← Back to Jobs
Employee
Technology
Senior CNO Software Engineer with Security Clearance
MANTECHHanover, MD🇺🇸United StatesPosted 14 Jul 2026
Quick Overview
Work Type
Hybrid
Schedule
Employee
Level
Mid Senior
Job Description
MANTECH seeks a highly technical and mission-focused Senior CNO Software Engineer to join our team in Hanover, MD. 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
* 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
Skills
TCP/IP
Assembly
Confluence
C++
Jira
Python
Similar jobs
Senior Software Engineer with Security Clearance
Base-2 Solutions, LLC · Bethesda, United States
Just now$10k/yr4452 Software Developer with Security Clearance
Procession Systems · Chantilly, United States
Just nowPrincipal Software Engineer (Autonomy) with Security Clearance
Lynx Software Technologies Inc · Palmdale, United States
Just now$160k - $200k/yrJourneyman Software Engineer with Security Clearance
Amentum · Fredericksburg, United States
20 minutes ago$100k - $120k/yrSoftware Engineer 3 Tester with Security Clearance
CyberCore Technologies · Annapolis Junction, United States
20 minutes ago$120k - $188k/yrSoftware Engineer (Frontend Focus) with Security Clearance
Visionist · Fort Meade, United States
20 minutes ago$115k - $160k/yr