Senior Offensive Consultant (Penetration Tester) – LT Harper

We’re looking for a Senior Offensive Consultant (Penetration Tester) who lives and breathes hacking. You’ll have hands-on CHECK experience, ideally leading technical teams, and a passion for breaking things in the name of security.

What You’ll Do:

• Mentor junior penetration testers & peer review reports
• Engage with top-tier government & commercial clients
• Shape business strategy and contribute to proposals
• Share knowledge, grow your offensive security / penetration testing skills, and be part of something exciting

What We’re Looking For:

• Proven experience in UK cyber security (CHECK, CREST, NCSC frameworks)
• Strong tech chops across networks, systems, and app security
• Excellent communicator who thrives in client-facing roles
• SC clearance eligible (DV a bonus) / (OSCP bonus)

Bonus Points For:

• R&D or threat intel experience
• Application testing or ISO17025 environments
• That hacker mindset we all love

We care about passion and skill, not paper. No degree? No problem.

Join us to work on some of the UK's most unique, high-stakes engagements—with a remote-first, passionate, and collaborative team.

Apply now for the Offensive Security / Penetration Tester role. Let’s break things together (legally). ️

Please apply online for the offensive security / penetration tester role or send your CV to c.burn@ltharper.com

Seniority level

• Mid-Senior level

Employment type

• Full-time

Job function

• Consulting

Industries

• Staffing and Recruiting
• IT Services and IT Consulting

Referrals increase your chances of interviewing at LT Harper - Cyber Security Recruitment by 2x