Senior Linux Administrator Job at Compunnel Inc., Annapolis, MD

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  • Compunnel Inc.
  • Annapolis, MD

Job Description

Scope of Work

The selected consultant will:

  • Install, configure, and maintain Red Hat Enterprise Linux (RHEL) servers across all environments.
  • Perform system upgrades, patching, and security hardening.
  • Monitor and optimize system performance and uptime.
  • Automate tasks using Ansible, Bash, or Python.
  • Manage Red Hat Satellite, Identity Management (IdM), and related ecosystem tools.
  • Work with security teams to ensure compliance and protection against vulnerabilities.
  • Maintain storage, backup, and disaster recovery systems.
  • Support application teams with best practices for Linux deployments.
  • Document system configurations, procedures, and troubleshooting methods.
  • Provide on-call support and participate in incident resolution.
  • Set up NFS (Network File Server) and mount points.
  • Configure cron jobs for both system and application-level tasks.

Preferred Qualifications

  • 10+ years of experience as a Red Hat system administrator.
  • 10+ years administering Unix (AIX) IBM pSeries systems.
  • 15+ years of overall experience in the Information Technology (IT) field.

Skills, Experience & Capabilities

Technical Experience

  • Administering:
  • Red Hat Linux in complex network environments
  • Unix (AIX) on IBM pSeries systems
  • Applications including:
  • Oracle WebLogic, Oracle DB
  • Progress 4GL/OpenEdge
  • Apache Web Servers
  • vSphere-hosted RHEL Servers
  • Rubrik, Oracle backup systems
  • PeopleSoft, Mobius, Elastic Search, Oracle OBI
  • CVS (Concurrent Version System)
  • Performance tuning, load balancing, disaster recovery
  • 24/7 system availability support
  • Application development and Red Hat support
  • Electronic imaging support

Soft Skills

  • Team collaboration and leadership
  • Clear and effective communication with technical and non-technical stakeholders
  • User support and helpdesk interaction
  • Backup/recovery and networking methodologies
  • Troubleshooting across OS, database, and application layers

Knowledge Areas

  • Advanced Red Hat Linux administration, configuration, and tuning

Education

  • Bachelor’s or postgraduate degree in engineering, computer science, or a related field (as defined by AOC).
  • Degrees not considered related: B.S. in Agricultural and Resource Economics, M.B.A.

Active Certifications

  • Red Hat Certified Systems Administrator (RHCSA) or Red Hat Certified Engineer (RHCE)
  • Must be issued by Red Hat.
  • Can be current or non-current, but must include a valid certification ID.

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