Senior Professional Services Engineer - OX App Suite

About the role

The Senior Professional Services Engineer will own the technical relationship with a major hosting customer, acting as the primary point of contact for escalations and operational requirements. This role involves analyzing and resolving complex technical issues across the OX App Suite 8 stack, translating customer needs into product improvements, and supporting upgrades and deployments. You will work closely with internal development teams and the customer to ensure system stability and effective communication.

Responsibilities

• Build and maintain reference labs and configurations to support customer environments.
• Analyze and resolve technical escalations (L2/L3) within the OX App Suite 8 stack.
• Translate customer feature requests and operational requirements into clear internal product feedback.
• Support customers through system upgrades, configuration changes, and new feature rollouts.
• Document solutions, workarounds, and deployment specifics for both internal and customer use.
• Participate in regular customer calls and occasional on-site visits to maintain strong technical relationships.

Required skills

• Linux
• Kubernetes
• Helm
• Bash
• Python
• Troubleshooting
• Distributed systems
• Customer-facing
• Technical documentation

Nice to have

• MariaDB
• MySQL
• Prometheus
• Grafana
• Dovecot
• IMAP
• SMTP

Qualifications

• Proven experience in a customer-facing technical role such as support engineering or professional services
• Solid hands-on experience with Linux-based server environments
• Practical experience troubleshooting distributed systems in production
• Fluency in German and English

Benefits

• Flexible working hours
• Mental health support
• Volunteer time off
• Corporate benefits
• Ergonomic furniture subsidy

About the Company

Open-Xchange develops open-source communication and collaboration software used by public sector organizations, telcos, and hosting providers to keep data secure. The company operates in a non-hierarchical environment that values expertise, diversity, and continuous professional development.