Penetration Tester - 2 weeks Outside of IR35
My client is looking for a Penetration Tester to join them on a 2 week contract. Based in Shoreditch, London, you will have to be 5 days per week in the office. There is a chance it could be extended by a week potentially.
About the Penetration Tester role:
What we’re looking for:
- Information security experience in one or more of the following areas: red teaming, penetration testing, application security, or network security.
- Strong knowledge of Web, API and mobile application security testing frameworks and methodologies.
- Familiarity with penetration testing tools such as BurpSuite, OWASP Zap, SoapUI etc.
- Strong knowledge of application security best practices including OWASP Top 10.
- Should have a strong understanding of networking concepts, Windows, Linux and Mac operating systems, cloud and web application vulnerabilities and exploitation.
- Experience with threat modeling concepts and frameworks (CVSS, MITRE ATT&CK, DREAD, or STRIDE)
- Technical knowledge in software engineering, system and network security, authentication and security protocols, cryptography, and network/web related protocols (e.g., TCP, UDP, HTTP, HTTPS)
Any of these would be advantageous (but we'd still love to hear from you):
- Bachelors Degree or equivalent certification
- Security testing of cloud environments.
- Experience in offensive security tool development, customization or expansion.
- Penetration testing experience with Internet of Things (IoT) devices, mobile applications, or code review.
- One or more of the following certifications (OSCP, OSCE, GPEN, GXPN, CRTO, CREST Certified Simulated Attack Manager)
High Priority
- Offensive Security expertise
- Embedded systems / Real-Time Operating Systems / Board Support Packages
- ARM-based system architectures
- Hardware / software exploitation
Desirables
Knowledge of medical
If the above is of interest please apply to this role or call me on 0207 509 8040 or email your CV to darius.goodarzi@robertwalters.com
Robert Walters Operations Limited is an employment business and employment agency and welcomes applications from all candidates
About the job
Contract Type: Temporary Interim Management
Specialism: Technology & Digital
Focus: Information Security
Industry: Medical and Nursing
Salary: £850 - £900 per day + Outside IR35
Workplace Type: On-site
Experience Level: Senior Management
Location: London
CONTRACTORJob Reference: V6IUTV-2F013BC0
Date posted: 2 April 2026
Consultant: Darius Goodarzi
london information-technology/information-security 2026-04-02 2026-05-02 medical-and-nursing London London GB GBP 850 900 900 DAY Robert Walters https://www.robertwalters.co.uk https://www.robertwalters.co.uk/content/dam/robert-walters/global/images/logos/web-logos/square-logo.png true