Lead Engineer – Cyber Security Full Stack Engineer

Relha LLC; Brooklyn Park (MN); Hybrid; USD 132,000 - 238,000; Full time

Benefits offered by this job

Health benefits and 401(k)

Paid holidays and vacation

Employee discount

Job summary

Target Technology Services seeks a Lead Engineer to design, build, and evolve a SIEM platform across legacy Next.js/Node.js and new Google SecOps integrations, delivering reliable, scalable security tooling.

You will own production readiness, on-call support, and deployments, collaborating with Threat Detection, Cyber Threat Intelligence, and CSIRT to translate detection workflows into practical tech designs.

Qualifications

• 8+ years of experience building full stack applications.
• 2+ years building backend services with Node, Express, and an ORM (Sequelize).
• 2+ years working with a job scheduler or orchestration framework (Bull or Temporal).
• 2+ years of experience with relational databases (MySQL, PostgreSQL).
• 2+ years building React or Next.js applications with TypeScript, state management (TanStack Query), form validation (React Form Hooks), and component libraries (MUI).
• 2+ years of experience with a message framework (Kafka and ActiveMQ) and distributed caching (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 (Docker, Kubernetes).
• Experience with application observability using APM tools and OpenTelemetry.
• Experience on call support.

Responsibilities

• Design, maintain, and evolve the SIEM platform across the Next.js/Node.js stack and Google SecOps integrations.
• Build full stack features in TypeScript, React, Express, Temporal, and Bull.
• Partner with Threat Detection, Cyber Threat Intelligence, CSIRT, translating detection workflows into technical designs.
• Contribute independently with minimal supervision and take ownership from problem to delivery.
• Create technical designs for new features and decompose into epics and user stories.
• Review and manually test code from team members.
• Own production readiness, including hosted environments, VMs, containers, PCI compliance, observability, on-call support, and release quality.
• Own testing with automated and manual tests and participate in Level 1 on-call rotation.
• Provide technical leadership through design reviews, code reviews, and pair programming.
• Use observability metrics, logs, traces, and user feedback to improve performance and reliability.
• Manage software releases from start to finish.

Skills

Full stack development

Security

JavaScript/TypeScript

Cloud environments

On-call

Tools

Node.js

Express

Sequelize

Bull

Temporal

React

Next.js

TypeScript

TanStack Query

React Form Hooks

MUI

Kafka

ActiveMQ

Redis

MySQL

PostgreSQL

Docker

Kubernetes

OpenTelemetry

Job description

Lead Engineer – Cyber Security Full Stack Engineer

The pay range is $132,000.00 - $238,000.00

Pay is based on several factors which vary based on position. These include labor markets and in some instances may include education, work experience and certifications. In addition to your pay, Target cares about and invests in you as a team member, so that you can take care of yourself and your family. Target offers eligible team members and their dependents comprehensive health benefits and programs, which may include medical, vision, dental, life insurance and more, to help you and your family take care of your whole selves. Other benefits for eligible team members include 401(k), employee discount, short term disability, long term disability, paid sick leave, paid national holidays, and paid vacation.

About Us:

Working at Target means helping all families discover the joy of everyday life. We bring that vision to life through our values and culture.

Target as a tech company? Absolutely. We’re the behind-the-scenes powerhouse that fuels Target’s passion and commitment to cutting-edge innovation. We anchor every facet of one of the world’s best-loved retailers with a strong technology framework that relies on the latest tools and technologies—and the brightest people—to deliver incredible value to guests online and in stores. Target Technology Services is on a mission to offer the systems, tools and support that guests and team members need and deserve. Our high-performing teams balance independence with collaboration, and we pride ourselves on being versatile, agile and creative. We drive industry-leading technologies in support of every angle of the business, and help ensure that Target operates smoothly, securely and reliably from the inside out.

As a Lead Engineer, you will:

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.

Core responsibilities of this job are described within this job description. Job duties may change at any time due to business needs.

About you:

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.

This position will operate as a Hybrid/Flex for Your Day work arrangement based on Target’s needs. A Hybrid/Flex for Your Day work arrangement means the team member’s core role will need to be performed both onsite at the Target HQ MN location the role is assigned to and virtually, depending upon what your role, team and tasks require for that day. Work duties cannot be performed outside of the country of the primary work location, unless otherwise prescribed by Target.

This position may be considered for a Remote or Hybrid (known internally at Target as "Flex for Your Day") work arrangement based on Target's needs. A Remote work arrangement means the team member worksfull-time from home oran alternatelocation that's not a Target location, does not have a desk at a Target location and may travel to HQ up to 4 times a year. A Hybrid/Flex for Your Day work arrangement means the team member's core role may be performed either remote or onsite at a Target location depending upon what your role, team and tasks require for that day. Work duties cannot be performed outside of the country of the primary work location, unless otherwise prescribed by Target.

Benefits Eligibility

Americans with Disabilities Act (ADA)

In compliance with state and federal laws, Target will make reasonable accommodations for applicants with disabilities. If a reasonable accommodation is needed to participate in the job application or interview process, please reach out to [emailprotected] . Non-accommodation-related requests, such as application follow-ups or technical issues, will not be addressed through this channel.