Senior Software Developer - 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

Join the top Information Technology and Analytic professionals in the industry to make invaluable contributions to our national security on a daily basis. In this innovative, self-contained, Big Data environment, the ManTech team is responsible for everything from infrastructure, to application development, to data science, to advanced analytics and beyond. The team is diverse, the questions are thought-provoking, and the opportunities for growth and advancement are numerous. Leverage your development skills and experience to support the successful ingestion, cleansing, transformation, loading, and display of significant amounts of data.

Currently, ManTech is seeking a motivated, career and customer-oriented Senior Software Developer to join our team in Chantilly, VA.


  • Designing and implementing large-scale ingest systems in a Big Data environment

  • Optimizing all stages of the data life cycle, from initial planning, to ingest, through final display and beyond

  • Designing and implementing data extraction, cleansing, transformation, loading, and replication/distribution

  • Developing custom solutions/code to ingest and exploit new and existing data sources

  • Working with Sponsor development teams to improve application performance

  • Organizing and maintaining documentation so others are able to understand and use it

  • Collaborating with teammates, other service providers, vendors, and users to develop new and more efficient methods

Minimum Requirements:

  • Bachelor’s Degree in Computer Science, Information Systems, Engineering, or other related discipline, or 4+ years of related software development experience may be substituted for education

  • 9 years or more relevant experience

  • Significant experience with Hadoop, Hbase, MapReduce

  • At least 5 years of data analysis and parsing experience

  • At least 5 years of Java development experience coupled with significant SQL/database experience

  • Strong experience with the full data lifecycle, from ingest through display, in a Big Data environment

  • Strong experience with Java-related technologies, such as JDK, J2EE, EJB,

  • Experience developing and performing ETL tasks in a Linux environment

  • JDBC, and/or Spring, and experience with RESTful APIs

Security Clearance Requirements:

  • Current/active TS/SCI with Polygraph

Desired Qualifications:

  • Experience with Elasticsearch

  • Experience Pig and Pig scripting

  • Experience with Kafka and Zookeeper

Physical Requirements:

  • Must be able to remain in a stationary position 50%.

  • 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.

  • Working With Data.

  • Move about freely in a laboratory setting.

  • 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.