Senior Security Engineer with Cedar

EPAM Systems; Warszawa; Hybrid; PLN 180,000 - 240,000; Full time

Benefits offered by this job

Hybrid work design

Remote within Poland

Relocation opportunities

English classes

Job summary

EPAM Systems is seeking a Senior Security Software Engineer to implement Cedar policy libraries and policy authoring standards for the Enterprise Agent Development Platform. The role focuses on secure policy governance, access control, and policy tooling to accelerate agent deployment at scale on AWS.

The ideal candidate has 3+ years in security/backend engineering, Cedar policy expertise, and hands-on OPA experience.

Qualifications

• 3+ years of security or backend engineering experience.
• Expertise with Cedar policy language and authoring/testing.
• Hands-on experience with Open Policy Agent (OPA).
• Knowledge of AWS AgentCore Policy modes and MS Entra mapping.

Responsibilities

• Implement Cedar baseline policy library and authoring standards.
• Author and test Cedar policies for agent access control.
• Configure AgentCore Policy LOG_ONLY and ENFORCE modes.
• Build Python tooling to validate policy definitions.
• Map MS Entra claims to platform policy attributes.
• Design parameter-level access control patterns for tooling.
• Establish governance standards for policy authoring.
• Collaborate with platform and security teams to enforce access controls.

Skills

Cedar policy language

Backend security engineering

ABAC/RBAC

Identity provider integration

Python

Policy testing

Tools

OPA

AWS AgentCore

Entra Okta

Cognito

Job description

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 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

• We gather like-minded people:
  • Top tech minds driving innovation in AI, cloud and digital platform modernization
  • 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
• We provide growth opportunities:
  • Career development programs
  • Thought leadership, mentoring, soft skills and well-being programs
  • Certification (Anthropic, Gemini, GCP, Azure, AWS)
  • English classes
• We cover it all:
  • 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
• Please, note:
  • Benefits listed above are available to employees only
  • We are open for working with Contractors. Terms of B2B cooperation agreements are agreed individually
  • We 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.