> Markdown version of [/jobs/ext/4706259-cloud-systems-administrator](https://www.wearedevelopers.com/jobs/ext/4706259-cloud-systems-administrator). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Cloud Systems Administrator - **Company:** CACI International Inc. - **Location:** St. Louis, MO, United States - **Experience:** Experienced - **Salary:** $75,200 - $158,100 - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Amazon Web Services, Amazon Elastic Compute Cloud, Amazon S3, Batch Processing, Software as a Service, Cloud Computing, Cyber Security, Databases, Linux, File Systems, IBM Cognos Business Intelligence, Linux Servers, Cloud Services, Software Deployment, Scripting, Load Balancing, Cloud Platform System, User Accounts - **Published:** November 13, 2026 - **Apply:** https://dejobs.org/x/x/3054C127A5584A568EBD410B5B3C462F/job/ ## About the Role * BS degree in CS, IS, engineering, or other technical discipline, and three years' experience. * AWS Certified Cloud Practitioner * Strong technical background with a thorough understanding of cloud infrastructure, IT security principles, compute, storage, and transport. * Expertise in Windows and Linux server operating systems. * Interpersonal communication, problem solving, organizational, customer-oriented, and multi-tasking skills. * Ability to work as part of a high functioning team, under the supervision of a technical subject matter expert, as well as independently. * Must be available for after hours and on-call support. * Visual acuity to work on a computer for extended periods of time, ability to move from one workstation to another, and communicate with colleagues and customers. * TS/SCI clearance and ability to successfully complete a polygraph. Desired Qualifications: * AWS Certified Solutions Architect Associate or Professional * Experience with Momentum, Cognos, and the customer's programs and facilities. ## Description Serve as a Cloud Systems Administrator supporting our National Security Mission. You will oversee and provide system administration, integration, maintenance and customer support on the customer's Enterprise Development, Test, and Production systems. This position has a special emphasis on Amazon Web Services (AWS) and Corporate and Financial Business systems., * Build, deploy, configure, and maintain cloud-based applications running on Windows and Linux operating systems and leveraging cloud services such as EC2, EBS, ELB, S3, and RDS. Provision stable AMIs, perform software installations, application upgrades, troubleshooting and maintenance. * Manage and oversee day-to-day cross-domain file transfers and batch processes. * Resolve a wide range of complex system failures addressing incident tickets in accordance with established procedures and Acceptable Quality Levels (AQLs). * Automate critical production processes through a variety of industry standard methods - cloud services, application, operating system, and scripting. * Achieve optimum system performance, availability, and security by assessing, identifying, implementing, and managing innovative technical, cloud, and cost-optimized solutions. * Execute cloud infrastructure modifications (i.e., storage, load balancing, instance resizing/tuning) with zero downtime and customer impact. * Coordinate systems maintenance in advance with customer and program offices to ensure balance between operational requirements and critical infrastructure, application, and security modifications. * Proactively monitor and review systems, security, and application logs, using a variety of methods, to mitigate risk and maintain compliance with NIST and IC directives. * Maintain close coordination with technical leads to maintain/adopt industry best practices/standards. * Perform backups and restores of operating, file, and database systems using established methods. Maintain user accounts and file systems.