Linux Administrator

Red Sun Technology; Annapolis (MD); On-site; USD 120,000 - 140,000; Full time

Job summary

Red Sun Technology seeks a highly experienced Senior Red Hat Linux Administrator to manage enterprise-wide RHEL environments. You'll optimize system performance and ensure security compliance while collaborating with cross-functional teams and participating in on-call rotations.

Qualifications

• 10+ years of experience as a Red Hat system administrator.
• 10+ years of experience with Unix (AIX) IBM pSeries systems.
• 15+ years of total IT experience.

Responsibilities

• Install, configure, and maintain RHEL systems.
• Perform system upgrades, patching, and security hardening.
• Develop and maintain automation scripts.

Skills

System configuration

Automation

Performance tuning

Security compliance

Troubleshooting

Leadership

Education

Bachelor's or postgraduate degree in Engineering or Computer Science

Red Hat Certified System Administrator (RHCSA)

Red Hat Certified Engineer (RHCE)

Tools

Ansible

Bash

Python

Job description

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Direct message the job poster from Red Sun Technology

Red Sun Technology is seeking a highly experienced Senior Red Hat Linux Administrator to manage and optimize enterprise-wide Red Hat Enterprise Linux (RHEL) environments. The role demands expertise in system configuration, automation, performance tuning, and security compliance while supporting mission-critical applications. The consultant will be expected to participate in on-call rotations, collaborate with cross-functional teams, and contribute to system design and documentation.

Minimum Qualifications:

• Bachelor’s or postgraduate degree in Engineering, Computer Science, or related field (non-related: Agricultural Economics, MBA)
• Red Hat Certified System Administrator (RHCSA) or Red Hat Certified Engineer (RHCE), with a valid Certification ID

Preferred Qualifications:

• 10+ years of experience as a Red Hat system administrator
• 10+ years of experience with Unix (AIX) IBM pSeries systems
• 15+ years of total IT experience

Scope of Work:

• Install, configure, and maintain RHEL systems in development, testing, and production
• Perform system upgrades, patching, and security hardening
• Develop and maintain automation scripts using Ansible, Bash, or Python
• Configure Red Hat Satellite and Identity Management (IdM)
• Ensure systems comply with organizational and security standards
• Support application teams and contribute to deployment strategies
• Maintain documentation and participate in incident response
• Configure NFS, mount points, and schedule Cron jobs

Preferred Technical Experience:

• Oracle WebLogic, Oracle DB, Progress 4GL/OpenEdge, Apache, vSphere
• Rubrik backup systems and Oracle DB backups
• PeopleSoft, Mobius, Elastic Search, Oracle OBI
• CVS version control
• Red Hat performance tuning, load balancing, and DR/backup strategies
• Red Hat support, application development, and electronic imaging systems

Soft Skills & Capabilities:

• Team-oriented with leadership skills
• User and helpdesk interface experience
• Strong troubleshooting abilities across OS, database, and applications

If interested please apply with resume.

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Contract

Job function

• Job function

  Information Technology

• Industries

  Technology, Information and Internet

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