Senior Linux System Administrator

Prophecy Technologies

$95K — $115K *
Information Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • 6-8 years of experience with L3-level expertise in Red Hat Enterprise Linux.
  • Strong knowledge of clustering environments.
  • Hands-on experience with automation using Ansible.
  • Familiarity with Amazon Web Services (AWS) is preferred.
  • Excellent collaboration and teamwork skills.

Responsibilities

  • Provide L3-level support for mission-critical Linux systems.
  • Troubleshoot complex OS, storage, network, and application issues.
  • Manage Red Hat Cluster environments for high availability.
  • Conduct root cause analysis and implement preventive measures.
  • Automate tasks using Ansible for efficiency.
  • Implement system hardening and apply security best practices.
  • Support cloud-based Linux workloads in AWS.

Benefits

  • Opportunity to work in mission-critical environments.
  • Exposure to advanced clustering techniques and automation tools.
  • Collaboration with cross-functional teams including application and security.
  • On-call rotation for hands-on experience in 24x7 production support.
  • Continuous learning in cloud technologies with AWS.
Full Job Description
Role Overview:

This role is for a Linux Subject Matter Expert (SME) with strong L3-level expertise in Red Hat Enterprise Linux. The successful candidate will provide critical support for mission-critical Linux systems, troubleshoot complex issues, manage clustering environments, and automate tasks using Ansible, while also supporting cloud-based Linux workloads in AWS.

Key Responsibilities:
  • Provide L3-level support for Red Hat Enterprise Linux systems in mission-critical environments.
  • Troubleshoot complex OS, performance, storage, network, and application-level issues.
  • Manage and support Red Hat Cluster environments ensuring high availability and business continuity.
  • Perform root cause analysis (RCA) and implement preventive measures.
  • Automate system administration and configuration management tasks using Ansible.
  • Implement system hardening, patching, upgrades, and security best practices.
  • Work on system performance tuning and capacity planning.
  • Collaborate with application, network, storage, and security teams.
  • Support cloud-based Linux workloads in AWS (EC2, EBS, VPC, IAM - good to have).
  • Participate in on-call rotation and provide 24x7 production support.
  • Prepare and maintain technical documentation.

Required Skills:
  • Linux Subject Matter Expert (SME) with strong L3-level expertise in Red Hat Enterprise Linux.
  • Strong clustering knowledge.
  • Automation experience using Ansible.
  • Working knowledge of Amazon Web Services (AWS).
  • Strong collaboration skills.

Qualifications:
  • 6-8 years of experience.
  • L3-level expertise in Red Hat Enterprise Linux.

Preferred Skills:
  • Unix / Linux Basics and Commands.
  • RedHat Linux.

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