Principal Penetration Tester (9 Month FTC)
We are seeking an experienced Principal Penetration Tester for a 9-month fixed-term contract. This is a senior technical role for a security professional who can lead complex penetration testing engagements, provide expert advice, and help strengthen security across a diverse technology environment. You will work with technical and business stakeholders to assess risk, identify vulnerabilities, and communicate practical recommendations that support informed security decisions.
Your responsibilities will include planning and delivering penetration tests across web applications, APIs, mobile applications, networks, cloud environments, infrastructure, and other relevant platforms. You will define testing scope, select appropriate methodologies, conduct manual and tool-assisted assessments, safely validate vulnerabilities, and produce clear, evidence-based reports. You will present findings to both technical and non-technical audiences, explain potential business impact, agree remediation priorities, and support follow-up activities where required. You may also be expected to review third-party testing outputs, contribute to threat modelling and security architecture discussions, and assist with improving penetration testing processes, standards, and documentation.
Applicants should have substantial hands-on experience in penetration testing, ideally including responsibility for leading engagements or acting as a technical authority. Strong knowledge of common attack techniques, vulnerability assessment tools, secure development principles, and industry testing frameworks is essential. Experience with cloud technologies, modern web architectures, identity and access management, and scripting or programming languages would be advantageous. Relevant professional certifications such as CREST, OSCP, OSCE, GXPN, CHECK, or equivalent credentials are desirable. You will need excellent analytical, report-writing, and stakeholder-management skills, along with the ability to work independently, manage competing priorities, and deliver high-quality outcomes within agreed timescales.
Principal Penetration Tester (9 Month FTC)
Other similar jobs
Popular job searches
Your next job
starts here.
JOB SPECIALISMS
LATEST JOBS
TOP SEARCHES
LOCATIONS
- Security Engineer
- Security Analyst
- IT Security Manager
- Security Consultant
- Security Architect
- SOC Analyst
- Identity Access Management IAM
- Cyber Security Consultant
- Data Protection
- Penetration Tester
- Application Security
- Information Security Officer
LATEST JOBS
- DevSecOps Architect - Director
- Enterprise Identity & Access M...
- Senior Vehicle Security Engine...
- Head of Department, Cyber & In...
- Head of InfoSec
- Staff Product Security Enginee...
- DevSecOps/ Test Automation Arc...
- Delivery Consultant - Security...
- Senior Assistant, Insider Thre...
- Security Engineer
- Data Protection Officer
- Senior Embedded Software Engin...