





Niche OT SIEM skillset but mid-level role at a known employer increases applicant density.
Highly specialized OT and SIEM expertise limits cross-industry transferability.
Mandatory 5+ years, SIEM and OT protocol expertise, plus certifications raise filter strictness.
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Design, implement, configure, and test SIEM and SOAR systems specifically for OT/ICS cybersecurity environments.
Integrate various OT data sources and develop custom parsers, normalizers, and correlation rules for effective OT security threat detection.
Collaborate with OT operations, engineering, and IT security teams to optimize OT SIEM platforms, generate actionable security insights, and maintain documentation.
5+ years of experience integrating OT data sources with enterprise SIEM platforms.
Demonstrated experience with SIEM platforms (e.g., Sumo Logic, Palo Alto Cortex XSOAR) including architecture, configuration, and rule development.
Strong knowledge of OT protocols (Modbus, DNP3, IEC 61850), ICS systems (PLC, SCADA, DCS), and OT logging mechanisms.
Willingness to work shift hours: 12:00 PM to 09:00 PM.
Experienced in parsing and normalizing complex OT log formats and scripting (Python, PowerShell) for SIEM automation.
Familiarity with OT security frameworks and standards such as NIST SP 800-82 and IEC 62443, plus relevant certifications (GICSP, GRID, CISSP, or SIEM-specific).
Capable of collaborating across multiple business units and adapting to evolving technology dependencies in industrial cybersecurity environments.