Threat Analyst

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 MDR Threat Analyst, you will work with enterprise systems, log analysis systems, and endpoint collection systems to facilitate the investigation, identification and neutralization of cyber threats. You will work alongside and contribute to a team of analysts with the objective of providing best in class monitoring, detection and response services.
This role offers an opportunity to grow investigative expertise, work closely with senior analysts, and participate in real-world threat response while helping strengthen the organization’s overall security posture.

Investigate escalated security alerts and incidents across endpoint, network, cloud, and identity environments. Perform structured analysis to determine root cause, attack scope, lateral movement, and potential impact. Support ransomware investigations by analysing attacker activity, credential abuse, persistence mechanisms, and malware behaviour. Deobfuscate suspicious scripts, malware samples, and other indicators to identify malicious activity. Conduct proactive threat hunts based on defined hypotheses and emerging threat intelligence. Investigate suspicious authentication activity, privilege escalation, and identity misuse. Perform investigations on both Windows and Linux systems, including log and process analysis. Correlate data across multiple sources, including EDR, SIEM, cloud logs, and identity platforms. Document investigative findings clearly and provide actionable remediation guidance to clients. Collaborate with senior analysts during high-severity or complex incidents. Contribute to detection tuning and improvement of response playbooks based on investigation outcomes. Participate in a rotational schedule supporting a 24x7x365 MDR environment.

4–6 years of experience in a SOC, MDR, Incident Response, or related cybersecurity operations role. Experience investigating endpoint and network security alerts using EDR and SIEM platforms. Working knowledge of ransomware attack patterns and common intrusion techniques. Hands-on experience investigating Linux and Windows systems. Experience analysing obfuscated scripts, malware behaviour, and performing deobfuscation to identify malicious activity. Familiarity with adversary tactics and techniques, and practical exposure to the MITRE ATT&CK framework. Experience analysing Windows Event Logs, Linux logs, and Active Directory fundamentals. Basic understanding of cloud and identity security investigations, including suspicious authentication activity and privileged account misuse. Ability to analyse network traffic, including TCP/IP, DNS, and HTTP/S. Scripting knowledge, including PowerShell; Python or other languages is mandatory. Strong documentation skills and attention to investigative detail. Security certifications such as Security+, CySA+, GCIH, or equivalent are a plus. Bachelor’s degree in Information Technology, Computer Science, or related field, or equivalent professional experience. Strong analytical and troubleshooting skills. Ability to manage multiple investigations in a fast-paced environment. Clear written and verbal communication skills.

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