We are looking for a highly specialised OT Penetration Tester with strong experience in wireless communication networks (GSM and RF Mesh) within AMI / Smart Metering environments .

This role focuses on black-box security testing of OT networks , validating communication flows, resilience, and protocol-level vulnerabilities across large-scale distributed infrastructure.

• Perform black-box penetration testing on RF Mesh and private GSM networks in AMI environments
• Simulate real-world attack scenarios without access to internal system logic
• Test communication between smart meters, concentrators, and head-end systems

• Validate input/output behaviour using:
  • Meter readings
  • Comma...