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Freelance Web App Penetration Testing Jobs (NOW HIRING)

Simvention

Red Team Penetration Tester

King George, VA · On-site

$110 - $150/hr

Web Dev/Web App Dev/Web Penetration testing * NSX, vCenter, vRealize Suite, Horizon View (VDI) and others * PAN-OS * FirePower, Nexus, IOS, ASA * ONTAP, SnapMirror * Active-Directory * Active ...

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

As of Sep 5, 2026, the average hourly pay for freelance web app penetration testing in the United States is $34.86, according to ZipRecruiter salary data. Most workers in this role earn between $28.85 and $40.87 per hour, depending on experience, location, and employer.

What is freelance web app penetration testing?

Freelance web app penetration testing is the process where independent security professionals are hired to assess the security of web applications. These testers simulate cyberattacks to identify vulnerabilities in a web app's code, configuration, and deployment. Their findings help organizations fix security issues before attackers can exploit them. Freelancers typically work on a project-by-project basis and may serve clients ranging from startups to large enterprises.

What are the key skills and qualifications needed to thrive as a freelance web app penetration tester?

To thrive as a Freelance Web App Penetration Tester, you need a strong understanding of web application security, vulnerability assessment, and common attack vectors, often supported by certifications like OSCP or CEH. Proficiency with tools such as Burp Suite, OWASP ZAP, and scripting languages (e.g., Python) is typically required. Excellent analytical thinking, problem-solving skills, and clear client communication set top testers apart. These skills and qualifications are vital to accurately identify threats, deliver actionable reports, and maintain client trust in a constantly evolving security landscape.

What are some common challenges freelance web app penetration testers face when working with clients remotely?

Freelance web app penetration testers often encounter challenges such as limited access to in-depth application documentation, coordinating testing schedules across different time zones, and ensuring clear communication about testing scope and reporting expectations. Building trust with new clients can also be tricky, especially when handling sensitive data or recommending remediation steps. Successful testers proactively address these issues by setting clear agreements, using secure communication tools, and providing concise, actionable reports that demonstrate professionalism and value.

What is the difference between Freelance Web App Penetration Testing vs Freelance Cybersecurity Consultant?

AspectFreelance Web App Penetration TestingFreelance Cybersecurity Consultant
CertificationsOSCP, CEH, OSWECISSP, CISA, CEH
Work EnvironmentFocused on web application security testingBroader security strategy and risk management
Industry UsageWeb development, tech startups, security firmsAll industries requiring security advice
Search IntentWeb app testing freelance jobsSecurity consulting freelance opportunities

Freelance Web App Penetration Testing specializes in testing web applications for vulnerabilities, often requiring specific certifications like OSCP or OSWE. Freelance Cybersecurity Consultants provide broader security advice across systems, networks, and policies, with certifications like CISSP or CISA. While both roles involve security expertise, web app penetration testers focus on application-specific testing, whereas cybersecurity consultants offer comprehensive security strategies.

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Freelance Web App Penetration Testing jobs near you
Infographic showing various Freelance Web App Penetration Testing job openings in the United States as of August 2026, with employment types broken down into 17% Full Time, 50% Part Time, and 33% Contract. Highlights an 50% In-person, 17% Hybrid, and 33% Remote job distribution, with an average salary of $72,500 per year, or $34.9 per hour.

Red Team Penetration Tester

SimVentions, Inc

King George, VA • On-site, Remote

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 16 days ago

Job description

Overview

SimVentions, consistently voted one Virginia's Best Places to Work, is looking for an experienced professional to join our team!  As a Red Team Penetration Tester, you will be responsible for conducting penetration testing and conducting offensive cybersecurity operations for the U.S. Government and DoD systems. You will work collaboratively with Blue Team and Cybersecurity professionals to enhance overall cyber posture. 

