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ManTech CNO Software Engineer, Senior Principal in Hanover, Maryland

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 Senior Principal Software Engineer to join our team in Hanover, MD.

Responsibilities include, but are not limited to:

  • Demonstrating expert knowledge of Java 8 or higher

  • 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.

  • Providing technical guidance to lower level software engineers.

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

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

  • Communicating status with leadership and customers.

  • Contributing to the completion of milestones associated with specific projects.

  • Providing solutions to a variety of complex technical problems.

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

  • Ensuring software standards are met.

  • Leading the design, development, documenting, testing and debugging of applications software and systems.

Basic Qualifications:

  • Bachelor’s Degree (in Computer Science or related field) or equivalent, or 10 years of related experience in lieu of degree

  • 8 years of programming required

  • Experience with build environments such as Gradle or Maven

  • Developing Software to suit customer requirements

  • Debugging and troubleshooting software

  • Software design and architecture

  • Experience with Object Oriented Analysis and Design

  • Familiarity with Software Version Control

  • Knowledge of SQL, preferably Oracle

  • Knowledge of agile software development methodology

  • Knowledge of XML or XSLT

Preferred Qualifications:

  • Spring Cloud

  • Spring Boot

  • Kafka

  • Subversion/GIT experience

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

  • Experience using VMWare, preferably ESX

  • Experience with Linux and Windows operating system

  • Experience with bash and/or Powershell scripting

Security Clearance Requirements:

  • Active and current TS/SCI with Polygraph

Physical Requirements:

  • Sedentary work that primarily involves sitting/standing/walking/talking and must be able to remain in a stationary position 50%.

  • Moving about to accomplish tasks or moving from one work site to another (at customer site).

  • 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.

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.