Senior DevOps / Platform Engineer – Kubernetes, GitOps & Terraform (m/f)
ARHS Group2 days ago
Luxembourg, LuxembourgSenior
Responsibilities
- Design, deploy, configure, maintain, and troubleshoot Kubernetes clusters and containerized applications.
- Architect and optimize cloud infrastructure using Terraform and Infrastructure as Code practices.
- Design, develop, and improve automated CI/CD pipelines and infrastructure provisioning workflows.
- Monitor and optimize infrastructure performance, availability, scalability, and reliability.
- Investigate complex incidents, perform root-cause analysis, and implement lasting corrective solutions.
- Apply security best practices across cloud infrastructure, Kubernetes environments, and deployment pipelines.
- Collaborate with development, infrastructure, and security teams on technical design and DevOps improvements.
- Provide technical guidance, contribute to knowledge sharing, maintain documentation, and improve infrastructure standards.
Requirements
- At least 5 years of professional experience in DevOps, Cloud Engineering, Infrastructure Engineering, or a similar role.
- Advanced hands-on experience deploying, configuring, administering, and troubleshooting Kubernetes.
- Strong expertise in Terraform and reusable Infrastructure as Code configurations.
- Experience with Docker, Podman, or similar container technologies and containerized application environments.
- Experience designing and optimizing CI/CD pipelines using Jenkins, GitLab CI/CD, Azure DevOps, or similar tools.
- Strong knowledge of Linux systems, networking, infrastructure operations, firewalls, VPN, DNS, and TLS/certificates.
- Proficiency in Bash, Python, or similar scripting languages.
- Solid experience with at least one major cloud platform, including AWS, Azure, GCP, or IBM Cloud.
- Experience with Argo CD or Flux, Helm, and Kustomize in GitOps and deployment workflows.
- Experience operating stateful Kubernetes workloads such as message brokers or databases, ideally through operators.
- Understanding of monitoring, logging, observability, secrets management, and least-privilege access.
- Strong troubleshooting, problem-solving, ownership, technical recommendation, documentation, and cross-team collaboration skills.
- Preferred qualifications include Red Hat OpenShift, IBM Cloud VPC/Kubernetes service/IAM, Kafka, PostgreSQL, Elasticsearch, Keycloak, Istio, relevant certifications, and public-sector or regulated-environment experience.
Benefits
- Office-based work in Luxembourg with in-person collaboration and flexibility to support individual work/life needs.
- Opportunities to work on complex cloud infrastructure and automation initiatives.
- Professional development and advanced technical training opportunities.
- Collaboration with experienced engineers across development, infrastructure, and security teams.
- Opportunities to influence technical decisions, own infrastructure improvements, and share expertise across the team.
Tech Stack
Apache KafkaArgo CDAWSAzureBashDockerElasticsearchGitLab CI/CDGoogle Cloud PlatformHelmIBM CloudIstioJenkinsKubernetesLinuxOpenShiftPostgreSQLPythonTerraform
Categories
About ARHS Group
ARHS Group is a Luxembourg‑headquartered IT services firm that designs and delivers custom software, data, cloud, and infrastructure solutions for public- and private‑sector clients across Europe. Founded in 2003 and privately held, it builds and operates enterprise systems, including integration architectures, APIs, and secure digital platforms, for government bodies, telecom operators, and financial institutions. The company works on complex, multi-country programs spanning on‑premises, hybrid, and cloud environments.