Mid-level DevOps – Database -C.

About Proximus NXT

Proximus NXT Luxembourg supports all organizations in their digital transformation, by providing holistic ICT & Telecommunication solutions, as well as tailored managed services. With our partners and customers, we co-create opportunities and enable growth in a secure and sustainable manner. As a result of our unique expertise in next-gen IT services, mobile and advanced connectivity, we help our customers achieve their ambitions and realize their vision.

Together with them and our partners we implement sovereign and trusted solutions that make people work smarter.– www.proximusnxt.lu

Your mission :

Join our innovative teams as a Mid-level DevOps Engineer for the database team, where you will play a pivotal role in the delivery of our database services across cloud and on-premises environments.

This team is responsible for designing, implementing and maintaining the full lifecycle of the database solutions. If you have hands-on experience with Python, AWS, Kubernetes, on-premises virtualisation/VMs, and strong database fluency with Oracle and PostgreSQL, then we invite you to be a key contributor to these subjects.

Key takeaways: Python, Oracle, PostgreSQL, AWS and Kubernetes skills are vital.

Responsibilities:

1. Software Development:
   • Collaborate with team members to write efficient, reusable, and maintainable code.
   • You show code ownership through team code reviews, SonarQube quality checks and implementation of Cosmos best practices.
   • Contribute to the continuous improvement of existing services by identifying opportunities for optimization.
   • Write unit tests and integration tests where necessary to increase the confidence during development and deployment of the code.
2. Pipeline and Infrastructure Development:
   • Collaborate with team members to build, maintain, and optimise pipelines (build, test, deploy, rollback) for database service automation code in GitLab.
   • Develop and manage Kubernetes Custom Resource Definitions (XRDs) and utilise Crossplane to deploy databases across cloud and on-prem environments.
3. Automation and Orchestration:
   • Utilise Infrastructure as Code (IaC) and scripting to automate environment provisioning, configuration, patching, backups, DR testing, and routine operational tasks.
   • Suggest and implement automation of deployment and configuration tasks, including automated deployment strategies (blue/green, canary).
4. Collaboration:
   • Work closely with cross-functional team members, including operations, DBAs, and other developers, to improve reliability, scalability, and developer productivity.
   • Participate in agile ceremonies to foster effective collaboration within the squad.Engage in knowledge-sharing activities and contribute to the collective expertise of the team.
5. Documentation and Monitoring:
   • Document infrastructure, code, scripts, and configurations to ensure maintainability and knowledge transfer within the squad.
   • Monitor system health, capacity, performance, and costs; establish monitoring rulesets and alerting.
6. Security and Administration:
   • Secure the software supply chain and enforce least-privilege access.
   • Administer and automate Oracle and PostgreSQL operational tasks, including migrations, backups/restores, replication, upgrades, and performance tuning in both cloud and on-prem setups.
7. Troubleshooting:
   • Troubleshoot production issues, conduct root-cause analysis, and implement preventive fixes.

Your profile :

Qualifications:

Technical Skills:

• Strong experience with AWS core services (RDS, EC2, VPC, IAM, ALB/NLB, S3, EKS or ECS, CloudWatch/CloudTrail) and on-prem virtualisation (VMware/Hyper-V/KVM/Nutanix) including networking, load balancing, and storage.
• Proficiency with:
  • IaC: Terraform or CloudFormation; config management: Ansible.
  • CI/CD: GitLab and Jenkins.
  • Containers and Orchestration: Docker and Kubernetes (EKS, on-prem K8s, or OpenShift), including experience with writing XRDs and utilisation of Crossplane for infrastructure management.
  • Scripting: Python and Bash.
  • Database Operations: Strong fluency in Oracle and PostgreSQL.
• Experience with zero-downtime database changes and complex data migrations.
• Familiarity with backup/archival solutions and retention policies for regulated environments.
• Knowledge of event-driven architectures and messaging (e.g., Kafka).

Experience:

• Minimum of 5 years in DevOps/Platform Engineering roles supporting production systems.
• Proven track record of working in a collaborative and agile development environment.

Soft Skills:

• Excellent communication skills with the ability to convey technical concepts clearly.
• Proactive attitude with a strong commitment to continuous learning and improvement.
• Strong team player.

Education:

• Bachelor’s degree in Computer Science, Information Technology, or a related field.

Requirements:

• EU citizenship.
• Fluency in English (written and spoken) is required; proficiency in any other European language is a plus.

Our offer :

A professional and stimulating work environment in the IT & telecom sector. Multiple career opportunities within the Proximus Group at national and international level, cutting-edge training in new technologies, a wealth of recognized expertise. We also offer an attractive salary package and many other benefits.

Our company is an equal opportunity employer, valuing diversity in all its forms. We firmly believe that each individual brings a unique richness to our teams, and we are committed to creating an inclusive environment where every voice counts.

If at the end of the process your application is successful, you will be asked to provide an extract from your criminal record. Your personal information will be handled in compliance with applicable data protection laws.