Expert CNO Developer
Company: MANTECH
Role summary
Expert CNO Developer is a full-time role at MANTECH in San Antonio, Texas, United States (on-site). Posted 2026-10-02. Experience level: 10+.
- Job title
- Expert CNO Developer
- Company
- MANTECH
- Location
- San Antonio, Texas, United States
- Work arrangement
- on-site
- Employment type
- full-time
- Category
- Software Engineering
- Experience level
- 10+
- Date posted
- 2026-10-02
This role offers a chance to work on cutting-edge technology within national security, providing advanced solutions to government intelligence agencies. It's a full-time position with opportunities for professional growth and to tackle complex, impactful projects.
Job description
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 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
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 careers@mantech.com and provide your name and contact information.
General information
Requisition #
R70192
Locations
USA-TX-San Antonio
Posting Date
08/26/2026
Security Clearance Required
TS/SCI
Remote Type
Onsite
Time Type
Full time