Senior Penetration Tester

at  Tandem Bank

Job Title: Senior Penetration Tester
Working Pattern: Monday to Friday, 36.25 hours per week
Salary: £80,000-£90,000 + up to 20% bonus
Location: Flexible – Embrace fully remote or hybrid work from any of our vibrant UK offices in London, Cardiff, Durham, Manchester, or Blackpool.

REQUIRED EXPERIENCE:

Extensive experience in penetration testing across:

• Web Application & API Testing
• Mobile Application Security Testing (Android & iOS)
• Network Infrastructure Testing
• Cloud Security Testing (AWS & Azure)
• Proven track record in leading Red Team engagements.
• Strong knowledge of social engineering tactics and experience in executing complex phishing and physical assessments.
• Experience with Digital Forensics and Threat Intelligence integration.
• Ability to collaborate effectively with cross-functional teams and stakeholders.
• Strong understanding of attack vectors, threat landscapes, and security best practices.

• Conduct penetration tests on web applications, APIs, and mobile applications (Android & iOS).
• Perform infrastructure security assessments of network environments and cloud platforms (AWS & Azure).
• Review Firewall and Switch rules and ACLs
• Lead in Red Team exercises to assess defensive measures and identify security weaknesses.
• Execute social engineering campaigns, including complex phishing simulations and physical security tests.
• Collaborate with internal teams to define remediation strategies for identified vulnerabilities.
• Support forensic investigations and contribute to incident response activities.
• Stay updated on the latest security trends, vulnerabilities, and penetration testing methodologies.
• Contribute to the development of security processes, procedures, and best practices to strengthen the security posture of Tandem Bank.
• Prepare detailed reports for both technical teams and executive stakeholders, articulating vulnerabilities, and recommended remediation.