DV Cleared Penetration Tester - Remote with Client Visits

Oscar; United States; Remote; GBP 60,000 - 90,000; Full time

Job summary

Oscar is seeking an experienced DV Cleared Penetration Tester to join a UK cyber security consultancy. The role is remote with on-site testing when engaging clients, delivering CHECK-compliant assessments across networks, infrastructure and applications.

You will exploit and demonstrate vulnerabilities, support red team activities, and produce technically detailed reports with practical remediation guidance for clients. Strong DV clearance and client-facing communication are essential.

Qualifications

• 2+ years' commercial penetration testing experience.
• Strong understanding of networks, operating systems and security technologies.
• Hands-on experience with Burp Suite, Nmap and Metasploit.
• Excellent technical reporting and client communication skills.
• A genuine interest in offensive security and vulnerability research.
• Active DV Clearance and CHECK Team Member status.

Responsibilities

• Delivering CHECK-compliant penetration tests across networks, infrastructure and applications
• Identifying, exploiting and demonstrating vulnerabilities through manual and automated testing
• Supporting red team and adversary simulation engagements
• Producing clear, technically detailed reports with practical remediation advice
• Working directly with clients to scope engagements, present findings and provide technical guidance
• Developing testing methodologies, tooling and technical capabilities
• Keeping up to date with emerging vulnerabilities and offensive security techniques

Skills

Penetration testing

DV clearance

Client communication

Network & OS security

Tools

Burp Suite

Nmap

Metasploit

Job description

Oscar is seeking an experienced DV Cleared Penetration Tester to join a UK cyber security consultancy. The role is remote with on-site testing when engaging clients, delivering CHECK-compliant assessments across networks, infrastructure and applications.

You will exploit and demonstrate vulnerabilities, support red team activities, and produce technically detailed reports with practical remediation guidance for clients. Strong DV clearance and client-facing communication are essential.