{"id":2283298,"url":"https://alion.io/job/nightwing-principal-senior-cno-developer-onsite","title":"Principal Senior CNO Developer (Onsite)","company":{"id":3852631,"name":"Nightwing","domain":"nightwing.com","url":"https://alion.io/company/nightwing-2","size_band":"501-1000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"B","score":75,"open_postings":92,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-15T05:46:00Z"}},"role":"Backend","role_family":"Backend","seniority":"lead","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":{"min":122000,"max":253000,"currency":"USD","period":"year","gross":null,"usd_annual":253000},"salary_estimate":null,"experience_years_min":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":".NET","optional":false},{"name":"Bash","optional":false},{"name":"C++","optional":false},{"name":"Ghidra","optional":false},{"name":"Git","optional":false},{"name":"IDA Pro","optional":false},{"name":"Java","optional":false},{"name":"Kanban","optional":false},{"name":"OllyDbg","optional":false},{"name":"Perl","optional":false},{"name":"PowerShell","optional":false},{"name":"Python","optional":false},{"name":"Scrum","optional":false},{"name":"Unix","optional":false},{"name":"Windows","optional":false},{"name":"Assembly","optional":true},{"name":"C#","optional":true}],"status":"live","first_seen_at":"2026-06-29T00:00:00Z","employer_posted_date":"2026-06-29","last_verified_at":"2026-10-15T06:09:16Z","board_verified":true,"closed_at":null,"days_open":108,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":108},"description":"Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers’ most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive offerings to customers in the intelligence community, defense, civil, and commercial markets.\nPosition Overview:\nThe candidate will take a leading role in designing, developing, testing, and maintaining advanced CNO capabilities to fulfill high-priority mission requirements. They will contribute technical expertise, provide mentorship to junior team members, and ensure tools are ready for operational success.\nClearance:\nTS/SCI + FSP + CI Poly Preferred\nRequired Qualifications:\nBachelor’s Degree and (12) years of experience OR Master’s degree with (10) years of experience\nMinimum eight (8) years of experience programming in Assembly, C, C++, Java, Perl, and/or Python\nMinimum seven (7) years of experience developing in one (1) or more of the following: Windows applications using Visual Studio or .NET environments; UNIX applications using make files or comparable build environments\nMinimum six (6) years of experience with programming CNO tools and techniques\nMinimum five (5) years of experience managing and supervising teams in support of Government CNO capability development\nMinimum five (5) years of experience programming CNO tools for the US Government\nMinimum four (4) years of experience programming techniques to evade host and/or network-based IDS\nMinimum four (4) years’ experience in network sockets programming and application-level protocols\nSpecialized Qualifications: \nProficiency in programming languages such as Python, C/C++, and/or Assembly, along with scripting languages (e.g., Bash, PowerShell)\nDeep understanding of operating systems internals and kernel-level programming\nExpertise in exploitation techniques, including buffer overflows, heap spraying, privilege escalation, and more\nKnowledge of modern encryption protocols, defense evasion strategies, and network interception\nUnderstanding of network protocols and sockets, common CNO techniques, exploitation mitigations such as DEP and ASLR, and modern software engineering concepts\nExperience with reverse engineering frameworks (e.g., IDA Pro, Ghidra, OllyDbg) and disassemblers/debuggers\nExperience with project management best practices such as Scrum and Kanban methodologies\nExperience with version control systems (e.g., Git) along with understanding of basic configuration management principles\nWhat We Offer:\nWhether you’re just starting out on your career journey or are an experienced professional, we offer a total rewards package that goes above and beyond with compensation; healthcare, wellness, retirement and work/life benefits; career development and recognition programs.\nPreviously part of a leading Fortune 100 company and headquartered in Dulles, VA; Nightwing became independent in 2024 but continues to support the nation’s most mission impactful initiatives.\nWhen we formed Nightwing, we brought a deep set of credentials and an unfaltering commitment to the mission. For over four decades, our team has been providing some of the world’s most technically advanced full-spectrum cyber, data operations, systems integration and intelligence support services to the U.S. government on its most important missions.\nAt Nightwing, we value collaboration and teamwork. You’ll have the opportunity to work alongside talented individuals who are passionate about what they do. Together, we’ll leverage our collective expertise to drive innovation, solve complex problems, and deliver exceptional results for our clients.\nThank you for considering joining us as we embark on this new journey and shape the future of cybersecurity and intelligence together as part of the Nightwing team.\nNightwing offers medical, vision and dental insurance coverage in addition to a 401k plan, PTO, Holidays and additional insurances.\nSalary & Benefits\nThe salary associated with this position ($122,000-$253,000) is commensurate with the selected candidate’s qualifications, years of relevant experience, and demonstrated level of expertise. Compensation will be determined based on these factors to ensure alignment with skills, responsibilities, and market standards.Nightwing offers medical, vision and dental insurance coverage in addition to a 401k plan, PTO, Holidays, and additional insurances.\nNightwing is An Equal Opportunity/Affirmative Action Employer. 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