Security Platform Engineer

Location: US
Workplace: Remote
Employment: Full Time
Salary: —

Posted 3mo ago

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Responsibilities

Build and operate Lumin's security fabric
Build and maintain agentic AI workflows
Build and operate security telemetry, log analytics, and observability infrastructure
Design and implement deployment workflows using GitOps patterns
Write and maintain production-quality Python applications and tooling
Secure and operate Kubernetes workloads in EKS
Design and maintain secure cross-account and multi-region infrastructure patterns
Participate in an on-call rotation for security infrastructure services
Provide engineering support during security incidents
Support internal security audits and compliance frameworks
Collaborate with other Security Engineers, Risk teams, and core Site Reliability Engineering
Evaluate emerging AI-assisted engineering patterns and tooling

Requirements

Bachelor's degree in Computer Science, Software Engineering, Cybersecurity, or related field, or equivalent experience
5+ years of hands-on experience in platform engineering, infrastructure engineering, reliability engineering, DevSecOps, or related discipline
At least 1 year of production experience with at least 2 agentic coding tools
Demonstrated experience building and shipping production code in Python or similar language
Demonstrated experience with infrastructure-as-code tools such as Terraform
Proven track record of operating cloud-native infrastructure in production
Deep familiarity in AWS, Kubernetes, multi-account / multi-region patterns, and CI/CD pipeline integration
Fluency with AI-assisted development tools like Claude Code and similar agentic coding assistants
Ability to design, prompt, and orchestrate agents for platform engineering and security automation workflows
Production experience where AI was load-bearing in the build
Hands-on experience shipping at the agentic tool layer: MCP integrations, custom agent harnesses, or AI tool-use pipelines
Strong software engineering fundamentals: version control, code review, testing, CI/CD, and API design
Ability to write production-quality, maintainable code
Strong foundation in reliability engineering: capacity planning, SLO development, on-call experience, incident management
Designing for operational resilience in security and compliance-sensitive contexts
Calm under pressure when systems break
Hands-on proficiency with cloud-native platform engineering: AWS (KMS, IAM, EKS, networking, and supporting services), Kubernetes, and Terraform or equivalent IaC tools
Demonstrated experience with GitOps deployment patterns (ArgoCD, Argo Workflows, Kustomize, or similar)
Demonstrated experience with container orchestration in production environments
Experience with security telemetry pipelines and log analytics platforms (OpenSearch or similar)
Experience with data normalization, enrichment, and structural fidelity for downstream automation
Working knowledge of cloud security and compliance frameworks (SOC 2, PCI DSS, CIS Benchmarks, AWS Well-Architected)
Ability to translate control requirements into automated, auditable systems
Self-directed engineering mindset with a bias toward action
Low tolerance for manual toil and a drive to eliminate recurring work through automation
Excellent written and verbal communication
Ability to translate complex platform architectures into clear documentation, runbooks, and knowledge-transfer materials
Comfort with a fully remote, async-first culture

Preferred

Experience with security telemetry platforms (OpenSearch or similar), GitOps deployment patterns (ArgoCD, Argo Workflows, Kustomize, or similar), or reliability engineering practices in a security or compliance-sensitive context
Contributions at the edge of what's possible with platform reliability and AI, including open-source projects, agent evaluation work, public writing, talks, or similar

Skills

Python
Terraform
AWS
Kubernetes
EKS
IAM
KMS
VPC
GitOps
ArgoCD
Argo Workflows
Kustomize
OpenSearch
Claude Code
MCP

Security Platform Engineer

Responsibilities

Requirements

Preferred

Skills

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