Sophos is hiring a

Threat Analyst - Sophos AI

Sophos is a worldwide leader in next-generation cybersecurity, protecting more than 500,000 organizations and millions of consumers in more than 150 countries from today’s most advanced cyberthreats. Powered by threat intelligence, AI and machine learning from SophosLabs and SophosAI, Sophos delivers a broad portfolio of advanced products and services to secure users, networks and endpoints against ransomware, malware, exploits, phishing and the wide range of other cyberattacks. Sophos provides a single integrated cloud-based management console, Sophos Central – the centerpiece of an adaptive cybersecurity ecosystem that features a centralized data lake that leverages a rich set of open APIs available to customers, partners, developers, and other cybersecurity vendors. Sophos sells its products and services through reseller partners and managed service providers (MSPs) worldwide. Sophos has major hubs around the globe. More information is available at

The Sophos AI team is seeking a Threat Analyst to help ensure the quality of the machine learning technologies we ship to protect our customers. 
Sophos AI is an international organization within Sophos responsible for all machine learning research, development, deployment, and operations.  

Main Tasks and Responsibilities

  • Work with an international data science organization to protect tens of millions of Sophos customer endpoints from cyber attacks
  • Drive improvements to the quality of Sophos AI’s machine learning training data through improved data labeling
  • Drive improvements to the quality of Sophos AI’s model predictions by discovering and analyzing model false-negatives and false-positives
  • Create, test and deploy rule-based guardrails for Sophos’ machine learning models
  • Develop a full-featured monitoring and alerting system to track data feed ingestion and processing
  • Regularly report on overall findings with respect to what Sophos’ machine learning models are and are not detecting in the threat landscape
  • Help write blog posts and other outward facing materials on what you are seeing in the cyber threat landscape and in the performance of Sophos’ machine learning models


  • Background in cybersecurity threat analysis
  • Relevant security certifications and/or the ability to learn relevant security domain knowledge quickly
  • Bachelor degree in Computer Software (Computer Security preferable)
  • Ability to write regular expressions to implement the rule-based guardrails mentioned above
  • Ability to write SQL queries and Python scripts to implement the monitoring system mentioned above
  • Strong English communication skills


What's Great About Sophos?
·   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 that 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.  If you have any questions about Sophos’ data protection practices, please contact [email protected].

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