Sr. CNO Developer with Security Clearance

The Josef Group Inc.Hanover, MD🇺🇸United StatesPosted Sep 28, 2026

Why This Role Stands Out

Leverage your CNO development expertise in a mission-critical role with The Josef Group, where you'll design and build advanced cyber capabilities supporting national security. This position offers significant sign-on and retention bonuses, exceptional benefits including fully paid health coverage, and a rewarding opportunity for those with an active TS/SCI with Full Scope Polygraph. If you excel in Python or C/C++ and thrive on complex challenges, you'll find a dynamic environment to grow your career.

Quick Overview

Salary

$30k/yr

Seniority

Mid Senior

Employment type

Employee

Work mode

On Site

Location

Hanover, MD, United States

Posted

1 week ago

AssemblyC++Python

Job Description

Senior CNO Developer 🚨 📍 Hanover, MD (Onsite)
🔒 Active TS/SCI with Full Scope Polygraph Required Are you a mission-focused CNO Developer looking to work on some of the nation's most challenging cyber operations? We're seeking a Senior CNO Developer to join a high-impact team supporting critical national security missions. 💰 Compensation & Benefits:
✅ Sign-On Bonus up to $30,000
✅ Retention Bonus up to $30,000
✅ 100% Employer-Paid Health Coverage for Employees & Families
✅ 401(k) with 100% Match & Immediate Vesting
✅ 6 Weeks PTO + 11 Federal Holidays What You'll Do:

Design and develop advanced hardware and software-based CNO capabilities
Develop, test, debug, and maintain mission-critical software systems
Create data queries for databases and repositories
Apply security and networking expertise to complex cyber challenges
Ensure software engineering best practices and standards are met Required Experience:

✔ Python and/or C/C++
✔ Software development or software engineering experience
✔ Troubleshooting and debugging complex systems Preferred:
⭐ Reverse Engineering
⭐ Assembly Programming
⭐ CNO Development
⭐ Software Analysis
⭐ Unit Testing Frameworks Education & Experience:

BS in a technical field with 7+ years of experience, OR
High School Diploma with 11+ years of relevant experience If you're interested in learning more, send me a direct message or email your resume to discuss this opportunity confidentially.