DevSecOps Engineer with Kubernetes (f/m/x)

At least 5 years of commercial experience as a DevOps / DevSecOpsStrong Kubernetes knowledge, including networking on KubernetesHands‑on experience with Kubernetes OperatorsGood command of Go and/or Rust – at least one as primary languageSolid Linux fundamentals and experience working closely with the OSUnderstanding of mTLS / certificate‑based authentication and secure communicationsFluency in English – at least B2Residing in Poland requiredNice-to-have requirementsKnowledge of TPM / hardware security concepts (helpful, not mandatory)Previous work with Red Hat MicroShift or other edge/embedded Kubernetes distributionsExperience with PKI, certificate lifecycle automation, or service mesh concepts Join our engineering team to develop an APM operator for a Red Hat MicroShift–based platform. The operator will enable containerized applications to use mutual TLS (mTLS) for internet‑facing connectivity. You will work closely with the operating system and Kubernetes stack, designing an operator and an access layer for hardware security (TPM) to securely manage private keys.By joining us, you become a member of the Embedded Competence Center at Sii is an internal organizational unit bringing together more than 500 specialists nationwide! We are currently working on about 100 projects for 50 clients from various industries, including automotive, IoT, telecommunications, and medical. ,[Design and implement a Kubernetes Operator for a Red Hat MicroShift–based platform, Enable and automate mTLS for containerized applications (internet‑facing connectivity), Implement and integrate secure key handling (TPM access layer / hardware‑backed keys when applicable), Work on Kubernetes networking aspects (services, ingress/egress, policies, certificates), Build and maintain Linux‑level components and automation/scripts supporting the platform, Collaborate with platform/security stakeholders, document decisions, and deliver production‑ready code] Requirements: Golang, Kubernetes, Rust, Linux, TPM / hardware security, Red Hat MicroShift / edge Kubernetes, PKI and certificate management Additionally: Sport subscription, Training budget, Private healthcare, Small teams, International projects, Modern office, Free breakfast, No dress code, Free coffee, In-house trainings.