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Senior Penetration Tester

Senior Penetration Tester

SR2

Posted 16 hours ago, valid for a month

London, Greater London EC1R 0WX

£600 per day

Full Time

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Sonic Summary

The position is for a Senior Penetration Tester with a leading Cyber Security Consultancy, focusing on public sector and regulated clients.
This fully remote contract offers a salary of £600 per day and is outside IR35, lasting for 6 months.
Candidates should have proven experience in penetration testing across web applications, APIs, infrastructure, and cloud environments.
A strong understanding of security principles and tools such as Burp Suite and Metasploit is required, along with familiarity with red teaming methodologies.
The ideal candidate should have relevant certifications and experience in UK Government or regulated sectors, with an ASAP start date.

Senior Penetration TesterPenetration Testing / Web & Cloud Security / Red Team / Outside IR35 / Fully Remote / £600 pd / ASAP Start / 6 MonthsSR2 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 (e.g., 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 for an immediate discussion.

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