Senior DevOps Engineer

Company Description Devoteam is an AI-driven tech consulting firm specializing in cloud platforms, cybersecurity, data solutions, and sustainability. With nearly 30 years of tech-native expertise, we guide businesses through sustainable digital transformations to deliver tangible value. Present in over 25 countries across Europe, the Middle East, and Africa, and powered by over 11,500 collaborators, Devoteam is committed to leveraging technology to serve people. This commitment is strengthened by our strategic partnerships with leading cloud platforms like AWS, Google Cloud, Microsoft Azure, and ServiceNow. In Luxembourg, we are a strong workforce of almost 150 professionals, including an Innovative Tech Department: a focused group of around 30 specialists in cutting-edge technologies. Embracing a vendor-agnostic approach, this team cultivates deep expertise across diverse cloud providers, open-source technologies, and other innovative tools, enabling us to craft tailored solutions that best fit our clients' needs.
-

About the role
*
* You'll join Devoteam's engineering practice and work across client engagements — from financial services to large enterprises — where the infrastructure actually matters. You'll be embedded in cross-functional teams, shaping DevOps standards from the ground up, not inheriting someone else's neglected setup.

What you'll do

- Design, build, and own CI/CD pipelines across multiple projects and platforms (GitLab CI, GitHub Actions, Jenkins), from initial design to production;
- Automatedeployment and infrastructure release workflows, cutting manual toil and reducing the surface area for human error;
- Define and implement observability strategies covering metrics, logs, and distributed traces so issues are caught before users notice them;
- Design, implement, and operate Kafka-based data pipelines and real-time messaging infrastructure supporting critical business operations;
- Write Infrastructure as Code using Terraform or OpenTofu, paired with configuration management via Ansible, Salt, or Puppet;
- Investigateplatform incidents end-to-end and own the resolution — including writing the post-mortem and updating the runbook;
- Actively contributeto Devoteam's internal DevOps community through code reviews, knowledge-sharing sessions, and internal talks. Stack & technical environment
- Core: Linux (advanced administration), Kubernetes (senior level), Docker, Helm;
- Security hardening: AppArmor, SELinux, Seccomp, eBPF;
- Messaging & streaming: Apache Kafka, Kafka Streams, KSQL, Apache Flink;
- IaC & config management: Terraform, OpenTofu, Ansible, Salt, Puppet;
- CI/CD: GitLab CI, GitHub Actions, Jenkins;
- Scripting: Bash, Python, PowerShell;
- Networking: Traffic management, secure protocols, storage architectures. Qualifications:
- What we're looking for*
* Must-have:
- 3+ yearsof hands-on experience in DevOps, SRE, or platform engineering roles;
- Senior-level Kubernetesexperience, including hardening (AppArmor, SELinux, Seccomp, eBPF);
- Solid IaC background: proven experience designingpipelines, not just maintaining them;
- Experience designing and operating Kafka-based architectures for real-time data processing;
- Comfortable owning infrastructure documentation — if it isn't written down, it doesn't exist;
- Fluent in both written and spoken French and English. Nice to have:
- Certifications: CKA, CKAD, CKS, or equivalent cloud certifications (AWS, Azure, GCP);
- Experience with DevSecOps tooling: Trivy, Falco, OPA/Kyverno, HashiCorp Vault;
- Familiarity with service mesh solutions: Istio or Linkerd;
- Authentication/authorization protocols: OIDC, SAML, RBAC, ReBAC;
- Prior experience in regulated environments (banking, financial services). Soft skills: Self-starter | Able to explain technical trade-offs to non-technical stakeholders | Quick to ramp up in new team and technical environments Additional Information:
- Partner with a multi-awarded, Best Workplace & premium consulting company in Luxembourg.*
* Devoteam Luxembourg offers a vibrant work culture that promotes innovation, knowledge sharing, and continuous learning. When you join our team, you will enjoy:
- Real technical depth: You'll work on infrastructure that handles actual production load — not demo environments. Access to the latest cloud platforms (Azure, GCP, AWS) and their managed services.
- Structured growth: Devoteam's Training Center, certification sponsorship, and mentoring program. Your career path is yours to define, and we'll fund the development to get there.
- A community, not just a company: 130+ engineers from 26+ countries. Internal tech communities, regular knowledge-sharing, and a culture where you're expected to contribute — not just consume.
- Impact beyond delivery: Through the Devoteam Foundation and communities, your expertise can serve