Senior Java Developer (DevOps Oriented) with OpenShift

About Atos

Atos is a global leader in digital transformation with c. 78,000 employees and annual revenue of c. € 10 billion. European number one in cybersecurity, cloud and high-performance computing, the Group provides tailored end-to-end solutions for all industries in 68 countries. A pioneer in decarbonization services and products, Atos is committed to a secure and decarbonized digital for its clients. Atos is a SE (Societas Europaea) and listed on Euronext Paris.

The purpose of Atos is to help design the future of the information space. Its expertise and services support the development of knowledge, education and research in a multicultural approach and contribute to the development of scientific and technological excellence. Across the world, the Group enables its customers and employees, and members of societies at large to live, work and develop sustainably, in a safe and secure information space.

Role Overview

We’re looking for a Java Developer with strong DevOps skills and hands‑on experience running workloads on Red Hat OpenShift. You will build Java microservices, automate delivery pipelines, and help maintain reliable, secure, and observable cloud‑native platforms.

Key Responsibilities

• Develop and maintain Java microservices (Spring Boot) integrating with databases, APIs, and Kafka/AMQ.
• Containerize applications (Docker/S2I) and optimize images for performance and security.
• Deploy and operate services on OpenShift (deployments, routes, services, config/secrets, operators).
• Build CI/CD using Tekton and manage GitOps flows via Argo CD.
• Implement observability: logs, metrics, alerts (Prometheus, Grafana, Loki/EFK).
• Automate tasks using Bash, PowerShell, Python, oc CLI, Helm/Kustomize.
• Apply DevSecOps practices: image & dependency scanning (Trivy, Clair, Snyk), RBAC, secure coding.
• Tune JVM and troubleshoot performance issues in containerized workloads.

Must‑Have Skills

• Strong Java & Spring Boot experience.
• Practical experience with OpenShift and containerization.
• CI/CD knowledge (Tekton, Maven/Gradle, GitOps/Argo CD).
• Familiarity with observability tools and cloud‑native troubleshooting.
• Understanding of DevSecOps and automation scripting.

Nice to Have

Java Certifications:

• Oracle Certified Professional (OCP) – Java SE 11 or 17
• Oracle Certified Associate (OCA) – Java SE

Cloud‑Native & Container Certifications:

• Red Hat OpenShift Developer (DO288)
• Red Hat Certified Specialist in OpenShift Administration (EX280)
• Kubernetes certifications: CKA / CKAD / CKS

Benefits 

• Hybrid work by design – work primarily from home, with only occasional on‑site presence (max. 2 days per month, often less). A setup that gives you autonomy, protects your focus time, and eliminates unnecessary office requirements.
• True work–life balance – flexible working hours and a hybrid model designed to give you control over your schedule and protect uninterrupted focus time.
• Comprehensive private medical and dental care to support your long‑term wellbeing with fast access to specialists.
• Flexible benefits platform that allows you to choose perks aligned with your lifestyle (shopping, culture, sport, wellness services).
• Co‑funded wellbeing and sport programs (Multisport, OK System, b‑active) supporting physical and mental health.
• Professional growth that matters – funding for certifications (AWS, Google Cloud, ITIL), access to industry conferences, and participation in expert communities.
• Recognition and stability – seniority rewards, additional days off and special‑occasion packages.
• A values‑driven environment with opportunities to engage in charity and eco initiatives.

What happens next?

• Quick conversation with HR
• Interview with a Manager/IT expert/project representative
• Feedback (1-5 business days after the interview)

We take care of your personal data privacy. More information about processing your data within recruitment process you can find on our website: https://atos.net/pl/polska/gdprrd

The company follows an equal opportunity policy and does not permit any form of discrimination based on gender, disability, age, origin, sexual orientation, or any other protected characteristic. All employment decisions are made solely on the basis of competence and qualifications.

Here at Atos, diversity and inclusion are embedded in our DNA. Read more about our commitment to a fair work environment for all.

Atos is a recognized leader in its industry across Environment, Social and Governance (ESG) criteria. Find out more on our CSR commitment. 

Choose your future. Choose Atos.