Security Platform Engineer

🔥 1 hour ago

🇺🇸 United States – Remote

💵 $160k - $180k / year

⏰ Full Time

🟡 Mid-level

🟠 Senior

🏗️ Platform Engineer

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Lumin Digital

WebsiteLinkedInAll Job Openings

51 - 200 employees

💳 Fintech

🤝 B2B

☁️ SaaS

Fintech • B2B • SaaS

Lumin Digital is a company that specializes in providing next-generation digital banking solutions for credit unions and banks. Their platform offers a wide array of services, including retail and commercial banking solutions, digital account opening, and tools to enhance user engagement and operational efficiency. With a focus on innovation and cutting-edge technology, Lumin Digital leverages artificial intelligence and robust security features to offer seamless, cloud-native services with near-perfect uptime. They are known for delivering business growth and cost savings for financial institutions, adapting to new technologies, and offering an enhanced user experience.

📋 Description

• Build and operate Lumin Digital's security fabric across hundreds of environments • Build and maintain agentic AI workflows using Claude Code, MCP-based integrations, and custom agent harnesses • Automate infrastructure code review, configuration drift detection, runbook generation, and incident timeline synthesis • Build and operate security telemetry, log analytics, and observability infrastructure • Manage logging clusters, ingest pipelines, OpenSearch indexes, performance tuning, and alerting systems • Design and implement GitOps deployment workflows using ArgoCD, Argo Workflows, and Kustomize across AWS accounts and regions • Write and maintain production-quality Python applications and platform tooling • Secure and operate Kubernetes workloads in EKS using RBAC, network policies, and deployment safeguards • Design and maintain secure cross-account and multi-region infrastructure patterns using KMS, IAM roles, and VPC configurations • Participate in an on-call rotation, restore service health, document resolutions, and reduce manual intervention • Support security incidents by maintaining logging, monitoring, data availability, and tooling in coordination with Security Operations • Engineer evidence collection into platform data flows for security audits and compliance frameworks • Collaborate with Security Engineers, Risk teams, and Site Reliability Engineering • Evaluate AI-assisted engineering patterns through proof-of-concept work and promote successful approaches into standard practice • Perform other duties as assigned

🎯 Requirements

• Bachelor's degree in Computer Science, Software Engineering, Cybersecurity, or a related field, or equivalent combination of demonstrated engineering experience, shipped projects, and certifications in platform engineering, reliability engineering, or cloud-native systems • 5+ years of hands-on experience in platform engineering, infrastructure engineering, reliability engineering, DevSecOps, or a closely related technical discipline • At least 1 year of production experience with at least 2 agentic coding tools, such as Claude Code, Gemini, Cursor, Codex, AMP, or OpenCode • Demonstrated experience building and shipping production code in Python or a similarly capable language, with infrastructure-as-code tools such as Terraform • Proven experience operating cloud-native infrastructure in production, with AWS, Kubernetes, multi-account/multi-region patterns, and CI/CD pipeline integration • Experience with security telemetry platforms, GitOps deployment patterns, or reliability engineering practices in a security or compliance-sensitive context preferred • Fluency with AI-assisted development tools and ability to design, prompt, and orchestrate agents for platform engineering and security automation workflows • Hands-on experience with MCP integrations, custom agent harnesses, or AI tool-use pipelines • Strong software engineering fundamentals including version control, code review, testing, CI/CD, and API design • Strong foundation in reliability engineering, including capacity planning, SLO development, on-call experience, incident management, and operational resilience • Hands-on proficiency with AWS, including KMS, IAM, EKS, networking, and supporting services; Kubernetes; and Terraform or equivalent IaC tools • Demonstrated experience with GitOps deployment patterns and container orchestration in production environments • Experience with security telemetry pipelines and log analytics platforms such as OpenSearch, including data normalization and enrichment • Working knowledge of SOC 2, PCI DSS, CIS Benchmarks, and AWS Well-Architected • Excellent written and verbal communication, documentation, runbook, and knowledge-transfer skills • Comfort with a fully remote, async-first culture • Industry certifications such as AWS Solutions Architect, AWS DevOps Engineer, AWS Security Specialty, Terraform Associate, CKA, CKS, or GCSA are valued but not required • Open-source contributions, agent evaluation work, public writing, or talks are nice to have

🏖️ Benefits

• Medical, dental, and vision insurance • 401(k) with company match • Flexible PTO • 12 paid holidays • Paid sick leave • Paid parental and family leave • Lifestyle spending account • Tuition reimbursement • Cell phone stipend • Minimal travel, generally 12 days or less per year • Approximately two team get-togethers per year

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