At a Glance
- Tasks: Conduct penetration testing and identify security vulnerabilities in applications.
- Company: Join Cognizant, a leader in quality engineering and assurance.
- Benefits: Full-time role with competitive salary and opportunities for growth.
- Other info: Dynamic team environment with a focus on continuous improvement.
- Why this job: Make a real impact by enhancing digital security for global clients.
- Qualifications: Must have CREST certification and hands-on penetration testing experience.
The predicted salary is between 63000 - 77000 £ per year.
Security / Penetration Testing Engineer – London
Role will be part of our Quality Engineering & Assurance (QE&A) Practice.
With more than 650 clients across industry verticals and a global footprint, Cognizant QE&A practice is a recognized thought leader in quality engineering and Assurance.
As enterprises simplify, modernize and secure their legacy environments for the digital era, robust quality Engineering and assurance is essential.
Quality takes an end-to-end connotation and must straddle both legacy and digital systems.
Cognizant QE&A is reimagining QE&A, employing an end-to-end ecosystem approach with intelligent and automated QA processes.
In so doing, increasing quality and speed to promote faster business and technology change, as well as a better customer experience.
Key Responsibilities
- Gather security requirements and define penetration testing scope by reviewing design and interface documents.
- Prepare detailed test plans, scenarios, and rules of engagement aligned with CREST and OWASP standards.
- Conduct API penetration testing (REST, Graph QL, SOAP) focusing on authentication, authorization, and business logic flaws.
- Perform UI/Web application penetration testing for vulnerabilities such as XSS, CSRF, SQL Injection, and session management issues.
- Identify and document security issues with clear reproduction steps, evidence, and remediation recommendations.
- Raise defects in tracking tools and collaborate with development teams for timely resolution.
- Provide regular status updates to stakeholders and elevate risks or challenges proactively.
- Prepare comprehensive test reports including executive summaries, technical details, and risk ratings (CVSS).
- Support re‑testing after fixes and validate remediation effectiveness.
- Ensure compliance with industry standards (OWASP ASVS, API Top 10, ISO 27001, PCI‑DSS).
- Recommend security best practices and contribute to continuous improvement of testing methodologies.
- Maintain strong documentation and communication throughout the engagement lifecycle.
- Required Skills & Certifications
- CREST certification (CRT/CPT/CPSA or equivalent) is a must.
- Penetration Testing Expertise – Strong hands‑on experience in API and UI/Web application penetration testing.
- Security Standards Knowledge – OWASP Top 10, OWASP API Top 10, ASVS, CVSS scoring, and CREST methodologies.
- API Security – REST/Graph QL/SOAP testing, OAuth2/OIDC, JWT handling, rate limiting, and authorization flaws (BOLA/BFLA).
- Web Application Security – XSS, CSRF, SQL Injection, Clickjacking, session management, CSP/CORS issues.
- Documentation & Reporting – Ability to create detailed test plans, risk logs, and clear vulnerability reports.
- Compliance Awareness – Familiarity with ISO 27001, PCI‑DSS, NIST guidelines.
- Seniority Level
- Associate
- Employment Type
- Full‑time
- Job Function
- Information Technology
- Industries
- IT Services and IT Consulting
Security / Penetration Testing Engineer – London in England employer: Cognizant Technology Solutions Corporation
Cognizant is an exceptional employer, offering a dynamic work environment where innovation and collaboration thrive. As a Manager in Intelligent Process Automation, you'll engage in high-profile transformation programmes while benefiting from a culture that prioritises consulting excellence and continuous learning. With clear career progression pathways, competitive compensation, and flexible hybrid working arrangements, Cognizant empowers its employees to grow and succeed in their careers.
Contact Details:
Cognizant Technology Solutions Corporation Recruitment Team
StudySmarter Expert Advice🤫
We think this is how you could land Security / Penetration Testing Engineer – London in England
✨Get Involved in the Cybersecurity Community
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✨Show Off Your Skills with Capture the Flag Competitions
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We think you need these skills to ace Security / Penetration Testing Engineer – London in England
Some tips for your application 🫡
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How to prepare for a job interview at Cognizant Technology Solutions Corporation
✨Sharpen Your Technical Skills
For a role in cybersecurity, it’s essential to be up-to-date with the latest tools and techniques. Brush up on your knowledge of firewalls, intrusion detection systems, and vulnerability assessment tools. Be ready to discuss specific scenarios where you’ve applied these skills, as hands-on experience can really set us apart in interviews.
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✨Highlight Your Certifications
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Since you’re going for a full-time gig, showing genuine enthusiasm for the field can make all the difference. Share any personal projects, blogs, or communities you’re part of that relate to cybersecurity. This not only showcases your passion but also your commitment to staying engaged in this ever-evolving field.
