experience in a system administration or network administration role in an Army, Service Component Command, Combatant Command, or Joint intelligence environment
• Experience providing Tiers I and II support for Windows-based systems and network troubleshooting
• DoD 8570 or 8140 compliant IAT Level II Certification or CompTIA Security+ Certification

Responsibilities

• Ensure the current infrastructure is functional and available and implement patching strategies
• Manage the infrastructure, architecture, security, and performance of the customer's systems
• Provide customers insight into their network through monitoring and performance management
• Identify problem areas and opportunities for improvement in a mission-critical network
• Mentor the team and develop new methodologies to modernize the network

Skills

System administration

Network administration

TS/SCI clearance

Education

HS diploma or GED + 9+ years

Associate's degree +7+ years

Bachelor's degree +3+ years

Tools

Cisco VTC

VoIP systems

Job description

Booz Allen Hamilton is seeking a system administrator to support mission-critical IT infrastructure for US Army operations. The role focuses on enterprise-level administration, secure multi-domain environments, and reliable network performance.

Applicants should have DoD 8570/8140 IAT II or Security+ and TS/SCI clearance, plus experience with Windows admin, Cisco VTC/VoIP, and cross-team collaboration.