Kubernetes Platform Engineer

Spektrum; Brussel Hoofdstad; Sur place; EUR 65 000 - 100 000; Plein temps

Résumé du poste

Spektrum is seeking a Kubernetes Platform Operations and Maintenance Expert to join our team in Brussels, Belgium, supporting NATO NCIA projects. You will maintain cluster operations, perform upgrades, patching, and ensure security and compliance across the Kubernetes stack.

Ideal candidates have 3+ years of hands-on Kubernetes experience, familiarity with SUSE RKE2 distributions, and strong skills in monitoring, logging, RBAC, and backup tooling; you will work with cross-functional teams in an

Qualifications

• 3+ years hands on Kubernetes operations experience.
• Experience with SUSE RKE2 Kubernetes distributions.
• Experience with monitoring, logging, repositories, ingress, CNI, and backup tooling

Responsabilités

• Cluster Health Report - node health, pod health, workloads, resource utilization, cluster events, degraded components.
• Security Compliance Report - CIS benchmark checks, RBAC audit, network policy compliance, vulnerability scan results, remediation actions.
• Capacity and Performance Report - CPU/memory/storage trends, saturation risks, performance anomalies, capacity forecasting.
• Patching and Upgrade Report - Applied patches, pending patches, quarterly upgrade status, upgrade readiness checks.
• Incident and RCA Report - Summary of P1-P3 incidents, root cause analysis, corrective actions, prevention measures.
• Configuration Drift Report - Comparison of cluster configuration vs approved baseline, drift items, remediation plan.
• Monthly Change Log - All changes applied to clusters, manifests, GitOps commits, registry updates, configuration changes
• Monthly Risk Register Update - Identified risks, severity, mitigation actions, owner, expected resolution timeline.

Connaissances

Kubernetes operations

Monitoring & logging

RBAC administration

Formation

University Degree or equivalent

Outils

SUSE RKE2 Kubernetes distributions

Prometheus Grafana

ArgoCD GitOps

Velero backup tooling

Description du poste

Spektrum have a wide range of exciting opportunities in several global locations. We are always looking to add great new talent to our team and look forward to hearing from you.

Spektrum supports apex purchasers (NATO, UN, EU, and National Government and Defence) and their Tier 1 supplier ecosystem with a wide range of specialist services. We provide our clients with professional services, specialised aerospace and defence sales, delivery, and operational subject matter expertise. We are looking for personnel to join our team and support key client projects.

Who we are supporting

The NATO Communication and Information Agency (NCIA) is responsible for providing secure and effective communications and information technology (IT) services to NATO's member countries and its partners. The agency was established in 2012 and is headquartered in Brussels, Belgium.

The NCIA provides a wide range of services, including:

• Cyber Security: The NCIA provides advanced cybersecurity solutions to protect NATO's communication networks and information systems against cyber threats.
• Command and Control Systems: The NCIA develops and maintains the systems used by NATO's military commanders to plan and execute operations.
• Satellite Communications: The NCIA provides satellite communications services to enable secure and reliable communications between NATO forces.
• Electronic Warfare: The NCIA provides electronic warfare services to support NATO's mission to detect, deny, and defeat threats to its communication networks.
• Information Management: The NCIA manages NATO's information technology infrastructure, including its databases, applications, and servers.

Overall, the NCIA plays a critical role in ensuring the security and effectiveness of NATO's communication and information technology capabilities.

The program

Assistance and Advisory Service (AAS)

The NATO Communications and Information Agency (NCI Agency) is NATO's principal C3 capability deliverer and CIS service provider. It provides, maintains and defends the NATO enterprise-wide information technology infrastructure to enable Allies to consult together under Article IV, and, when required, stand together in the face of attack under Article V.

To provide these critical services, in the modern evolving dynamic environment the NCI Agency needs to build and maintain high performance-engaged workforce. The NCI Agency workforce strategically consists of three major categorise's: NATO International Civilians (NIC)'s, Military (Mil), and Interim Workforce Consultants (IWC)'s. The IWCs are a critical part of the overall NCI Agency workforce and make up approximately 15 percent of the total workforce.

Role ID - C005025

Role Background

• The Kubernetes Platform Operations and Maintenance Expert will report to the Head of Processing and Storage Section.
• Deliver monthly artifacts; maintain cluster operations; perform upgrades and patching; maintain documentation; provide knowledge transfer; ensure compliance with defined performance SLA and internal procedures.
• Participate in weekly status update meetings, activity planning and other meetings as instructed, physically in the office, or in person via electronic means using Conference Call capabilities, according to the Team Leaders instructions.
• Tooling stack (inside the cluster): The Kubernetes Platform Operations and Maintenance Expert operate and maintain the following Kubernetes native tooling:
• Prometheus & Grafana; Logging stack; NGINX or ingress; Cilium CNI; Backup tooling; On prem registry (e.g. Harbor/SUSE); ArgoCD GitOps; Metrics server; Cert manager; Zabbix integration hooks.
• Out of Scope: Underlying VMs, storage, and network infrastructure (NCIA responsibility); disaster Recovery tests (NCIA responsibility; Service Contractor provides performance artifacts); application development or debugging; any activity outside the Kubernetes clusters.

Role Duties and Responsibilities

• Cluster Health Report - node health, pod health, workloads, resource utilization, cluster events, degraded components.
• Security Compliance Report - CIS benchmark checks, RBAC audit, network policy compliance, vulnerability scan results, remediation actions.
• Capacity and Performance Report - CPU/memory/storage trends, saturation risks, performance anomalies, capacity forecasting.
• Patching and Upgrade Report - Applied patches, pending patches, quarterly upgrade status, upgrade readiness checks.
• Incident and RCA Report - Summary of P1-P3 incidents, root cause analysis, corrective actions, prevention measures.
• Configuration Drift Report - Comparison of cluster configuration vs approved baseline, drift items, remediation plan.
• Monthly Change Log - All changes applied to clusters, manifests, GitOps commits, registry updates, configuration changes
• Monthly Risk Register Update - Identified risks, severity, mitigation actions, owner, expected resolution timeline.

Enabling activities:

• Daily monitoring of cluster health and alerts.
• Management of Kubernetes components (CNI, CSI, ingress, metrics server, CoreDNS).
• Certificate rotation and secrets management.
• RBAC administration and periodic audits.
• Network policy management.
• Vulnerability scanning and remediation inside the cluster.
• Backup operations using Commvault Velero/K10 (excluding DR tests).
• Maintaining documentation and runbooks.
• Assisting application teams with deployment troubleshooting.
• Participation in planning meetings, retrospectives, and workshops

Essential Skills, Experience and Certifications

• 3+ years hands on Kubernetes operations experience.
• Experience with SUSE RKE2 Kubernetes distributions.
• Experience with monitoring, logging, repositories, ingress, CNI, and backup tooling

Desirable Skills, Experience and Certifications

• Prior experience of working in an international environment comprising both military and civilian elements;
• Knowledge of NATO responsibilities and organization, including ACO and ACT
• University Degree + 3 years relevant experience, or equivalent.

Working Location

Working Policy

• Full time on-site

Travel

Security Clearance

• Valid National or NATO Secret personal security clearance