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Senior Penetration Tester

London  ‐ Onsite

Keywords

Penetration Testing Application Programming Interfaces (APIs) Amazon Web Services Microsoft Azure Burp Suite Cloud Computing Cloud Computing Security Computer Security Consulting Common Vulnerability Scoring System (CVSS) Infrastructure Management ISO/IEC 27001 Nmap Open Web Application Security Public Service Red Team (Cyber Security) Secure Coding Simulations Vulnerability Web Applications Security Audits Mitre Att&ck National Institute of Standards and Technology (NIST) Metasploit

Description

Senior Penetration Tester
Penetration Testing/Web & Cloud Security/Red Team/Outside IR35/Fully Remote/£600 pd/ASAP Start/6 months

SR2 have partnered with a cutting-edge Cyber Security Consultancy to recruit a Senior Penetration Tester to support a large-scale security assessment programme for public sector and regulated clients. You'll work across a range of environments, identifying vulnerabilities, simulating real-world attacks, and helping to harden complex systems against evolving threats.

Required Skills and Experience:

  • Proven experience conducting penetration testing across web apps, APIs, infrastructure, and cloud environments (AWS, Azure, GCP)
  • Strong understanding of OWASP Top 10, CVSS, and secure coding principles
  • Experience with tools such as Burp Suite, Nmap, Metasploit, Kali, and custom scripts
  • Familiarity with MITRE ATT&CK, red teaming methodologies, and reporting best practices
Highly Desirable:
  • CHECK, Crest, OSCP, or CRTO certifications
  • Experience working in or alongside UK Government or regulated sectors
  • Strong reporting, documentation, and stakeholder communication skills
  • Awareness of compliance frameworks (eg, ISO27001 and NIST)
Contract Details:
  • Outside IR35
  • Hybrid working - 2 Days per month (London or Cheltenham)
  • Must be UK based
  • 6 months
  • £600 per day
  • ASAP Start
  • 1-stage interview process
If you're a seasoned Penetration Tester looking for a new contract, click Apply to get started. Alternatively, directly send a recent copy of your CV to Ben Sheppard at (see below) for an immediate discussion.
Start date
ASAP
Duration
6 months
From
SR2 - Socially Responsible Recruitment
Published at
04.07.2025
Project ID:
2894891
Industry
IT
Contract type
Freelance
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