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 everyday 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 a Threat Analyst 3 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
Conduct threat hunting to identify potential threats throughout the MDR customer base
Handle escalations from Tier I Threat Analysts - guide / advise on investigation handling
Onboard and mentor new Threat Analysts
Provide detection and response to security events and cyber-threats
Conduct security log management and monitoring
Maintain information security metrics
Create cases, track and follow up with clients through threat neutralization
Interact with clients via various mediums
Participate in Security Operations process improvement and creation
Collaborate and assist core security and threat response teams
Obtain metrics for reporting on threat trends, intelligence analysis and situational awareness
Actively research recent Indicators or Compromise/Attack, exploits and vulnerabilities
What You Will Bring
4 to 6 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
Experience with threat hunting
Experience administering and supporting Windows and Unix Unix-based operating Systems, including both workstations and servers
Knowledge of common adversary tactics and techniques, e.g., obfuscation, persistence, defense evasion, etc.
Fundamental understanding of network traffic analysis, including TCP/IP, routing, switching, protocols, etc.
Strong understanding of Windows event log analysis
Working knowledge of incident response procedures
Excellent troubleshooting and analytical thinking skills
Must be able to thrive within a team environment as well as on an individual basis
Customer service-oriented with strong documentation and communication skills
Passion for all things information technology and information security
Natural curiosity and ability to learn new skills quickly
Ability to think outside the box
Innovative mindset and driven to contribute to a team providing a best-in-class cybersecurity service
Desirable
Knowledge of Mitre ATT&CK framework
Experience with enterprise information security data management - SIEM experience
Experience with SQL query construction
Experience with OSQuery Programming and scripting skills - proficient knowledge of Powershell
Advanced Cyber Security certifications
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.
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