Location: Delft, The Netherlands. Payment terminals and secure hardware devices are at the core of today’s financial ecosystem. These devices process highly sensitive information such as cardholder data, PINs, and cryptographic keys. Ensuring they meet global security requirements such as Payment Card Industry (PCI) PIN Transaction Security (PTS) is essential. We are looking for a PCI PTS Security Evaluator passionate about hardware and logical security. Responsibilities include hardware penetration testing, logical security testing, tamper‑resistance evaluation, code reviews, and use of lab equipment (oscilloscopes, power analysis, mechanical tools). Qualifications: technical degree (CS, EE, Embedded Systems, Physics, Mathematics) or equivalent experience; interest/experience in board‑level probing/debugging; familiarity with secure firmware, crypto, secure boot; strong learning mindset; ability to write clear technical reports in English.