Infrastructure/System Administrator

About the role

CACI is seeking an Infrastructure/System Administrator to design cutting-edge system architectures for new and existing computer systems, coordinating all aspects of development including design, modeling, security, integration, and testing. The role supports the software development lifecycle across cloud and hybrid/cloud computing environments, acting as a bridge between system operations and development teams managing AWS cloud services and on-premises data centers. The position is full-time in Sterling, VA with up to 10% local travel and requires an active TS/SCI clearance (willingness to obtain a polygraph).

Responsibilities

• Support designing, securing, and maintaining cloud and hybrid/cloud computing environments that power the software development lifecycle.
• Act as a critical bridge between system operations and development teams, managing infrastructure spanning AWS cloud services and on-premises data centers.
• Help build highly available, scalable, and automated environments, ensuring developers have secure access, CI/CD tools, and computing resources to build, test, and deploy code efficiently.
• Implement systems design, development, and integration throughout the entire system life cycle.
• Support moderately complex infrastructure, including installing, configuring, testing, and maintaining operating systems, application software, and system management tools.
• Implement and maintain robust security measures, including backup and redundancy strategies.
• Prepare documentation for processes and procedures related to engineering projects.

Qualifications

Required:

• Active TS/SCI security clearance (willing and able to obtain a polygraph)
• Bachelor’s degree in information technology, a relevant field, or equivalent experience
• Minimum of 3 years' experience as an IT system administrator or related experience
• Demonstrated proficiency as a Linux system administrator
• Strong scripting and coding skills, particularly in Python or similar languages

Desired:

• Expertise in operational support and system maintenance
• Knowledge of Kubernetes container orchestration and Ansible automation
• Experience with automation and virtualization technologies (e.g., VMware, virtual networking)

Benefits

CACI offers a culture of integrity, trust, and continuous growth. Employees receive a unique flexible time off benefit, robust learning resources, and autonomy to balance quality work and personal life. The broad, competitive benefits package includes healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits designed to support and protect employees and their families.

Pay

The proposed salary range for this position is $72,700 – $149,200. Final salary is influenced by factors including geographic location, federal government contract labor categories and wage rates, relevant prior work experience, specific skills and competencies, education, and certifications.