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# IT Support Service - Email Services

- **Company:** retarus GmbH
- **Location:** Erfurt, Germany
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** User Authentication, Bash Shell, Configuration Management, Cyber Security, Linux, Domain Name System (DNS), Monitoring of Systems, Python (Programming Language), Log Analysis, Simple Mail Transfer Protocols, Ansible, Prometheus, Scripting, Transport Layer Security, CheckMK, Grafana, Containerization, Puppet, Docker
- **Published:** September 15, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=5726d9bc9c946e98

## About the Role

* Strong knowledge of email protocols, DNS, networking, and IT security, combined with practical experience in production environments
 * Experience handling customer escalations and production incidents, including structured troubleshooting and incident resolution
 * Hands-on experience with monitoring, ticketing, and incident management tools as well as log analysis and automation using Bash, Python, or comparable scripting languages
 * A customer-focused and hands-on mindset, strong problem-solving skills, and excellent communication skills
 * Fluent English (C1); German or French at B2 level or above is a plus, as are additional languages such as Spanish or Italian
 * Nice to have: experience with configuration management and automation tools such as Salt, Ansible, Puppet, or Chef
 * Nice to have: experience with monitoring and observability tools such as Checkmk, Prometheus, Grafana, or Loki
 * Nice to have: experience with containerized environments and orchestration, particularly Docker and Kubernetes

## Description

As Lead or Senior IT Service Engineer, you will play a key technical role in the operation of our email based services and act as a trusted technical point of contact for our customers. You will ensure reliable and efficient operation, and continuous improvement of our secure email gateway, email encryption and transactional mail services., * Support, investigate, and troubleshoot issues involving SMTP, DNS, TLS, authentication, filtering, and networking in a Linux-based environment

 * Handle complex customer cases and act as a senior escalation point
 * Coordinate incident response, communication, and resolution
 * Work with engineering and infrastructure teams on root-cause analysis and service improvements
 * Create technical documentation and mentor junior staff, At Retarus, you will work on impactful and dynamic projects, with real opportunities to make a difference. Our customers are leaders across diverse industries, with constantly evolving needs and high expectations. You'll be working with cutting-edge technology and great creative leeway to meet customers' needs - and the projects you work on will be deployed globally. Working at Retarus, you will collaborate closely with convivial, culturally diverse teammates. You will grow professionally in a dynamic and exciting workplace and design impactful solutions in real time with top companies.
Very important
Come as you are. Retarus is committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity, or veteran status.