OT Cyber Analyst: IACS Security & Incident Response

HF Sinclair Corporation; El Dorado (KS); On-site; USD 120,000 - 180,000; Full time

Benefits offered by this job

Medical Insurance

Vision Insurance

401(k) Retirement Plan

Job summary

HF Sinclair Corporation seeks an OT Cyber Analyst to strengthen security, visibility, and resilience of IACS across multiple HF Sinclair sites. You will interpret telemetry, risks, and advisories, recommending improvements to monitoring, vulnerability management, and secure access.

The role partners with OT, IT, operations, and vendors to reduce fleet-wide risk. Qualified candidates bring 5+ years in cybersecurity/OT, knowledge of ISA/IEC 62443, and hands-on experience with SIEM, Syslog, and

Qualifications

• Minimum 5 years in cybersecurity/OT security or related fields.
• Experience with ISA/IEC 62443 fundamentals and OT security concepts preferred.
• Strong telemetry, monitoring, and reporting capabilities across OT environments.

Responsibilities

• Oversee OT cybersecurity monitoring across fleet environments (SIEM, Syslog, endpoints).
• Lead incident response investigations, root-cause analysis, and remediation actions.
• Develop and maintain OT security use cases, alerts, dashboards, and escalation procedures.
• Improve OT asset visibility, vulnerability management, and coverage across sites.
• Coordinate with OT, operations, IT, and vendors to strengthen security controls.

Skills

OT security

Industrial control

Threat monitoring

Incident response

Vulnerability management

Asset visibility

Communication

Education

Bachelor's degree in cybersecurity

OT/industrial experience

Tools

Syslog

SIEM

Endpoint protection

Vulnerability tooling

Dashboards

Asset inventory

Job description

HF Sinclair Corporation seeks an OT Cyber Analyst to strengthen security, visibility, and resilience of IACS across multiple HF Sinclair sites. You will interpret telemetry, risks, and advisories, recommending improvements to monitoring, vulnerability management, and secure access.

The role partners with OT, IT, operations, and vendors to reduce fleet-wide risk. Qualified candidates bring 5+ years in cybersecurity/OT, knowledge of ISA/IEC 62443, and hands-on experience with SIEM, Syslog, and