Uni Systems

Kubernetes Engineer

Uni Systems  •  Wallonia, BE (Hybrid)  •  12 days ago
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Job Description

At Uni Systems, we are working towards turning digital visions into reality. We are continuously growing and we are looking for a Kubernetes Engineer to join our UniQue team.

What will you be doing in this role?

  • Design, build, and evolve highly scalable, secure, and resilient Kubernetes platforms utilizing SUSE Rancher as the central management plane.
  • Develop robust automation scripts in Python or Bash.
  • Handle the end-to-end lifecycle of RKE/RKE2 clusters (provisioning, scaling, patching and upgrading) across hybrid, multi-cloud or bare-metal environments with minimal to zero downtime.
  • Develop and maintain automated CI/CD pipelines and implement GitOps workflows (using tools like Gitlab, ArgoCD or Rancher Fleet) to streamline continuous application delivery.
  • Monitor platform health using tools like Prometheus and Grafana, respond to system alerts and troubleshoot complex containerized workload issues.
  • Enforce security policy's, including network policies, Rancher RBAC configurations and automated container image scanning.
  • Proactively monitor resource utilization (CPU, memory, persistent storage) to right-size clusters, scale nodes dynamically and optimize cloud or on-prem infrastructure.
  • Create and maintain technical documentation, including runbooks and architecture diagrams.

Requirements

What will you be bringing to the team?

  • Hold at least a High School certificate
  • 4+ years in DevOps / Platform Engineering.
  • 4+ years designing, deploying, and operating highly available production Kubernetes clusters with deep expertise in SUSE Rancher / Rancher Manager
  • Proven success leading migrations from legacy virtualized systems to containerized microservices architectures
  • Strong experience with Ansible, plus scripting in Python and Bash
  • Expert in zero-downtime deployment pipelines using GitLab, ArgoCD, and/or Rancher Fleet
  • Advanced Helm chart development for complex stateful/stateless workloads
  • Hands-on with Prometheus, Grafana, ELK, SLIs/SLOs, automated remediation; Rancher Observability is a plus.
  • Deep knowledge of RKE, RKE2, K3s, K8s and appropriate use cases.
  • Expertise in Zero Trust, Rancher RBAC, Pod Security Admission, container scanning, and governance enforcement
  • Advanced understanding of CNI technologies ( Calico, Cilium, Canal), SDN, network policies, Ingress, and Istio Service Mesh
  • Expert with CSI, disaster recovery, and highly available storage platforms such as SUSE Longhorn
  • Extensive experience across bare metal, vSphere, Nutanix, AWS, Azure, and GCP
  • Strong troubleshooting across full stack, from kernel/container runtime to networking
  • Experience mentoring junior engineers, acting as escalation point, and driving DevOps best practices
  • Active NATO SECRET clearance or higher
  • English proficiency at B2 level or above

At Uni Systems, we are providing equal employment opportunities and banning any form of discrimination on grounds of gender, religion, race, color, nationality, disability, social class, political beliefs, age, marital status, sexual orientation or any other characteristics. Take a look at our for more information.

Uni Systems

About Uni Systems

We see IT differently

Uni Systems, a distinguished member of the Quest Group, has served as a trusted ICT provider to enterprises and organisations across the European market for over six decades. Established in Greece in 1964 as the nation’s first IT company, we have been supporting our clients with commitment and expertise. Our growth has been underpinned by long-term client relationships, a comprehensive solutions portfolio, strategic partnerships, and the experience of our dedicated professionals.

With a workforce exceeding 1,800 specialised ICT experts in key subsidiaries, branches in Athens, Barcelona, Brussels, Bucharest, Luxembourg, Milan, and Limassol, and operations in more than 20 countries, we effectively address the complex requirements of European and international organisations.

Our primary focus is enabling our clients’ digital transformation journeys, and we are unwavering in our dedication to this objective.

Industry
Unknown
Company Size
1,001-5,000 employees
Headquarters
Athens, Greece, GR
Year Founded
1964
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