JPL job opportunity: SAR/InSAR algorithm developer

Fielding, Eric J (US 329A) eric.j.fielding at
Wed Jul 7 19:02:52 UTC 2021


Below is a job requisition to join the JPL radar section to work on NISAR and OPERA SAR/InSAR algorithm development. You may find the online version as well as the link to apply at:

Please pass along to people you think might be interested or could spread the word.

Although the job requisition language is tailored for early-career candidates, experienced SAR/InSAR people should apply or send a resume to Sean Buckley at buckley at<mailto:buckley at>.


Sean Buckley
Supervisor, JPL SAR Algorithm and Processing Group



We invite you to join the Radar Science and Engineering Section to serve as a Synthetic Aperture Radar Algorithm Developer for the NASA-ISRO SAR (NISAR) and the Observational Products for End-Users from Remote Sensing Analysis (OPERA) projects. You will report administratively to the Group Supervisor of the SAR Algorithms and Processing Group and programmatically to the leads of the NISAR and OPERA Algorithm Development Teams (ADTs).

NISAR is a groundbreaking radar interferometry (InSAR) mission for studying hazards and global environmental change. It will use advanced radar imaging to observe complex Earth processes, including ecosystem disturbances, ice sheet motion, earthquakes, volcanoes and landslides. NISAR data will reveal information about the evolution and state of the Earth crust, help scientists understand Earth processes and changing climate, and aid future resource and hazard management. The mission is a partnership between NASA and the Indian Space Research Organization.

The NISAR ADT is responsible for developing SAR and InSAR algorithms and writing software to produce an unprecedented volume of polarimetric and interferometric SAR data (e.g., polarimetric covariance and unwrapped interferogram products).

The OPERA project is focused on implementing and producing derived SAR and optical products in support of the Federal-Civil Satellite Needs Assessment from the Satellite Needs Working Group (SNWG) coordinated through NASA. The OPERA first phase is focused on three products: a North America Displacement product from InSAR data; a near-global Surface Water Extent product from SAR and optical data; and a near-global Disturbance product from optical data.

The OPERA ADT is responsible for developing advanced algorithms to produce higher-level derived products and time series from Sentinel-1, NISAR, SWOT, Landsat-8 and Sentinel-2 data.

Some Challenges You Will Tackle

·        Design, implement, test, and validate algorithms and ground processing software that will produce NISAR and OPERA data products distributed to science users and the public.

·        NISAR algorithms may include SAR image formation and RFI mitigation; polarimetric SAR and InSAR signal processing; phase unwrapping; SAR/InSAR calibration, validation, and quality assurance tools; and atmospheric and ionospheric corrections

·        OPERA algorithms may include SAR stack processing; phase unwrapping; persistent and distributed scatterer InSAR time series analysis; Big Data-friendly algorithms; and radar & optical processing for identifying surface water extent and surface disturbance

·        Adapt and process simulated and actual SAR data for algorithm testing and validation

·        Use and contribute to the open source InSAR Scientific Computing Environment Enhanced Edition (ISCE3)

·        Work collaboratively with other engineers to develop, test, and deliver complex algorithms and software systems

·        Understand and apply principles, theories, concepts, and techniques in radar processing and software development

·        Communicate results to other project elements and the scientific community

You Must Have

·        Bachelor’s degree in Electrical Engineering, Geophysics, Computer Science, or closely related technical discipline with a minimum of 3 years of related experience; Master’s degree in similar disciplines with a minimum of 1 year of related experience; or PhD with 0 years of experience in similar disciplines

·        SAR data processing experience

·        Strong C++ or Python programming skills

Preferred Qualifications

·        Demonstrated experience in one or more of the following areas:

o   InSAR algorithm development and processing (e.g., development of new approaches for InSAR processing steps or media corrections)

o   Advanced InSAR time series algorithm development and processing (e.g., development of persistent scatterer, distributed scatterer or small-baseline InSAR time series techniques)

o   SAR algorithm development and processing (e.g., development of back-projection or range-Doppler processors)

o   SAR calibration or quality assessment tool development and processing

·        Strong communication skills, especially writing

·        Ability to work well in a team environment

·        Additional remote sensing data processing and GIS software knowledge

Work Authorization
Ability to Obtain Work Authorization


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