OT Security Analyst for Critical Infrastructure

City of San Marcos, TX; San Marcos (TX); On-site; USD 90,000 - 130,000; Full time

Job summary

City of San Marcos, TX is seeking a Security Analyst (Operational Technology) to bolster cybersecurity resilience across IT and OT, including SCADA and industrial control environments supporting electric, water, and wastewater operations. You will implement and monitor controls, assess threats, and coordinate with Operations and IT.

The role emphasizes risk-based security, incident response, OT/ICS familiarity, and participation in tabletop exercises and regulatory reporting to protect essential

Responsibilities

• Maintains security systems and infrastructure to ensure confidentiality, integrity, and availability of City technology environments.
• Monitors security systems, applications, and logs to identify potential threats and supports security improvements.
• Reviews vulnerability and risk assessments and recommends remediation aligned with least-privilege principles.
• Maintains security policies, documentation, and reporting practices and ensures accuracy and completeness.
• Responds to cybersecurity incidents by analyzing events and aiding containment and remediation.
• Participates in OT risk assessments, threat modeling, compliance audits, and regulatory reports.
• Collaborates with Operations, Engineering, IT, and SOC to align OT security with operational needs.

Job description

City of San Marcos, TX is seeking a Security Analyst (Operational Technology) to bolster cybersecurity resilience across IT and OT, including SCADA and industrial control environments supporting electric, water, and wastewater operations. You will implement and monitor controls, assess threats, and coordinate with Operations and IT.

The role emphasizes risk-based security, incident response, OT/ICS familiarity, and participation in tabletop exercises and regulatory reporting to protect essential