CareerPlan

ETCS RBC Security Test Engineer – TCB / PKI / Secure Communication

Bucharest, Ilfov, RomaniaFull-time2026-10-08 → 2026-11-10
On-site · Romania

Core

Security testing of safety-critical ETCS Level 2 Radio Block Centre (RBC) software, specifically focusing on the Trusted Computing Base (TCB), PKI, and secure communication components.

Role type

Security Test Engineer (Safety-Critical Railway Software)

Builds

ETCS Level 2 Radio Block Centre software products

Domain

Railway signaling / Safety-critical systems

Required skills

Requirements-based testing, Linux, TCP/IP networking, Tcpdump analysis, Wireshark/packet analysis, TLS/secure communication, PKI (CMP, X509), ERA UNISIG SUBSET-137 & SUBSET-146, Cryptography concepts, Cybersecurity testing, Ruby/Python scripting

Preferred skills

CENELEC EN 50128, CENELEC EN 50716, CENELEC EN 50126, CENELEC EN 50129, Railway Business experience, ETCS experience

Technologies

Linux, Ruby, OpenSSL, Wireshark, TCPDump, PKI

Responsibilities

Understand ERA/Unisig Specifications (SS-114, SS-137, SS-146), Understand cryptographic applications, Write test cases for positive & negative scenarios, Test Robustness, Perform Security-testing, Test certificates (validity, revocation, wrong/expiration keys), Test Message authentication

Seniority

Mid-level, hands-on IC