Strong knowledge of machine learning and statistical concepts., General security domain knowledge with potential for specialization., Proficiency in Python, SQL, and familiarity with C++., Ability to interpret scientific literature and contribute to academic publications..
Key responsibilities:
Design and execute experiments to support research projects.
Explore data curation, labeling, and feature extraction using domain expertise.
Document experiment results and support conclusions for business impact.
Contribute to publications, presentations, and internal tools related to ML and security.
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Sophos is a worldwide leader and innovator of advanced cybersecurity solutions, including Managed Detection and Response (MDR) and incident response services and a broad portfolio of endpoint, network, email, and cloud security technologies that help organizations defeat cyberattacks.
As one of the largest pure-play cybersecurity providers, Sophos defends more than 500,000 organizations and more than 100 million users globally from active adversaries, ransomware, phishing, malware, and more.
Sophos’ services and products connect through its cloud-based Sophos Central management console and are powered by Sophos X-Ops, the company’s cross-domain threat intelligence unit. Sophos X-Ops intelligence optimizes the entire Sophos Adaptive Cybersecurity Ecosystem, which includes a centralized data lake that leverages a rich set of open APIs available to customers, partners, developers, and other cybersecurity and information technology vendors.
Sophos provides cybersecurity-as-a-service to organizations needing fully-managed, turnkey security solutions. Customers can also manage their cybersecurity directly with Sophos’ security operations platform or use a hybrid approach by supplementing their in-house teams with Sophos’ services, including threat hunting and remediation.
Sophos sells through reseller partners and managed service providers (MSPs) worldwide.
Sophos is headquartered in Oxford, U.K. More information is available at www.sophos.com
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 AIoptimized services, technologies and products. Sophos is now the largest pureplay Managed Detection and Response (MDR) provider, supporting more than 28,000 organizations. In addition to MDR and other services, Sophos’ complete portfolio includes industryleading endpoint, network, email, and cloud security that interoperate and adapt to defend through the Sophos Central platform. Secureworks provides the innovative, marketleading Taegis XDRMDR, identity threat detection and response (ITDR), nextgen 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 statesponsored cybercrimes. The solutions are powered by historical and realtime threat intelligence from Sophos XOps and the newly added Counter Threat Unit (CTU). Sophos is headquartered in Oxford, U.K. More information is available at www.sophos.com.
What You Will Do
Apply general security and ML domain knowledge to problems, identify new avenues of research to apply to current projects.
With minimal supervision, define and execute experiments to support research on a project.
Independently explore data curation and labeling, and feature extraction using domain expertise
Document results of experiments, draw and support conclusions from those experiments; with assistance, evaluate business caseimpact
Contribute significantly to group publications and presentations, including (with assistance) occasional lead or sole authorship of academic publications and presenting work at academic or industry conferences
Keep up to date on current research and developments in ML and security
Contribute to internal tools, including identifying gaps where new functionality would be helpful, and implementing significant changes to toolsframeworks to accommodate new technologies.
Integrate new models into existing frameworks and support handoff to production
Support existing model releases, including updates and improvements as needed, and integration with internal tools and systems for production.
What You Will Bring
Fluent in machine learning and statistical concepts.
General security domain knowledge, developing deeper expertise in some subdomain of security
Able to identify scientific literature relevant to a problem, grasp it and apply it.
Fluent in Python, a database query language like SQL, and familiar with a lower level language like C++.
Good general writing skills and ability to translate complex concepts for general consumption.
Competent at contributing to scientific papers with minimal assistance. Prior publications and talks a bonus.
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 dont 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. Dont let a checklist hold you back – we encourage you to apply.
Whats Great About Sophos?
· Sophos operates a remotefirst 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
· Employeeled 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
Required profile
Experience
Level of experience:Senior (5-10 years)
Spoken language(s):
English
Check out the description to know which languages are mandatory.