Senior Offensive Security Engineers

SENIOR OFFENSIVE SECURITY ENGINEERS - LONDON (REMOTE)

£60k-£80k | Fully Remote (UK-based) | Cybersecurity Scale-Up

A fast-growing cybersecurity company is seeking Senior Offensive Security Engineers to strengthen their offensive security capabilities.

The Role:

• Conduct comprehensive penetration testing across web applications, infrastructure, APIs, and cloud environments
• Perform manual security assessments and exploitation
• Deliver client-facing penetration testing engagements
• Write detailed technical reports for various stakeholders
• Collaborate with internal teams on security improvements

Essential Requirements:

• UK Bachelor's degree in Computer Science, Cybersecurity or related subject (or UK Master's as alternative)
• 3-5 years commercial penetration testing experience
• Strong understanding of offensive security techniques, OWASP Top 10, MITRE ATT&CK
• Deep knowledge of operating systems, networking protocols, and system architecture
• Experience with penetration testing tools (Burp Suite, Metasploit, custom scripts)
• Excellent communication and report writing skills

Desirable:

• OSCP, CREST certifications
• Bug bounty participation
• Red team experience
• Cloud security testing (AWS, Azure, GCP)
• Active involvement in security community (CTFs, conferences, research)

Company Culture:

• Technical excellence and deep fundamentals valued over credentials
• Graduate-focused environment
• Continuous learning and passion for technology expected
• Looking for candidates who demonstrate genuine interest in offensive security

Location:

• Fully remote within UK, optional hybrid working from London office