Engineer, Software Solutions, Quantum Key Distribution

 SES Techcom is seeking a talented Software Engineer with expertise in Quantum Key Distribution (QKD) to join our growing team in Betzdorf. In this role, you will contribute to the development of SES’s next-generation QKD-based Key Management System (KMS), collaborating closely with experts across the quantum ecosystem to deliver cutting edge, quantum safe solutions for future commercial deployments.

PRIMARY RESPONSIBILITIES

• Design, develop, and maintain software components focused on QKD technologies.
• Contribute to the definition and refinement of product features for the KMS platform.
• Enhance and extend the enterprise-grade KMS, adding capabilities required for commercial, scalable, and secure service offerings.
• Work collaboratively within a multidisciplinary engineering team, adhering to modern software development best practices.

COMPETENCIES

• Minimum 5 years of professional experience in software design, architecture, or analysis.
• Proficiency in C++, Python, and/or Java.
• Hands-on experience developing simulators or emulators for space systems.
• Understanding of non-terrestrial systems, including deployment of space-based software and hardware.
• Familiarity with embedded and real-time operating systems (RTOS).
• Strong command of Git, modern version control workflows, and Linux-based development environments.
• Solid grasp of the software development lifecycle (SDLC) and associated best practices.

QUALIFICATIONS & EXPERIENCE

Required Qualifications & Skills

• Bachelor’s or Master’s degree in Computer Science, Software Engineering, Electronics, or a related field.
• Strong understanding of software engineering fundamentals, object-oriented design, and version control.
• Proficiency in C++ (C++17 or later preferred).
• Interest in embedded systems, secure communications, or aerospace applications.
• Experience working in Linux environments and with debugging tools (e.g., GDB, Valgrind).
• Curiosity, adaptability, and the ability to work effectively in an international, multidisciplinary team.
• Excellent communication skills in English.

Desirable (Nice-to-Have) Skills

• Experience with real-time or embedded operating systems (RTOS, Linux Embedded, or similar).
• Familiarity with cryptography or key management concepts.
• Knowledge of networking protocols and inter-process communication.
• Proficiency in scripting languages such as Python or Bash for automation and testing.
• Experience with software verification and validation processes in regulated sectors (space, defense, avionics).
• Basic understanding of cloud technologies or DevOps toolchains.