CareerPlan

Senior Professional Services Engineer - OX App Suite (m/f/d)

Germany / Austria / NetherlandsRemoteFull-time2026-09-21 → 2026-11-11
Remote

Core

Senior Professional Services Engineer owning the technical relationship with a major hosting customer, resolving escalations, and translating operational needs into product improvements.

Role type

Senior Professional Services Engineer (Customer-Facing)

Builds

Reference labs, reference configurations, and internal development frameworks for OX App Suite 8.

Domain

Open-source communication and collaboration software (email, DNS security) for public sector, telcos, and hosting providers.

Required skills

Linux server administration, Kubernetes (Helm-based deployments), mail infrastructure (Dovecot, Postfix, IMAP/SMTP), relational databases (MariaDB, MySQL), monitoring and alerting (Prometheus, Grafana), distributed systems troubleshooting, scripting (Bash/Python), technical documentation, stakeholder management.

Preferred skills

Helm-based deployments, multi-tenant hosting environments, OX App Suite, Dovecot.

Technologies

Kubernetes, Helm, Dovecot, Postfix, MariaDB, Redis, S3-compatible storage, Rook Ceph, Keycloak, LDAP, Prometheus, Grafana, Istio, Linux, Bash, Python.

Responsibilities

Manage customer relationship including regular calls and occasional on-site visits; build reference labs and generate configurations; escalate and resolve technical issues (L2/L3) across the OX App Suite 8 stack; translate customer requirements to internal teams and vice versa; support upgrades and feature rollouts; document solutions and workarounds.

Seniority

Senior, hands-on IC