Senior Threat Researcher – Threat Detection Engineer

🕒 April 17

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Sophos

WebsiteLinkedInAll Job Openings

1001 - 5000 employees

Founded 1985

🔒 Cybersecurity

☁️ SaaS

💰 Post-IPO Equity on 2021-08

Cybersecurity • SaaS

Sophos is a leading cybersecurity company that specializes in protecting businesses against advanced cyber threats. The company offers a comprehensive suite of security solutions, including endpoint protection, managed detection and response (MDR), network security, and cloud security. With a prevention-first approach, Sophos aims to stop ransomware and other cyber threats before they cause harm. Sophos provides services such as threat research, security training, and operational support to ensure robust defense against cyberattacks. Their solutions cater to various industries including finance, healthcare, government, manufacturing, and retail. The Sophos Central platform delivers centralized security management, integrating seamlessly with existing IT infrastructure to enhance security posture.

📋 Description

• Develop countermeasures to detect advanced threats based on research and intelligence from the CTU team. • Analyze endpoint behaviors and logs to design detections using multi-source telemetry. • Continuously refine and monitor detection rules to optimize the signal-to-noise ratio for alerts. • Research and implement alert handling for new device ingestions, ensuring high-value signal delivery. • Leverage internal tooling to distinguish native from standard integrations for detection accuracy. • Collaborate on the development of internal tools, automation, and detection infrastructure. • Act as a subject matter expert across departments including Product Management, Marketing, and Labs Research.

🎯 Requirements

• 10+ yrs of relevant experience in threat research, 5+ yrs in detection writing • Hands-on experience in scripting languages (PowerShell, Bash, Python) and use of Python data science libraries (e.g., NumPy, Pandas, Matplotlib). • Knowledge of CI/CD pipelines, testing frameworks, and automation principles. • Proficiency in analyzing logs from firewalls, proxies, and security infrastructure to identify anomalies. • Familiarity with event logs, traffic pattern anomalies, and threat hunting methodologies. • Strong understanding of endpoint detection, Linux/Unix and Windows OS internals, vulnerability identification, and workflow automation. • Experience with event correlation and incident reconstruction using log data is a plus, • Network traffic analysis skills, including identification of anomalous or malicious traits is a plus. • Solid grasp of database querying, systems architecture, and process automation for operational improvements is a nice to have. • Experience in malware analysis, including static/dynamic techniques and reverse engineering (IA32/64, ARM binaries). • Forensic analysis of memory and disk images across various OS and file system types.

🏖️ Benefits

• Sophos operates a remote-first working model, making remote work the primary option for most employees. However, some roles may necessitate a hybrid approach. • 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