Lead Engineer – Cyber Security Full Stack Engineer

Target is a leading retail company that emphasizes innovation and technology in its operations. As a Lead Engineer, you will be responsible for designing and maintaining the SIEM platform, building full stack features, and providing technical leadership while collaborating with various security teams.

Responsibilities:

• Design, maintain, and evolve the SIEM platform across the legacy Next.js/Node.js application stack and new Google SecOps integrations, making pragmatic architecture decisions that improve reliability, maintainability, and migration velocity
• Build full stack features in Typescript, React, Express, Temporal, and Bull
• Partner with Threat Detection & Operations, Cyber Threat Intelligence, CSIRT, and other security teams to translate detection and investigation workflows into technical designs, resolve ambiguous or conflicting requirements, and deliver new or migrated capabilities on Google SecOps
• Contribute independently with minimal supervision. Take ownership from problem to delivery
• Create technical designs for new features. Decompose the design into epics and user stories
• Review and manual test code from other team members
• Own production readiness and operational health for SIEM services, including hosted environments, service users, virtual machines, containers, SSL certificates, databases, PCI compliance, observability, on-call support, and release quality; troubleshoot issues across the stack and drive durable fixes
• Own testing from start to finish with automated and manual tests
• Participate level 1 on call rotation
• Provide technical leadership for engineers contributing to the SIEM platform through design reviews, code reviews, pair programming, and collaborative problem solving
• Use observability metrics, logs, traces, and user feedback to improve performance, usability, and reliability
• Manage software releases from start to finish

Requirements:

• 8+ years of experience building full stack applications
• 2+ years building backend services with Node, Express, and an ORM (e.g. Sequelize)
• 2+ years working with a job scheduler or orchestration framework (e.g. Bull or Temporal)
• 2+ years of experience with relational databases (e.g., MySQL, PostgreSQL)
• 2+ years building React or Next.js applications with TypeScript, state management (e.g. TanStack Query), form validation (React Form Hooks), and component libraries (e.g. MUI)
• 2+ years of experience with a message framework (e.g. Kaffka and ActiveMQ) and distributed caching (e.g. Redis)
• Demonstrated ability to define technical designs and evolve system architecture from concept to production
• Worked on public or private cloud environments
• Worked in large codebases with multiple repositories
• Familiarity with containerization and using CI/CD pipelines to generate artifacts (e.g. Docker, Docker Swarm, Kubernetes)
• Experience with application observability using APM tools and OpenTelemetry
• Experience on call support