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Job #: R-00000309
Location: Houston, TX
Category: Research Scientist
Schedule (FT/PT): Full time
Travel Required: Yes, 10% of the time
Shift: Day
Potential for Telework: No
Clearance Required: NACI
Referral Eligibility: Yes
Group: Civil

Job Description:

No two career paths will ever look the same. At Leidos, we know the most talented and diverse IT and engineering professionals will always have a multitude of career choices; your time at Leidos will be a wise investment in your career and in yourself.

Our Civil business is helping to modernize and manage infrastructure, systems and controls, and cybersecurity for civilian agencies and commercial clients around the globe. With core competencies in information technology, energy and environment, complex logistics, and specialized engineering, we solve technical challenges and implement newfound efficiencies on a number of programs!

Protect yourself and your family, with the benefits of working for a world-class employer. When you join Leidos, you join a Fortune 500 company and one of Ethisphere Institute's "World's Most Ethical Companies" Leidos...We strive to make the complex clear

Leidos has an opening for a Research Scientist supporting NASA's Johnson Space Center. The Space Radiation Analysis Group is seeking subject matter expertise in radiation measurements and instrumentation including hybrid pixel detector technologies as developed through collaborations with CERN and academia, solid-state detectors, gas filled detectors and scintillation detectors. The successful applicant will produce analytical products based on data collected from existing and future instrument measurements. Additionally, the applicant will use these analysis products to characterize several aspects of the charged particle environment in space. Duties will include the development, maintenance, and improvement of codes and models used to characterize the space radiation environment and human exposure in that environment. Both static and transient environmental models are used to describe types and energies of radiation found in space. Extensive experience in calibration and instrument performance verification and validation is essential. Subsequent analyses to fully understand and optimize performance measurements is required. A comprehensive understanding of particle ID and binning algorithms developed in concert with hardware and software developers will be necessary. Ability to work well in a team environment with other scientists, engineers, software developers, and operations personnel on high profile milestone driven projects is critical. Travel is required to support data collection at various beam facilities.

Primary Responsibilities:
  • The successful candidate will be experienced in pixel radiation detection instrumentation and state of the art technologies for future radiation detection hardware developments
  • Charged Partical and Neutron Spectroscopy
  • Sofware and hardware integration
  • Silcone detector simulations
  • Beam testing and data analyses
  • Energy identification

Basic Qualifications
  • This position requires a Bachelor's Degree plus 6 years of experience; or Master's Degree plus 4 years of experience; or Ph.D. plus 0 to 2 years of experience (preferred) in either, physics, Nuclear engineering, or a closely related field with experience in radiation measurements.

Preferred Qualifications:
  • Preference given to applicants with advanced graduate degree in physics/nuclear sciences; PhD
  • Intimate knowledge of radiation measurements in space is highly desired.
  • Strong programming and MonteCarlo simulation skills
  • Sound fundamentals and experience in Hybrid Pixel radiation detector technology.

This position requires successful completion of a government background check to access government facilities and systems. Work cannot begin on the contract without a fully adjudicated security clearance. If you are not a United States Citizen this check could take 12-18 months to complete.

External Referral Bonus:

Potential for Telework:

Clearance Level Required:

Yes, 10% of the time

Scheduled Weekly Hours:


Requisition Category:

Job Family:
Research Scientist


Leidos is a Fortune 500® information technology, engineering, and science solutions and services leader working to solve the world’s toughest challenges in the defense, intelligence, homeland security, civil, and health markets. The company’s 31,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Virginia, Leidos reported annual revenues of approximately $10.17 billion for the fiscal year ended December 29, 2017. (NYSE: LDOS) All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status.

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