Senior AWS Systems Administrator (RHEL/Linux)

CACI

St. Louis (MO)

On-site

USD 75,000 - 158,000

Full time

14 days+

Get a reply from this employer

Your resume and cover letter, tailored to exactly what they’re hiring for.

Get past ATS filters

Job summary

CAC I is seeking an AWS System Administrator to support Enterprise Cross-Domain Systems and manage day-to-day AWS infrastructure for reliable, secure cloud services. You will ensure availability, performance, and security of cloud-based applications across domains.

Responsibilities include provisioning AWS resources, managing RHEL-based servers, scripting with Python/Bash, backup procedures, and cross-team collaboration with development, operations and security to maintain trusted data

Qualifications

Bachelor’s degree in Information Technology, Information Systems or Computer Science.
5+ years of relevant experience.
DoD 8140.01 / DoD 8570.01-M IAT Level II Certification.
Active TS/SCI security clearance (must obtain polygraph within 6 months).
Strong hands-on experience with Red Hat Enterprise Linux (RHEL) 7/8/9 administration.

Responsibilities

Provision, configure, and manage AWS resources (EC2, EBS, VPCs, security groups, IAM).
Administer Linux/RHEL systems and patch management.
Monitor performance and troubleshoot issues.
Implement security best practices and data encryption.
Automate tasks with Python/Bash and AWS tools (CLI, CloudFormation).
Diagnose and resolve AWS/Linux issues.
Maintain backups and recovery procedures.
Keep up with AWS services and best practices.
Collaborate with development, operations, and security teams.