Penetration Tester / Security Consultant)

GCS Recruitment; United States; Remote; USD 70,000 - 110,000; Full time

Job summary

GCS Recruitment seeks a Penetration Tester to join a security consultancy team. The role is remote across Europe and full-time, with 3+ years of hands-on testing experience required.

Responsibilities include testing web apps and APIs, validating vulnerabilities, and providing remediation guidance. Strong report writing and client communication skills are essential.

Qualifications

• 3+ years' hands-on penetration testing experience.
• Strong knowledge of OWASP Top 10 and API Security Top 10.
• Experience with Burp Suite, Nmap, Nessus and similar tools.
• Strong report writing and client communication skills.

Responsibilities

• Conduct web application and API security testing.
• Perform vulnerability validation and controlled exploitation.
• Develop remediation guidance and assist clients in remediation.
• Prepare clear, concise security reports and present findings to clients.

Skills

Penetration testing

Web application security

API security

Report writing

Client communication

Tools

Burp Suite

Nmap

Nessus

Job description

Penetration Tester
Remote | Europe
Full-Time

Our client is looking for a Penetration Tester with 3+ years of experience to join a growing security consultancy team.

Key Focus Areas:

• Web Application Security Testing
• API Security Testing
• Authentication & Access Control Reviews
• Vulnerability Validation & Exploitation
• Client Reporting and Remediation Guidance

Requirements:

• 3+ years' hands-on penetration testing experience
• Strong knowledge of OWASP Top 10 and API Security Top 10
• Experience with tools such as Burp Suite, Nmap, and Nessus
• Strong report writing and client communication skills

Highly preferred to have:

• CREST certifications (CRT/CCT), or OSCP+ and/or BSCP
• Experience with cloud security testing
• Exposure to AI/LLM security assessments

Join a collaborative team working on modern web applications, APIs, cloud platforms, and emerging AI technologies, with strong support for training and certifications.