Job Description

Posted 1 week ago

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