CNO Developer - Military veterans preferred

ManTech (


  full-time   employee

United States

Where applicable, confirmation that you meet customer requirements for facility access which may include proof of vaccination and/or attestation and testing, unless an accommodation has been approved.

Secure our Nation, Ignite your Future

Become an integral part of a diverse team while working at an Industry Leading Organization, where our employees come first.  At ManTech International Corporation, you’ll help protect our national security while working on innovative projects that offer opportunities for advancement.

Currently, ManTech is seeking a motivated, career and customer oriented CNO Developer to join our team in Herndon, VA.

Responsibilities include, but are not limited to:

  • Provides design ideas for new capabilities or recommendations for improvements to existing capabilities.

  • Knowledge of multiple programming languages including C and Python.

  • Knowledge of security concepts, networks, device drivers, & system internals are applied in daily tasks.

  • Knowledge in at least one technology area (e.g. Windows, Unix, Mobile, Network devices).

  • Assist with the development and drafting of new feature ideas and concepts.

  • Communicates status with leadership.

  • Knowledge of multiple software development methodologies (e.g. Scrum, TDD, Waterfall).

  • Knowledge of Agile toolsets; Confluence and Jira. 

Basic Qualifications:

  • Bachelor’s Degree in Computer Science or a similar discipline

  • Must have between 2-5 years of experience and at least 2 years of experience in C

  • Experience with SQLite Databases

  • Strong understanding of Software Analysis, Reverse Engineering and Assembly concepts

  • Embedded systems development experience

  • Must have strong analytical and critical thinking skills

  • Agile methodology experience

  • Experience with GitHub, Linux Kernel Development, Linux Device Driver Development, Linux Networking, and Network Virtualization, including OVS and CNI

Preferred Qualifications:

  • Experience working with networking (TCP/IP)

  • Experience with Python, Unit Test, Jenkins Continuous Integration Server

  • Design Architecture background

Security Clearance Requirements:

  • Must possess a minimum Secret clearance or higher

Physical Requirements:

  • Sedentary Work

  • Communicating with others to exchange information and frequently communicates with co-workers, management and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations.

  • Working with computers.

For all positions requiring access to technology/software source code that is subject to export control laws, employment with the company is contingent on either verifying U.S.-person status or obtaining any necessary license. The applicant will be required to answer certain questions for export control purposes, and that information will be reviewed by compliance personnel to ensure compliance with federal law. ManTech may choose not to apply for a license for such individuals whose access to export-controlled technology or software source code may require authorization and may decline to proceed with an applicant on that basis alone.

ManTech International Corporation, as well as its subsidiaries proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment because of race, color, sex, religion, age, sexual orientation, gender identity and expression, national origin, marital status, physical or mental disability, status as a Disabled Veteran, Recently Separated Veteran, Active Duty Wartime or Campaign Badge Veteran, Armed Forces Services Medal, or any other characteristic protected by law.

If you require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please contact ManTech's Corporate EEO Department at (703) 218-6000. ManTech is an affirmative action/equal opportunity employer - minorities, females, disabled and protected veterans are urged to apply. ManTech's utilization of any external recruitment or job placement agency is predicated upon its full compliance with our equal opportunity/affirmative action policies. ManTech does not accept resumes from unsolicited recruiting firms. We pay no fees for unsolicited services.

If you are a qualified individual with a disability or a disabled veteran, you have the right to request an accommodation if you are unable or limited in your ability to use or access as a result of your disability. To request an accommodation please click and provide your name and contact information.