{"schemaVersion":"jobsearcher.job.v1","id":"c37c217cfaa25ae08d706fb6","url":"https://jobsearcher.com/jobs/c37c217cfaa25ae08d706fb6","canonicalUrl":"https://jobsearcher.com/jobs/c37c217cfaa25ae08d706fb6","title":"Sr/Pr CNO Developer","description":"Sr/Pr CNO Developer\nLocation: Hanover, MD (On-site)\nSalary: $180,000 - $200,000\nRing0 Technologies (\"Ring Zero\") is hiring an advanced Senior or Principal CNO Developer passionate about producing custom capabilities for critical cyberspace operations. This developer will be integrated into a cutting-edge cybersecurity team and will be thrust into performing in the most challenging computer environments.\nSecurity Clearance Requirement: Active/current TS/SCI with Polygraph is required\nResponsibilities include, but are not limited to:\nAs an Sr/Pr CNO Developer, you will work in an Agile environment and leverage your skills in Research, Software Engineering and Networking to solve complex technical problems and develop impactful mission tools.\nIn this role, you will be a contributing member of a small multi-disciplinary team that researches platforms and implements solutions in C, C++, and Assembly.\nYou will also be responsible for supporting unit, component, and system test activities as well as contribute to readiness reviews and product release cycles.\nYou must be able to effectively communicate with the technical team, management, and the customer to keep them informed of progress, plans and potential issues.\nBasic Qualifications:\nBachelor’s Degree or equivalent in Computer Science or Engineering AND 10+ years of relevant experience.\nExperience in system level programming or developing for embedded systems.\nDevelopment experience using C/C++ for x86, PowerPC, MIPS, or ARM.\nExperience in network programming.\nExperience reverse engineering using Ghidra, IDA Pro, or Binary Ninja.\nFamiliarity with basic VLAN/VPN/NAT concepts.\nFamiliarity using signal analysis tools such as Wireshark.\nScripting experience using Python, Ruby, or JavaScript.\nComfortable developing in the Linux operating system.\nPreferred Qualifications:\nExperience working in an Agile environment utilizing the Atlassian suite.\nExperience with Real-Time Operating Systems such as VxWorks, Integrity, eCos or POSIX compliant Operating Systems such as Solaris or BSD.\nFamiliarity with SVN or GIT version control systems along with an understanding of basic Configuration Management principles.\nExperience with network test equipment such as Spirent/Ixia/Xena packet testers.\nKernel Development experience\nJob Type: Full-time\nPay: $180,000.00 - $250,000.00 per year\nBenefits:\n401(k)\n401(k) matching\nDental insurance\nEmployee assistance program\nHealth insurance\nLife insurance\nPaid time off\nReferral program\nRelocation assistance\nTuition reimbursement\nVision insurance\nApplication Question(s):\nWhat type of Polygraph do you have?\nExperience:\ndevice drivers: 1 year (Preferred)\nVisual Studio: 1 year (Preferred)\nDebugging: 5 years (Preferred)\npython: 5 years (Required)\nC: 5 years (Required)\nAssembly: 3 years (Preferred)\nOS Kernels: 3 years (Preferred)\nSecurity clearance:\nTop Secret (Required)\nAbility to Relocate:\nHanover, MD 21076: Relocate before starting work (Required)\nWork Location: In person","company":"Ring0 Technologies","rawCompany":"ring0 technologies","city":"Hanover","state":"MD","isRemote":false,"isActive":false,"createdAt":"2026-08-05T00:14:29.604Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"},{"code":"15-1251.00","title":"Computer Programmers","slug":"computer-programmers"}],"industries":[{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"541715","title":"Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)","slug":"research-and-development-in-the-physical-engineering-and-life-sciences-except-nanotechnology-and-biotechnology"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Sr/Pr CNO Developer","description":"Sr/Pr CNO Developer\nLocation: Hanover, MD (On-site)\nSalary: $180,000 - $200,000\nRing0 Technologies (\"Ring Zero\") is hiring an advanced Senior or Principal CNO Developer passionate about producing custom capabilities for critical cyberspace operations. This developer will be integrated into a cutting-edge cybersecurity team and will be thrust into performing in the most challenging computer environments.\nSecurity Clearance Requirement: Active/current TS/SCI with Polygraph is required\nResponsibilities include, but are not limited to:\nAs an Sr/Pr CNO Developer, you will work in an Agile environment and leverage your skills in Research, Software Engineering and Networking to solve complex technical problems and develop impactful mission tools.\nIn this role, you will be a contributing member of a small multi-disciplinary team that researches platforms and implements solutions in C, C++, and Assembly.\nYou will also be responsible for supporting unit, component, and system test activities as well as contribute to readiness reviews and product release cycles.\nYou must be able to effectively communicate with the technical team, management, and the customer to keep them informed of progress, plans and potential issues.\nBasic Qualifications:\nBachelor’s Degree or equivalent in Computer Science or Engineering AND 10+ years of relevant experience.\nExperience in system level programming or developing for embedded systems.\nDevelopment experience using C/C++ for x86, PowerPC, MIPS, or ARM.\nExperience in network programming.\nExperience reverse engineering using Ghidra, IDA Pro, or Binary Ninja.\nFamiliarity with basic VLAN/VPN/NAT concepts.\nFamiliarity using signal analysis tools such as Wireshark.\nScripting experience using Python, Ruby, or JavaScript.\nComfortable developing in the Linux operating system.\nPreferred Qualifications:\nExperience working in an Agile environment utilizing the Atlassian suite.\nExperience with Real-Time Operating Systems such as VxWorks, Integrity, eCos or POSIX compliant Operating Systems such as Solaris or BSD.\nFamiliarity with SVN or GIT version control systems along with an understanding of basic Configuration Management principles.\nExperience with network test equipment such as Spirent/Ixia/Xena packet testers.\nKernel Development experience\nJob Type: Full-time\nPay: $180,000.00 - $250,000.00 per year\nBenefits:\n401(k)\n401(k) matching\nDental insurance\nEmployee assistance program\nHealth insurance\nLife insurance\nPaid time off\nReferral program\nRelocation assistance\nTuition reimbursement\nVision insurance\nApplication Question(s):\nWhat type of Polygraph do you have?\nExperience:\ndevice drivers: 1 year (Preferred)\nVisual Studio: 1 year (Preferred)\nDebugging: 5 years (Preferred)\npython: 5 years (Required)\nC: 5 years (Required)\nAssembly: 3 years (Preferred)\nOS Kernels: 3 years (Preferred)\nSecurity clearance:\nTop Secret (Required)\nAbility to Relocate:\nHanover, MD 21076: Relocate before starting work (Required)\nWork Location: In person","datePosted":"2026-08-05T00:14:29.604Z","dateModified":"2026-08-05T00:14:29.604Z","hiringOrganization":{"@type":"Organization","name":"Ring0 Technologies","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Hanover","addressRegion":"MD","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"c37c217cfaa25ae08d706fb6"},"url":"https://jobsearcher.com/jobs/c37c217cfaa25ae08d706fb6"}}