OT Penetration Tester - Wireless (GSM / RF Mesh)

Role Overview

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.

Key Responsibilities

• Wireless OT Penetration Testing (Core)
• 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
• Functional & Protocol Validation
• Validate input/output behaviour using:
  • Meter readings
  • Commands
  • Alerts / alarms
• Verify expected responses such as:
  • Data ...