{"id":2110943,"url":"https://alion.io/job/parsons-vulnerability-research-reverse-engineer-principal","title":"Vulnerability Research / Reverse Engineer, Principal","company":{"id":4937,"name":"Parsons","domain":"parsons.com","url":"https://alion.io/company/parsons","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":null},"role":"Security","role_family":"Security","seniority":"lead","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":125000,"max_usd":263000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":349},"experience_years_min":10,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"C++","optional":false},{"name":"CI/CD","optional":false},{"name":"Git","optional":false},{"name":"Linux","optional":false},{"name":"Python","optional":false},{"name":"Windows","optional":false}],"status":"live","first_seen_at":"2026-10-08T22:17:16Z","employer_posted_date":"2026-10-08","last_verified_at":"2026-10-13T04:01:46Z","board_verified":true,"closed_at":null,"days_open":4,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":4},"description":"In a world of possibilities, pursue one with endless opportunities. Imagine Next!At Parsons, you can imagine a career where you thrive, work with exceptional people, and be yourself. Guided by our leadership vision of valuing people, embracing agility, and fostering growth, we cultivate an innovative culture that empowers you to achieve your full potential. Unleash your talent and redefine what’s possible.Job Description:\nParsons is seeking a Senior Vulnerability Research / Reverse Engineer to join our team in support of specialized military cyber operations. You’ll be a critical member of a small team, responsible for research and development of cyber capabilities. Join our team of best-in-industry cyber warriors who are dedicated to providing superior service in support of national defense objectives.\nThis position can support hybrid, or in-person. Candidates willing to be hybrid and able to work in a classified environment at one of Parsons’ offices in Centreville, Chantilly, or Herndon, VA are preferred.\nWhat You'll Be Doing:\nPerform vulnerability research / reverse engineering (VR/RE) against a variety of hardware and software targets\n\nAllocate tasking to support larger-scale cyber tool development\n\nPerform testing and integration of cyber tools\n\nRequired Qualifications: \nBachelor's degree in related technical field and 10+ years of professional related experience; Master's degree in related field will be considered in lieu of 4 years on experience\n\n10+ years utilizing programming languages such as Python, C, C++, x86\n\n5+ years of experience in vulnerability research and/or cyber tool development\n\nKnowledge of networking fundamentals\n\nExperience developing in Windows and Linux environments\n\nExperience with CI / CD Pipelines and version control (Git)\n\nDesired Qualifications:\n10+ years of experience in vulnerability research and/or cyber tool development\n\nCross-Platform Windows-Linux development\n\nExperience with Windows Internals and/or Linux kernel level programming\n\nKnowledge of concurrent application development concepts (multi-threaded and/or distributed)\n\nFamiliarity with antivirus evasion techniques\n\nAssembly languages (x86, ARM, MIPS, etc)\n\nAdditional Operating Systems (Android, iOS, OSX)\n\nCertified/trained in one or more of the following: Corelan Bootcamp/Advanced, ManTech ACTP Windows/Linux/VR&E, OSCP, OSED, OSWE\n\nExperience supporting USCYBERCOM, NSA, DoD cyber operations, or related mission environments\n\nSecurity Clearance Requirement:\nAbility to obtain a TS/SCI security clearance\n\nU.S. Citizenship is required\n\n Security Clearance Requirement:\nNoneThis position is part of our Federal Solutions team.The Federal Solutions segment delivers resources to our US government customers that ensure the success of missions around the globe. Our intelligent employees drive the state of the art as they provide services and solutions in the areas of defense, security, intelligence, infrastructure, and environmental. We promote a culture of excellence and close-knit teams that take pride in delivering, protecting, and sustaining our nation's most critical assets, from Earth to cyberspace. Throughout the company, our people are anticipating what’s next to deliver the solutions our customers need now.Salary Range: $148,300.00 - $266,900.00We value our employees and want our employees to take care of their overall wellbeing, which is why we offer best-in-class benefits such as medical, dental, vision, paid time off, 401(k), life insurance, flexible work schedules, and holidays to fit your busy lifestyle!This position will be posted for a minimum of 3 days and will continue to be posted for an average of 30 days until a qualified applicant is selected or the position has been cancelled.Parsons is an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, veteran status or any other protected status.We truly invest and care about our employee’s wellbeing and provide endless growth opportunities as the sky is the limit, so aim for the stars! Imagine next and join the Parsons quest-APPLY TODAY!Parsons is aware of fraudulent recruitment practices. To learn more about recruitment fraud and how to report it, please refer to https://www.parsons.com/fraudulent-recruitment/.","description_format":"text","description_chars":4357,"description_truncated":false,"requirements":{"experience_years_min":10,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":true,"languages":[]},"benefits":["Flexible schedule","Growth opportunities","Life insurance"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Events & Ticketing","Government","Military","Homeland Security"],"lifecycle":[{"event":"open","at":"2026-10-08T22:17:16Z"}],"visa":[],"liveness":{"score":40,"band":"fade","label":"Fading","p_open":1,"p_active":0.731,"p_room":0.55,"age_days":4,"expected_fill_days":4,"reasons":["conf:1","velocity","win:tail","comp:brand"],"computed_at":"2026-10-13T05:45:00Z"},"pay":null,"html_url":"https://alion.io/job/parsons-vulnerability-research-reverse-engineer-principal","json_url":"https://alion.io/job/parsons-vulnerability-research-reverse-engineer-principal.json","meta":{"generated_at":"2026-10-13T17:05:30Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":26044,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-14T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":4937},"rest":"https://alion.io/mcp/rest/get_company?id=4937"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fparsons-vulnerability-research-reverse-engineer-principal"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fparsons-vulnerability-research-reverse-engineer-principal"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fparsons-vulnerability-research-reverse-engineer-principal"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/parsons-vulnerability-research-reverse-engineer-principal\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fparsons-vulnerability-research-reverse-engineer-principal"}]}