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CoStar Group, Inc.

Web App Pen Tester

CoStar Group, Inc., Washington, District of Columbia, us, 20022


Web App Pen Tester

Job DescriptionOverviewCoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and residential real estate information, analytics, and online marketplaces. Included in the S&P 500 Index and the NASDAQ 100, CoStar Group is on a mission to digitize the world’s real estate, empowering all people to discover properties, insights and connections that improve their businesses and lives. In this role, you will secure software and applications that power the worldwide real estate market. Work with 1,000+ software, QA, and operations engineers to secure applications during design, development, and production.ResponsibilitiesWork with the software and product teams to help ensure applications are designed and implemented securely during the SDLC.Develop a repeatable framework to scale application security controls across 100+ applications.Consume a variety of application security tools (DAST, SAST, SCA, Credential Scanning, IAC scanning) to secure web applications during development and production run-time.Penetration test web applications and underlying infrastructure for vulnerabilities using both manual and automated techniques.Demonstrate risk of detected issues to both technical and non-technical audiences.Utilize sustainable methods to automate finding feedback to generate developer work items and trigger re-scan when associated work items are closed.Recommend code changes to eliminate vulnerabilities.Automate security testing at various stages within the CI/CD pipeline.Develop secure coding standards and training across multiple application frameworks and technologies.Basic QualificationsBachelor’s Degree required from an accredited, not for profit university or college (preferably in Computer Science/Cybersecurity).A track record of commitment to prior employers.Minimum 6 years total experience in a technical role such as software engineer or security engineer.Relevant experience areas (experience required in at least 3):Design, implementation, and operation of a secure software development lifecycleExperience with web application penetration testing and common attack vectorsExperience with secure application developmentExperience with defense-in-depth strategies to help mitigate existing risk within applicationsSoftware development experience in a common programming language: C# (preferred), Java, C/C++, Python, or GoScripting/programming skills - Python, PowerShell, GoLang, Perl, JavaScript, .NET, API IntegrationSecurity tooling automation in CI/CD pipelines and IDE interfaces including Static Application Security Testing (SAST) and Static Application Analysis (SCA) solutionsDynamic application security testing (DAST) through Metasploit, Burpsuite, OWASP ZAP, Acunetix, etc.

Industry relevant professional certifications:

ISC-2 CISSPOffensive Security Web Assessor (OSWA) / Expert (OSWE)Offensive Security Certified Profession (OSCP / OSCE)SANS GIAC Penetration Tester (GPEN)SANS GIAC Cloud Penetration Tester (GCPN)SANS GIAC Exploit Researcher and Advanced Penetration Tester (GXPN)Preferred Qualifications and SkillsIn-depth understanding of various assessment tools.Knowledge of infrastructure operations across databases, network, and system administration.Ability to communicate with different levels of leadership conveying risk and driving urgency for risk remediation.Experience coordinating with application teams to drive security by design principles.Ability to mentor and train team members to prioritize security efforts effectively.A self-starter who can advance the application security program and follow-through ideas to completion.Hands-on experience implementing security tools into CI/CD pipelines.Experience testing serverless cloud deployments.What’s in it for YouWhen you join CoStar Group, you’ll experience a collaborative and innovative culture working alongside the best and brightest to empower our people and customers to succeed. We offer you generous compensation and performance-based incentives. Our benefits package includes (but is not limited to):Comprehensive healthcare coverage: Medical / Vision / Dental / Prescription DrugLife, legal, and supplementary insuranceVirtual and in person mental health counseling services for individuals and familyCommuter and parking benefits401(K) retirement plan with matching contributionsEmployee stock purchase planPaid time offTuition reimbursementOn-site fitness center and/or reimbursed fitness center membership costs (location dependent)Access to CoStar Group’s Diversity, Equity, & Inclusion Employee Resource GroupsComplimentary gourmet coffee, tea, hot chocolate, fresh fruit, and other healthy snacksWe welcome all qualified candidates who are currently eligible to work full-time in the United States to apply. However, please note that CoStar Group is not able to provide visa sponsorship for this position. This position offers a base salary range of $114,200 -$203,500 based on relevant skills and experience and includes a generous benefits plan.#LI-AR #LI-HybridCoStar Group is an Equal Employment Opportunity Employer; we maintain a drug-free workplace and perform pre-employment substance abuse testing.

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