Senior Red Hat Linux Administrator

Unicorn Technologies LLC; Charlotte (NC); Hybrid; USD 110,000 - 160,000; Full time

Job summary

Unicorn Technologies LLC seeks a Senior Red Hat Linux Administrator to join a hybrid work team in Charlotte, NC. The role focuses on patching, hardening, and automation across a large Hadoop ecosystem in a high‑availability enterprise setting.

You will implement Ansible, BladeLogic, and Cloudera admin tooling while supporting remote collaboration and complex Linux provisioning. Bring 8+ years of experience to ensure secure, reliable operations.

Qualifications

• 8+ years of hands-on Linux system administration in enterprise environments.
• Red Hat Enterprise Linux (RHEL) 8.x / 9.x.
• OS patching, upgrades, and system hardening.
• Proficiency in automation and scripting (Ansible, Bash).
• Experience managing large-scale environments (1000 servers).
• Strong Linux builds and provisioning, filesystem management (LVM, XFS).
• Performance monitoring and tuning.
• Experience with remote/distributed teams.
• Experience with Big Data technologies (Cloudera).
• Cloud/OpenShift/Docker related certifications.

Responsibilities

• Manage patching and upgrades across a 1000-server Hadoop ecosystem.
• Automate workflows and troubleshoot in a high‑availability enterprise environment.
• Collaborate effectively with remote and distributed teams.
• Maintain system hardening, performance tuning, and Linux provisioning.

Skills

Red Hat Linux

Linux administration

Automation

Ansible

BladeLogic

Shell scripting

Hadoop cluster

RHEL 8/9

Remote collaboration

Performance tuning

Tools

Ansible

BladeLogic

Cloudera Admin

OpenShift

Docker

Job description

Job Title: Senior Red Hat Linux Administrator

Job Location: Charlotte, NC (3 Days onsite, 2 Days work from home) hybrid role.

Job Descriptions:

The Enterprise Global Markets Data Platform continues to experience sustained and accelerating growth. In parallel, the security landscape is shifting like never before, and the need to ensure all patching and compliance is up to date is paramount. This role is essential to strengthen our ability to manage patching and compliance holistically, while ensuring alignment with approved policies and procedures. The position operates horizontally across the EDAP Global markets Data Platform, supporting multiple environments

Strong expertise in:

• We are seeking a highly experienced Red Hat Linux Administrator to support large-scale patching, upgrades, and operational management of a 1000 server Hadoop ecosystem running on RHEL 8.x and 9.x.
• The role requires strong automation skills, hands-on troubleshooting expertise, and the ability to operate effectively in a high-availability enterprise environment
• 8 years of hands-on experience in Linux system administration in enterprise environments.
• Red Hat Enterprise Linux (RHEL) 8.x / 9.x
• OS patching, upgrades, and system hardening
• Proficiency in automation and scripting:
• Ansible
• BladeLogic
• Bash / Shell scripting
• Experience managing large-scale environments (1000
• servers preferred).
• Strong experience with:
• Linux builds and provisioning
• Filesystem management (LVM, XFS, etc.)
• Performance monitoring and tuning
• Experience working in remote / distributed team environments.
• Experience working on Big Data Technologies
• Cloudera Admin / Dev Certification
• Certification in Cloud, Docker-Container, OpenShift Technologies