Expert CNO Software Engineer
Company: MANTECH
Location: Harmans
Posted on: March 22, 2026
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Job Description:
MANTECH seeks a highly technical and mission-focused Expert 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 20 years of technical work
experience or High School Diploma and 24 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
managing and leading the development of technical CNO solutions and
development teams 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
Keywords: MANTECH, Leesburg , Expert CNO Software Engineer, IT / Software / Systems , Harmans, Virginia
