CNO Software Engineer, Senior - UI - 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 Software Engineer to join our team in the Hanover, Maryland location.    Provides specialized testing and evaluation capabilities tailored to system functions.

Responsibilities include, but are not limited to:

  • Experience with Angular 10 or higher

  • Experience with JavaScript/TypeScript

  • Experience with NodeJS

  • Experience with SQL and NoSQL databases

  • Experience with Graphic Design

  • Experience with CSS/Web Styling.

  • Performing system and subsystem definition, preliminary and detailed design, design implementation, and subsystem and system integration and tests for a system.

  • Researching requirements for a product, including target environment, performance criteria, and competitive issues.

  • Designing ideas for new capabilities or recommendations for improvements to existing capabilities.

  • Demonstrated knowledge of multiple software development methodologies (e.g. Scrum, TDD).

  • Determining computer user needs; analyzes system capabilities to resolve problems on program intent, output requirements, input data acquisition, programming.

  • Ensuring software standards are met.

  • Modifying existing software to correct errors, to adapt to new requirements, or to improve performance.

  • Debugging and troubleshooting software

  • Performing quality control on team products.

  • Coordinating and performing software deployments for developed products.

Basic Qualifications:

  • Bachelor’s Degree in Computer Science or related field from an accredited college or University

  • 7 years of programming experience required (with a Bachelor’s degree) or, in lieu of a degree, 11 years of programming experience

Preferred Qualifications:

  • Experience with Java 8 or higher

  • Knowledge of XML or XSLT

  • Knowledge of agile software development methodology

  • Experience with build environments such as Gradle or Maven

  • Experience with Object Oriented Analysis and Design

  • Familiarity with Software Version Control

  • Subversion/GIT experience

  • Atlassian Tools (Confluence, Jira, Bamboo, Crucible)

Security Clearance Requirements:

  • Active and current TS/SCI with Polygraph

Physical Requirements: 

  • Must be able to remain in a stationary position 50% of the time

  • Constantly operates a computer and other office productivity machinery, such as a calculator, copy machine and computer printer.

  • The person in this position frequently communicates with co-workers, management and customers, which may involve delivering presentations

  • Repetitive Motions

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.