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Costar Group

Lead Web App Pen Tester

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Costar Group

Provides commercial real estate data, analytics, and marketing services.

Secure web apps via pen testing, threat modeling, and automation.
10 days ago ago
Expert & Leadership (13+ years), Junior (1-3 years), Experienced (8-12 years)
Full Time
Arlington, VA
Office Full-Time
Company Size
4,700 Employees
Service Specialisms
No specialisms available
Sector Specialisms
Commercial Real Estate
Residential
Apartments
Hospitality
Industrial
Retail
Office
Multifamily
Role

Description

code review
pen testing
ci/cd automation
security tools
secure sdlc
team collaboration
  • Recommend code changes to eliminate vulnerabilities
  • Hack the Box Bug Bounty Hunter (CBBH) / Web Exploitation Expert (CWEE)
  • Utilize sustainable methods to automate finding feedback to generate developer work items and trigger re-scan when associated work items are closed
  • Hack the Box Penetration Testing Specialist (CPTS) / AD Pentesting Expert (CAPE)
  • Consume a variety of application security tools (DAST, SAST, SCA, Credential Scanning, IAC scanning) to secure web applications during development and production run-time
  • Conduct penetration tests on web applications and underlying infrastructure for vulnerabilities using both manual and automated techniques
  • Automate security testing at various stages within the CI/CD pipeline
  • Work with the software and product teams to help ensure applications are designed and implemented securely during the SDLC

Requirements

burp suite
oscp
sast
ci/cd
python
5+ years
  • Dynamic application security testing (DAST) through Metasploit, Burp Suite, OWASP ZAP, Acunetix, etc.
  • Experience with defense-in-depth strategies to help mitigate existing risk within applications
  • INE Security Web Application Penetration Tester eXtreme (eWPTX)
  • 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
  • Experience coordinating with application teams to drive security by design principles
  • Experience testing modern applications in cloud-native tech stacks
  • Knowledge of infrastructure operations across databases, network, and system administration
  • A self-starter who can advance the application security program and follow-through ideas to completion
  • Offensive Security Certified Professional (OSCP) / Experienced (OSEP)
  • Experience with mobile application penetration testing
  • 5+ years total experience in a technical role with at least 3+ year of professional experience penetration testing
  • Experience writing comprehensive reports that clearly demonstrate the risk of vulnerabilities to developers and technical leadership
  • Bachelor’s Degree required from an accredited, not for profit university or college (preferably in Computer Science/Cybersecurity)
  • Those certifications can be substituted with considerable experience in CTFs, impressive CVEs, or impressive bug bounty reports.
  • Experience with common programming language: C# (preferred), Java, C/C++, Python, or Go
  • Experience with web application penetration testing, identifying and exploiting attack chains to evaluate the severity of vulnerabilities within a web application
  • Industry relevant professional certifications such as:
  • A track record of commitment to prior employers
  • Hands-on experience implementing security tools into CI/CD pipelines
  • Ability to mentor and train team members to prioritize security efforts effectively
  • Ability to communicate with different levels of leadership conveying risk and driving urgency for risk remediation
  • In-depth understanding of various assessment tools
  • Demonstrate risk of detected issues to both technical and non-technical audiences
  • Scripting/programming skills - Python, PowerShell, GoLang, Perl, JavaScript, .NET, API Integration

Benefits

  • Employee stock purchase plan
  • Access to CoStar Group’s Diversity, Equity, & Inclusion Employee Resource Groups
  • Life, legal, and supplementary insurance
  • Paid time off
  • 401(K) retirement plan with matching contributions
  • Virtual and in person mental health counseling services for individuals and family
  • Tuition reimbursement
  • On-site fitness center and/or reimbursed fitness center membership costs (location dependent), with yoga studio, Pelotons, personal training, group exercise classes
  • Complimentary gourmet coffee, tea, hot chocolate, fresh fruit, and other healthy snacks
  • Commuter and parking benefits
  • Comprehensive healthcare coverage: Medical / Vision / Dental / Prescription Drug

Training + Development

Information not given or found

Interview process

Information not given or found

Visa Sponsorship

  • costar group does not provide visa sponsorship for this position.

Security clearance

  • pre-employment substance abuse testing is performed.
Company

Overview

Founded 1987
Year Established
The year the company was first established.
  • Offers comprehensive data on properties, tenants, leases, and market conditions globally.
  • Known for its pioneering technology and research, delivers powerful insights to commercial real estate professionals.
  • Its旗舰平台, CoStar, provides unmatched property data, news, and analytics.
  • Platforms used by real estate professionals, from brokers to investors to property managers.
  • Expanded through strategic acquisitions, including the purchase of LoopNet and Apartments.com.
  • Data-driven insights help clients make informed investment and leasing decisions, shaping the global real estate market.

Culture + Values

  • Customer Focused: We strive to make a positive impact on our customers through innovative solutions.
  • Ownership: We take personal responsibility for delivering results.
  • Integrity: We act with transparency and integrity in everything we do.
  • Innovation: We drive progress through creativity and technology.
  • Collaboration: We believe in the power of diverse teams working together to achieve more.
  • Excellence: We are dedicated to the pursuit of excellence in our products and services.

Environment + Sustainability

2040
Net Zero Commitment
Aims to achieve net zero carbon emissions by this target year.
  • Committed to energy-efficient building designs and energy-saving programs.
  • Uses technological advancements to reduce environmental impact.
  • Annually tracks and reports on carbon footprint and environmental metrics.

Inclusion & Diversity

40% Global Workforce
Women Representation
Approximately 40% of the global workforce consists of women.
  • Committed to creating an inclusive and diverse workplace where all employees can thrive.
  • Has set specific goals to increase the representation of women in leadership roles.
  • Implemented training programs to promote diversity awareness and inclusive leadership.
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