CNO Developer

General information Requisition #

R70573

Locations USA-TX-San Antonio Posting Date 09/08/2026 Security Clearance Required Secret Remote Type Onsite Time Type Full time Description & Requirements Unlock the secrets of intelligence with MANTECH! Join a dynamic team at the forefront of national security, providing advanced solutions to government intelligence agencies. Since 1968, we’ve been solving the toughest challenges with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development. Elevate your career and make a difference. Your adventure begins now—unleash your potential with MANTECH!MANTECH seeks a motivated, career and customer-oriented CNO Developer to join our team in San Antonio, TX. In this role, you will become an integral member of a diverse team of elite cyber professionals supporting critical national security missions. You will work on challenging technical problems, develop innovative offensive and defensive cyber capabilities, and collaborate with leadership and customers to deliver high-impact solutions in a dynamic environment.Responsibilities include but are not limited to:Designing and developing new hardware- or software-based CNO capabilities to support mission objectivesManaging the design, development, documentation, testing, and debugging of application software and systemsApplying expert knowledge of security concepts, computer networks, and system architectures to solve complex technical challengesCommunicating project status, technical risks, and solutions effectively with leadership and customersEnsuring established software development standards, best practices, and security guidelines are consistently metMinimum Qualifications:BS degree and 5+ years of software development experience5+ years of experience programming and scripting with C/ C++, and PythonExperience with Windows and Linux kernel/user-mode developmentExperience debugging using WinDbg and GDBPreferred Qualifications:Experience with CNO developmentExperience with Reverse Engineering using IDA or Ghidra disassemblersExperience with CI/CD workflows using Jenkins, Ansible or similar toolsExperience with technical documentationClearance Requirements:Must have an active/current Secret security clearance with the ability to obtain and maintain a TS/SCIPhysical Requirements:Must be able to remain in a stationary position 50% of the time.MANTECH considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.If you need a reasonable accommodation to apply for a position with MANTECH, please email us at View email address on click.appcast.io and provide your name and contact information.