Senior CNO Software Engineer

General information

Requisition # R66465 Locations USA-CO-Aurora Posting Date 03/09/2026 Security Clearance Required TS/SCI w/ Poly 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 highly technical and mission-focused Senior CNO Software Engineer to join our team in Aurora, CO.
 

In this role, you will develop advanced CNO capabilities that directly support national security. You’ll work in a collaborative environment focused on solving complex technical challenges in support of our customer’s most critical missions.
 

Responsibilities include but are not limited to:

• Design and develop new hardware- or software-based CNO capabilities
• Manage the design, development, documentation, testing, and debugging of applications software and systems
• Apply expert knowledge of security concepts and network technologies
• Develop data queries for existing or proposed databases or data repositories
• Develop or implement algorithms to meet or exceed system performance and functional standards

Minimum Qualifications:

• BS Degree in a technical discipline and 14+ years of technical work experience or High School Diploma and 18+ years of technical work experience
• Experience in Python or C/C++ programming
• Experience with troubleshooting and debugging complex systems
• Experience with low-level system internals across one or more platforms (e.g., Windows, Unix, Mobile, or network devices)
• Experience with networking protocols (TCP/IP) and socket-level programming
• Experience with developing CNO capabilities
• Experience with leading the development of technical CNO solutions
   

Preferred Qualifications:

• Experience with programming in assembly languages
• Experience in software analysis or reverse engineering
• Experience with unit testing frameworks and practices
• Experience using Atlassian tools (JIRA, Confluence, Crucible)
   

Clearance Requirements:

• Must have a current/active TS/SCI w/Polygraph security clearance and be willing and able to obtain another polygraph prior to start, if required
   

Physical Requirements:

• Must be able to remain in a stationary position 50% of the time

The projected compensation range for this position is $104,200.00-$172,900.00. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work expe