CareerPlan

Principal Penetration Tester

United KingdomRemoteFull-time£105k2026-11-06 → 2026-11-10
Hybrid

Core

Lead offensive security engagements (vulnerability assessments, penetration testing, adversary emulation) for critical infrastructure clients in oil, gas, electric, water, and manufacturing sectors.

Role type

Associate Principal OT Penetration Tester

Builds

Proprietary tools, behavioral analytics, and detection content for Dragos platform

Domain

Industrial Control Systems (OT) Cybersecurity

Required skills

OT penetration testing methodologies, OT architecture (SCADA, DCS, historians), offensive security tooling (Metasploit, Cobalt Strike, Burp Suite), network analysis, LLM usage for testing/reporting

Preferred skills

None stated

Technologies

Metasploit, Nmap, Kali Linux, Cobalt Strike, Burp Suite, LOTL toolsets, C2 frameworks

Responsibilities

Lead complex industrial penetration testing and purple teaming engagements; define methodologies and red team tactics; translate findings into R&D priorities for detection tools; evolve internal playbooks; present strategic guidance to C-suite; represent company as industry thought leader; mentor teams

Seniority

Associate Principal, technical leadership & mentorship