Senior Security Engineer - Data Security

Required Qualifications

• 5+ years of hands-on experience in Security Engineering, Data Security, SaaS Security, or related cybersecurity roles.
• Bachelor or Masters in Computer Science, Cyber Security, or similar fields.
• Strong software engineering mindset with demonstrated experience building production-grade tools, automation, and security platforms.
• Proven ability to build versus buy whenever practical and create scalable internal solutions.
• Experience designing and implementing platforms like Insider threat and data protection technologies (SIEM, UBA, DSPM, SSPM,DLP, Browser Protection, Endpoint detection)
• Strong understanding of data security principles including data classification, data governance, access controls, encryption, key management, and data lifecycle management.
• Hands-on experience securing SaaS platforms, cloud environments, endpoints, collaboration systems, and modern data platforms.
• Experience leveraging AI to improve data protection, investigations, classification, and security workflows.
• Strong analytical, communication, and problem-solving skills.

Preferred Qualifications

• Experience securing Snowflake, Databricks, BigQuery, Redshift, or similar modern data platforms.
• Strong understanding of AI/LLM data protection risks, data leakage prevention, and AI governance.
• Building programs and solving complex security challenges across enterprise-wide data Security Programs.
• Experience building internal security products, platforms, and developer-focused security tooling.
• CISSP, CCSP, or equivalent certifications.

Additional Job details

About us

Benefits For Our Full-Time Employees:

• Equity
• Generous health benefits
• Flexible time off policy. Take the time off you need!
• Paid bonding time for all new parents
• Traditional and Roth 401k
• Commuter and FSA benefits
• Lunch Program
• Dog friendly office
• Sigma is an equal opportunity employer. We are committed to building a smart and strong team regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender, gender identity or expression, veteran, or any other protected status. We look forward to learning how your experience can enable all of us to grow.
• Note: We have an in-office work environment in all our offices in SF, NYC, London and Sydney.

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