Senior Software Developer - Military veterans preferred

ManTech (


  full-time   employee

United States

Secure our Nation, Ignite your Future

At ManTech International Corporation, you will help protect our national security while working on innovative projects that offer opportunities for advancement.

ManTech is looking for a self-motivated Senior Software Developer. As a Senior Software Developer, you will perform as a technical expert in the design, development, coding, testing, and debugging of new software or complex enhancements to existing software. The ideal candidate will work with other technical staff to understand and develop solutions for software problems, perform code reviews, and respond to suggestions for software modifications or enhancements. The candidate should also have the capacity to train less experienced software development staff and take the lead on complex projects. This project allows flexible work schedules if required.

Position Requirements

  • At least 5-7 yrs. of software development experience with a bachelor’s degree or equivalent experience.

  • Experience with C#, .NET/.NET Core

  • Experience developing web applications

  • Experience with relational database systems and SQL

  • Outstanding collaboration and communication skills

Position Responsibilities

  • Design/Develop/Test new software solutions that meets and exceeds customer expectations

  • Migrating existing applications to modern/cloud technologies

  • Assisting the team with the application helpdesk

  • Follow DOD security requirements

  • Web application development using Visual Studio, C#, .NET, and .NET Core

  • Gathering requirements from customer and translating those requirements into technical implementations.

  • Working in a virtual test environment and assisting with the maintenance of the virtual environment.

  • Assisting with configuration management in Microsoft IIS and SQL Server

  • Assisting with the continued operation and maintenance for existing applications

  • Develop and execute unit and integrated test procedures

Preferred Skills

  • Experience developing web-applications in .NET Core

  • Experience developing applications for the cloud

  • Experience developing secure software systems based upon industry specifications

  • Experience writing software requirements, design, and test documentation

  • Familiarity with Object Relational Mapping (ORM)

DoD 8570 certification (IAT Level II, IAM level II or IASAE Level II) Certification Security + or DoD 8570 equivalent 

Must be able to lift up to 20 lbs.

Must be open to 10% annual travel

Security Clearance Level: Secret with ability to obtain Top Secret

Qualifications: Requires Bachelor’s degree (in Computer Science or related Information Technology Field, and five to seven years of related experience.

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.