Senior Security Engineer with Cedar w Łódź, Polska

We are looking for a Senior Security Software Engineer to implement the baseline Cedar policy library and policy authoring standard for our 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. Our 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 platformAuthor and test Cedar policies governing agent access controlConfigure AWS AgentCore Policy LOG_ONLY and ENFORCE modes for staged policy rolloutBuild Python-based tooling to validate policy definitionsMap MS Entra claims to platform policy attributesDesign parameter-level access control patterns for agent toolingEstablish governance standards for policy authoring across engineering teamsCollaborate with platform and security teams to enforce consistent access control practices Requirements 3+ years of experience in security engineering or backend engineeringExpertise in Cedar policy language including authoring and testingHands-on experience with Open Policy Agent (OPA)Knowledge of AWS AgentCore Policy LOG_ONLY and ENFORCE modesProficiency in Python for policy validation toolingFamiliarity with MS Entra claims mapping and parameter-level access control patternsSkills in identity provider integration with Entra Okta and CognitoUnderstanding of policy definition in any ABAC or RBAC system Nice to have Familiarity with LangGraph tool invocation patternsKnowledge of AWS AgentCore Gateway integration We offer We gather like-minded people:Top tech minds driving innovation in AI, cloud and digital platform modernizationSupportive team and agile, startup-like cultureHybrid by design mode and opportunity to work remotely within PolandChance to work abroad for up to 60 days annuallyBusiness-driven relocation opportunitiesWe provide growth opportunities:Career development programsThought leadership, mentoring, soft skills and well-being programsCertification (Anthropic, Gemini, GCP, Azure, AWS)English classesWe cover it all:Stable payParticipation in the Employee Stock Purchase Plan with a 15% discountBenefits package (health insurance, multisport, shopping vouchers)Referral bonuses up to $2,000Offices featuring entertainment and relaxation zones, table tennis and football, free snacks, coffee and moreCorporate, social and well-being eventsPlease, note:Benefits listed above are available to employees onlyWe are open for working with Contractors. Terms of B2B cooperation agreements are agreed individuallyWe will reach out to selected candidates exclusively EPAM is global leader in AI transformation engineering and integrated consulting, serving Forbes Global 2000 companies and ambitious startups. With over thirty years of expertise in custom software, product and platform engineering, we empower our clients to become AI-Native enterprises, driving measurable value from innovation and digital investments.