About Us

We open new horizons

Qualified specialists and engineers deliver optimal solutions

Knowledge, experience, innovation. These are – in keywords – us. But there is more behind the words. Behind them are people who are more committed, take a closer look and think more intensively: our team machine safety CE marking Occupational safety. Our qualified specialists and engineers take over the reliable support of your company and your projects – in machine safety, CE marking, occupational safety and in technical editing.

  • With team spirit, openness and the desire to drive projects forward significantly, we will accompany you and your company. Our units work in interdisciplinary teams and thus keep an eye on the big picture.
  • A specific team is carefully selected for each project.
  • Smooth communication is important to us, so a selected member of our team is always there for you. Each employee has a qualified representative.
  • Quality assurance through qualification and further training is a MUST for us, therefore only our qualified specialists and engineers take over the reliable support of your company.
  • Our engineers and specialists are highly qualified and regularly undergo further training.

Dipl.-Ing. Kirsten Zielke founded ADT-Zielke GmbH & Co. KG and since then has been steadily expanding the company as managing director – from performance profile to expansion of the qualified team. The aim is comprehensive CE all-round service as well as machine safety and occupational safety for companies in the mechanical and plant engineering sector.

Ingenieure Fachkräfte bei ADT-Zielke Ingenieurleistungen Maschinensicherheit, CE, Arbeitssicherheit

Our team


KirstenZielkeFoto Geschäftsführung ADT-Zielke Maschinensicherheit CE Arbeitsicherheit Technische Redaktion
Dipl.-Ing. Kirsten Zielke
Managing Director

I stand for the fact that we serve our customers in a legally secure, reliable and demand-oriented manner.

Our most important resource

That is our team. Dedicated. With heart and mind. Our team machine safety CE marking Occupational safety works with you – whatever problem you have to solve. For all services.

Quality of our most important resource

  • Quality assurance through qualification and further training is a MUST for us
  • Qualified specialists and engineers for every field
  • Consistent advanced training program “state of the art” for our team
  • Project and needs-oriented team selection
  • Lived quality management (ISO 9001 certified)
  • Process-oriented project management with reliable contact and representation arrangements

Extensive specialist knowledge is a matter of course for us

Our employees with specific expertise provide you with competent support.

  • Occupational safety officers / safety officers
  • Safety engineers (members in VDSI and VDI)
  • Engineers for mechanical engineering, electrical engineering, process engineering, automation engineering
  • Explosion protection officer ‒ specialist for explosion protection
  • Incident officer
  • CE-coordinator
  • Technical writers (members of tekom)
  • Certified specialised translators
  • Native-speakers, specialised translators, selected acc. to DIN EN ISO 17100
  • Officers for environmental protection (environment auditor, wast, immission protection, water protection)
  • Competent person for inspection of ladders acc. to BetrSichV and TRBS 2121
  • Accredited expert for playgrounds acc. to DIN EN 1176/7, DEULA certified
  • Seminar host for training sessions and workshops
  • Officers for fire prevention/HazMat/noise protection

Our partners




Do you want new freedoms? Come and start with us. We offer you different employment models depending on the job. Permanent employment or freelance. Flexible time management, full-time or part-time.