UST is seeking a Senior Penetration Tester to join our Madrid-based Security Compliance team on a hybrid model. You will lead hands-on penetration testing engagements, validate findings, and advise on remediation strategies for a integral wealth-management client.You will work with Burp Suite, Nmap, and other tools to assess web applications, APIs, and infrastructure. English and Spanish fluency, plus eligibility to work in Spain, are required.#J-18808-Ljbffr