Industrial Control Systems Administrator

3 weeks ago


Irvine, California, United States Irvine Ranch Water District Full time
Job Overview

The Irvine Ranch Water District seeks a highly skilled Industrial Control Systems Administrator to join its team. This role is responsible for the design, installation, configuration, optimization, administration, maintenance, cybersecurity protection, and continuous 24/7 operation of the IRWD Industrial Control System/Supervisory Control and Data Acquisition (ICS/SCADA) system, computer networks, and network equipment.

Responsibilities
  • Network and Server Infrastructure Management:
    • Deploy, upgrade, patch, monitor, and maintain the network, firewall, routers, switches, IDS, IPS server, and virtualization technology.
    • Monitor network and server performance and report issues for resolution.
    • Configure and manage network devices and operating systems under guidance to maintain a secure infrastructure.
  • SCADA Application Administration:
    • Install, configure, upgrade, patch, and maintain SCADA applications and related components to support critical industrial processes.
    • Troubleshoot basic SCADA-related issues and escalate complex problems to senior team members.
    • Support optimization efforts for SCADA applications as directed by senior team members.
  • Cybersecurity:
    • Assist in segmenting the network using standard security models and best practices.
    • Install and configure cybersecurity hardware and software applications as per the direction of Senior SCADA Network Administrators and Cybersecurity Analyst.
    • Conduct regular vulnerability scanning and assist in penetration testing to identify and remediate security vulnerabilities.
    • Monitor network traffic and server logs to identify and report potential security incidents.
    • Stay up to date with emerging threats and security best practices relevant to ICS/OT systems.
  • Troubleshooting and Support:
    • Investigate and resolve basic network and server issues, escalating more complex issues to senior team members.
    • Collaborate with cross-functional teams to support troubleshooting efforts.
    • Provide technical guidance and support to staff.
  • Change Management:
    • Develop and maintain network and server documentation, including diagrams, configurations, and standard operating procedures (SOPs).
    • Participate in change management processes and ensure all changes are properly documented, tested, and implemented in a controlled manner.
    • Assist in conducting audits to ensure compliance with policies.


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