Threat Analyst 3

About Us
Sophos is a global leader and innovator of advanced security 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. Sophos 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, Sophos' complete portfolio includes industry-leading endpoint, network, email, and cloud security that interoperate and adapt to defend through the Sophos 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. Sophos sells all these solutions through reseller partners, Managed Service Providers (MSPs) and Managed Security 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 Sophos X-Ops and the newly added Counter Threat Unit (CTU). Sophos is headquartered in Oxford, U.K. More information is available at

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.

What You Will Do

• Handle escalations from level I Threat Analysts - guide / advise on investigation handling
• On-board and train new Threat Analysts
• Participate in Security Operations process improvement and creation
• Provide detection and response to security events and cyber-threats
• Conduct security log management and monitoring
• Maintain information security metrics
• Provide assistance to core security and threat response teams
• Create MDR service-related reports
• Create cases for clients
• Track and follow up with client through threat neutralization
• Interact with clients via various mediums
• Actively research recent Indicators or Compromise/Attack, exploits and vulnerabilities
• Obtain metrics for reporting on threat trends, intelligence analysis and situational awareness

What You Will Bring

• 4+ years of experience working in a SOC environment or computer security team in an IT environment
• Endpoint and network security experience required; IDS, IPS, EDR, ATP, Malware defenses and monitoring experience
• Threat hunting experience preferred
• Knowledge of common adversary tactics and techniques, e.g., obfuscation, persistence, defense evasion, etc.
• Knowledge of Mitre ATT&CK framework preferred
• Working knowledge of incident response procedures
• Experience with SQL query construction preferred
• Experience with OSQuery is a plus
• Experience administering and supporting Windows OS (both workstations and server) and one of the following: Apple or Linux-based operating systems (e.g. XP, Windows 7, 2003, 2008, OS X)
• Fundamental understanding of network traffic analysis including TCP/IP, routing, switching, protocols, etc.
• Strong understanding of Windows event log analysis
• Experience with enterprise information security data management - SIEM experience a plus
• Programming and scripting skills - proficient knowledge of Powershell is a plus
• Excellent troubleshooting and analytical thinking skills
• Strong documentation and communication skills
• Advanced Cyber Security certifications preferred but not required
• Bachelors in Information Technology, Computer Science or a related field; or relevant commensurate work experience
• Willingness to work outside of standard business hours including weekends and holidays – our Managed Detection and Response is a 24X7X365 service
• Must be able to thrive within a team environment as well as on an individual basis

LI-Remote

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

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.