Senior Threat Analyst
Key Skills for This Role
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Role Summary
As a Senior Threat Analyst – Tier I on our Managed Detection and Response (MDR) team, you will provide best-in-class monitoring, detection, and response services to proactively defend customer environments before attacks prevail. You will work alongside and contribute to a team of cyber threat hunters, incident response analysts, engineers, and ethical hackers by using enterprise, log analysis and endpoint collection systems to facilitate investigations, identification, and neutralization of cyber threats.
What You Will Do
- Monitor, investigate, and respond to alerts generated by the Sophos security stack (including EDR/XDR capabilities)
- Lead and mentor Tier I Analysts through escalated cases, ensuring thorough and accurate investigation practices.
- Perform end-to-end analysis on suspicious activity to assess scope, impact, and risk
- Identify and respond to cyber threats across customer environments using approved playbooks and tooling
- Accurately document findings, investigative steps, and outcomes in the MDR case management platform
- Conduct threat hunting to identify potential threats throughout the MDR customer base
- Investigate phishing emails, suspicious binaries, and behavioral anomalies
- Support detection tuning by identifying recurring false positives and suggesting improvements
- Stay informed on threat actor behaviors, MITRE ATT&CK techniques, and Sophos threat research updates
- Proactively research emerging IOCs, active exploits, and vulnerabilities to stay ahead of evolving threats
- Contribute to internal knowledge bases, documentation, and continuous improvement initiatives
- Participate in shift rotations and ensure timely, detailed handovers between global teams
- Provide detection and response support for active security incidents
- Manage case workflows: create cases, track progress, and follow up with clients until resolution
- Engage with clients via chat, phone, and tickets as part of case handling
- Assist with developing and refining Security Operations processes, playbooks, and tooling feedback
What You Will Bring
Essential
5+ years of hands-on experience in a Security Operations Center (SOC), Managed Detection and Response (MDR) environment, or cybersecurity-focused IT role
Proficient in the use of endpoint and network security tools (e.g., EDR, IDS/IPS, malware detection platforms) with the ability to validate and triage complex alerts
Working knowledge of Windows operating systems (both workstation and server), with additional experience in Linux (Ubuntu, Debian, RedHat) or macOS environments
Ability to interpret and analyze Windows event logs and other telemetry data
Understanding of core network concepts including TCP/IP, protocols, routing, and traffic analysis
Demonstrated experience contributing to real-time incident response efforts and threat investigations
Exposure to threat hunting methodologies and an understanding of attacker behavior and patterns
Experience handling active threats, including containment, mitigation, and recovery efforts during security incidents
Familiar with techniques such as persistence, privilege escalation, lateral movement, and defense evasion, and able to identify these in real-world environments
Familiarity with common incident response workflows and security operations processes
Strong analytical thinking and troubleshooting skills, with attention to detail in investigations and case documentation
Excellent communication skills, with the ability to clearly explain findings to both technical and non-technical audiences
Customer-first mindset with professionalism and a focus on service excellence
Must thrive within a team environment as well as on an individual basis
Natural curiosity and willingness to learn in a fast-paced, ever-changing threat landscape
A passion for cybersecurity, continuous improvement, and staying current on threat trends
Bachelor's degree in information technology, Computer Science, Cybersecurity or related field, or equivalent practical experience
Willingness to participate in shift work including nights, weekends and holidays (our MDR service is 24x7x365)
Desirable
Familiarity with the MITRE ATT&CK framework and its application in detection and response
Experience working with SIEM platforms and managing enterprise security telemetry
Ability to write and interpret SQL queries for data analysis and investigation
Experience with OSQuery and scripting skills, particularly in PowerShell
Relevant and practical cybersecurity certifications (e.g., GSEC, GCIA, GCIH, PEN-200, Security Blue Team L1, TCM Academy SOC L1, or similar)
About Sophos
Sophos is a global cybersecurity company providing managed detection and response alongside endpoint, network, email, and cloud security technologies. Its AI-driven platform and expert-led services help organizations prevent, detect, and respond to cyberattacks.
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