Principal Data Scientist

Principal Data Scientist
Viseu
Viseu, Viseu District, Portugal

Our team is hiring a senior technical leader in the Principal Data Scientist. We are seeking a practitioner with extensive ML/AI product development experience who can drive innovation at scale, guide
- functional initiatives, and meaningfully contribute to Bitsight’s
- term business and technical strategy. Specifically, this role will be in charge of designing and deploying advanced,
- grade ML/AI applications within our AI-driven entity mapping and Graph of Internet Assets (GIA) data engine, leveraging advanced graph technology and ML/AI models to discover complex entity and asset relationships and map
- connected assets at a global scale.

Responsibilities:

• Identify and drive
  - impact ML/AI initiatives that advance Bitsight’s broader ML/AI strategy and
  - term technical roadmap.
• Design, build, and deploy
  - grade ML models and automation systems that support critical business features.
• Develop and maintain
  -
  - end ML pipelines, including data extraction, feature engineering, training, evaluation, deployment, monitoring, and automated feedback and retraining loops.
• Architect scalable ML/AI components that improve performance and reliability across
  - based distributed systems.
• Analyze
  - scale cybersecurity datasets to identify opportunities for improved classification, detection, and automation.
• Translate ML/AI outcomes into actionable product decisions and collaborate closely with other Stakeholders internally and externally.
• Establish and promote best practices for ML/AI development, model operations, and
  - quality standards.
• Mentor technical contributors across teams, elevating technical quality and accelerating development.
• Provide leadership in communicating complex findings and decisions to technical and
  - technical stakeholders, upholding Bitsight’s
  - driven culture.

Requirements:

• Advanced degree in a quantitative field or equivalent industry experience.
• Extensive experience 8+ Years of experience delivering ML-powered product features from concept to production.
• Expertise in Python, SQL, distributed compute environments, and cloud platforms.
• Demonstrated ability to lead complex ML/AI initiatives driving business impact.
• Excellent communication skills, with a track record of influencing
  - functional stakeholders and leadership.
• Proven capability to bring structure to ambiguous problem spaces and drive them toward actionable,
  - impact outcomes.

Preferred:

• Experience with advanced ML techniques such as deep learning, GNNs, anomaly detection, or probabilistic modeling.
• Experience defining or influencing ML/AI practices and strategies across the business, particularly for Principal-level candidates.
• Background in cybersecurity, threat intelligence, or
  - scale network analytics.