Senior Offensive Security Engineers

Lynx Recruitment Ltd; Remote; GBP 60,000 - 80,000; Full time

Job summary

A UK-based technology recruitment firm is looking for a Senior Offensive Security Engineer. The role is fully remote, with options for hybrid work from a London office. Candidates will perform penetration testing across web applications, infrastructure, and cloud environments, write detailed reports, and work with internal teams on security enhancements. Essential qualifications include a Bachelor's degree in Computer Science or Cybersecurity, along with 3-5 years of experience in penetration testing.

Qualifications

• 3-5 years commercial penetration testing experience required.
• Strong understanding of OWASP Top 10 and MITRE ATT&CK.
• Deep knowledge of operating systems and networking protocols.

Responsibilities

• Conduct penetration testing across various environments.
• Write detailed technical reports for stakeholders.
• Collaborate with teams on security improvements.

Skills

Penetration testing

Offensive security techniques

Communication skills

Education

UK Bachelor's degree in Computer Science or Cybersecurity

Tools

Burp Suite

Metasploit

Job description

SENIOR OFFENSIVE SECURITY ENGINEERS - LONDON (REMOTE)

£60k-£80k | Fully Remote (UK-based)

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.