Infrastructure/System Administrator Lead
About The Position
CACI is seeking an Infrastructure/System Administrator Lead in Sterling, Virginia, to design architectures for new and existing computer systems and coordinate development activities including design, modeling, security, integration, and testing. The role supports intelligence systems and involves delivering solutions to complex engineering challenges. The position leads the design, security, implementation, and maintenance of cloud and hybrid computing environments supporting the software development lifecycle. It connects systems operations and development teams while managing infrastructure across AWS cloud services and on-premises data centers. The administrator ensures environments are highly available, scalable, and automated, with secure developer access, CI/CD tools, and computing resources. The role also covers systems design, development, and integration throughout the system life cycle; administration of operating systems, application software, and system management tools; systems modeling and analysis; security, backup, and redundancy; and documentation of engineering processes and procedures.
Requirements
- Active TS/SCI security clearance and willingness and ability to obtain a polygraph.
- Bachelor’s degree in information technology or a relevant field, or equivalent experience.
- At least 10 years of experience as an IT system administrator or in related work.
- Deep expertise in AWS core services, including EC2, S3, RDS, Lambda, IAM, and Systems Manager (SSM).
- Experience configuring AWS Direct Connect, Site-to-Site VPNs, and hybrid DNS architectures.
- Hands-on proficiency with Terraform or AWS CloudFormation for provisioning multi-environment stacks.
- Experience maintaining and scaling infrastructure for GitLab CI or GitHub Actions.
- Advanced administration of Linux (RHEL/Ubuntu) and Windows Server environments.
- Experience using Bash, Python, or PowerShell for automation.
- Demonstrated proficiency as a Linux system administrator.
- Strong scripting and coding skills, particularly in Python or similar languages.
Nice To Haves
- Expertise in operational support and system maintenance.
- Strong background managing native Kubernetes clusters and AWS EKS.
- Knowledge of Kubernetes container orchestration and Ansible automation.
- AWS Certified SysOps Administrator or AWS Certified DevOps Engineer certification.
- Experience with automation and virtualization technologies, such as VMware and virtual networking.
Responsibilities
- Lead the design, security, implementation, and maintenance of cloud and hybrid/cloud computing environments supporting the software development lifecycle.
- Bridge system operations and development teams while managing infrastructure across AWS cloud services and on-premises data centers.
- Manage highly available, scalable, and automated environments, providing developers with secure access, CI/CD tools, and computing resources.
- Perform systems design, development, and integration throughout the system life cycle.
- Oversee moderately complex infrastructure, including installing, configuring, testing, and maintaining operating systems, application software, and system management tools.
- Conduct systems modeling, simulation, and analysis to optimize performance and efficiency.
- Implement and maintain security measures, including backup and redundancy strategies.
- Prepare and maintain documentation for engineering project processes and procedures.
Benefits
- Flexible time off benefit.
- Learning resources and learning and development opportunities.
- Healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits.
Stand Out From the Crowd
Upload your resume and get instant feedback on how well it matches this job.
What This Job Offers
Job Type
Full-time
Career Level
Senior
