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CoStar Group • San Diego, California, United States
Salary: USD 114,200–203,500 per year
Role & seniority: Mid–Senior Application Security Engineer / Penetration Tester (3+ years technical field; 1+ year pentest experience required)
Stack/tools: Web app pentesting (manual + automated); DAST/SAST/SCA, credential scanning, IAC scanning; CI/CD security automation; Veracode, CheckMarx, AppScan, X-Ray, Synopsys, Snyk; DAST tooling (Burp Suite, OWASP ZAP, Metasploit, Acunetix); languages: C#, Java, C/C++, Python, Go, JavaScript; CI/CD integrations and IDE security tooling
Conduct web/app and infrastructure penetration testing; identify and exploit vulnerabilities; demonstrate risk to technical and non-technical audiences
Collaborate with software/product teams to bake security into the SDLC; implement secure design and secure coding practices
Automate security testing across CI/CD; generate actionable developer work items, re-scan, and recommend code changes to eliminate vulnerabilities
3+ years in a technical role with ≥1 year penetration testing; web app attack chain assessment; strong vulnerability risk reporting
Defense-in-depth experience; programming/scripting: Python, PowerShell, Go, JavaScript, .NET; knowledge of multiple languages
Security tooling automation in CI/CD and IDEs; experience with SAST/SCA tools and DAST tooling
Relevant certifications (OSWA/OSWE, OSCP/OSEP, or equivalent) or strong CVE/bug bounty track record
Overview
Job Description
CoStar 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.
We have been living and breathing the world of real 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 perfected our approach to our business, creating a language that has become standard 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 provide an invaluable edge in real estate.
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. The candidate will utilize threat modeling, white box application security analysis, and grey box penetration testing. This position will collaborate with software development teams, DevOps, and security to drive and shape the way our employees and engineers build, deploy, 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 manual 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 variety of application security tools (DAST, SAST, SCA, Credential Scanning, IAC scanning) to secure web applications during development and production run-time 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
Basic Qualifications
Bachelor’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 3+ years total experience in a technical role with at least 1 year of professional experience penetration testing Experience with web application penetration testing, identifying and exploiting attack chains to evaluate the severity of vulnerabilities within a web application Experience writing comprehensive reports that clearly demonstrate the risk of vulnerabilities to developers and technical leadership Experience with defense-in-depth strategies to help mitigate existing risk within 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 Security tooling automation in CI/CD pipelines and IDE interfaces including Static Application Security Testing (SAST) and Static Application Analysis (SCA) solutions such as Veracode, CheckMarx, AppScan, X-Ray, Synopsys, or Snyk Dynamic application security testing (DAST) through Metasploit, Burp Suite, OWASP ZAP, Acunetix, etc.
In-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 Passionate about cyber security keeping up with latest trends in the threat landscape Hands-on experience implementing security tools into CI/CD pipelines Experience testing modern applications in cloud-native tech stacks Experience with mobile application penetration testing
What’s In It For You
When 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. CoStar Group also invests in your professional and academic growth with internal training, and tuition reimbursement.
Our Benefits Package Includes (but Is Not Limited To)
Comprehensive healthcare coverage: Medical / Vision / Dental / Prescription Drug Life, legal, 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 Paid 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 Access to CoStar Group’s Diversity, Equity, & Inclusion Employee Resource Groups Complimentary gourmet coffee, tea, hot chocolate, fresh fruit, and other healthy snacks
This position offers a base salary range of 114,200 - 203,500 based on relevant skills and experience and includes a generous benefits plan.
We 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.
CoStar Group is an Equal Employment Opportunity Employer; we maintain a drug-free workplace and perform pre-employment substance abuse testing