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Cloud Systems Administrator

Job in St. Louis, Saint Louis, St. Louis city, Missouri, 63105, USA
Listing for: CACI
Full Time position
Listed on 2026-10-13
Job specializations:
  • IT/Tech
    Systems Administrator, Cloud Computing: Infrastructure & Operations
Salary/Wage Range or Industry Benchmark: 75000 - 158000 USD Yearly USD 75000.00 158000.00 YEAR
Job Description & How to Apply Below
Location: St. Louis

The Opportunity

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.

Responsibilities
  • 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.

Qualifications

Required Qualifications
  • 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.

What You Can Expect

A culture of integrity.

At CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose – to ensure the safety of our nation.

An environment of trust.

CACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.

A focus on continuous growth.

Together, we will advance our nation's most critical missions, build on our lengthy track record of…

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