Cloud Infrastructure Systems Administrator

CACI International•999 REMOTE, IL

22h•$75,200 - $158,100•Remote

About The Position

Join a fast-paced Agile development program to build, operate, and enhance systems in a secure AWS cloud environment. As a member of the Platform team, this role helps keep servers, applications, and infrastructure highly available, resilient, and optimized for mission needs. The position offers opportunities to deepen technical expertise, influence architectural decisions, and innovate in collaboration with application, data, and security teams in a SAFe environment. The role is remote, with quarterly travel to Scott Air Force Base required. Travel may be up to 10% and is local.

Requirements

Active DoD Secret clearance.
Five years of related technical experience.
Bachelor’s degree.
Security+, AWS, or similar IT certification.
Experience as a System Administrator, Network Administrator, or in a similar technical role.
Strong verbal and written communication skills and the ability to collaborate across teams and leadership levels.
Hands-on experience with servers, LAN/WAN networks, cloud environments, and patch management.
Ability to understand, document, and distill technical solution requirements.
Ability to work independently with minimal supervision.
Expertise with Windows and Linux operating systems.
Production Kubernetes/EKS experience, including Docker/containerized workloads and image building.
Active Directory and identity federation integration experience.

Nice To Haves

Familiarity with Git, Jenkins CI/CD, Terraform, Docker, and automation pipelines.
Experience with STIG compliance and security patching.
Working knowledge of AWS-hosted environments and cloud-native services.
Scripting experience with Shell, Perl, or PowerShell and comfort with automation tooling.
Strong Terraform experience, including modules, state management, and reusable IaC, and Ansible knowledge.
Exposure to observability and logging platforms such as Splunk or CloudWatch.

Responsibilities

Build and manage AWS infrastructure across multi-account, multi-environment landing zones, including systems management and solution design.
Install, configure, deploy, and maintain servers, software, and supporting platforms.
Monitor system performance, troubleshoot issues, and support reliable day-to-day operations.
Manage access controls, backups, firewalls, and compliance tasks to strengthen infrastructure security.
Collaborate with application, data, and security teams within a SAFe Agile delivery model.
Support IaaS, infrastructure as code, networks, and firewalls to maintain secure and scalable environments.
Perform upgrades and IAVA patching, and ensure STIG compliance.
Maintain systems according to contract requirements, including proactive performance and availability monitoring.
Investigate and resolve system outages and technical issues.
Manage AWS cloud resources to support program needs and evolving mission requirements.
Develop and maintain internal technical documentation, system manuals, and IT policies.
Contribute to multi-region disaster recovery planning, backup automation, failover design, and resilience engineering.