Site Reliability Engineer (OpenShift)

Dellent is a consulting company focused in System Information and Telecommunications. Our goal is to help our candidates and consultants to take a step forward in their careers through projects that meet their needs and expectations.

This project is part of the business investment banking and financial services area, that currently has its technological hub in Portugal and is working on the development of innovative solutions and support for all operations related to the business.

We are looking for a Site Reliability Engineer (OpenShift) to work in this project in Porto (Hybrid).

Responsibilities

• Operate, support and troubleshoot OpenShift clusters and the containerised applications, and services running on them;
• Manage production incidents, coordinate with support teams and address recurring issues with sustainable solutions;
• Monitor platform and application health, capacity and performance against established SLAs;
• Coordinate deployments, releases, upgrades, patching and application lifecycle activities, supporting CI/CD processes with development teams;
• Coordinate application and infrastructure changes with development, Linux, networking, storage, security and database teams;
• Contribute to platform security, access management, configuration standards and operational resilience;
• Maintain documentation on platform components, application architecture, operational procedures and monitoring requirements;
• Automate operational tasks and continuously improve procedures;
• Work with development teams to define and implement application architectures that meet platform and infrastructure standards.

Requirements

• At least 9 years of experience in similar roles, including hands-on experience with OpenShift and Kubernetes platforms;
• Experience with OpenShift security concepts, including RBAC, Service Accounts, Security Context Constraints and image security;
• Experience with monitoring, logging, and alerting solutions such as: Prometheus, Grafana, OpenShift Logging or equivalent platforms;
• Experience troubleshooting platform, and application issues;
• Strong knowledge of Red Hat OpenShift architecture and core components;
• Knowledge of Kubernetes resources such as: Pods, Deployments, Services, Routes, ConfigMaps, Secrets, Persistent Volumes and Network Policies;
• Experience deploying, configuring, operating, and troubleshooting containerised applications;
• Strong knowledge of Linux environments and container technologies, including Docker or Podman;
• Experience with application build and deployment processes, including CI/CD pipelines;
• Familiarity with automation and configuration management tools such as: Ansible, Helm or GitOps tools;
• Good understanding of networking, ingress, load balancing, DNS, certificates and storage in container platforms;
• Knowledge of platform security, patching, upgrades, backup and recovery processes;
• Knowledge of scripting languages such as Shell or Python is an asset;
• Experience with cloud or on-premises infrastructure;
• Experience with OpenShift on a public cloud is a plus;
• Fluency in English (B2 or above).

What do we have to offer

• Ongoing support and regular feedback to help you grow professionally;
• Health insurance to support your well-being;
• Tailored training opportunities, with a dedicated budget to invest in the skills you want to develop;
• Opportunities to connect with your colleagues throughout the year, including team events and internal giveaways;
• Additional perks, such as birthday gifts, baby kits, an employee referral programme, and exclusive discounts with our partners.