L3 OpenStack Engineer (m/w/d) – Winterthur Area

We are seeking an experienced L3 OpenStack Engineer to provide senior-level engineering and operational support for enterprise OpenStack environments. The role focuses on complex troubleshooting, control-plane operations, architecture validation, performance optimization, capacity planning, and the resolution of high-priority incidents. As a technical escalation point, you will guide L2 teams and contribute to the stability, scalability, and continuous improvement of cloud platform services.

Key Responsibilities:

• Provide advanced administration and engineering support for OpenStack cloud platforms.
• Lead complex troubleshooting and root cause analysis across OpenStack services and infrastructure components.
• Manage control-plane health, platform resilience, and operational readiness.
• Support multi-region and multi-availability-zone (AZ) environments, ensuring reliable and scalable service delivery.
• Validate architecture designs and provide recommendations for performance, capacity, and operational improvements.
• Act as an escalation point for critical incidents and complex operational challenges.
• Mentor and guide L2 engineers through advanced day-2 operational scenarios.
• Develop and maintain technical documentation, operational procedures, and best practices.
• Collaborate with infrastructure, Linux, Kubernetes, networking, and storage teams to ensure end-to-end platform stability.

Required Qualifications:

• Extensive experience administering and supporting enterprise OpenStack environments.
• Strong expertise in OpenStack architecture, operations, and troubleshooting.
• Solid understanding of Linux systems, virtualization, networking, storage, and cloud infrastructure technologies.
• Experience with performance analysis, capacity planning, high availability, and platform resilience.
• Proven ability to resolve complex technical issues and lead incident response activities.
• Strong analytical, communication, and stakeholder management skills.

Preferred Certifications:

• Advanced OpenStack platform certification
• Red Hat Certified Architect (RHCA) or equivalent cloud-focused certification
• Certified Kubernetes Administrator (CKA)
• Certified Kubernetes Security Specialist (CKS)
• Additional Security, Network, Storage, or Compute infrastructure certifications are advantageous

Language Requirement:

• German language proficiency at minimum B2 level is mandatory.
• The role requires the ability to participate in technical discussions, incident coordination, service reviews, change management activities, and day-to-day communication with German-speaking stakeholders, customers, and operational teams.

Citizenship Requirement:

• Applicants must hold Swiss citizenship.

Location:

• Winterthur area, Switzerland
• Candidates should be based in, or regularly available within the Winterthur region to support customer interactions, operational alignment, coordination with onsite and remote-hands teams, and participation in governance, escalation, and service review meetings as required.