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Expert CNO Developer with Security Clearance

MANTECHSan Antonio, TX🇺🇸United StatesPosted Sep 7, 2026

Why This Role Stands Out

This hybrid role offers a fantastic opportunity to contribute to critical national security missions by developing cutting-edge cyber capabilities, making it ideal for experienced CNO Developers seeking impactful work and professional growth. You'll thrive here if you possess strong C/C++ and Python skills, enjoy tackling complex technical challenges, and want to collaborate with a team of elite cyber professionals. Apply now to join MANTECH and advance your career in a dynamic and rewarding environment.

Quick Overview

Seniority
Mid Senior
Employment type
Employee
Work mode
Hybrid
Location
San Antonio, TX, United States
Posted
2 weeks ago
AnsibleC++JenkinsPython

Job Description

MANTECH seeks a motivated, career and customer-oriented Expert 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 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 objectives
  • Managing design, development, documentation, testing, and debugging application software and systems
  • Applying expert knowledge of security concepts, computer networks, and system architectures to solve complex technical challenges
  • Communicating project status, technical risks, and solutions effectively with leadership and customers
  • Ensuring established software development standards, best practices, and security guidelines are consistently met Minimum Qualifications:
  • Bachelor's Degree and 9+ years of technical experience or Master's Degree and 7+ years of technical experience, or a PhD with 5+ years of technical experience
  • Experience with Windows or Linux kernel/user-mode development
  • Experience with Windows APIs and network protocols
  • Experience programming and scripting with C, C++, and Python
  • Experience debugging using WinDbg and GDB
  • Ability to pass customer-specific Senior-level exams for developer qualification

Preferred Qualifications

  • Experience with OCO and/or CNO development
  • Experience with Reverse Engineering using IDA or Ghidra disassemblers
  • Experience with CI/CD workflows using Jenkins, Ansible or similar tools Clearance Requirements: Active TS/SCI clearance is required Physical Requirements: Must be able to remain in a stationary position 50% of the time

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