CNO Developer/Reverse Engineer, CHANTILLY, VA


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Full time

Posted Today


Secure our Nation, Ignite your Future

Can you protect and defend the most coveted targets in the world to ensure the safety of information systems assets and protect systems from intentional or inadvertent access or destruction? Join ManTech and help protect our national security while working on innovative projects that offer opportunities for advancement.

ManTech provides mission-focused technology solutions and services for U.S. defense, intelligence and federal civilian agencies. In business for more than 53 years, we excel in full-spectrum cyber, data collection & analytics, enterprise IT, systems engineering and software application development solutions that support national and homeland security.

Currently, ManTech is seeking a CNO Developer/Reverse Engineer to join our team in Chantilly, Virginia. As a CNO Developer/Reverse Engineer on our team you will forensically analyze malicious code; tearing apart binaries with a willingness to frequently learn something new. You will work on projects that are truly unique and interesting.These projects are important and impactful to our national security. 

Responsibilities include, but are not limited to:

Develops hardware or software based CNO capabilities

Supports operations planning, scenario testing, and execution

Performs applied research and development to analyze, design, and identify desired programmatic behaviors

Evaluates and analyzes complex malicious code through the use of tools, including disassemblers, debuggers, hex editors, un-packers, virtual machines, and network sniffers

Develops and executes plans for new technologies to enhance security capabilities including, perimeter security protections, firewalls, proxies, load balancers, monitoring tools, and data analytics and analysis

Verifies the quality of CNO capabilities. 


Basic Qualifications:

Four or more years of CNO development experience

Knowledge of at least one major operating system, including Windows or Linux

Knowledge of core computer architecture fundamentals such as boot process, kernel architecture and user space processes.

Knowledge of languages such as Python for small proof-of-concepts.

Knowledge of static and dynamic analysis tools such X-Ways, FTK Imager, WinHex, Windbg, x64dbg

Knowledge of at least one disassemblers such as IDA, Ghidra and Binary Ninja

Ability to proficiently read at least one of the following architectures: X86/64, ARM/ARM32 or MIPS

Ability to write detailed reports and communicate concepts and ideas.

Preferred Qualifications:

Bachelor’s degree in Computer Science

Security Clearance Requirements:

Active/Current TS/SCI with Polygraph

Physical Requirements:

Remain in a stationary position 50% of the time.

Operate a computer and other office productivity machinery, such as a calculator, copy machine and computer printer.

Occasionally move about inside the office to access file cabinets, office machinery, etc.


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 contact and provide your name and contact information.

ManTech / Equal Opportunity Employer

JBMAN-R39321 2023.07.16

Click Here – Get More Info

Top Secret with Polygraph Required, CLZTS, CLZCI, — SKUUU, VA_CHANTILLY VA_VIRGINIA  ZC20152 ZC201Z

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