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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Cleared Senior Penetration Tester - **Company:** FORTREUM, LLC - **Location:** Herndon, VA, United States (Remote available) - **Experience:** Expert - **Salary:** $165,000.0 - $185,000.0 - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Software System Penetration Testing, Computing Platforms, Bash Shell, Code Review, Cyber Security, Networking Hardware, Mobile Application Software, Python (Programming Language), Network Architecture, Open Web Application Security, Windows PowerShell, Red Team (Cyber Security), Ruby, Reverse Engineering, Web Applications, Scripting, Cloud Platform System, GWAPT, Information Technology, Service Stack - **Published:** July 26, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=efd24478a10e8d5b ## About the Role * Bachelor's degree in Computer Science, Information Security, or a related field; or 5+ years of equivalent job experience in penetration testing * 4+ years of professional services experience (consulting) * 5+ years of web application and network penetration testing experience * Proficient in at least one or more scripting languages (i.e., bash, python, PowerShell, ruby, etc.) * Strong technical acumen with regards to penetration testing methodologies * Strong understanding of security principles and methodologies * Familiarity with best practices frameworks such as OWASP, OSSTMM, or PTES * Ability to work in a SCIF in Northern Virginia or Seattle, Washington * Active Top Secret clearance or ability to get a Top Secret clearance Preferred Skills * OSCP, OSCE, OSWE, GWAPT, or GPEN certifications (or other relevant certifications) * Ability to quickly assess new and leading-edge technologies and concepts * Ability to manage multiple priorities simultaneously * Proven analytical and problem-solving skills * Experience with code review, reverse engineering, and exploit development * Ability to develop technical content for website updates, whitepapers, and blog posts that can be used both internally and by our clients to assist them in evaluating/building out their security programs * Ability to develop and maintain strong relationships with team members and clients * Familiarity with commonly used network architecture, network devices/services, development platforms, and software suites * Ability to work in a team environment with compliance specialists who conduct security control assessments in parallel * Comfortable supporting fast-paced team environments * Experienced in penetration testing of cloud environments encompassing a variety of technology stacks ** Position only open to US Citizens due to contractual requirements **Ability to attain a US Security Clearance if needed. ## Description This position entails performing penetration testing on networks, applications (including APIs, mobile apps, and web apps), and utilizing social engineering techniques. Additionally, you will provide mentoring to junior staff and support Red Team operations. Your specific responsibilities will include: * Work closely with all members of the team to conduct penetration tests on networks, applications (including APIs, mobile apps, and web applications), and systems to identify security vulnerabilities and weaknesses and to achieve the customer's objectives of the engagement * Develop and refine penetration testing methodologies, tools, and techniques to adapt to evolving threats and ensure comprehensive coverage * Advise customers on details of vulnerabilities, remediation strategies, and compliance requirements * Prepare final deliverables for delivery to customers within established timelines * Establish and maintain positive relationships with customers and stakeholders * Lead and coordinate project readiness with internal teams and customers * Resolve client and project issues/blockers and engage management when necessary for support * Pursue continuous professional development in by achieving industry specific certifications (must be willing to meet FedRAMP certification requirements as outlined by A2LA) * Perform project readouts with customers to notify them of the outcome of their penetration test * Mentor junior members of the penetration testing team, providing guidance, knowledge-sharing, and hands-on training to support their professional development and growth * Interface with customers and other internal delivery team members through entire engagement, interacting will all levels of customer organizations This is a customer facing role. Travel is expected to be limited in nature; however, you may be required to travel to client locations to deliver professional services periodically when needed. ## Related Videos - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [JavaScript? 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