Role Description
We are looking for the very Top Talent…and we would be delighted if you were to join our team! More in details, UST is a multinational company based in North America, certified as a Top Employer company with over 35.000 employees all over the world and presence in more than 30 countries. We are leaders on digital technology services, and we provide large-scale technologic solutions to big companies.
What are we looking for?
We’re looking for an Senior Penetration Tester. You will join a strategic project with a integral client in the wealth management sector.
As an Exposure Management Technical Expert within our Security Compliance Competence Centre (SCCC) in Madrid, you will play a key hands‑on role in strengthening our proactive security testing program.
Acting As An Internal Penetration Testing Specialist, You Will
Validate external security findingsEnsure technical quality and reproducibility of deliverablesSupport the scoping and execution of penetration testing engagements
You will collaborate closely with Exposure Managers, application and technology teams, and external vendors to ensure consistent and high-quality testing practices across the organization.
Key Responsibilities
Penetration Testing & Validation
Reproduce and validate vulnerabilities and their remediation using tools such as Burp Suite and NmapApply manual and automated techniques across web applications, APIs, and infrastructure
Technical Quality Assurance
Review penetration testing reports to ensure:AccuracyCompletenessClarityReproducibility of findings
Scoping & Advisory
Support risk-based scoping of penetration testing engagementsAct as a technical advisor on:Security testing methodologiesFindings interpretationRemediation strategies




Security Standards & Best Practices
Ensure alignment with:OWASP Testing GuideOWASP Top 10Internal security standards
False Positive & Risk Management
Analyze reported vulnerabilities and identify false positivesEnsure correct classification and prioritization
Remediation & Hardening
Provide technical guidance to development and infrastructure teamsCollaborate with architects on secure and resilient baseline configurations
Collaboration & Knowledge Sharing
Work closely with Exposure Managers and global technical teamsShare insights, patterns, and lessons learned to improve internal practicesSupport consistent execution across all penetration testing activities
Your Profile
Required Qualifications
Bachelor’s degree in Computer Science, Information Security, or equivalent experience3–5 years of hands‑on experience in:Penetration testingApplication securityVulnerability assessmentStrong experience with web application security testing tools (e.g., Burp Suite)Solid understanding of:OWASP Top 10 vulnerabilitiesExploitation techniquesAbility to:Read, understand, and reproduce penetration testing findingsCommunicate technical topics to non-technical stakeholdersKnowledge of:HTTP/S protocolsAuthentication mechanismsModern web architectures (APIs,



microservices)Strong analytical and problem-solving skillsProfessional proficiency in English and SpanishEligibility to work in Spain
Nice to Have
Certifications such as:OSCP, eWPT, CEH, GWAPT, Burp Suite Certified PractitionerExperience:Reviewing third-party security reportsWorking with external testing vendorsInfrastructure/network penetration testingSecure code review or secure development practicesProgramming/scripting skills (e.g., Python, JavaScript)Experience in financial services or regulated environmentsFamiliarity with DevSecOps or CI/CD security integrationGerman language skills
Location: Hybrid. Madrid city centre (Sol area). 3 days a week in the office.
What can we offer?
23 days of Annual Leave plus the 24th and 31st of December as discretionary days!Numerous benefits (Health Care Plan, teleworking compensation, Life and Accident Insurances).R‑S Program: (Meals, Kinder Garden, Transport, online English lessons, Health Care Plan…)Free access to several training platformsProfessional stability and career plansUST also, compensates referrals from which you could benefit when you refer professionals.The option to pick between 12 or 14 payments along the year.Real Work Life Balance measures (flexibility, WFH or remote work policy, compacted hours during summertime…)UST Club Platform discounts and gym Access discounts
In UST we are committed to equal opportunities in our selection processes and do not discriminate based on race, gender, disability, age, religion, sexual orientation or nationality. We have a special commitment to Disability & Inclusion, so we are interested in hiring people with disability certificate.
Skills
Application Security, Vulnerability Assessment and Penetration Testing, Burp Suite, Vulnerability Assessment
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📌 Senior Pentester | Madrid
🏢 Ust
📍 Madrid