Senior Web App Security & Fraud Tester

Vanguard; Dallas (TX); Hybrid; USD 110,000 - 160,000; Full time

Job summary

Vanguard is seeking an Offensive Security Analyst for the Web Application & Fraud Testing team to conduct threat-driven security testing of our client-facing web apps. You will apply adversarial techniques to validate controls and help inform detection improvements across the enterprise.

You will design realistic stress tests for fraud detection, assess risks, and mentor junior team members while partnering with IT and business units to ensure timely remediation of findings.

Qualifications

• OSCP, OSWA, OSWE, CWES, GWAPT, PWPP or equivalent professional level web application testing certification required
• CISSP preferred
• Minimum of five years related work experience, with three years' experience in threat analysis
• Undergraduate degree in a related field or the equivalent combination of training and experience
• Experience testing controls and fostering collaboration in an effort to remediate findings from assessments
• Experience assessing production web applications

Responsibilities

• Beyond traditional application testing, this operator will help design and execute realistic scenarios that stress-test cyber fraud detection and response, and partner with defensive teams in exercises to validate that our controls fire when they should.
• Assesses the risk and business impact of identified findings, applying defensible severity ratings based on likelihood, exploitability, and exposure.
• Fosters and supports junior talent through informal leadership and coaching. Mentors junior team members to improve their technical acumen.
• Applies emerging adversarial tradecraft against client facing web application infrastructure through rigorous control validation to improve reactive and proactive threat driven operations.
• Conducts penetration testing, vulnerability assessments and threat modeling. Evaluates risks and makes recommendations.
• Provides written assessments focused on threats, vulnerabilities, and technologies relevant to Vanguard Infrastructure.
• Leads with IT and business teams to ensure prompt and effective distribution of findings so incidents are effectively addressed. Provides department support to the business on enterprise-wide security initiatives and projects.
• Participates in special projects and performs other duties as assigned.

Skills

Threat analysis

Mentoring

Security testing

Education

OSCP; OSWE; OSWA; CWES; GWAPT; PWPP certificates

Job description

Vanguard is seeking an Offensive Security Analyst for the Web Application & Fraud Testing team to conduct threat-driven security testing of our client-facing web apps. You will apply adversarial techniques to validate controls and help inform detection improvements across the enterprise.

You will design realistic stress tests for fraud detection, assess risks, and mentor junior team members while partnering with IT and business units to ensure timely remediation of findings.