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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.
The Sophos Artificial Intelligence (Sophos AI or SAI) department is looking for ML and Software Engineers to join our Sophos AI Engineering team. As a member of our team, you will work on the development and maintenance of our internal ML operation services, training and CI/CD pipeline(s) in the AWS cloud. You will also work on delivering, integrating our models to wide variety of Sophos products to ensure the superior quality of AI used to provide protection to all our customers. To succeed in this role, you will be passionate about developing high-quality and costs efficient deliverables, continuous improvement, and cooperation between global teams and keen to use your excellent skills to contribute to the success of the Sophos Artificial Intelligence team.
Main Duties
- Software Development. – Innovate, design, develop and deliver features into the Sophos AI automated systems area, focusing on ML supporting systems taking it to an industry leading next generation position.
- ML Operations – Work on automation, quality assurance of ML operations including the model training pipeline. Improve monitoring of model accuracy, model comparison and engineering metrics with traceability, reproducibility of the retrained models kept in focus.
- Continuous Improvement – Identify key metrics, put measurement in place and work on to meet them. Do this using the Agile Software development framework of SCRUM.
What we are looking for
- Minimum 4-year experience in Python and Python ecosystem.
- Minimum 2-year experience in (R)DBMS and SQL, ideally Snowflake.
- Experience with AWS cloud services including Fargate, CodeBuild, Batch and more.
- Experience in ML operations and supporting system(s) like AWS SageMaker or WandB.
- Experience in Agile software development, preferably SCRUM.
- Proven track record of designing & developing reliable, maintainable, high-quality code.
- Fluency in English.
- Experience in portable C & C++ development would be great, but not a must.
- Proficient in using development tools (source control, static analysis, issue tracking, etc.).
- Have good problem solving and troubleshooting skills.
- Able to work in small groups but also independently if needed.
- Not afraid to share your opinion on how to get things better.
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
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