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Lead Cloud Security/AppSec Engineer

Flagship Pioneering
September 09, 2026
Full-time
Remote friendly (Cambridge, MA)
Worldwide
IT
Role: Build and lead Flagship’s cloud security and application security engineering practice, focusing on AI-augmented workflows and integration with infrastructure teams. Responsibilities: manage cloud security posture, implement CI/CD security guardrails, operationalize cloud-side DLP, execute cloud identity management, develop detection rules, contribute to AI platform security, and embed security into engineering pipelines across the portfolio. Qualifications: 5+ years in cloud security or application security, hands-on AWS security expertise (preferably Wiz), experience with cloud identity platforms (Azure AD), scripting and automation skills (Python, Terraform), and proven success with AI-augmented security workflows. Preferred: security certifications (AWS Security Specialty, GWEB, OSCP), experience with ML/AI platforms, container security, and familiarity with HIPAA. HighValue: cloud and application security in fast-paced biotech/AI environment, building a security practice from the ground up, leveraging LLMs and agentic tooling, and collaborating with engineering teams. WorkSetup: flexible, strategic role within a small, innovative team.