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Flagship Pioneering, Inc.

Lead Cloud Security/AppSec Engineer

Flagship Pioneering, Inc.
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2 months ago
Cambridge, MA, USASenior / Staff+
H1B Sponsor

Base Salary

$148k - $204k/yr

Responsibilities

  • Own remediation execution against cloud security findings in partnership with Infrastructure & Operations.
  • Design and implement security guardrails in engineering pipelines, including SAST and container scanning.
  • Build and operationalize data loss prevention controls at the cloud and application layer.
  • Manage cloud identity and access governance in collaboration with Infrastructure & Operations.
  • Write and tune cloud-side detection rules to improve alert fidelity.
  • Contribute to security architecture reviews for AI-powered products.
  • Serve as an embedded security engineering partner for portfolio company engineering teams.
  • Design and maintain AI-augmented workflows to enhance security operations.

Requirements

  • 5+ years in cloud security, application security, or a related security engineering discipline.
  • Deep hands-on experience with AWS security services and cloud posture tooling.
  • Practical AppSec experience integrating security tools into CI/CD pipelines.
  • Experience with cloud identity platforms, including conditional access policy design.
  • Ability to write infrastructure-as-code and automate security controls using scripting languages.
  • Demonstrated experience building AI-augmented security workflows.
  • Strong communication skills to engage with engineering leadership and build trusted relationships.
  • Self-directed practitioner capable of setting execution priorities.

Benefits

  • Healthcare coverage.
  • Annual incentive program.
  • Retirement benefits.
  • Broad range of other benefits.