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AWS Systems Administrator

Job in St. Louis, Saint Louis, St. Louis city, Missouri, 63105, USA
Listing for: Socket.dev
Full Time position
Listed on 2026-08-03
Job specializations:
  • IT/Tech
    AWS, Systems Administrator, Cybersecurity, Cloud Computing: Infrastructure & Operations
Salary/Wage Range or Industry Benchmark: 120000 - 149000 USD Yearly USD 120000.00 149000.00 YEAR
Job Description & How to Apply Below
Location: St. Louis

The Opportunity:

We are looking for an AWS System Administrator to work on Enterprise Cross-Domain Systems and associated projects. These systems provide reliable data transfers between domains for general users and programs. In this role, you will be responsible for the day-to-day administration and maintenance of our AWS infrastructure. You will ensure the availability, performance, and security of our cloud-based systems and applications.

Responsibilities:
  • Manage AWS resources:
    Provision, configure, and manage AWS resources such as EC2 instances, EBS volumes, VPCs, security groups, and IAM roles.
  • Monitor system performance:
    Monitor system performance metrics, identify and troubleshoot issues, and implement corrective actions.
  • Maintain system security:
    Implement and enforce security best practices, including access control, data encryption, and vulnerability management.
  • Automate tasks:
    Automate routine administrative tasks using scripting languages (e.g., Python, Bash) and AWS tools (e.g., AWS CLI, Cloud Formation).
  • Troubleshoot and resolve issues:
    Diagnose and resolve technical issues related to AWS infrastructure and applications.
  • Implement and maintain backups:
    Implement and maintain backup and recovery procedures for AWS resources.
  • Stay current with AWS technologies:
    Keep abreast of the latest AWS services, features, and best practices.
  • Collaborate with teams:
    Work closely with development, operations, and security teams to ensure smooth and efficient operations.
Qualifications:
  • 4-6 years of relevant experience.
  • Bachelor’s Degree in a Technical field (i.e. Information Technology, Information Systems, Computer Science)
  • DoD 8140.01 / DoD 8570.01-M.IAT Level II Certification
  • Active TS/SCI Clearance (must obtain a CI Poly within 6 months of start date) (US Citizenship required)
Additional Details
  • This position has an anticipated salary range of $120,000–$149,000 per year. Actual compensation will be determined based on factors including experience, qualifications, skills, education, certifications, and business needs.
  • Crimson Phoenix offers a comprehensive benefits package, including medical, dental, and vision insurance, a 401(k) with company match, generous paid time off, company-paid life and disability insurance, tuition reimbursement, professional development opportunities, employee recognition programs, and additional wellness and work-life benefits.
  • U.S. citizenship and the ability to obtain or maintain a security clearance may be required for certain positions.

Crimson Phoenix is an Equal Opportunity Employer. We make employment decisions without regard to race, color, religion, sex, national origin, age, disability, veteran status, or any other status protected by applicable law.

Crimson Phoenix participates in E-Verify.

About Crimson Phoenix

Crimson Phoenix provides state of the art Information Technology & Intelligence solutions for the Federal Civilian Sector, Department of Defense, and Intelligence Community. We specialize in Web Development, Graphic Design, Software Engineering, System Engineering, Training, Intelligence Analysis, Data Science, and Instructional Systems Design.

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