Platform Reliability Engineer - 24/7 IT Ops

CACI; Washington (District of Columbia); On-site; USD 75,200 - 158,100; Full time

Job summary

CACI is seeking a Platform Specialist to support the Defense Intelligence Agency. The role focuses on core infrastructure powering mission‑critical applications across physical, virtual, and cloud Windows Server and Linux environments, ensuring availability, reliability, and security.

Responsibilities include deploying and maintaining systems, automating builds, supporting IATT/ATO, managing patches, and collaborating with engineering and operations to maximize uptime.

Qualifications

• Must hold TS/SCI clearance with ability to obtain poly prior to start.
• Security+ or equivalent DoD 8140 certification is required.
• Hands-on experience administering Windows Server and Linux environments.

Responsibilities

• Deploy, operate, and maintain physical, virtual, and cloud‑based Windows Server or Linux OS configurations.
• Automate builds, rebuilds, and zero‑day configurations for rapid deployment and high availability.
• Support IATT and ongoing ATOs; coordinate actions on approved POA&M.
• Provide continuous support for infrastructure; incident analysis and break/fix.
• Perform scheduled and ad hoc maintenance; manage patching across networks.
• Use Lab facilities to develop test scripts and manage Beta/Acceptance testing.
• Analyze system performance, capacity, and SLA metrics to optimize infrastructure.
• Develop SOPs and reporting with technical writers; ensure contract deliverables.
• Participate in CSI and explore new technologies for improvements.

Skills

TS/SCI clearance

Security+ or DoD 8140 cert

Windows Server administration

Linux administration

Education

AA degree

BS/BA

MS/MA

PhD

Tools

Windows Server Hybrid Administrator

RHCSA

LPIC-1

Job description

CACI is seeking a Platform Specialist to support the Defense Intelligence Agency. The role focuses on core infrastructure powering mission‑critical applications across physical, virtual, and cloud Windows Server and Linux environments, ensuring availability, reliability, and security.

Responsibilities include deploying and maintaining systems, automating builds, supporting IATT/ATO, managing patches, and collaborating with engineering and operations to maximize uptime.