DevOps Engineer

OneSource Consulting; Brussel Hoofdstad; Sur place; EUR 70 000 - 95 000; Plein temps

Résumé du poste

OneSource Consulting is seeking a DevOps Engineer to optimize performance, automate deployments, and ensure security across production and pre-production environments. You will work with Docker and Kubernetes, implement IaC, and support monitoring and incident response.

The role requires 5+ years of experience, strong scripting skills, and familiarity with CI/CD pipelines and cloud or hybrid infrastructure. This is a hands-on position with opportunities to influence architecture.

Qualifications

• Bachelor's degree and at least 5 years of experience.
• Experience with web servers, application logic, and automation scripting.
• Knowledge of Java/JEE, PHP, .Net or similar tech.
• Knowledge of relational DBMS (PostgreSQL, MySQL, Oracle).
• Experience with Docker and Kubernetes for deployment.
• Familiarity with CI/CD tools (Jenkins, GitLab CI, Bamboo).
• Experience with monitoring/observability tools (Prometheus, Grafana, ELK).

Responsabilités

• Investigate and resolve complex application issues and implement fixes.
• Maintain performance, data integrity, and security across environments.
• Manage releases and infrastructure changes with automated deployment tools.
• Provision hybrid, cloud, and virtualized infrastructure.
• Automate tasks and provisioning using IaC and orchestration.
• Containerize and orchestrate applications to improve scalability and rollback.
• Implement observability and monitoring for rapid incident response.
• Design and document disaster recovery runbooks and incident playbooks.

Connaissances

Bash

PowerShell

Python

Java/JEE

PHP

.NET

SQL databases

CI/CD

Docker

Kubernetes

Jenkins

GitLab CI

Bamboo

Prometheus

Grafana

Formation

Bachelor's degree in Computer Science or related field

Outils

Docker

Kubernetes

Prometheus

Grafana

ELK

Dynatrace

Jenkins

GitLab CI

Bamboo

Description du poste

Duration: ASAP-End of 2026 with possible extensions

Job Description - Roles and Responsibilities

As a DevOps Engineer you will:

• Investigate and resolve complex application issues, developing permanent fixes, workarounds, or temporary patches to restore service quickly.
• Maintain and optimize application performance, data integrity, and security across production and pre-production environments using proper data sanitization and anonymization practices.
• Manage and execute seamless application releases and infrastructure changes using automated deployment tools to support strict change management and governance standards.
• Provision and adapt hybrid, cloud, and virtualized infrastructure components to continuously meet evolving operational and service needs.
• Automate repetitive tasks and system provisioning by writing scripts and leveraging Infrastructure as Code (IaC) and orchestration platforms.
• Containerize and orchestrate applications to standardize delivery pipelines, improve system scalability, and streamline rollback procedures.
• Implement observability solutions and real-time monitoring tools to track system health, ensure cybersecurity policy compliance, and enable rapid incident response.
• Design, test, and document high-availability disaster recovery plans, operational runbooks, and incident response playbooks to minimize RTO and RPO.

Qualifications:

What would make you a fit for the role:

• A relevant Bachelor's degree and minimum 5 years of experience.
• Good knowledge of the application and infrastructure stack being supported, including web servers, application logic, and scripting for automation (e.g., Bash, PowerShell, Python).
• Knowledge of Java (JEE), PHP, .Net or other technologies and/or frameworks required to perform the tasks.
• Knowledge of relational database management systems (e.g., PostgreSQL, MySQL, Oracle) for basic querying, performance monitoring, and supporting developers.
• Experience in component-based and service-oriented applications development or configuration.
• Understanding modelling languages or tools (e.g. UML).
• Experience with containerization and orchestration technologies (e.g., Docker, Kubernetes) for deploying and managing applications.
• Experience with monitoring and observability platforms (Prometheus, Grafana, ELK, Dynatrace) and experience with CI/CD pipelines (e.g., Jenkins, Bamboo, GitLab CI) for operational deployments.