TravelNegligibleClearance

At minimum an ACTIVE Secret Clearance is required for this position. An ACTIVE Top Secret Clearance with SCI Eligibility is preferred. Applicants selected will be subject to a security investigation and may need to meet eligibility requirements for access to classified information. US Citizenship is required to obtain a clearance.

Requirements

Five (5) years' experience in software engineering applied to program development; modeling and simulation applied to DoD or Information Technology systems.

  • Linux (firm grasp with demonstrated knowledge)
  • Windows (foundational knowledge with good understanding of enterprise networks)

Strong working knowledge of common Penetration Testing (PENTEST) tools:

    • Kali
    • Metasploit
    • NMAP
    • Cobalt Strike

Documented experience in at least one of the following:

  • Penetration Testing (PENTEST)
  • Red Team Operations
  • Tool/Software Development (exploits/malware, C2, reverse engineering, bug bounties)
  • Python, C, C Sharp, C++, Go, Perl, Powershell
  • Web Dev/Web App Dev/Web Penetration testing
    • NSX, vCenter, vRealize Suite, Horizon View (VDI) and others
    • PAN-OS
    • FirePower, Nexus, IOS, ASA
    • ONTAP, SnapMirror
    • Active-Directory
    • Active Directory, SSO, MFA, Azure application integration, Identity Federation.
    • Automation using Powershell, PowerAutomate, Logic Apps, Graph API.
    • Experience with Palo Alto, Cisco, VMWare, NetApp and Microsoft products.
    • Entra ID (Azure AD), to include:
      • Microsoft Entra ID and Microsoft 365 in a hybrid environment.
      • Extending or integrating on premises AD with Entra ID.
      • Managing identity and access in Microsoft Entra ID.
    • Experience conducting Red Team operations in an MDE environment.
    • Experience with AWS, Cloud Audit, Serverless and Microservice Architecture
    • Experience working with AWS services (such as EC2, S3, KMS, RDS) and security best practices relevant to those services
    • Experience with Web Services penetration testing (RESTful and SOAP) Web Authentication protocols (e.g. OAuth2, SAML, LDAP)
  • PHP, ASP, SQL db's, Java, HTML, No SQL
  • Minimum certification one of the following:
    • Security+
    • CCNA Security
    • CySA+
    • GICSP
    • SSCP
  • Minimum certification as penetration tester and possess one of the following certificates:
    • Offensive Security Certs:
      • Offensive Security Certified Professional (OSCP)
      • Offensive Security Certified Expert (OSCE)
      • Offensive Security Exploitation Expert (OSEE)
      • Offensive Security Wireless Professional (OSWP)
    • SANS Certs:
      • SEC560 - Network Penetration testing and Ethical Hacking (GPEN Certification)
      • SEC542 - Web App Penetration Testing and Ethical Hacking (GWAPT Certification)
      • SEC660 - Advance Penetration Testing. Exploit Writing, and Ethical Hacking (GXPN Certification)
      • SEC642 - Advanced Web App Penetration Testing and Ethical Hacking
      • SEC564 - Red Team Operations and Threat Emulation
      • OSD Sponsored Cyber Operation Academy Course (COAC) graduates.
      • Capture the Flag (CTF) participation (DEFCON, Over-The-Wire (OTW), Hack the Box, USS Secure CTF's)
      • Security research resulting in a Common Vulnerabilities and Exposures (CVE)
Responsibilities
  • Debug and reverse engineer software.
  • Analyze Windows Events and Linux syslog's, boot logs and dmesg logs.
  • Program and debug Web 2.0, Java, Perl, Ada, C++, Tool Command Language(tcl/tk) scripts and graphical user interfaces (GUis) using Microsoft Visual tel andRational ClearCase for software configuration management.
  • Recommend software modifications to systems to mitigate known vulnerabilities.Operate and administrate computer systems running HP-UX, UNIX, Solaris,Linux and Microsoft Windows.
  • Identify security flaws in compiled and human readable source code. Understandcode utilizing real-time VxWorks and Lynx OS operating systems, CommonObject Resource Broker Architecture (CORBA), firewalls and networkingprotocols.
  • Understand how to implement NSA approved encryption technologies anddevices. Apply DISA Security Technical Implementation Guides (STIGs).
  • Apply virtual hosting and server technology in system architectures. Understandand apply the concept of deceptive technology such as honey pots in systemarchitectures.
  • Participate in Code Reviews. Perform Static Source Code Analysis. Authorrecommendations for improving software and code design.
  • Contribute to a System Security Administrator and Operators Manual (SSAOM)
EducationHigh School Diploma or GED equivalentCompensation

