{"id":3134157,"url":"https://alion.io/job/parsons-ios-savvy-cno-developer-tssci-w-poly","title":"iOS-Savvy CNO Developer - (TS/SCI w/ Poly)","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":{"grade":"B","score":80,"open_postings":353,"ghost_share":0,"stale_share":0.983,"repost_share":0,"time_to_fill_p50_days":17,"computed_at":"2026-10-31T05:58:55Z"}},"role":"Mobile","role_family":"Mobile","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Annapolis Junction, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":162000,"max_usd":289000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":213},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Python","optional":false},{"name":"Ghidra","optional":true},{"name":"IDA Pro","optional":true}],"status":"live","first_seen_at":"2026-06-23T00:00:00Z","employer_posted_date":"2026-06-23","last_verified_at":"2026-10-31T22:29:43Z","board_verified":true,"closed_at":null,"days_open":131,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":130},"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:\nAre you looking to make great use of your iOS Reverse Engineering (RE) and vulnerability research (VR) skills, while continuing to sharpen them? If you're hungry to support an amazing mission, work as a team to leverage your skills to make a difference and learn from / collaborate with our existing iOS / vulnerability research / reverse engineering subject matter experts, we have the perfect position for you to help start a new stage of your career at Parsons!\nYou'll get the opportunity to do RE, VR, and prototype development to support a critical customer mission and develop much needed capabilities. You'll get to work at the customer site,integrated into the customer's team which includes several subject matter experts, learning from their mentorship to grow your skills and support our customer's mission. Your iOS and CNO skills will be stretched to the limit as you utilize your creativity to discover new solutions to problems, implement capabilities, and help better protect our country.\nWhat You'll Be Doing:\nConduct reverse engineering of embedded systems, binaries, and firmware.\n\nDesign, develop, and implement embedded software capabilities in C.\n\nApply vulnerability research and CNO skills to discover and implement novel solutions.\n\nWork on-site at a contractor facility, fully integrated into a small, expert team.\n\nCollaborate with senior subject matter experts and leverage their mentorship to expand your skills.\n\nContribute to efforts that directly enhance national security and protect critical systems.\n\nWhat Required Skills You'll Bring:\nTS/SCI with Polygraph required\n\n5+ years of software engineering, reverse engineering, or vulnerability research experience with C and Python\n\nExperience with reverse engineering\n\nExperience with vulnerability research\n\nExperience with iOS internals development or analysis\n\nWhat Desired Skills You'll Bring:\nExperience with vulnerability research (e.g., exploit development, fuzzing, or security analysis of embedded systems)\n\nFamiliarity with common RE tools and environments (e.g., IDA Pro, Ghidra, binary analysis platforms)\n\nExperience in CNO or related cybersecurity operations\n\n Security Clearance Requirement:\nAn active Top Secret SCI w/Polygraph security clearance is required for this position.This 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: $74,800.00 - $130,900.00We 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!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":4265,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"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":["C4ISR","Civil & Structural Engineering","Homeland Security","Engineering Services"],"lifecycle":[{"event":"open","at":"2026-10-23T04:59:46Z"}],"visa":[{"country":"US","licensed_sponsor":true,"evidence":"H-1B filings in 12 months: 1 · green card filings: 1","filings_12m":1,"filings_prev_12m":1,"green_card_filings_12m":1,"median_offered_wage_usd":167500,"route":null,"cap_exempt":false,"checked_at":"2026-10-29T16:27:21+00:00","sources":["US Department of Labor: LCA disclosure data (H-1B, H-1B1, E-3)","US Department of Labor: PERM disclosure data (green cards)"],"filings_for_role_12m":0}],"liveness":{"score":4,"band":"cold","label":"Long shot","p_open":1,"p_active":0.15,"p_room":0.28,"age_days":130,"expected_fill_days":17,"reasons":["conf:1","stale_co","velocity","win:tail","crowd:brand"],"computed_at":"2026-10-31T05:58:55Z"},"pay":null,"html_url":"https://alion.io/job/parsons-ios-savvy-cno-developer-tssci-w-poly","json_url":"https://alion.io/job/parsons-ios-savvy-cno-developer-tssci-w-poly.json","meta":{"generated_at":"2026-11-01T02:40:27Z","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":4096,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-02T00:00:00Z"}},"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-ios-savvy-cno-developer-tssci-w-poly"},{"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-ios-savvy-cno-developer-tssci-w-poly"},{"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-ios-savvy-cno-developer-tssci-w-poly"},{"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-ios-savvy-cno-developer-tssci-w-poly\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fparsons-ios-savvy-cno-developer-tssci-w-poly"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3134157}},{"tool":"search_jobs","arguments":{"company":"parsons.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3134157},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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