Senior Data Scientist - Canada Remote

Sophos

1d • $123,000 - $205,000 • Remote

About The Position

We are seeking a Senior Data Scientist with a strong research mindset to drive advanced machine learning innovation in the security domain. In this role, you will lead exploratory research, design and execute experiments with minimal oversight, and develop new methodologies that push the boundaries of ML‑driven security. You will work hands‑on across data curation, feature development, and model experimentation, while also contributing to scientific publications, internal frameworks, and production‑grade integrations. This is an ideal opportunity for someone who thrives in a highly technical, inquiry‑driven environment and wants to influence both the scientific community and real‑world security outcomes through original research.

Requirements

• Fluent in machine learning and statistical concepts.
• Able to identify scientific literature relevant to a problem, grasp it and apply it.
• Fluent in Python and a database query language like SQL.
• 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.

Nice To Haves

• General security domain knowledge, developing deeper expertise in some subdomain of security.
• Familiarity or interest in lower level language like C++.

Responsibilities

• 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 case/impact
• 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 tools/frameworks to accommodate new technologies.
• Integrate new models into existing frameworks and support hand-off to production
• Support existing model releases, including updates and improvements as needed, and integration with internal tools and systems for production.

Benefits

• 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

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: No Education Listed