Offensive Security Consultant

Principal Offensive Security Consultant UK-Based | Some International Travel | Security Clearance Required Green is hiring a Principal Consultant to launch and lead our Clients' Offensive Security capability. This is a rare opportunity to shape a new service offering within a fast-growing, agile cyber consultancy working with UK and international clients. You’ll join a high-performing Threat Operations team, delivering advanced offensive security services—penetration testing, phishing simulations, code reviews—and play a key role in shaping how they support their clients' evolving needs. What You’ll Do Lead the creation and delivery of our clients' offensive security services Perform penetration testing, code reviews, phishing simulations, and assessments Travel internationally to support partner nations with cyber capability development Design and deliver bespoke training and mentoring packages Collaborate across the Threat Operations team to share insights and strengthen their cyber intelligence What You Bring Expertise in advanced penetration testing (web & desktop apps), phishing, and code review Strong problem-solving, communication, and stakeholder management skills Ability to teach and adapt content for global, multicultural audiences Self-starter mindset—comfortable working solo or in a team, locally and overseas Preferred Certifications (or equivalent experience): CCT INF/WEB | OSEP | OSWP | OSWE | GPEN | GWAPT This role requires UK security clearance eligibility. Ready to help build something from the ground up? Apply now!