OpenShift & DevSecOps Engineer

Aderen; Madrid; Remote; EUR 44,000 - 46,000; Full time

Job summary

Aderen is seeking a remote Cloud & SecDevOps professional for a government-sector project focused on OpenShift cluster administration, CI/CD automation, microservices development and secure deployments. The role blends infrastructure administration with backend development and automation.

The candidate will travel to Madrid for initial equipment collection and will work fully remotely thereafter, delivering secure deployments and scalable microservices across the lifecycle.

Qualifications

• Hands-on OpenShift cluster administration experience.
• Docker build pipelines including Selenium integration experience.
• Jenkins pipelines design and Groovy automation experience.
• Develop REST API integrations with secure inter-service communication.
• Deploy and administer microservices with DB connectivity.
• Backend services development with Spring Boot based frameworks.
• Integrations with Oracle databases.
• Ansible for server automation and config management.
• Automation scripts for version-controlled deployments.
• Troubleshoot and optimize CI/CD pipelines and deployments.
• Support cloud and DevSecOps operations across the app lifecycle.

Responsibilities

• Administer and manage OpenShift clusters.
• Develop and maintain Docker build pipelines, including Selenium integration.
• Design, develop and maintain deployment pipelines using Jenkins and Groovy.
• Develop REST API integrations between microservices, ensuring secure communication and API security.
• Deploy, configure and administer microservices with database connectivity.
• Develop backend services using custom frameworks based on Spring Boot.
• Implement and maintain integrations with Oracle databases.
• Automate server configuration, administration and operational tasks using Ansible.
• Develop and maintain automation scripts for version-controlled deployments.
• Troubleshoot and optimize CI/CD pipelines, deployments and microservices environments.
• Ensure secure, reliable and efficient deployment processes across the application lifecycle.
• Collaborate with development and infrastructure teams to support cloud and DevSecOps operations.

Skills

OpenShift

Docker

Selenium in pipelines

Jenkins pipelines

Groovy scripting

Spring Boot

API security

Oracle DB integration

Ansible

CI/CD automation

Job description

RESPONSIBILITIES & TASKS:

Key responsibilities

• Administer and manage OpenShift clusters.
• Develop and maintain Docker build pipelines, including Selenium integration.
• Design, develop and maintain deployment pipelines using Jenkins and Groovy.
• Develop REST API integrations between microservices, ensuring secure communication and API security.
• Deploy, configure and administer microservices with database connectivity.
• Develop backend services using custom frameworks based on Spring Boot.
• Implement and maintain integrations with Oracle databases.
• Automate server configuration, administration and operational tasks using Ansible.
• Develop and maintain automation scripts for version-controlled deployments.
• Troubleshoot and optimize CI/CD pipelines, deployments and microservices environments.
• Ensure secure, reliable and efficient deployment processes across the application lifecycle.
• Collaborate with development and infrastructure teams to support cloud and DevSecOps operations.

Context

• Full-time position within the Cloud & SecDevOps service line, under the Technology & Cloud practice.
• Government-sector project focused on OpenShift cluster administration, CI/CD automation, microservices development and secure deployments.
• The role combines infrastructure administration, backend development, pipeline engineering and automation.
• The position is fully remote. However, the selected candidate must travel to Madrid to collect the laptop and access card.

Technical skills

OpenShift & Containerization

• Hands-on experience administering and managing OpenShift clusters.
• Strong knowledge of Docker and containerized application environments.
• Experience integrating Selenium into Docker build pipelines.

CI/CD & DevSecOps

• Experience developing and maintaining Jenkins pipelines.
• Strong knowledge of Groovy for pipeline development and automation.
• Experience designing and implementing automated deployment workflows.
• Knowledge of version-controlled deployments and release automation.
• Understanding of DevSecOps principles and secure software delivery practices.

Microservices & API Security

• Experience developing and integrating microservices.
• Strong knowledge of REST APIs.
• Experience implementing API security and securing communication between services.
• Experience deploying and administering microservices with database connectivity.
• Experience developing backend services using Spring Boot-based frameworks.
• Ability to work with custom frameworks built on Spring Boot.
• Experience integrating backend applications with Oracle databases.

Automation & Infrastructure

• Hands-on experience with Ansible for server automation and configuration management.
• Experience automating infrastructure and deployment processes.
• Ability to troubleshoot infrastructure, application and deployment issues.

Languages

• English – Professional working proficiency – Mandatory.

WE OFFER:

• Full-time Freelance contract
• Rate: €240-250 per day + VAT (according to the experience provided)
• Long-Term Project
• Location: Remote (Initial on-site visit to Madrid required to collect the access card).