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Senior Linux Systems Administrator

Highrise Consulting Inc

Full-time

Bethesda, MD

Job description

Description:

Highrise Consulting, Inc. (www.highriseconsulting.com) is seeking a full-time Senior Linux Systems Administrator to work remotely from the United States supporting NIH (National Institutes of Health) client in Bethesda, MD.

  • Provide Linux and AWS cloud engineering solutions in a complex application environment, designing automation and productivity tools to support multiple lower environments and the production environment and maintain 24/7 availability of mission-critical systems
  • Work with developers to test, troubleshoot and provide technical assistance with Tomcat based applications
  • Work with the developers and systems engineering teams on troubleshooting and managing Java applications running in EKS clusters and on EKS cluster administration and optimization
  • Support the agency’s AWS hosting environment, including managing ownership of AMI creation and lifecycle management, EC2 testing and rollout, system hardening, and configuration management
  • Follow proactive monitoring/maintenance policies and procedures, design and maintain backup and redundancy systems
  • Participate in the monthly on-call rotation to support the Production environment
  • Provide incident response / troubleshooting for Linux servers running in AWS environment
  • Develop processes and procedures for ongoing management of the Linux server environments, including automated OS patching, automated system updates, automated installation of third-party COTS products, disaster recovery, user account management
Requirements:
  • 8+ years of experience administering RedHat Enterprise Linux 7/8/9 and/or Amazon Linux 2/2023 in an enterprise environment
  • 3+ years of AWS infrastructure management, and excellent understanding of AWS architecture and best practices
  • 3+ years of experience with automation using Ansible, Puppet, AWS Systems Manager, CloudFormation or similar tools
  • Strong scripting skills in Shell and Python
  • Must have excellent scripting and troubleshooting skills
  • Excellent problem solving and analytical skills with the ability to effectively troubleshoot, resolve, or escalate problems
  • Must be able to pass a background investigation and qualify for a Public Trust clearance