Penetration Tester - Contract

U.S. Remote

Contract Penetration Tester 

At Bishop Fox, security isn't just a job—it's our passion. As leaders in continuous offensive security and penetration testing, we deliver world-class customer experiences. Trusted by over a quarter of the Fortune 100, half of the Fortune 10, and top global media companies, we help safeguard digital landscapes. Our Cosmos platform, honored as Best Emerging Technology by SC Media, exemplifies our commitment to innovation.   

Joining Bishop Fox means collaborating with a curious and dedicated team. You'll tackle complex challenges for some of the world's most recognized organizations, securing their networks against real-world threats. With nearly 20 years of industry contributions—including 16 open-source tools and 50 security advisories published in the past five years—we're committed to making the digital world safer.  

We’re looking for talented, experienced professional hackers to help us secure some of the world’s most complex software and sophisticated technologies. You’ll be working alongside our US and internationally-based teams supporting clients across multiple industries.      

Responsibilities 

Bishop Fox is looking for experienced contract penetration testers with a primary focus in web application security and strong secondary expertise in cloud, mobile, source code, network, or AI/LLM security. 

You’ll work on a range of projects, from short-term assessments to longer-term program engagements with well-established clients. In this role, you’ll identify vulnerabilities, validate risk, develop creative solutions, and clearly communicate findings and remediation guidance to both technical and executive stakeholders. As a trusted advisor, you’ll help clients understand risk and make informed security decisions.  

Experience 

  • 5+ years of experience planning, conducting, and managing web application penetration tests
  • Deep understanding of application security fundamentals, OWASP Top 10, common vulnerabilities, and secure development best practices
  • Experience assessing vulnerabilities and developing exploits across diverse targets
  • Strong understanding of system and network security, authentication protocols, security protocols, and applied cryptography
  • Ability to communicate complex technical findings clearly and provide practical remediation guidance to technical and executive audiences 

Preferred Experience 

Deep experience in at least one of the following: 

  • Cloud Security - Experience assessing AWS cloud environments, including technologies such as IAM, EC2, VPC, EBS, S3, CloudWatch, and Lambda. 
  • Mobile Application Security - Experience testing iOS and/or Android applications, including mobile application architecture, API communication, data storage, authentication flows, and common mobile security vulnerabilities. 
  • Source Assisted Application Assessments: Experience evaluating applications across multiple layers, including source code, APIs, infrastructure, and integrations. Strong proficiency in Golang is highly preferred, along with familiarity in languages such as Python, Ruby, PowerShell, Java, and JavaScript. 
  • Network Security - Experience with network and system exploitation, including modern tactics, techniques, and procedures such as C2 frameworks, EDR bypass, privilege escalation, password cracking, and lateral movement. 
  • AI/LLM Security - Experience assessing non-deterministic security controls. 

Employment Sponsorship

This engagement is for independent contractors (1099) and is not eligible for any form of employment sponsorship. Applicants must be legally authorized to work in the United States without requiring visa sponsorship now or in the future. Applicants must be located in the United States.

All new hires must pass a background check as a condition of employment. 

Bishop Fox is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, protected veteran status, or any other characteristic protected by applicable federal, state, or local law. 

 

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This role requires a primary focus in web application penetration testing, plus strong secondary expertise in at least one additional assessment area. Please select all areas where you have strong, hands-on penetration testing expertise. *

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For government reporting purposes, we ask candidates to respond to the below self-identification survey. Completion of the form is entirely voluntary. Whatever your decision, it will not be considered in the hiring process or thereafter. Any information that you do provide will be recorded and maintained in a confidential file.

As set forth in Bishop Fox’s Equal Employment Opportunity policy, we do not discriminate on the basis of any protected group status under any applicable law.

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If you believe you belong to any of the categories of protected veterans listed below, please indicate by making the appropriate selection. As a government contractor subject to the Vietnam Era Veterans Readjustment Assistance Act (VEVRAA), we request this information in order to measure the effectiveness of the outreach and positive recruitment efforts we undertake pursuant to VEVRAA. Classification of protected categories is as follows:

A "disabled veteran" is one of the following: a veteran of the U.S. military, ground, naval or air service who is entitled to compensation (or who but for the receipt of military retired pay would be entitled to compensation) under laws administered by the Secretary of Veterans Affairs; or a person who was discharged or released from active duty because of a service-connected disability.

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