Web Application Penetration Tester

Posted 2026-05-05
Remote, USA Full-time Immediate Start
    Black Lantern Security is a Services Oriented Company
  • Black Lantern Security is built around the ingenuity, passion, and determination of our Operators and Analysts
  • No one "mastermind"
  • No "cult of personality"
  • Competitive compensation and benefits
  • Healthy work-life balance
  • Project-based engagements that play to the team's strengths

Web Application Penetration Tester

Location: Remote

    Required:
  • Must be US citizen (must be willing to submit to federal, state, and local background checks and other requirements).
  • Experience in performing penetration testing on enterprise networks, web applications, and mobile applications.
  • Familiarity with common web vulnerabilities including: XSS, XXE, SQL Injection, Deserialization Attacks, File Inclusion/Path Traversal Attacks, Server-side Request Forgery, Remote Execution Flaws, Server Configuration Flaws and Authentication Flaws.
  • Experience in testing web-based APIs (i.e. REST, SOAP, XML, JSON).
  • Experience in designing and documenting pragmatic remediation guidance for discovered vulnerabilities.
  • Experience developing actionable intelligence based on open source intelligence (OSINT) gathering.
  • Experience with 1 or more scripting languages such as Bash, Python, Perl, PowerShell, etc.
  • Solid understanding of OWASP testing methodology.
  • Familiarity with front-end web application frameworks (i.e. AngularJS, Bootstrap, etc).
  • Capable of working effectively and efficiently with minimal supervision.
  • Strong written and verbal English language skills.
  • Demonstrated ability to:
  • Adhere to the highest standards of honesty and scientific and business integrity.
  • Think critically about complex problems and situations.
  • Consider emerging vulnerabilities and threats from within the context of organizational risk and business impact(s).
  • Develop novel attack vectors based on newly discovered vulnerabilities.
  • Possess a basic understanding of regulatory standards and requirements including the Health Insurance Portability and Accountability Act (HIPAA), Payment Card Industry Data Security Standard (PCI-DSS), and the Gramm-Leach-Bliley Act (GLBA).
    Preferences:
  • Web application development or source code review experience.
  • Strong knowledge of Windows and Linux operating systems.
  • Working knowledge of containerized applications and container-based security controls and configurations.Possess current professional certification (i.e. GWAPT, OSCP, OSCE, GPEN)
    Responsibilities:
  • Conduct assessments of web applications, mobile applications, databases, client-side applications and tools, and APIs.
  • Execute manual and automated code analysis to assess the quality and security of source code.
  • Perform pre-assessment research and preparation including reconnaissance, documentation and configuration review, and customer interviews.
  • Develop custom tools and exploits.
  • Analyze security findings, including risk analysis and root cause analysis.
  • Generate comprehensive reports, including detailed findings, exploitation procedures, and mitigations.
  • Develop and deliver walkthrough(s), proof(s) of concept (PoCs), articles, and formal presentations.
  • Execute verification and validation testing for customer mitigations and fixes.

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