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Join to apply for the Information Technology System Administrator role at Recru 17 hours ago Be among the first 25 applicants Join to apply for the Information Technology System Administrator role at Recru Direct message the job poster from Recru Hybrid schedule - office located in the Post Oak/Galleria area 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. Hybrid or on-site depending on business needs. Occasional travel to field or plant sites required. Seniority level Seniority level Associate Employment type Employment type Contract Job function Job function Information Technology Industries IT Services and IT Consulting Referrals increase your chances of interviewing at Recru by 2x Inferred from the description for this job Medical insurance Vision insurance 401(k) Disability insurance Get notified about new Information Technology System Administrator jobs in Greater Houston . Entry Level IT Helpdesk and System Administrator Houston, TX $70,000.00-$80,000.00 1 day ago Houston, TX $55,000.00-$59,999.00 1 week ago System Administrator - Part Time - Remote Houston, TX $75,000.00-$80,000.00 1 month ago Houston, TX $60,000.00-$70,000.00 1 day ago System Administrator IV (Planned Position) Greater Houston $100,000.00-$115,000.00 3 months ago Houston, TX $140,000.00-$150,000.00 1 week ago Houston, TX $100,000.00-$120,000.00 1 day ago IT Access Administrator (Contract to Hire) Houston, TX $90,000.00-$110,000.00 2 weeks ago Houston, TX $60,000.00-$85,000.00 3 weeks ago Houston, TX $85,000.00-$100,000.00 1 day ago Houston, TX $75,975.00-$126,625.00 1 week ago We’re unlocking community knowledge in a new way. Experts add insights directly into each article, started with the help of AI. #J-18808-Ljbffr