> Markdown version of [/jobs/ext/4656707-senior-penetration-tester](https://www.wearedevelopers.com/jobs/ext/4656707-senior-penetration-tester). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Penetration Tester - **Company:** Cyber Defense Technologies - **Location:** Denver, CO, United States - **Experience:** Expert - **Salary:** $124,000 - $163,000 - **Contract:** Permanent contract - **Skills:** Software System Penetration Testing, Cyber Security, Network Security, Networking Basics, Network Protocols, Scripting, Software Security, Cybercrime, Vulnerability Analysis - **Published:** November 10, 2026 - **Apply:** https://www.careerbuilder.com/job-details/senior-penetration-tester-denver-co--ddd5b45a-8e1e-4acf-8ad6-b42dc5e881a3 ## About the Role Penetration Testing, Penetration Testing, Government, Top Secret Clearance, Computer Security, Scripting (Scripting Languages), Vulnerability Scanners, Network Security, Security Analysis, Mentoring, * Bachelor's degree or higher and 7 year of Pen tester experience. * Master's degree and 6 year of relevant work experience. * Experience in cyber security with a focus on red teaming, penetration testing, or threat hunting. ## Description Overview: CDT is looking for a Senior Penetration Tester to support a government customer onsite in Chantilly, VA. Candidates with OSCP certification are highly recommended to apply.Clearance: An active Top Secret/SCI with CI poly is required. Candidates who do not meet these requirements will not be considered.Responsibilities: * Responsible for performing basic reconnaissance and vulnerability scanning in accordance with established testing methodologies * Identifies common vulnerabilities that can be potentially exploited, documents and reports findings. * Possess basic scripting abilities and an understanding of network fundamentals and vulnerability scanning tools. * Conducting more complex penetration tests, exploring more complex vulnerability analysis including misconfigurations and zero-day exploits, and developing more sophisticated exploitation techniques. * Leads penetration tests, mentoring junior testers, and providing technical guidance to stakeholders. * Possess expertise in network protocols, application security, social engineering, and advanced scripting. * Designing and leading complex penetration tests, developing customized tools and methodologies * Providing expert guidance on security best practices * Identifying complex vulnerabilities, providing strategic security advice, and leading remediation efforts * Collaborating with management to develop security policies, training other cybersecurity professionals, and staying abreast of emerging threats. * Possess extensive knowledge of cybersecurity frameworks, industry standards, and advanced security tools.