The Role
Investigate and respond to high-severity cybersecurity incidents affecting OT and ICS environments. Conduct root cause analysis, threat hunting, network and log analysis, detection engineering, alert tuning, and SIEM monitoring. Advise customers on remediation, risk reduction, security controls, and operational resilience. Research OT-specific threats and contribute to security tools, automation, and improved cyber defense capabilities. Participate in 24/7 shift coverage, including nights, weekends, and holidays.
Summary Generated by Built In
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.
Role Summary
As an Operational Technology (OT) Incident Response Consultant, you will play a critical role in protecting industrial environments from evolving cyber threats. You will lead the investigation and response to security incidents affecting industrial control systems (ICS) and OT networks, working closely with customers to identify threats, reduce risk, and improve operational resilience.
This role combines incident response, threat hunting, security monitoring, detection engineering, and advisory capabilities. You will serve as a trusted technical expert, helping organizations maintain the safety, reliability, and security of their operational environments while continuously enhancing their cyber defense posture.
What You Will Do
- 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.
What You Will Bring
- 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.
Technical Experience
Working Schedule
- Willingness to participate in shift work including nights, weekends and holidays (our MDR service is 24x7x365).
Ready to Join Us?
At Sophos, we believe in the power of diverse perspectives to fuel innovation. Research shows that candidates sometimes hesitate to apply if they don't check every box in a job description. We challenge that notion. Your unique experiences and skills might be exactly what we need to enhance our team. Don't let a checklist hold you back – we encourage you to apply.
What's Great About Sophos?
· Sophos operates a remote-first working model, making remote work the primary option for most employees. However, some roles may necessitate a hybrid approach. While we are a remote first organization, applicants must have legal authorization to work in the jurisdiction where the position is posted, without requiring employer sponsorship.
· Our people – we innovate and create, all of which are accompanied by a great sense of fun and team spirit
· Employee-led diversity and inclusion networks that build community and provide education and advocacy
· Annual charity and fundraising initiatives and volunteer days for employees to support local communities
· Global employee sustainability initiatives to reduce our environmental footprint
· Global fitness and trivia competitions to keep our bodies and minds sharp
· Global wellbeing days for employees to relax and recharge
· Monthly wellbeing webinars and training to support employee health and wellbeing
Our Commitment To You
We’re proud of the diverse and inclusive environment we have at Sophos, and we’re committed to ensuring equality of opportunity. We believe that diversity, combined with excellence, builds a better Sophos, so we encourage applicants who can contribute to the diversity of our team. All applicants will be treated in a fair and equal manner and in accordance with the law regardless of gender, sex, gender reassignment, marital status, race, religion or belief, color, age, military veteran status, disability, pregnancy, maternity or sexual orientation. We want to give you every opportunity to show us your best self, so if there are any adjustments we could make to the recruitment and selection process to support you, please let us know.
Data Protection
If you choose to explore an opportunity, and subsequently share your CV or other personal details with Sophos, these details will be held by Sophos for 12 months in accordance with our Privacy Policy and used by our recruitment team to contact you regarding this or other relevant opportunities at Sophos. If you would like Sophos to delete or update your details at any time, please follow the steps set out in the Privacy Policy describing your individual rights. For more information on Sophos’ data protection practices, please consult our Privacy Policy Cybersecurity as a Service Delivered | Sophos
Skills Required
- Experience in cybersecurity, incident response, security operations, or threat detection environments
- At least 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
- Understanding of TCP/IP and UDP network protocols
- Familiarity with industrial communication protocols including Modbus and DNP3
- 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
- Experience with vulnerability analysis, threat research, and security investigations
- Ability to communicate in English
- Willingness to work shifts, including nights, weekends, and holidays, in a 24/7/365 MDR service
- Legal authorization to work in the jurisdiction without employer sponsorship
Sophos Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Sophos and has not been reviewed or approved by Sophos.
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Leave & Time Off Breadth — Time away is positioned as broad, with company-wide wellness days plus dedicated learning days and paid volunteer time.
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Parental & Family Support — Family-related leave appears more comprehensive than baseline offerings, including paid parental leave, caregiver leave, and extended bereavement leave.
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Wellbeing & Lifestyle Benefits — Wellbeing support is emphasized through always-available assistance resources and a Calm subscription, suggesting a lifestyle-oriented benefits approach.
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The Company
What We Do
Cybersecurity Evolved. As a worldwide leader in next-generation cybersecurity, Sophos protects nearly 400,000 organizations of all sizes in more than 150 countries from today’s most advanced cyberthreats. Powered by SophosLabs – a global threat intelligence and data science team – Sophos’ cloud-native and AI-enhanced solutions secure endpoints (laptops, servers and mobile devices) and networks against evolving cybercriminal tactics and techniques, including automated and active-adversary breaches, ransomware, malware, exploits, data exfiltration, phishing, and more.
