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Internship Web App Penetration Testing Jobs (NOW HIRING)

Perform web app penetration testing (manual/automated). * Evaluate SAST/DAST findings and manage issues in Jira. * Validate bug bounty vulnerabilities. * Translate business requirements into ...

Perform web app pentests. * Perform vulnerability risk assessments. * Perform physical pentests and ... Must have experience with penetration testing tools. * Must have experience in web development and ...

GIAC Web Application Penetration Tester (GWAPT) * GIAC Exploit Researcher and Advanced Penetration Tester (GXPN) * GIAC Assessing and Auditing Wireless Networks (GAWN) Blue Teaming Certifications:

GIAC Web Application Penetration Tester (GWAPT) * GIAC Exploit Researcher and Advanced Penetration Tester (GXPN) * GIAC Assessing and Auditing Wireless Networks (GAWN) Blue Teaming Certifications:

GIAC Web Application Penetration Tester (GWAPT) * GIAC Exploit Researcher and Advanced Penetration Tester (GXPN) * GIAC Assessing and Auditing Wireless Networks (GAWN) Blue Teaming Certifications:

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How much do internship web app penetration testing jobs pay per hour?

As of Jun 13, 2026, the average hourly pay for internship web app penetration testing in the United States is $12.53, according to ZipRecruiter salary data. Most workers in this role earn between $8.41 and $14.42 per hour, depending on experience, location, and employer.

What is an Internship Web App Penetration Tester?

An Internship Web App Penetration Tester is a student or entry-level professional who assists in assessing the security of web applications by simulating cyberattacks. Their role involves identifying vulnerabilities, exploiting potential weaknesses, and documenting findings under the guidance of experienced security professionals. This hands-on experience helps interns learn about common web application threats, security tools, and best practices in cybersecurity. The position is often part of a learning program to prepare individuals for a career in penetration testing or information security.

What are the key skills and qualifications needed to thrive as an Internship Web App Penetration Tester, and why are they important?

To thrive as an Internship Web App Penetration Tester, you need a foundational understanding of web application architectures, common vulnerabilities (like those in OWASP Top 10), and basic programming or scripting knowledge. Familiarity with tools such as Burp Suite, OWASP ZAP, and basic command-line utilities, along with ongoing coursework or certifications like CompTIA Security+ or OSCP, is highly beneficial. Strong analytical thinking, attention to detail, and effective written communication make candidates stand out in this field. These skills ensure interns can identify, document, and help remediate security weaknesses, contributing to safer web applications.

What types of tasks and projects can I expect to work on during an Internship in Web App Penetration Testing?

As an intern in Web App Penetration Testing, you'll typically assist with vulnerability assessments, security testing of web applications, and documentation of your findings. You'll likely use tools such as Burp Suite, OWASP ZAP, and manual testing methods to identify common vulnerabilities like SQL injection and cross-site scripting. Interns often work closely with experienced penetration testers and developers, learning how to communicate security risks and collaborating on solutions. This hands-on experience provides valuable insight into secure coding practices and real-world remediation processes.
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Infographic showing various Internship Web App Penetration Testing job openings in the United States as of June 2026, with employment types broken down into 25% Internship, 50% Full Time, and 25% Contract. Highlights an 100% In-person job distribution, with an average salary of $26,055 per year, or $12.5 per hour.
Penetration Tester

Other

Medical, Dental, Life, Retirement, PTO

Posted 7 days ago


Job description

Open Systems Technologies Corporation is a leader in the government contracting marketplace, providing Enterprise Security and Cloud Computing solutions to support large organizations. Our capabilities include supplying federal government entities and private businesses with software development, scientific and engineering technical assistance, systems integration, and enterprise security. Since its founding in 1996, OST has been committed to delivering high-quality, best-in-class results that bring added value to our clients while investing in our employees’ futures by providing exciting projects to work on, and robust benefits to include technical training and certifications, relocation assistance and a 401K match with immediate vesting.

