{"id":4191204,"url":"https://alion.io/job/pcg-penetration-tester-cyber-engineer","title":"Penetration Tester – Cyber Engineer","company":{"id":4420385,"name":"PCG","domain":"parrainc.com","url":"https://alion.io/company/parrainc","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"BambooHR","truth_index":null},"role":"Security","role_family":"Security","seniority":null,"employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Aberdeen, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Burp Suite","optional":false},{"name":"Linux","optional":false},{"name":"Nessus","optional":false},{"name":"Nmap","optional":false},{"name":"OWASP Top 10","optional":false},{"name":"SQL","optional":false},{"name":"TCP/IP","optional":false},{"name":"Wireshark","optional":false},{"name":"Bash","optional":true},{"name":"Perl","optional":true},{"name":"Python","optional":true},{"name":"Ruby","optional":true}],"status":"live","first_seen_at":"2026-11-12T19:23:50Z","employer_posted_date":"2026-11-12","last_verified_at":"2026-11-12T19:23:50Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"Parra Consulting Group (PCG) is hiring a Penetration Tester - Cyber Engineer to join a team of engineers from diverse backgrounds solving complex, multi-disciplinary problems. This position works hands-on with the latest electronics, performing in-depth assessments and analyses of sophisticated systems using penetration testing and threat-hunting techniques.\nThis is a full-time position, 100% on-site at Aberdeen Proving Ground, MD. An active Secret clearance is required to start, and the position requires up to 25% CONUS travel.\nThis successful candidate will be responsible for the following:\nPerform in-depth assessments and analyses of sophisticated systems using penetration testing and threat-hunting techniques.\nConduct grey and black box penetration testing against systems and electronics.\nApply exploitation techniques such as buffer overflows, fuzzing, SQL injection, man-in-the-middle attacks, covert channels, secure tunneling, XSS, privilege escalation, and lateral movement.\nDisassemble devices and identify hardware components to support assessments.\nDevelop and present proofs of concept that demonstrate exploitation techniques.\nCollaborate with a multi-disciplinary engineering team to develop solutions to complex problems.\nRequired Qualifications\nActive Secret clearance with the potential to obtain TS/SCI.\nBachelor's degree in a related field and 5 years of relevant experience.\nRequired Experience\nProfessional experience in penetration testing or threat hunting, including a minimum of 2-3 years of exploitation experience.\nProven experience in grey and black box penetration testing.\nIn-depth understanding of OWASP Top 10, DoD, NSA, or industry-standard vulnerability and penetration testing standards.\nProficiency with penetration testing tools such as nmap, Wireshark, Burp Suite, Nessus, and similar utilities.\nExtensive knowledge of Linux operating systems.\nExpertise in exploitation techniques including buffer overflows, fuzzing, SQL injection, man-in-the-middle attacks, covert channels, secure tunneling, XSS, privilege escalation, and lateral movement.\nStrong grasp of networking, TCP/IP, virtualization, and web services.\nFamiliarity with interfacing with electronic hardware (e.g., taking apart devices and identifying hardware components).\nPreferred Qualifications\nActive TS/SCI clearance.\nCertifications such as OSCP, OSCE, GPEN, GWAPT, GXPN, CEH, or CISSP.\nExperience in malware analysis or digital computer forensics.\nScripting skills in Bash, Python, Perl, or Ruby.\nSystems programming experience.\nStrong interest in emerging penetration testing technologies and techniques.\nFamiliarity with Android operating systems.\nKnowledge of UAS/UxS technologies.\nUnderstanding of radios and radio protocols.\nExperience analyzing embedded devices.\nExperience developing and presenting proofs of concept to demonstrate exploitation techniques.","description_format":"text","description_chars":2880,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":true,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Penetration Testing","Management 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