Senior Security Engineer with Cedar

We are looking for a Senior Security Software Engineer to implement the baseline Cedar policy library and policy authoring standard for an Enterprise Agent Development Platform. This production-grade, cloud-native ecosystem enables engineering teams to define, orchestrate, deploy, and observe AI agents at scale using LangGraph and Strands Agents on AWS AgentCore Runtime. The goal is to reduce agent development from months to days while enforcing consistent security, quality, and governance standards.

Responsibilities

• Implement the baseline Cedar policy library and policy authoring standard for the platform
• Author and test Cedar policies governing agent access control
• Configure AWS AgentCore Policy LOG_ONLY and ENFORCE modes for staged policy rollout
• Build Python-based tooling to validate policy definitions
• Map MS Entra claims to platform policy attributes
• Design parameter-level access control patterns for agent tooling
• Establish governance standards for policy authoring across engineering teams
• Collaborate with platform and security teams to enforce consistent access control practices

Requirements

• 3+ years of experience in security engineering or backend engineering
• Expertise in Cedar policy language, including authoring and testing
• Hands-on experience with Open Policy Agent (OPA)
• Knowledge of AWS AgentCore Policy LOG_ONLY and ENFORCE modes
• Proficiency in Python for policy validation tooling
• Familiarity with MS Entra claims mapping and parameter-level access control patterns
• Skills in identity provider integration with Entra, Okta, and Cognito
• Understanding of policy definition in any ABAC or RBAC system

Nice to have

• Familiarity with LangGraph tool invocation patterns
• Knowledge of AWS AgentCore Gateway integration

We offer

• Supportive team and agile, startup-like culture
• Hybrid-by-design mode and opportunity to work remotely within Poland
• Chance to work abroad for up to 60 days annually
• Business-driven relocation opportunities
• Career development programs
• Thought leadership, mentoring, soft skills, and well-being programs
• Certification: Anthropic, Gemini, GCP, Azure, AWS
• English classes
• Stable pay
• Participation in the Employee Stock Purchase Plan with a 15% discount
• Benefits package: health insurance, multisport, shopping vouchers
• Referral bonuses up to $2,000
• Offices featuring entertainment and relaxation zones, table tennis and football, free snacks, coffee, and more
• Corporate, social, and well-being events

Benefits listed above are available to employees only.

Contractor opportunities are available. Terms of B2B cooperation agreements are agreed individually.

Only selected candidates will be contacted.