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 www.sophos.com.
Role Summary
SophosLabs is looking for an experienced, detail-oriented driven researcher with excellent technical skills to join our Reputation services team, a branch of our global team of highly skilled security experts, to provide fast response and high detection coverage for cross-platform threats targeting Sophos customers globally.
In this role, you will be tasked with developing rules, behavioural signatures, curating reputation of threat objects by leveraging our vast collection of telemetric data.
This highly technical role within the Sophos X-Ops division is a key cog in supporting and increasing our coverage in the global threat landscape and developing features, intelligence, and decisions in the SophosLabs Intelix platform.
We run a remote-first working model. You will feel at home within our Agile team with its open communication, fanatical commitment to quality and a relentless drive for continuous improvement.
What You Will Do
- Analyse attacks, incidents, clean & malicious threat objects and identify behaviour.
- Crunch through SophosLabs vast collection of Threat Intelligence data and create signatures for hunting, detection and tracking of threat objects.
- Develop exceptional tools to automate operational tasks with utmost attention to quality. Carry out best practices of testing (unit, end-to-end, automated functional tests, and manual tests) prior to deployment.
- Collaborate with multiple and diverse stakeholders of the Sophos X-ops team.
- Participate in Agile planning (clarify requirements, break down into sensible epics/stories, estimate user stories).
- Engage with cross-functional teams to drive improvements to policies and processes.
What You Will Bring
- Passionate about cybersecurity with a proven track record of relevant experience in the field and understanding of the security threat landscape.
- Undergraduate degree, or equivalent experience, in information security, cybersecurity or computer science.
- Ability to analyse threat objects and identify behaviour patterns.
- Deep understanding of relevant Internet protocols, technologies, and standards.
- Proficiency in programming and scripting languages, in particular Python.
- Experience with building, deploying, and maintaining tools & services for data extraction and automation for internal users.
- Navigate and analyse datasets of unique, structured, and unstructured data at scale.
- Ability to work remotely, in a joint team environment across different time zones.
- Strong collaboration and interpersonal communication skills working with a geographically distributed team.
- Excellent communication, documentation, and problem-solving skills.
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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. Please refer to the location details in our job postings for further information.
· 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
