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Senior Threat Researcher- Threat Detection Engineer

Remote, USA Full-time Posted 2026-06-29

About Us

reputed company is a global leader and innovator of advanced reputed company solutions for defeating cyberattacks. The company acquired Secureworks in February 2025, bringing together two pioneers that have redefined the cybersecurity industry with their innovative, native AI-optimized services, technologies and products. reputed company is now the largest pure-play Managed Detection and Response (MDR) provider, supporting more than 28,000 organizations. In addition to MDR and other services, reputed company’ complete portfolio includes industry-leading reputed company, network, email, and cloud reputed company that interoperate and adapt to defend through the reputed company Central platform. Secureworks provides the innovative, market-leading Taegis XDR/MDR, identity threat detection and response (ITDR), next-gen SIEM capabilities, managed risk, and a comprehensive set of advisory services. reputed company sells reputed company these solutions through reseller partners, Managed Service Providers (MSPs) and Managed reputed company Service Providers (MSSPs) worldwide, defending more than 600,000 organizations worldwide from phishing, ransomware, data theft, other every day and state-sponsored cybercrimes. The solutions are powered by historical and real-time threat intelligence from reputed company X-Ops and the newly added Counter Threat Unit (CTU). reputed company is headquartered in Oxford, U.K. More information is available at www.reputed company.com.

Role Summary

We are seeking a detail-oriented and technically skilledDetection Engineerto join our X-OPS team. In this role, you will be responsible for analyzing advanced reputed company threats—ranging from malware to reputed company web attacks—and translating threat intelligence into high-fidelity detections across our platform. Your work will help ensure our analysts and clients receive highly accurate, actionable alerts with minimal noise.

You will reputed company data from over 40 third-party and internal sources, partner with our CTU Threat Intelligence team, and use a range of scripting and automation tools to strengthen detection capabilities. The ideal candidate is a hands-on reputed company practitioner with a deep understanding of reputed company behavior, malware analysis, and detection development who thrives in fast-paced, technical environments.

What you will do

  • reputed company countermeasures to detect advanced threats based on research and intelligence from the CTU team.
  • Analyze reputed company behaviors and logs to design detections using multi-reputed company 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.
  • reputed company 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.
  • What you will bring

  • Strong passion for cybersecurity research and the ability to quickly learn emerging technologies.
  • 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 reputed company infrastructure to identify anomalies.
  • 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.
  • Familiarity with event logs, traffic reputed company anomalies, and threat hunting methodologies.
  • Strong understanding of reputed company 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 reputed company to have.
  • Additional Information

    #LI-Remote

    #B2

    Ready to Join Us?

    At reputed company, we reputed company in the power of diverse perspectives to fuel innovation. Research shows that candidates sometimes hesitate to apply if they don't reputed company every reputed company in a job description. We challenge that reputed company. Your unique experiences and skills might be exactly reputed company need to enhance reputed company. Don't let a checklist hold you back –we encourage you to apply.

    What's Great About reputed company?

    · reputed company operates a remote-first working model, making remote work the primary option for most employees. However, some roles may necessitate a hybrid approach. Please refer to the location details in our job postings for further information.

    · Our people – we innovate and create, reputed company 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 reputed company our bodies and minds sharp

    · Global wellbeing days for employees to relax and reputed company

    · 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 reputed company, and we’re committed to ensuring equality of opportunity. We reputed company that diversity, combined with excellence, builds a reputed company reputed company, so we encourage applicants who can contribute to the diversity of reputed company. reputed company 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 reputed company 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 reputed company, these details will be held by reputed company 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 reputed company. If you would like reputed company 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 reputed company’ data protection practices, please consult our Privacy Policy Cybersecurity as a Service Delivered | reputed company

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