Cognisys

About the Company

Solutions | Testing | Knowledge Helping You Protect Your Business From Cyber Attackers Your security and compliance partner, delivering trust worldwide Cognisys are your trusted security and compliance partner delivering GRC consulting, CREST-accredited penetration testing and industry-leading vulnerability management. As Vanta’s #1 Global Service Partner, we’ve helped hundreds of businesses achieve their security compliance goals. We have a proven track record of delivering trust to companies of all sizes – from tech startups to global industry leaders.

Listed Jobs

Company Name

Cognisys

Job Title

Penetration Tester

Job Description

Job Title: Penetration Tester Role Summary: Perform comprehensive security assessments for networks, web applications, APIs, mobile apps, and cloud environments. Utilize automated tools and manual techniques to simulate real-world attacks, identify vulnerabilities, and deliver actionable insights to clients. Expectations: Deliver high‑quality reports, communicate findings to both technical and executive stakeholders, and assist in remediation prioritisation. Demonstrate strong client engagement and clear communication skills. Key Responsibilities: • Conduct penetration tests across networks, web apps, APIs, mobile apps, and cloud platforms. • Simulate real‑world attacks to evaluate client resilience. • Identify, analyse, and document vulnerabilities with actionable recommendations. • Present findings directly to clients and support remediation planning. • Use cutting‑edge tools and manual exploitation techniques. Required Skills: • Hands‑on experience in penetration testing, vulnerability scanning, and offensive security. • Proficiency with testing tools (e.g., Metasploit, Burp Suite, Nmap, Nessus, etc.). • Ability to explain complex technical findings to non‑technical audiences. • Strong analytical, problem‑solving, and report‑writing skills. • Excellent communication and client‑facing abilities. Required Education & Certifications: • Bachelor’s degree in Computer Science, Cybersecurity, or related field preferred. • Industry certifications such as OSCP, CRT, CPSA, or equivalent are desirable but not mandatory.

England, United kingdom

Hybrid

11-11-2025