{"id":3682361,"url":"https://alion.io/job/parsons-software-engineer-i-top-secret","title":"Software Engineer I - Top Secret","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":340,"ghost_share":0,"stale_share":0.982,"repost_share":0.003,"time_to_fill_p50_days":18,"computed_at":"2026-11-09T06:03:00Z"}},"role":"Backend","role_family":"Backend","seniority":"junior","employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["United States"],"countries":["US"],"hiring_countries":["US"],"hiring_countries_total":1,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"C++","optional":false},{"name":"DNS","optional":false},{"name":"Git","optional":false},{"name":"Linux","optional":false},{"name":"Python","optional":false},{"name":"TCP/IP","optional":false},{"name":"Windows","optional":false},{"name":"CI/CD","optional":true},{"name":"Java","optional":true},{"name":"Kotlin","optional":true},{"name":"Objective-C","optional":true},{"name":"Swift","optional":true}],"status":"live","first_seen_at":"2026-11-03T13:40:43Z","employer_posted_date":"2026-11-03","last_verified_at":"2026-11-08T23:19:25Z","board_verified":true,"closed_at":null,"days_open":5,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":5},"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:\nIn a world of possibilities, pursue one with endless opportunities. Imagine Next! When it comes to what you want in your career, if you can imagine it, you can do it at Parsons. Join an amazing collaborative team that analyzes, designs, and develops computer software to support marquee customers in Defense and Intelligence. We are seeking a CNO Software Developer to develop and maintain cyber network operations tools and capabilities that enable critical national security missions.\nWhat You'll Be Doing:\nContribute code to CNO tool components in C under close guidance of senior and lead engineers, following established designs and standards\nWrite code predominantly in C, with contributions in Python for server-side components\nExecute assigned development tasks following established procedures and coding standards\nTroubleshoot software defects using debugging tools and techniques learned from senior team members\nSupport operationalizing proof-of-concept vulnerabilities and CVEs into deployable capabilities under supervision\nCollaborate with team members on vulnerability research integration activities\nContribute to test procedures and technical documentation for CNO software deliverables\nPerforms other responsibilities associated with this position as may be appropriate.\nWhat Required Skills You'll Bring:\nActive Top Secret required; must be able to attain and maintain TS/SCI \nBachelor's degree in a related field (Computer Science, Cybersecurity, Computer Engineering, etc.)\n2+ years of relevant cyber capability tool development and/or systems/embedded development experience (entry level); Master's Degree will be considered in lieu of experience requirement.\n0-2+ years developing in C or C++\nKnowledge of networking fundamentals (e.g., TCP/IP, DNS, HTTP/S)\nExperience developing in Windows or Linux environments\nVersion control (Git)\n What Desired Skills You'll Bring:\nExperience with CI/CD pipelines and build automation workflows\nExperience developing in both Windows and Linux environments\nBuilding applications in Python\nKnowledge of concurrent application development concepts (e.g., multi-threaded and/or distributed)\nMulti-architecture assembly languages (e.g., ARM, MIPS)\nMobile development experience (e.g., Objective-C, Swift for iOS; Java, Kotlin for Android)\nAdditional operating systems (e.g., OSX, router/embedded firmware platforms)\nCertifications include OSCP, OSED, OSWE, Corelan Academy. None required.\nTravel Required: Up to 10% for remote roles\n Security Clearance Requirement:\nAn active Top Secret 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: $88,400.00 - $154,700.00We 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":4767,"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":["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":"2026-11-03T13:40:43Z"}],"visa":[{"country":"US","licensed_sponsor":true,"adverts_offering_sponsorship_24m":0,"sanctioned_now":false,"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":"2026-11-09T07:32:21+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":1}],"liveness":{"score":60,"band":"ok","label":"Likely open","p_open":1,"p_active":0.598,"p_room":1,"age_days":5,"expected_fill_days":18,"reasons":["conf:6","stale_co","velocity","win:early","comp:junior,brand"],"computed_at":"2026-11-09T06:03:00Z"},"pay":null,"html_url":"https://alion.io/job/parsons-software-engineer-i-top-secret","json_url":"https://alion.io/job/parsons-software-engineer-i-top-secret.json","meta":{"generated_at":"2026-11-09T09:59:30Z","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":10125,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-10T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.1,"usd":0.01,"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-software-engineer-i-top-secret"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":2,"usd":0.2},"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-software-engineer-i-top-secret"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.1,"usd":0.01},"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-software-engineer-i-top-secret"},{"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-software-engineer-i-top-secret\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fparsons-software-engineer-i-top-secret"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3682361}},{"tool":"search_jobs","arguments":{"company":"parsons.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3682361},"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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