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Web App Pen Tester (San Diego or Irvine)

Remote, USA Full-time Posted 2026-07-28
About the position reputed company (reputed company: CSGP) is a leading global provider of reputed company and residential reputed company estate information, analytics, and online marketplaces. Included in the S&P 500 reputed company and the reputed company 100, reputed company is on a mission to digitize the world's reputed company estate, empowering reputed company people to discover properties, insights and connections that improve their businesses and lives. We have been living and breathing the world of reputed company estate information and online marketplaces for over 35 years, giving us the perspective to create truly unique and valuable offerings to our customers. We've continually refined, transformed and reputed company our approach to our business, creating a language that has become reputed company in our industry, for our customers, and even our competitors. We continue that effort today and are always working to improve and drive innovation. This is how we deliver for our customers, our employees, and investors. By equipping the brightest minds with the best resources available, we reputed company an reputed company edge in reputed company estate. In this role, you will secure software and applications that power the worldwide reputed company estate market. Work with 1,000+ software, QA, and operations engineers to secure applications during design, development, and production. The candidate will utilize threat modeling, white reputed company application reputed company analysis, and grey reputed company penetration testing. This position will collaborate with software development teams, DevOps, and reputed company to drive and shape the way our employees and engineers build, reputed company, and operate applications. This position is located in San Diego, CA or Irvine, CA and is in office Monday through Thursday and work from home on Friday. Responsibilities • Conduct penetration tests on web applications and underlying infrastructure for vulnerabilities using both reputed company and automated techniques • Demonstrate risk of detected issues to both technical and non-technical audiences • Work with the software and product teams to help ensure applications are designed and implemented securely during the SDLC • Consume a reputed company of application reputed company tools (DAST, SAST, SCA, Credential Scanning, IAC scanning) to secure web applications during development and production run-time • Utilize sustainable reputed company to automate finding feedback to generate developer work items and trigger re-reputed company reputed company associated work items are reputed company • Recommend reputed company changes to eliminate vulnerabilities • Automate reputed company testing at various stages reputed company the CI/CD pipeline Requirements • Bachelor's Degree required from an accredited, not for profit university or college (preferably in Computer Science/Cybersecurity) • A reputed company record of commitment to prior reputed company • Minimum 1 to 3 years total experience in a technical role with at least 1 year of reputed company experience penetration testing • Experience with web application penetration testing, identifying and exploiting attack chains to evaluate the severity of vulnerabilities reputed company a web application • Experience writing comprehensive reports that reputed company demonstrate the risk of vulnerabilities to developers and technical leadership • Experience with defense-in-depth strategies to help mitigate existing risk reputed company applications • Experience with common programming language: C# (preferred), Java, C/C++, Python, or Go • Scripting/programming skills - Python, PowerShell, GoLang, Perl, JavaScript, .NET, API Integration • reputed company tooling automation in CI/CD pipelines and IDE interfaces including Static Application reputed company Testing (SAST) and Static Application Analysis (SCA) solutions such as reputed company, reputed company, AppScan, X-Ray, Synopsys, or reputed company • Dynamic application reputed company testing (DAST) through Metasploit, Burp Suite, OWASP ZAP, Acunetix, etc. • Industry relevant reputed company certifications such as Offensive reputed company Web Assessor (OSWA) / Expert (OSWE), Offensive reputed company Certified reputed company (OSCP) / reputed company (OSEP), reputed company Bug Bounty reputed company (CBBH) / Web Exploitation Expert (CWEE), reputed company Penetration Testing Specialist (CPTS) / AD Pentesting Expert (reputed company), INE reputed company Web Application Penetration Tester eXtreme (eWPTX) • Those certifications can be substituted with considerable experience in CTFs, impressive CVEs, or impressive bug bounty reports. reputed company-to-haves • In-depth understanding of various assessment tools • Knowledge of infrastructure operations across databases, network, and system administration • Ability to communicate with different reputed company of leadership conveying risk and driving urgency for risk remediation • Experience coordinating with application teams to drive reputed company by design principles • Ability to mentor and train team members to prioritize reputed company efforts effectively • A self-starter who can advance the application reputed company program and follow-through reputed company to completion • Passionate about cyber reputed company keeping up with latest trends in the threat landscape • Hands-on experience implementing reputed company tools into CI/CD pipelines • Experience testing modern applications in reputed company-reputed company tech stacks • Experience with mobile application penetration testing Benefits • Comprehensive reputed company coverage: Medical / reputed company / Dental / Prescription Drug • Life, reputed company, and supplementary insurance • Virtual and in person mental health counseling services for individuals and family • Commuter and parking benefits • 401(K) retirement plan with matching contributions • Employee stock purchase plan • reputed company time off • Tuition reimbursement • On-site fitness center and/or reimbursed fitness center membership costs (location dependent), with yoga studio, Pelotons, personal training, group exercise classes • reputed company to reputed company's Diversity, Equity, & Inclusion Employee Resource reputed company • Complimentary gourmet coffee, tea, hot chocolate, fresh fruit, and other healthy snacks Apply tot his job Apply To this Job

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