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# AWS Cloud System Administrator

- **Company:** CACI International Inc.
- **Location:** Aberdeen, MD, United States
- **Experience:** Expert
- **Salary:** $69,600.0 - $142,700.0
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Amazon Web Services, Amazon Elastic Compute Cloud, Amazon S3, Audit Trail, Backup Devices, Cloud Computing, Software Documentation, Linux, Monitoring of Systems, Identity and Access Management, Internet Information Services (IIS), Network Security, PostgreSQL, Linux System Administration, Microsoft SQL Server, Red Hat Enterprise Linux, Data Logging, Scripting, Load Balancing, HybridCloud, Information Technology, Cloudwatch, Network Server
- **Published:** October 20, 2026
- **Apply:** https://www.dice.com/job-detail/d9583fd5-8d1d-48b9-804a-e332928ab0ff

## About the Role

Required:
Active DoD Secret security clearance with ability to obtain TS/SCI.

Bachelor's degree in Information Technology, Computer Science, or related field; eight years of relevant experience may substitute for a degree.

Five or more years of systems administration experience supporting Windows, Linux, cloud, or hybrid environments.

Relevant Information Assurance certification in accordance with DoDM 8140.03, as applicable to assigned duties.

Experience administering Windows enterprise environments and RHEL.

Experience supporting IIS web servers.

Familiarity with AWS services and cloud concepts, including EC2, S3, VPCs, IAM, monitoring, and logging.

Ability to document technical processes, troubleshoot independently, and learn new technologies quickly.

Experience working in a classified laboratory or similarly controlled environment.

Desired:
Active DoD TS/SCI clearance.

AWS Cloud Practitioner or other AWS certification.

Hands-on AWS administration experience.

Experience supporting firewall technologies or network-security devices.

Experience with automation/scripting, Microsoft SQL Server, or PostgreSQL.

## Description

CACI is seeking a Systems Administrator - Hybrid Cloud to support the EW Reprogramming Major Subordinate Command (MSC) at Aberdeen Proving Ground, Maryland.
Support AWS cloud and on-premises Windows/Linux infrastructure for Army Electronic Warfare reprogramming efforts. Perform systems administration, infrastructure sustainment, troubleshooting, monitoring, and technical documentation in a classified RDT&E environment.
Join an integrated team supporting mission-critical systems and evolving technical requirements. Ideal candidates bring strong Windows/Linux administration skills and the ability to learn AWS cloud administration quickly.

Responsibilities:
Administer and sustain hybrid Windows, Red Hat Enterprise Linux (RHEL), and AWS cloud environments.

Install, configure, patch, monitor, troubleshoot, and maintain servers and infrastructure services.

Support AWS services including EC2, S3, VPCs, IAM, security groups, CloudWatch, CloudTrail, and load balancing.

Administer IIS web servers and support hosted applications.

Monitor system performance, logs, configurations, backups, and capacity.

Develop and maintain backup, restoration, and disaster-recovery procedures.

Troubleshoot system, network, and connectivity issues using available monitoring tools.

Support approved firewall technologies and network-security configurations.

Create and maintain system documentation, standard operating procedures, and troubleshooting guides.

Work independently to resolve technical issues and learn new technologies supporting mission needs.