TS/SCI Cloud & Systems Administrator

CACI International Inc

Sterling (VA)

On-site

USD 73,000 - 149,000

Full time

4 days ago

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Job summary

CACI International Inc. is seeking an Infrastructure/System Administrator in Sterling, VA to design, secure, and operate cloud and on‑prem infrastructure supporting the software development lifecycle.

You will bridge operations and development, ensuring highly available environments with automated tooling and secure access. The role requires TS/SCI clearance (polygraph preferred), a IT-related bachelor’s degree or equivalent experience, and at least 3 years of Linux admin with strong Python

Qualifications

Active TS/SCI clearance (willing to obtain polygraph).
Bachelor’s degree in information technology or related field, or equivalent experience.
Minimum 3 years of experience as IT system administrator.
Proven Linux system administration expertise.
Strong Python scripting skills; knowledge of automation and orchestration tools.

Responsibilities

Support designing, securing, and maintaining cloud and hybrid/cloud environments for the software development lifecycle.
Act as a bridge between operations and development, managing infrastructure across AWS and on‑prem data centers.
Build highly available, scalable, automated environments with secure access, CI/CD tools, and compute resources for code deployment.
Implement systems design, development, and integration throughout the system life cycle.
Operate and maintain moderate to complex infrastructure, including OS and application software, and system management tools.
Ensure robust security measures, including backup and redundancy strategies.
Prepare documentation for processes and procedures related to engineering projects.