Lead Engineer – Cyber Security Full Stack Engineer

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

Job summary

Target Technology Services is seeking a Lead Engineer to design, maintain, and evolve the SIEM platform across the legacy Next.js/Node.js stack and new Google SecOps integrations.

You will build full stack features in TypeScript, React, Express, Temporal, and Bull, collaborating with Threat Detection & Operations and other security teams to translate requirements into solid designs and durable capabilities.

Qualifications

• 8+ years of experience building full stack applications.
• 2+ years building backend services with Node, Express, and an ORM.
• 2+ years with a job scheduler or orchestration framework (Bull or Temporal).
• 2+ years working with relational databases such as MySQL or PostgreSQL.
• 2+ years building React or Next.js applications with TypeScript and state management.
• Experience with message frameworks (Kafka/ActiveMQ) and Redis.
• Experience in public or private cloud environments.
• Familiarity with containerization and CI/CD pipelines (Docker/Kubernetes).

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.
• Collaborate with security teams to translate detection workflows into technical designs.
• Own production readiness and operational health for SIEM services, including hosting, databases, and PCI compliance.
• Lead design reviews, code reviews, and pair programming; provide technical leadership.
• Manage software releases from start to finish and ensure observability with metrics and logs.

Skills

Full stack

Node.js

Express

React

TypeScript

Next.js

Temporal

Bull

Kubernetes

OpenTelemetry

Tools

Docker

Docker Swarm

Kubernetes

OpenTelemetry

PostgreSQL/MySQL

CI/CD

Job description

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. Find competitive benefits from financial and education to well-being and beyond at https://corporate.target.com/careers/benefits.

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. Learn more about Target here.

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. Click here if you are curious to learn more about Minnesota.

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 and 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

Please paste this url into your preferred browser to learn about benefits eligibility for this role: https://tgt.biz/BenefitsForYou_E

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 [e-mail]. Non-accommodation-related requests, such as application follow-ups or technical issues, will not be addressed through this channel.

Application deadline is : 09/03/2026

Target is one of the world’s most recognized brands and one of America’s leading retailers. We make Target our guests’ preferred shopping destination by offering outstanding value, inspiration, innovation and an exceptional guest experience that no other retailer can deliver. Target is committed to responsible corporate citizenship, ethical business practices, environmental stewardship and generous community support. Since 1946, we have given 5 percent of our profits back to our communities. Our goal is to work as one team to fulfill our unique brand promise to our guests, wherever and whenever they choose to shop. We'll contact you if you're selected for next steps. In the meantime, follow us at A Bullseye View for the latest news.

Our Benefits

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. Find competitive benefits from financial and education to well-being and beyond at https://corporate.target.com/careers/benefits.