Service Engineer – Public Key Infrastructure (f|m|d)

We ensure more security in the connected world! For this purpose, achelos is looking for talented and creative minds for its headquarters in Paderborn. With your knowledge, we work together on innovative solutions in the field of cybersecurity. Sounds exciting? Then start a successful future with a leading provider.

Applications are invited from both candidates with prior work experience as well as from motivated graduates with relevant technical knowledge.

Service Engineer – Public Key Infrastructure (f|m|d)

Your future role:

As a Service Engineer (f/m/d) you will assist our customer support in the area of Public Key Infrastructure (PKI) including our Managed Services offerings. You will support our customers in the integration, configuration, and operation of PKI solutions from the achelos portfolio, process fault reports and carry out routine checks of existing systems.

Your tasks include:

  • Assist our support and managed services team
  • Process fault reports from achelos customers via Issue Tracking System, email or phone
  • Resolve fault reports, in close cooperation with our product development team
  • Technical support for our Sales at customer meetings

Your profile:

  • You have a degree in business informatics, computer science, mathematics or comparable training
  • Enthusiasm (and experience, if applicable) in customer support or technical customer service.
  • Experience with ticketing and issue tracking systems (e.g. JIRA, OTRS)
  • Experience with at least Unix/ Linux and Windows operating systems
  • Proficient in written and spoken German and English
  • Ability to familiarise yourself with complex IT systems
  • Interest for new challenges and subjects
  • Very good communication skills
  • Willingness to be available on call and occasional travel (DACH region)


The following are considered beneficial:

  • Willingness to be on call to actively support the achelos 24x7 support team
  • Experience in the area of Public Key Infrastructure (TSP, RA, CA, OCSP, CRL, Archival services, TSL, Timestamping)
  • Fundamental knowledge of network protocols and services
  • Experience in scripting languages (e.g. Python, Perl) and REST-based WEB services
  • Experience working with versioning tools (e.g. Git)
  • Experience in the area of hardware security modules (HSM)
  • Experience with products from e.g. Utimaco, Entrust, Keyfactor and MTG.
  • Experience in working with distributed systems (such as cloud solutions from well-known manufacturers)

What we offer:

  • A permanent full-time position
  • 30 days of holiday plus company closing days
  • Exciting and complex assignments in a modern, dynamic and growing company with a lot of creative freedom
  • Open and fair work atmosphere
  • Flat organizational structure based on collegial leadership
  • Flexible working hours with the option of mobile working
  • Fair pay
  • Continuing education
  • Company bike leasing
  • Company events

Apply now!

Join us and become part of our agile and growing team. Simply send us your application, salary expectations and earliest starting date!

Annette Kalz

Human Resources


+49 5251 14212-0

Annette Kalz

Human Resources

Tel.: +49 5251 14212-0

About achelos

achelos GmbH is a manufacturer-independent software development and consulting company based in Paderborn. Founded in 2008, the technology expert develops and operates highly specialised products, solutions and services that meet international security standards. In addition to general security-related topics, achelos concentrates worldwide on industry solutions in the segments like Health, Industry, Public and Connect. Its customers and partners include government institutions, private companies and organisations. The company offers an extensive portfolio and expertise in the areas of testing tools, Testing as a Service (TaaS) and certification. achelos is ISO 9001 and ISO 27001 certified. achelos Hungary Kft. has been operational since June 2022 as an additional development site in Budapest.

Go back