CNO Developer - Military veterans preferred

ManTech (


  full-time   employee

United States

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:

  • Write stable, robust C applications and libraries for a variety of platforms.
  • Engage in reverse engineering of existing applications and libraries.
  • Audit the code of peers for potential flaws and security concerns.
  • Thoroughly document, in a manner suitable for widespread publication, results of research and development effort.
  • Represent ManTech in customer facing meetings and public venues.

Basic Qualifications:

  • Strong verbal and written communication skills.
  • Familiarity with at least one mobile or embedded platform programming environment desired.
  • In-depth knowledge of internals of one or more operating systems (Windows, Linux).
  • Experience with kernel-level programming and/or debugging.
  • Experience writing clear, concise documentation.
  • Experience reverse engineering existing applications and libraries.
  • Experience with IDA Pro or Hopper.
  • Experience with cross-compilation and multi-architecture code.
  • Experience writing/debugging network based applications.
  • Experience writing/debugging multi-process/multi-threaded applications.
  • Experience integrating encryption into applications.
  • Experience with DBI frameworks a plus (DynamoRIO, Pin).

Preferred Qualifications:

  • Bachelor's degree in Information Security, Computer Science, or other engineering field, or equivalent, and 0 - 2 years of professional software engineering experience.
  • Experience writing C/C++.
  • Experience debugging applications.
  • Experience with one or more scripting languages such as Python or Ruby.
  • Familiarity with assembly for one or more architectures (x86/x64, ARM, MIPS).

Security Clearance Requirement:

  • Must be a US Citizen, and ability to obtain/maintain a security clearance is required. Active/current Secret or higher clearances are highly preferable.

Physical Requirements:

  • Must be able to remain in a stationary position 50%.
  • Frequently moves Audio/Visual or Computer equipment weighing up to 50 pounds across and/or around a business campus or large facility. 
  • Constantly positions self to maintain computers in the lab, including under the desks and in the server closet.
  • The person in this position frequently communicates with co-workers, management and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations.

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.