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# CNO Developer 3

- **Company:** T-Rex Solutions, LLC
- **Location:** Hanover, MD, United States
- **Experience:** Expert
- **Salary:** $200,000.0 - $250,000.0
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Assembly Language, Confluence, JIRA, Unit Testing, Unix, C++ (Programming Language), Computer Programming, Continuous Integration, Software Debugging, Networking Hardware, Python (Programming Language), Office Suite, Program Analysis, Reverse Engineering, TCP/IP, Atlassian Tools, Devsecops
- **Published:** October 30, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9278792/cno-developer-3

## About the Role

* Bachelor's Degree and 12+yrs experience OR High School and 16+ yrs experience OR Associates and 14+ yrs OR experience OR Master's and 10+ yrs experience OR PhD and 8+ yrs experience.
 * Proficiency in Python and C/C++ programming.
 * Proficiency in low-level internals in one or more technology areas (e.g., Windows, Unix, Mobile, Network devices).
 * Proficiency with networking (TCP/IP) and socket level programming., * CNO capability development experience. Software Analysis/Reverse Engineering experience.
 * Understanding of assembly programming concepts.
 * Unit Test experience.
 * Experience using Atlassian products (JIRA, Confluence, Crucible).
 * Relevant industry standard certifications such as Certified Entry-Level Python Programmer (PCEP) or C++ Certified Professional Programmer Certification (CPP).
 * Experience with CI/CD pipeline/DevSecOps development.

Clearance Requirements:

 * Active TS/SCI security clearance with current polygraph is required.

Physical Requirements:

 * Must be able to be in a stationary position more than 50% of the time.
 * Must be able to communicate, converse, and exchange information with peers and senior personnel.
 * Constantly operates a computer and other office productivity machinery, such as a computer.

U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.

## Description

* Leads the designing, developing, documenting, testing, debugging and maintenance of hardware or software based CNO capabilities.
 * Ensure effective communication coordination and transparency with leadership and customers.
 * Responsible for ensuring software standards meet network and security requirements.
 * A SME that supervises and mentors subordinate project and ICON Innovation Collaborative (IIC) staff.