Carl Zeiss AG is a recognised manufacturer in the electronics and medical business with their head office located in Oberkochen, Germany.
At present, what the company is primarily advertising for is Project Management, Industrial Design, and Product Development professionals. They recruit for offices in Oberkochen, Jena, Munich and 10 other locations within Germany and South Africa. At present, there are 237 unique vacancies from Carl Zeiss AG to be found on Jobspotting, such as "Fixture Technician/Assembler - Novi" and "Project Engineer - Mechanical".
Check out their social profile on Facebook - or if you are looking for a more impartial description, try their Wikipedia article. If you are interested in the company's unique vacancies, their careers page is a great starting point.