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# Penetration Tester

- **Company:** ATR
- **Location:** Oshkosh, WI, United States (Remote available)
- **Experience:** Experienced
- **Contract:** Permanent contract
- **Skills:** Artificial Intelligence, Software System Penetration Testing, Burp Suite, Python (Programming Language), Kali Linux, Microsoft Office, Open Web Application Security, PCI Data Security Standards, Windows PowerShell, Anti-Phishing, Red Team (Cyber Security), Scripting, Software Security, Mitre Att&ck, GWAPT, Information Technology, Metasploit, Purple Team (Cyber Security), Dynamic Application Security Testing
- **Published:** November 9, 2026
- **Apply:** https://www.careerbuilder.com/job-details/penetration-tester-oshkosh-wi--dbcb1302-dbbe-4382-a226-1a23b140fb35

## About the Role

Penetration Testing, Government, Security Clearance, USPS (United States Post Office), Computer Science, Research Skills, Phishing, Technical Writing, Testing, PCI-DSS, Eligibility/Clearance: Ability to obtain and maintain a Public Trust clearance and successfully pass a thorough Government background screening process requiring the completion of detailed forms and fingerprinting.

This position has a U.S. residency requirement. The USPS security clearance process requires the selected candidate to have resided in the U.S. (including U.S. Territories) for the last five years as follows: - U.S. Citizens cannot have left the U.S. (including U.S. Territories) for longer than 6 months consecutively in the last 3 years (unless they meet certain exceptions). - Non-U.S. Citizens cannot have left the U.S. (including U.S. Territories) for longer than 90 days consecutively in the last 3 years.

WHAT YOU'LL NEED TO SUCCEED: Education: - Bachelor's Degree in Computer Science or related technical discipline, preferred but not required. - NOTE: If resources do not have a relevant college degree, an additional 4 years of relevant work experience is required.

Required Experience: - Prior experience with Burp Suite Professional, or other similar DAST tools - Experience with AI and penetration testing AI - Experience with Kali Linux and most of the tools available in the distro for penetration testing - Experience with tools such as Metasploit Pro and Cobalt Strike for red team operations - Experience with Red Team engagements from planning to execution - Experience with phishing network users to gain access for lateral movement on the network - Experience with Purple Team engagements to test monitoring controls in coordination with engineering teams and CSOC teams. - Proficiency in scripting, such as Python and/or PowerShell - Experience with penetration testing supporting PCI-DSS - Technical writing skills, along with ease in communicating concepts related to security vulnerabilities and attack path scenarios. - Familiar with OWASP Application Security Verification Standard (ASVS) and MITRE ATT&CK framework - Penetration testing
certification recommended. Acceptable certifications: Offensive Security Certified Professional (OCSP), Global Information Assurance Certification (GIAC) Certifications (e.g., GIAC Certified Penetration Tester (GPEN), GIAC Web Application Penetration Tester (GWAPT), or GIAC Exploit Researcher and Advanced Penetration Tester (GXPN))