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