Lead Infra & Cloud Systems Admin

CACI International Inc; Sterling (VA); On-site; USD 121,000 - 266,000; Full time

Job summary

CACI International Inc. is seeking an Infrastructure/System Administrator Lead in Sterling, VA to design and secure cloud/hybrid architectures supporting the software development lifecycle.

You will coordinate design, security, integration and testing across AWS and on‑prem environments. The role requires a TS/SCI clearance, a 10+ year track record in IT administration, deep AWS expertise, and strong Python scripting.

Qualifications

• Active TS/SCI security clearance (polygraph possible)
• Bachelor's degree in information technology or equivalent
• Minimum of 10 years’ IT system administrator experience
• Deep AWS/core services knowledge and hybrid cloud expertise
• Strong Linux administration and Python scripting skills

Responsibilities

• Lead design, secure, and maintain cloud/hybrid environments across AWS and on‑prem data centers
• Bridge between system operations and development teams for a robust infrastructure
• Ensure highly available, scalable environments with CI/CD tooling access
• Perform systems design, development, and integration across the lifecycle
• Install, configure, test, and maintain OS, application software, and management tools
• Conduct systems modeling, simulation, and performance optimization
• Implement robust security, backups, and redundancy strategies
• Prepare and maintain documentation for engineering processes

Skills

Linux admin

Python scripting

Automation scripting

Security clearance

Education

Bachelor's degree in information technology

Tools

AWS (EC2, S3, RDS, Lambda, IAM, SSM)

Terraform

CloudFormation

GitLab CI

GitHub Actions

Kubernetes

Ansible

VMware

Bash/PowerShell

Job description

CACI International Inc. is seeking an Infrastructure/System Administrator Lead in Sterling, VA to design and secure cloud/hybrid architectures supporting the software development lifecycle.

You will coordinate design, security, integration and testing across AWS and on‑prem environments. The role requires a TS/SCI clearance, a 10+ year track record in IT administration, deep AWS expertise, and strong Python scripting.