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Senior Security Engineer

NRG Energy

Senior Security Engineer

The Security Engineer is a strategic, architecture-focused role responsible for defining, governing, and advancing security across our modern platforms, cloud ecosystems, AI and agent-driven capabilities, integrations, and digital experiences. This role drives the secure foundations that enable the organization to scale Power Platform, Dynamics 365 F&O, cloud-native solutions, cross-domain MCP capabilities, API ecosystems, and enterprise AI/LLM agents with confidence. The Security Engineer acts as a critical partner across Architecture, Engineering, Cloud, Cyber Security, and Data & AI to ensure that every platform, agent, automation, and application is designed with the right guardrails, governance, controls, and operational readiness to keep the business safe while accelerating transformation.

Key Responsibilities:

  • Security Architecture & Design
  • Data Protection & Encryption
  • AI, Agent & Automation Security
  • Platform & Application Security
  • Cloud Security Architecture (Azure + AWS + GCP)
  • Digital & Web Application Security
  • Governance, Compliance & SOX

Required Skills & Experience Minimum Requirements:

  • Bachelor's degree in Information Systems, Computer Science, Cybersecurity, or a related field, or equivalent work experience.
  • 8–10+ years of experience in security engineering, application/platform security, or cloud security in a mission-critical enterprise environment.
  • Hands-on experience with Azure, AWS and GCP security architecture, including identity, access, workload security, and cloud governance alignment.
  • Experience designing and implementing security controls across API ecosystems, application architectures, and integration patterns.
  • Demonstrated experience securing AI/LLM systems, agent-based workflows, and automation platforms (including MCP domain agents and orchestrator agents).
  • Experience with enterprise authentication and identity platforms, including Amazon Cognito.
  • Strong knowledge of encryption standards, data protection, and secure data handling for regulated and SOX-sensitive environments.
  • Applied knowledge of cybersecurity frameworks, including Zero Trust, OWASP Top 10, and secure SDLC practices.
  • Experience supporting governance and compliance requirements, including SOX ITGC controls, segregation of duties, and audit evidence.

Preferred Experience:

  • Power Platform and Dataverse security architecture.
  • Dynamics 365 F&O security model and SOX-aligned access controls.
  • MCP/API security patterns and agent-oriented architecture.
  • Familiarity with F5 WAF threat analysis and policy behavior.
  • Certifications such as Azure Security Engineer, AWS Security Specialty, CISSP, CCSP, or CISA.
Vacancy posted 3 days ago
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