Sr. Applications Developer (Big Data/Hadoop) - Military veterans preferred

ManTech (


  full-time   employee

District of Columbia
United States

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 1709 New York Avenue, NW, Washington, DC 20006 to join our team in the Washington DC location.

Period of performance: 2020-2021

Responsibilities include, but are not limited to:

  • 10+ years of experience designing and implementing large scalable distributed systems.
  • 3+ years of strong hands-on experience in developing applications in Hadoop ecosystem using industry standard Hadoop tools such as Java, Spark, Impala, Hive, HBase, Sqoop, and Oozie.
  • Experience with Big Data Exploration, Profiling, Quality and Transformation techniques.
  • Experience building scalable and reliable data pipelines to ingest and process data at-scale and in batch and real-time modes.
  • Experience working with complex data formats including structured, unstructured and semi-structured data.
  • Proficient in Java, Scala, Python or similar languages.
  • Strong experience with at Hadoop databases including Hive, Impala and Relational Databases including SQL Server.
  • DevOps, CI/CD, continuous Integration, and development automation.
  • Experience with agile development environments and Scrum methodology.
  • Design, code, test, debug, and document software solutions using appropriate processes, tools, frameworks, libraries, patterns, best practices and standards.
  • Ability to plan, schedule and deliver quality software.
  • BS / MS in Computer Science or similar program.
  • Excellent interpersonal, written/verbal communication and organization skills.

Preferred Qualifications:

  • Cloudera Certified Data Engineer (++).
  • Familiarity with NiFi or Cloudera Data Flow (CDF).
  • Experience with Hadoop components including Kudu, Solr, Kafka, Flume, ZooKeeper.
  • Ability to troubleshoot and debug Hive/Impala query and perform query optimization.


Security Clearance Requirements:

  • Public Trust

Physical Requirements:

  • None

**U.S. Citizenship Required**

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.

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