Senior CNO Developer

MANTECH•Hanover, MD

2d•$141,500 - $236,000•Onsite

About The Position

MANTECH is seeking an experienced, mission-focused Senior CNO Developer to join its team in Hanover, Maryland. The role contributes to mission-critical cyber capabilities and leads advanced Computer Network Operations (CNO) efforts, helping deliver next-generation solutions that safeguard national security systems. The Senior CNO Developer designs and develops hardware- or software-based CNO capabilities, manages software application and system development through documentation, testing, and debugging, and creates end-to-end data flow and tasking for CNO tools. The role applies expert knowledge of network and security concepts, communicates technical progress to leadership and stakeholders, and ensures software quality and compliance with development standards. The position requires a current and active TS/SCI with Polygraph clearance, and the candidate must be willing and able to obtain another polygraph before starting if required. The projected compensation range is $141,500–$236,000. Benefits may include health and life insurance, paid time off, holiday pay, short- and long-term disability, retirement and savings, learning and development opportunities, wellness programs, and optional benefit elections.

Requirements

A bachelor's degree in a technical discipline and 8 or more years of technical work experience, or a master's degree in a technical discipline and 6 or more years of technical work experience, or a high school diploma and 12 or more years of technical work experience.
Experience with Python and C/C++ programming languages.
Experience troubleshooting and debugging.
Experience with low-level system internals across one or more platforms, such as Windows, Unix, mobile, or network devices.
Experience with networking protocols (TCP/IP) and socket-level programming.
Experience developing CNO capabilities.
Experience leading technical CNO solutions.
Must have a current and active TS/SCI with Polygraph clearance and be willing and able to obtain another polygraph before starting if required.
Must be able to remain in a stationary position at least 50% of the time.

Nice To Haves

Experience in software analysis or reverse engineering.
Experience with assembly language programming.
Experience with unit testing frameworks and practices.
Experience using Atlassian tools such as JIRA, Confluence, and Crucible.

Responsibilities

Design and develop new hardware- or software-based Computer Network Operations (CNO) capabilities.
Manage the design, development, documentation, testing, and debugging of software applications and systems.
Design and develop end-to-end data flow and tasking for CNO tools.
Apply expert knowledge of network and security concepts to support capability development.
Communicate status updates and technical progress to leadership and stakeholders.
Ensure software quality and compliance with development standards.