Lead Cloud Security/AppSec Engineer

Responsibilities

• Build and lead the cloud security and application security engineering practice from the ground up
• Own cloud security posture management by executing remediation against Wiz findings in partnership with Infrastructure & Operations
• Design and implement security guardrails within CI/CD pipelines, including SAST, secrets scanning, IaC security, and container scanning
• Develop and operationalize AI-augmented security workflows using LLMs and agentic tooling to automate routine tasks and triage
• Manage cloud identity and access governance, including Entra ID / Azure AD conditional access and BYOD policy enforcement
• Build and maintain cloud-side Data Loss Prevention (DLP) controls at both the cloud and application layers
• Contribute to security architecture reviews and guardrail design for AI-powered platforms like Bedrock and EKS

Requirements

• 5+ years of experience in cloud security, application security, or a related security engineering discipline
• Deep hands-on expertise with AWS security services (Security Hub, GuardDuty, IAM, SCPs, CloudTrail)
• Proven experience integrating security tooling (SAST/DAST/SCA) into CI/CD pipelines
• Proficiency in Python or Terraform for automating security controls and infrastructure-as-code
• Experience with cloud identity platforms, specifically Entra ID / Azure AD
• Demonstrated ability to build AI-augmented workflows using LLMs or agentic orchestration frameworks

Preferred Qualifications

• Experience with Wiz for cloud posture management
• Experience securing ML/AI platforms such as Amazon Bedrock or SageMaker
• Relevant certifications such as AWS Security Specialty, GWEB, or OSCP
• Experience working within a portfolio company or multi-entity security model
• Familiarity with HIPAA technical safeguards and PHI data flows in cloud environments
• Experience with container and Kubernetes security (EKS, image scanning, network policy)

About the Company

Flagship Pioneering is a biotechnology company that invents and builds platform companies that change the world. We unite life science innovation, company creation, and capital investment to accelerate scientific progress in areas ranging from cancer treatment to sustainable agriculture.