Penetration Tester OT

Infinite Ranges is seeking an experienced Lead
Penetration Tester to join a high-impact engagement. This role is all about offensive security—building, scripting, and executing attack scenarios across a multitude of modern IT environments. You'll work hands‑on with physical and virtual targets, execute/develop complex attack chains, and lead red team exercises. This is a unique opportunity to apply your offensive toolkit in a high‑fidelity environment and leave a lasting impact on cyber readiness.

• Develop and execute penetration testing campaigns targeting various infrastructure devices.
• Simulate realistic, multi-phase attack chains including lateral movement, privilege escalation, and multiple specific threat vectors.
• Create custom exploits, payloads, and evasion techniques against emulated and physical assets.
• Work closely with scenario designers to script repeatable red team exercises with measurable impact.
• Conduct threat emulation using TTPs based on real-world APTs and adversaries.
• Define offensive toolkits and infrastructure within the environment.
• Document post-exercise findings, attack graphs, and defensive recommendations.
• Participate in workshops and live events to demo adversarial behavior and tactics.

• 5+ years of experience in penetration testing
  , ethical hacking
  , or red team operations
  .
• Strong understanding of the MITRE ATT&CK and ICS ATT&CK, and OWASP frameworks.
• Comfort using offensive security tools
• Proficiency with scripting and automation in multiple languages.
• Ability to document complex attacks with clear objectives and results for both technical and non-technical audiences.
• Ability to lead and train Red / Blue Teams on attack vectors, attacks, IRT

• Offensive Tools:
  Metasploit
  , Cobalt Strike
  , Kali Linux
  , Impacket
  , Responder
  , nmap
  , Blood Hound, Maltego, Burp Suite
• Scripting:
  Python
  , Bash
  , Power Shell, VBA
• Platforms:
  GCP,
  AWS
  , VMware, Azure
  , Docker, Windows, Mac, Linux
• Vulnerability Analysis:
  Tenable
  , Greenbone OpenVAS
  , Qualys

• Certifications like OSCP
  , OSEP
  , GPEN
  , GXPN
  , or GRPT
• Familiarity with threat intelligence integration
• Background in industrial or manufacturing cybersecurity
• Experience mentoring blue teams / red teams
• Familiarity with ICS/OT environments (e.g., SCADA, PLCs, HMIs, industrial protocols).