Senior Engineer – Workload Identity Platform (SPIFFE/SPIRE)

The pay range is $98,000.00 - $176,000.00 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 . Senior Engineer – Workload Identity Platform (SPIFFE/SPIRE)   About Us   Working at Target means helping all families discover the joy of everyday life. Behind the scenes, our technology teams build and   operate   platforms that enable secure, scalable, and reliable experiences across the enterprise.   The Identity Engineering team   is responsible for   delivering modern identity capabilities that secure workloads, applications, and infrastructure. We are investing in cloud-native workload identity solutions that leverage SPIFFE/SPIRE and Zero Trust principles to provide secure service-to-service communication across Target's technology ecosystem.   About the Job   As a Senior Engineer on the Workload Identity Platform team, you will help design, build, and   operate   workload identity solutions that enable secure authentication and authorization for applications and infrastructure across cloud-native environments.   You will work closely with platform engineering, security, infrastructure, and application teams to implement and scale SPIFFE/SPIRE-based identity services, integrate with Kubernetes environments, and automate identity lifecycle management. You will contribute to architecture decisions, lead complex technical initiatives, and mentor engineers while helping   establish   best practices for workload identity across the enterprise.   Core Responsibilities   Design, implement, and support workload identity solutions using SPIFFE/SPIRE.   Deploy, configure, and   operate   SPIRE Server and SPIRE Agent infrastructure.   Design and manage SPIFFE trust domains and workload identity models.   Implement and support X.509 SVID and JWT-SVID issuance, validation, rotation, and lifecycle management.   Develop and   maintain   workload registration and attestation processes.   Design and implement integrations between SPIRE, Kubernetes, and enterprise platforms.   Develop custom SPIRE extensions, plugins, node attestors, or workload attestors where   required .   Partner with engineering   teams to   onboard workloads and applications to workload identity services.   Implement identity-aware authentication and authorization patterns for distributed systems.   Troubleshoot complex identity, authentication, authorization, and   certificate   lifecycle issues.   Contribute to platform automation, observability, reliability, and operational excellence.   Participate in architecture reviews and technical design discussions.   Mentor engineers and promote engineering best practices.   About You   Four-year degree in Computer Science, Engineering, or equivalent practical experience.   5+ years of software engineering experience designing, developing, and supporting production systems.   2+ years of hands-on experience with SPIFFE/SPIRE or equivalent workload identity technologies.   Strong software development experience in Go.   Experience building and operating cloud-native applications and services in Kubernetes environments.   Experience designing and troubleshooting distributed systems and microservice-based architectures.   Experience implementing workload authentication, identity, and trust solutions for cloud-native platforms.   Experience developing APIs, integrations, or platform services that   operate   at scale.   Strong problem-solving, debugging, and root-cause analysis skills.   Ability to work across teams and influence technical solutions through collaboration and engineering excellence.   Required Technical Skills   Workload Identity & SPIFFE/SPIRE   Hands-on experience deploying and operating SPIRE Server and SPIRE Agents.   Strong understanding of SPIFFE IDs, trust domains, and workload identity concepts.   Experience implementing and managing X.509 SVIDs and JWT-SVIDs.   Experience with workload and node attestation mechanisms.   Familiarity with SPIRE Registration APIs and Workload APIs.   Experience developing or extending SPIRE integrations.   Software Engineering   Strong   proficiency   in Go.   Experience building APIs, services, and distributed systems in Go.   Experience developing integrations, plugins, or extensions for cloud-native platforms.   Experience with Linux environments and troubleshooting.   Experience with CI/CD automation and deployment pipelines.   Kubernetes & Cloud-Native Technologies   Kubernetes administration and operations.   Helm-based deployments and configuration management.   Containerized application architectures.   Cloud-native identity and workload security patterns.   Experience operating services   in production   Kubernetes environments.   Preferred Qualifications   Experience developing custom SPIRE node attestors or workload attestors.   Experience extending SPIRE through custom plugins or integrations.   Experience with Istio,   Linkerd , or other service mesh technologies.   Experience with Envoy proxy configuration and integration.   Experience implementing   mTLS   for service-to-service