We are seeking an experienced OT Penetration Tester with strong expertise in wireless communication networks, particularly GSM and RF Mesh, within AMI / Smart Grid environments. The role focuses on evaluating the security, resilience, and performance of wireless infrastructure used in Advanced Metering Infrastructure (AMI) by conducting controlled testing and vulnerability assessments across communication protocols and networks.

• Perform penetration testing and security assessments on RF Mesh and private GSM communication networks used in OT environments.
• Identify vulnerabilities in wireless communication channels, authentication mechanisms, and data transmission processes.

• Conduct black-box testing by sending varied inputs such as meter readings, commands, and alarms to RF mesh and GSM networks.
<...