{"id":2360146,"url":"https://alion.io/job/zetier-principal-cno-software-engineer","title":"Principal CNO Software Engineer","company":{"id":4424535,"name":"Zetier","domain":"zetier.com","url":"https://alion.io/company/zetier-2","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Breezy","truth_index":null},"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":["State College, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":119000,"max_usd":240000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":988},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Binary Ninja","optional":false},{"name":"C++","optional":false},{"name":"IDA Pro","optional":false},{"name":"Python","optional":false},{"name":"Windows","optional":false},{"name":"Zigbee","optional":false},{"name":"Assembly","optional":true}],"status":"live","first_seen_at":"2026-04-07T21:11:12Z","employer_posted_date":"2026-04-07","last_verified_at":"2026-10-12T20:29:32Z","board_verified":true,"closed_at":null,"days_open":188,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":188},"description":"Principal CNO Software Engineer\nZetier is seeking Principal CNO Software Engineers to develop operationally critical cyber capabilities. Candidates will demonstrate practical experience designing, developing, and deploying tools intersecting command and control, persistence, and networking.\nRequired:\nHighly experienced with low-level programming (C/C++)\nExperience developing in scripting languages (Python)\nHighly experienced in systems software development (Linux/Windows kernel drivers)\nSuccessfully developed cutting edge end-to-end cyber solutions\nEffective communication with customers and teammates\nActive U.S. security clearance\nDesired:\nExperience working in networking (802.11ac, Zigbee, GSM, SATCOM, SDN, UHF/VHF, 5g)\nIntegration with standard system libraries (POSIX, WIN32 API)\nDevelopment on embedded platforms (uBoot, drone firmware, IOT)\nReverse engineering experience (gdb, Binary Ninja, IDA Pro)\nFamiliar reading assembly / compiled programs (x86, x64, ARM)\nSecurely implemented cryptographic primitives (AES-GCM, SHA256, ECDSA)\nDeveloped/patched version control software itself (git, svn, mercurial)\nDeveloped software on mobile platforms (Android, iOS)\nSuccessfully led small cross-domain development teams\nZetier is proud to be an Equal Opportunity Employer.\nWe celebrate diversity and do not discriminate on the basis of race,\nreligion, color, sex, gender identity, sexual orientation, age,\nnon-disqualifying physical or mental disability, national origin,\nveteran status or any other basis protected by law. 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