Operational Technology (OT) Incident Response Consultant

About Us Sophos is a cybersecurity leader defending 600,000 organizations globally with an AI-driven platform and expert-led services. Sophos meets organizations wherever they are in their security maturity and grows with them to defeat cyberattacks. Its solutions combine machine learning, automation, and real-time threat intelligence with frontline human expertise from Sophos X-Ops to deliver advanced, 24/7 threat monitoring, detection, and response.

Sophos offers industry-leading managed detection and response (MDR) alongside a comprehensive portfolio of cybersecurity technologies — including endpoint, network, email, and cloud security, extended detection and response (XDR), identity threat detection and response (ITDR), and next-gen SIEM. Together with expert advisory services, these capabilities help organizations proactively reduce risk and respond faster, with the visibility and scalability needed to stay ahead of evolving threats.

Sophos goes to market with a global partner ecosystem, including Managed Service Providers (MSPs), Managed Security Service Providers (MSSPs), resellers and distributors, marketplace integrations, and cyber risk partners, giving organizations the flexibility to choose trusted relationships when securing their business. Sophos is headquartered in Oxford, U.K. More information is available at www.sophos.com.

Incident Response & Threat Investigation Investigate and response of high-severity OT security incidents. Perform root cause analysis to determine threat origin, attack scope, and affected assets. Conduct threat analysis across industrial environments. Analyze network traffic, system logs, and security events to identify malicious activity and attack patterns. Research emerging threat actors, attack campaigns, and OT-specific tactics, techniques, and procedures (TTPs). Detection Engineering & Security Monitoring Develop and enhance OT-specific detection use cases and threat detection procedures. Tune and optimize alerts generated by OT security controls to improve detection accuracy and reduce noise. Correlate information from security platforms, threat intelligence feeds, network telemetry, and other data sources. Support the implementation and continuous improvement of SIEM monitoring strategies, escalation workflows, and alerting mechanisms. OT Security Consulting & Advisory Serve as a Subject Matter Expert (SME) during OT cybersecurity incidents and security engagements. Provide technical recommendations for remediation, mitigation, and risk reduction. Support customers in strengthening their OT cyber security programs, processes, and operational procedures. Assist with the design and implementation of proactive OT security controls and monitoring capabilities. Contribute to the development of new security capabilities, tools, and automation initiatives. Stay current with OT security trends, vulnerabilities, defensive technologies, and industry best practices.

Technical Experience Experience working in cybersecurity, incident response, security operations or threat detection environments. Desirable to have a minimum 2 years of experience supporting industrial control systems such as PLCs, RTUs, DCS, SIS, SCADA, HMI, MES, or Historians. Understanding of OT and ICS architectures and operational environments. Experience investigating security incidents and performing root cause analysis. Hands-on experience with SIEM technologies, event monitoring, detection use cases, alert tuning, escalation workflows, and threat intelligence. Experience analyzing firewall logs, IDS/IPS events, system logs, network telemetry, and security events. Solid understanding of network protocols including TCP/IP and UDP. Familiarity with industrial communication protocols such as Modbus, DNP3 and other specific ICS protocols. Understanding of the Purdue Enterprise Reference Architecture model. Ability to conduct network traffic analysis and identify indicators of compromise in OT environments. Understanding of cyber threat actor tactics, techniques, and procedures (TTPs). Experience with vulnerability analysis, threat research, and security investigations. Ability to communicate in English. Willingness to participate in shift work including nights, weekends and holidays (our MDR service is 24x7x365).

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