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

Continue to make an impact with a company that is pushing the boundaries of what is possible. At NTT DATA, we are renowned for our technical excellence, leading innovations, and making a difference for our clients and society. Our workplace embraces diversity and inclusion – it’s a place where you can continue to grow, belong, and thrive.

Your career here is about believing in yourself and seizing new opportunities and challenges. It’s about expanding your skills and expertise in your current role and preparing yourself for future advancements. That’s why we encourage you to take every opportunity to further your career within our great global team.

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.

Workplace type:

Equal Opportunity Employer
NTT DATA is proud to be an Equal Opportunity Employer with a global culture that embraces diversity. We are committed to providing an environment free of unfair discrimination and harassment. We do not discriminate based on age, race, colour, gender, sexual orientation, religion, nationality, disability, pregnancy, marital status, veteran status, or any other protected category. Accelerate your career with us. Apply today