Compensation at SimVentions is determined by a number of factors, including, but not limited to, the candidate's experience, education, training, security clearance, work location, skills, knowledge, and competencies, as well as alignment with our corporate compensation plan and contract specific requirements.

The projected annual compensation range for this position is $110,000-$150,000 (USD). This estimate reflects the standard salary range for this position and is just one component of the total compensation package that SimVentions offers. 

Benefits

At SimVentions, we're committed to supporting the total well-being of our employees and their families. Our benefit offerings include comprehensive health and welfare plans to serve a variety of needs. 

We offer:

  • Medical, dental, vision, and prescription drug coverage
  • Employee Stock Ownership Plan (ESOP)
  • Competitive 401(k) programs
  • Retirement and Financial Counselors
  • Health Savings and Health Reimbursement Accounts
  • Flexible Spending Accounts
  • Life insurance, short- & long-term disability
  • Continuing Education Assistance
  • Paid Time Off, Paid Holidays, Paid Leave (e.g., Maternity, Paternity, Jury Duty, Bereavement, Military)
  • Third Party Employee Assistance Program that offers emotional and lifestyle well-being services, to include free counseling
  • Supplemental Benefit Program 
Why Work for SimVentions?

SimVentions is about more than just being a place to work with other growth-orientated technically exceptional experts. It's also a fun place to work. Our family-friendly atmosphere encourages our employee-owners to imagine, create, explore, discover, and do great things together.

Support Our Warfighters

SimVentions is a proud supporter of the U.S. military, and we take pride in our ability to provide relevant, game-changing solutions to our armed men and women around the world.

Drive Customer Success

We deliver innovative products and solutions that go beyond the expected. This means you can expect to work with a team that will allow you to grow, have a voice, and make an impact.Get Involved in Giving Back

We believe a well-rounded company starts with well-rounded employees, which is why we offer diverse service opportunities for our team throughout the year.

Build Innovative Technology

SimVentions takes pride in its innovative and cutting-edge technology, so you can be sure that whatever project you work on, you will be having a direct impact on our customer's success.

Work with Brilliant People

We don't just hire the smartest people; we seek experienced, creative individuals who are passionate about their work and thrive in our unique culture.

Create Meaningful Solutions

We are trusted partners with our customers and are provided challenging and meaningful requirements to help them solve.

Employees who join SimVentions will enjoy additional perks like:

  • Employee Ownership: Work with the best and help build YOUR company!
  • Family focus: Work for a team that recognizes the importance of family time.
  • Culture: Add to our culture of technical excellence and collaboration.
  • Dress code: Business casual, we like to be comfortable while we work.
  • Resources:  Excellent facilities, tools, and training opportunities to grow in your field.
  • Open communication: Work in an environment where your voice matters.
  • Corporate Fellowship:  Opportunities to participate in company sports teams and employee-led interest groups for personal and professional development.
  • Employee Appreciation: Multiple corporate events throughout the year, including Holiday Events, Company Picnic, Imagineering Day, and more.
  • Founding Partner of the FredNats Baseball team: Equitable distribution of tickets for every home game to be enjoyed by our employee-owners and their families from our private suite.
  • Food: We have a lot of food around here!

MWAC

Employment Type: FULL_TIME

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