Job Description

We are opening a position for a

Technical Specialist / RedHat OpenShift System Administrator

for our client based in Geneva.

Design, deploy, and maintain Red Hat OpenShift platforms Adapt and optimize OpenShift clusters (filesystem management, access control, quotas, policies) on underlying Unix/Linux systems. Install, migrate, and operate Unix/Linux environments according to our standards and processes. Plan and manage system storage and related capacity (including persistence of OpenShift volumes). Ensure security, resilience, and compliance across environments. Participate in on-call rotations Proven experience in the

banking or financial sector

Minimum

3 years as Unix/Linux systems administrator.

Proven experience deploying and operating

OpenShift or Kubernetes

in production Knowledge of major Unix/Linux distributions: IBM AIX, Red Hat Enterprise Linux (RHEL), Solaris. Understanding of storage and network technologies: memory, disk arrays, NAS/SAN, networking (TCP/IP, VLAN, load balancing). - Understanding of database concepts: maintenance, recovery, failover, high availability. Understanding of routine maintenance, recovery, and handling failover of a Database Familiarity with at least one enterprise backup solution (e.g., NetBackup, Commvault, Veeam). Specific competencies Install, configure, and maintain Red Hat OpenShift clusters (IPI/UPI, bare metal/virtualized/cloud). Mastery of Kubernetes/OpenShift concepts: projects, routes, services, deployments, statefulsets, operators, CRD, RBAC, SCC, NetworkPolicy. OpenShift lifecycle management: controlled upgrades, patches, channels, image mirroring, oc CLI. Security and compliance: Configuration of RBAC, SCC, PSa/PSP equivalents, secrets, encryption. OIDC/SAML integration with IdPs (e.g., Keycloak, Azure AD). Policies and admission control (Gatekeeper/OPA), auditing, hardening. OpenShift networking: CNI (OpenShiftSDN/OVNK), ingress/egress, routes, load balancers, service mesh (Istio/Service Mesh). Storage and persistence: Provisioning PersistentVolume/PersistentVolumeClaim, StorageClasses, CSI drivers, NAS/SAN integration (NFS, Ceph, ...). Fluent in

French

and

English

*

Swiss residence

is mandatory