Cyber Security Engineer

About this role

Lumin Digital seeks a Cybersecurity Engineer to design and build self-healing security infrastructure for a cloud-hosted banking platform. You'll architect cryptographic lifecycle management, security telemetry pipelines, and compliance automation across hundreds of AWS and Kubernetes environments while leveraging AI-assisted engineering tools daily.

What you'll do

• Engineer security infrastructure including telemetry pipelines, cryptographic material lifecycle, and compliance automation across AWS and Kubernetes at scale
• Build and maintain agentic AI workflows using Claude Code, MCP integrations, and custom harnesses to automate security tasks like vulnerability detection and drift monitoring
• Design cryptographic material lifecycle systems with automated key generation, storage, rotation, and revocation as code
• Embed security controls into deployment pipelines to prevent vulnerabilities at build time using policy-as-code and automated playbooks
• Develop threat models, security telemetry systems, and architectural patterns for the broader engineering organization
• Support incident response, vendor evaluations, and security reviews while consulting on architectural decisions across teams

What they're looking for

• AI-assisted development tools (Claude Code, Gemini, Cursor) with production agent experience
• Python or similar capable programming language for infrastructure and security automation
• AWS, Kubernetes, and cloud-native containerized environments
• Infrastructure-as-code tools (Terraform) and CI/CD pipeline integration
• Security telemetry platforms (OpenSearch) and PKI/certificate lifecycle management
• MCP integrations and custom agent harness development
• Software engineering fundamentals: version control, testing, code review, API design
• Compliance automation and threat modeling