Linux CNO Developer - Maryland, Fort Meade - Job

Markesman LLC; Fort Meade, Northern (MD, KY); Hybrid; USD 120,000 - 170,000; Full time

Job summary

Markesman Group is seeking a Linux/C++ software engineer to design, develop and maintain capabilities for CNO missions. The role emphasizes C/C++ and Python on Linux, with focus on OS internals, networking, and system interfaces.

The ideal candidate can work independently and within a collaborative team, participating in debugging, code reviews, and lifecycle activities to deliver production-ready software for secure environments.

Qualifications

• Experience developing Linux-based software.
• Strong C and C++ development experience.
• Experience with Python and scripting.
• Familiarity with TCP/IP networking and sockets.
• Ability to debug with tools such as GDB.
• Experience using Git or similar CM tools.
• Ability to work independently and in a team.

Responsibilities

• Design, develop, test, and maintain Linux-based software for CNO missions.
• Develop software in C/C++ and Python for Linux environments.
• Work with Linux internals, networking, processes, memory, and OS interfaces.
• Develop and integrate software interacting with network protocols and targets.
• Debug and troubleshoot complex software issues using Linux tools.
• Perform software analysis, testing, and research to identify solutions.
• Develop prototypes and transition capabilities into production-ready software.
• Collaborate with vulnerability researchers, reverse engineers, analysts, and developers.
• Participate in code reviews, configuration management, testing, and releases.

Skills

Linux development

C/C++ development

Python scripting

Networking concepts

Debugging with GDB

Git

Independent work

Tools

GDB

Git

Job description

Responsibilities

• Design, develop, test, and maintain Linux-based software capabilities supporting Computer Network Operations (CNO) missions.
• Develop software primarily in C/C++ and Python for Linux environments.
• Work with low-level Linux functionality, operating system internals, networking, processes, memory, and system interfaces.
• Develop and integrate software capabilities that interact with network protocols, operating systems, and target environments.
• Debug and troubleshoot complex software issues using standard Linux development and diagnostic tools.
• Perform software analysis, testing, and technical research to identify potential solutions to mission requirements.
• Develop prototypes and transition successful capabilities into operationally supportable software.
• Collaborate with vulnerability researchers, reverse engineers, analysts, and other software developers throughout the development lifecycle.
• Participate in code reviews, configuration management, testing, documentation, and software release activities.
• Support existing CNO capabilities through troubleshooting, enhancements, and technical updates.

Qualifications

• Experience developing software in Linux environments.
• Strong development experience with C and/or C++.
• Experience with Python, Bash, or other scripting languages.
• Understanding of Linux operating system concepts, including processes, memory management, file systems, permissions, and networking.
• Knowledge of TCP/IP, network protocols, sockets, and client/server communications.
• Experience debugging software using tools such as GDB or similar development tools.
• Experience with Git or other software configuration management tools.
• Ability to analyze complex technical problems and develop effective software solutions.
• Ability to work independently as well as within a collaborative technical team.

About the Organization

About the Organization About Markesman Group

Markesman Group has gathered the nation's foremost experts in Cyber, ISR, Enterprise IT and Intelligence Analysis. We seek to lead with cutting edge technology, high quality development and best value services for both the government and commercial sectors. Our team combines passion, acumen, focus, patriotism, desire, dedication and the love for the job to create value for our customers. We pride ourselves in a rigorous selection process because not only do we want the best, we want the best to want us. Working closely together as part of a service-disabled veteran owned small business, we enjoy a family environment where teammates challenge and elevate each other every day. The Markesman family is always striving to solve tomorrow's problems, today.

EOE Statement We are an Equal Opportunity/Affirmative Action Employer. We consider applicants without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender, gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, or membership in any other group protected by federal, state, or local law. EOE/M/F/Vet/Disabled.

This position is currently accepting applications.