What we are looking for

Our people are the driving force behind our continuous growth and development, as they deliver high performance for our customers and business partners, meeting their fast-changing needs.

THEON INTERNATIONAL is actively seeking ambitious people, eager to work in a competitive and motivating organization. We look for outstanding personalities, result-oriented people, able to create and implement new ideas, assume responsibilities and achieve specific targets. We appreciate taking initiatives, clear thinking and organizational skills.

We seek to support the new generation of scientists, providing them with opportunities for employment and growth, through the internship program. 

If you are interested in joining our company, please check our vacancies and apply to the one that fits your profile. All applications will be reviewed, but the applicants that match the criteria shall be considered.






All information submitted to this site will be treated as strictly confidential.




Available positions

Electrical or Mechanical Engineer 

Business Development Manager

Optical Engineer

Electronic Engineer










*All information required 


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Theon International' facility is in the industrial zone of Koropi, close to the Athens International Airport with a total area of 4,000 square meters of which the current building occupies 1,200. THEON  is in the possession of the necessary building licenses to double the production area to 2,400 square meters in case of a large increase of order inflow. In addition to this, the Singapore facility can be used to increase production. Theon's premises are currently undergoing redesign.









Theon International' Headquarters 

Theon's premises are currently undergoing redesign and our new offices will be ready to receive Theon's personnel, customers and visitors by the beginning of 2017!

Theon Sensors' renovated offices


The R&D department uses modern and state of the art computer-added design tools such as:
Optical Design: "CODE V" (Optical Research Associates)
Mechanical / System Design (CAD/CAM): PTC/Creo
Reliability and ILS: Windchill Quality Solutions (Relex 2011)
PCB design: Altium designer
Image processing/Algorithm Design and testing: Matlab
HDL/FPGA design: Xilinx ISE, Synopsys Synplify, Modelsim

Theon Sensors' R&D department







Test and measurement equipment
THEON INTERNATIONAL has an extensive range of test and measurement equipment, many of which are in-house designed and assembled. These instruments enable Theon Sensors to carry out a number of tests and measurements of optical elements, component groups and complete systems. Amongst others, the following equipment are available:
Test Stations for day optics
Test Stations for night optics
Test Stations for thermal systems
Calibration and metrology equipment
Temperature chamber for low and high temperature tests
For further tests such as weapon shock, cargo drop, salt fog test etc., THEON uses certified test laboratories in Greece and abroad.

Optical Assembly 
The assembly of optical components is being done in class 100 (FED-STD-209E) flow-boxes which are located in a 10,000 class clean room. Special care is given to ensure that all components are clean and free of dust or other impurities. Our personnel is properly trained to carry out the assembly of such optical elements. 

System Assembly 
The assembly of the complete system and its accessories is done in a clean room of class 100,000. Electronic modules are being handled in a special area, which is electrostatically protected. 

The storage area is a protected room where optical, mechanical and electronic components are being stored. Part of the storage area is specially controlled in accordance to ITAR requirements, such as US image intensifier tubes. 

CNC workshop 
THEON's CNC workshop is equipped with multi-axis CNC machines, which can cut metal and plastics. The machines are programmed either manually or directly through the CAD/CAM connection from the design department. 

Theon Sensors' Lab


THEON INTERNATIONAL maintains a quality assurance and management system in accordance with ISO 9001. THEON is a NATO Security certified company. Its Facility Security Plan is approved and controlled by the Hellenic Ministry of Defence regarding the application of measures that ensure the security of sensitive products, military material, documentation and other information as well as personnel security.
THEON INTERNATIONAL is enlisted in the Defence Material Manufacturers Registry of the Hellenic MoD. Additionally, showing exceptional performance in the fulfilment of its contracts, THEON has received from numerous customers relevant certificates of achievement. Some of these certificates are the following:

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