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Salary
≈ $35k – $79k per year (Estimated)
Location
Hybrid (Koropi, Greece)
Seniority
Senior

Confirmed on the employer's own hiring board on Oct 18, 2026. First seen by Alion on Oct 11, 2026.

Overview
Company
Impact
Profile match
Theon International is a Greek defense technology company that develops electro-optical systems for defense and security applications. Its engineering teams hire software, embedded, FPGA, PCB and mechanical engineers as well as technical pre-sales engineers. The company is headquartered in Koropi, Athens, Greece.

Location: Koropi, Attica

Industry: Defense Sector

Employment Type: Full-Time

Working model: Hybrid

ΤHEON GROUP of companies develops and manufactures cutting-edge night vision and thermal Imaging systems for Military and Security applications with a global footprint. THEON GROUP started its operations in 1997 from Greece and today occupies a leading role in the sector thanks to its international presence through subsidiaries and production facilities in Greece, Cyprus, Germany, the Baltics, the United States, the Gulf States, Switzerland, Denmark, Belgium, Singapore and South Korea. THEON GROUP has more than 200,000 systems in service with Armed and Special Forces in 71 countries around the world, 26 of which are NATO countries. THEON INTERNATIONAL PLC, the group's parent company, has been listed in the EURONEXT stock market, allowing THEON GROUP to accelerate its growth and further future business development. www.theon.com

Role Summary

The Embedded Software Engineer - Linux, will operate within a multi-disciplined group of Optical, Mechanical, FPGA, and Electrical Engineers. The candidate will closely collaborate with experts from all fields to define and produce embedded software applications for the company's line of products based on the Linux kernel, and support production and field operations. This position is an excellent opportunity to participate in the definition of new advanced electro-optical systems and have an impact on the company’s growth.

Responsibilities

  • Design, develop, test, and maintain embedded software applications for various hardware platforms running a Linux based OS.
  • Collaborate with hardware engineers, FPGA engineers and software developers to define the application requirements and specifications.
  • Implement kernel modules, low-level drivers, protocols, communication interfaces and applications.
  • Optimize the application to ensure high performance, efficiency, and reliability.
  • Debug and troubleshoot application-related issues.
  • Contribute to the development of technical documentation.

Qualifications

  • University degree in a related field.
  • Proven experience in embedded Linux-based development.
  • Proficiency in C/C++ programming languages.
  • Strong understanding of embedded systems, real-time operation, low level HW interfaces and kernel/driver development.
  • Familiarity with Yocto Project.
  • Proven experience with at least one of the following topics:
  • Computer vision applications.
  • Graphical User Interface applications.
  • Augmented reality applications.
  • Experience with version control systems (e.g., Git).

Preferred Skills

  • Familiarity with FPGA based embedded systems.
  • Familiarity with Zynq and/or NXP iMX series of application processors.
  • Familiarity with scripting languages (e.g. Python).
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