Linux System Administrator

Houston, Texas

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Job Title: IT/OT System Administrator - Linux

Position Summary:

We are seeking a skilled IT/OT System Administrator to support and manage the deployment, configuration, and maintenance of servers and systems within our clients operational technology (OT) and information technology (IT) environment. This role requires a proactive and detail-oriented individual with strong expertise in both Linux and Windows server environments, including installation, security patching, and system troubleshooting.

Key Responsibilities:
  • Install, configure, and maintain Linux and Windows servers and systems across IT and OT networks.
  • Perform system upgrades, apply security patches, and maintain firmware on physical and virtual servers.
  • Monitor server performance, troubleshoot issues, and resolve system errors to ensure high availability.
  • Collaborate with network, cybersecurity, and SCADA/ICS teams to ensure stable and secure IT/OT operations.
  • Maintain system documentation, network diagrams, and standard operating procedures.
  • Manage user access controls and enforce cybersecurity policies.
  • Support backup, disaster recovery, and restore processes for all critical systems.
  • Provide remote and on-site support for plant and field locations as needed.
Required Qualifications:
  • Proven experience with Linux (e.g., Ubuntu, Red Hat, CentOS) and Microsoft Windows Server systems.
  • Strong command-line skills and experience with shell scripting (e.g., Bash or PowerShell).
  • Proficiency in system monitoring, log analysis, and performance tuning.
  • Experience in virtualization platforms (e.g., VMware, Hyper-V).
  • Understanding of IT/OT environments, including SCADA and industrial control systems.
  • Familiarity with cybersecurity practices and frameworks (e.g., NERC CIP is a plus).
  • Excellent troubleshooting, documentation, and communication skills.
Preferred Qualifications:
  • Relevant certifications such as CompTIA Linux+, Microsoft Certified: Windows Server, or Red Hat Certified System Administrator (RHCSA).
  • Experience working in regulated environments or the energy/industrial sector.
Work Environment:
  • Hybrid environment
  • Travel to field and plant sites up to 40%
This is a year long contract with potential to go full-time. Candidate must be a USC or Green Card holder

Date Posted: 06 May 2025
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