Open Systems Technologies Corporation is looking for a Lead Penetration Tester to join a high performing agile team that uses the Scaled Agile Framework (SAFe) methodology to support a nationally significant and fast-paced program.

A Lead Penetration Tester is needed to join a high performing agile team using the Scaled Agile Framework (SAFe) methodology on a large, complex program that provides system engineering, development, test, integration and operational support. The selected individual will work on a team of cyber Subject Matter Experts (SMEs) who are providing support to a large, complex technical program for preventing, identifying, containing and eradicating cyber threats to networks through monitoring, intrusion detection, and protective security services on information systems including local area networks/wide area networks (LAN/WAN), commercial Internet connections, public facing websites, security devices, servers and workstations. She/he will be responsible for the overall security of Enterprise-wide information systems, and will collect, investigate, and report any suspected and confirmed security violations.

Primary Responsibilities

  • Perform internal and external pentests against systems to determine vulnerabilities and develop mitigation strategies.
  • Perform web app pentests.
  • Perform vulnerability risk assessments.
  • Perform physical pentests and social engineering analysis.
  • Perform cyber incident response as needed.
  • Evaluate the impact of new development on the operational security posture of IT systems.
  • Evaluate, review, and test critical software.
  • Formulate security compliance requirements for new system features.
  • Identify and remediate security issues throughout the system.
  • Audit and assess system security configuration settings using common methodologies and tools.
  • Work with development teams to enrich team-wide understanding of different types of vulnerabilities, attack vectors, and remediation approaches.
  • Work closely with System Engineering, Test Engineering, and Integration teams to ensure hardware and software architecture and implementations meet strict security requirements.
  • Propose, assess, coordinate, implement, and enforce information systems security policies, standards, and methodologies.
  • Serve as a Subject Matter Expert in security architecture, to include providing advice to Program Managers, Customer technical experts, and internal program teams.

Basic Qualifications

  • Must have experience with penetration testing tools.
  • Must have experience in web development and programming languages such as Java, XML, Perl and HTML.
  • Must have experience with programming/scripting in Python, Powershell, C, JavaScript, etc.
  • Must have extensive experience performing IT security risk assessments.
  • Must have experience performing web app and physical pentests.
  • Must have experience with or strong familiarity of the following Web Application tools; Burp Suite, Web Inspect, Appdetective.
  • Must have experience with or strong familiarity of Kali.
  • Must have experience with or strong familiarity of IPS/IDS solutions.
  • Must have a strong understanding of the Cyber Kill Chain methodology.
  • Must have experience applying Risk Management Framework.
  • Must have experience with secure configurations of commonly used desktop and server operating systems.
  • Must have the ability to effectively collaborate with technical staff and customers to form mitigation strategies and plan for continuous modernization and legacy integration.
  • Must have experience managing multiple projects simultaneously and quickly and effectively adjusting to shifting priorities in resolving issues.

Preferred Qualifications

  • Bachelor's degree in a technical/information assurance field and at least 12 years of relevant experience.
  • Certifications in one or more of the following areas strongly preferred:
    • GIAC Web Applications Penetration Tester (GWAPT)
    • GIAC Penetration Tester (GPEN)
    • Certified Ethical Hacker (CEH)
    • Certified Information Security Manager (CISM)
    • Certified Web Application Defender (GWEB)
    • Certified Information System Security Professional (CISSP)
  • Extensive experience developing/implementing integrated security services management processes, such as assessing and auditing network penetration testing, anti-virus planning assistance, risk analysis, and incident response.
  • Extensive experience providing information assurance support for application development that includes system security certifications and project evaluations for firewalls that encompass development, design, and implementation.?

BENEFITS

OST is an Equal Opportunity Employer and has been operating since 1996 providing support on various contracts with Government agencies. We offer a comprehensive benefits package that includes 3 weeks paid time off, 11 Federal Holidays, medical/dental coverage, STD, LTD, Life Insurance, AD&D, 401k with up to 4% match, and end-of-year profit sharing.