DevSecOps Engineer with Kubernetes (f/m/x)

Expected, Kubernetes, Go Language, Rust, Linux

Optional, TPM / hardware security, PKI & certificate management, Red Hat, Kubernetes

About the project, 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.

Your responsibilities, 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

At least 5 years of commercial experience as a DevOps / DevSecOps, Strong Kubernetes knowledge, including networking on Kubernetes, Hands‑on experience with Kubernetes Operators, Good command of Go and/or Rust – at least one as primary language, Solid Linux fundamentals and experience working closely with the OS, Understanding of mTLS / certificate‑based authentication and secure communications, Fluency in English – at least B2, Residing in Poland required

Optional, Knowledge of TPM / hardware security concepts (helpful, not mandatory), Previous work with Red Hat MicroShift or other edge/embedded Kubernetes distributions, Experience with PKI, certificate lifecycle automation, or service mesh concepts

What we offer, Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas, Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market, We share the profit with Workers - over PLN 76M has already been allocated for this aim since 2022, Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more, Comfortable workplace – class A offices or remote work, Dozens of fascinating projects for prestigious brands from all over the world – you can change them thanks to Job Changer application, PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers, Investment in your growth – meetups, webinars, training platform and technology blog – you choose, Fantastic atmosphere created by all Sii Power People

Recruitment stages, Send your CV, Talk to us about your expectations, Learn more about our projects and choose the best, Start your adventure with Sii!

Sii Sp. z o.o., Sii is the leading technology consulting, digital transformation, engineering, and business services vendor in Poland. We already employ more than 7 300 professionals and implement projects in a variety of industries for clients from many countries around the world. The Great Place to Work title, won 10 times in a row, proves that at Sii, we create a friendly work environment., , Sii ensures that all employment-related decisions are made solely on the basis of qualifications and competencies. We are committed to equal treatment of all individuals, regardless of any protected characteristics, and promoting a diverse and inclusive work environment.

This is how we work,