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Science Systems and Applications, Inc.

<div><div><p>Science Systems and Applications, Inc. (SSAI) is seeking an experienced Radio Frequency Interference (RFI) Subject Matter Expert (SME) to lead and support RFI-focused remote sensing science and engineering work in collaboration with government and research partners (e.g., NASA centers and NOAA programs). The selected candidate will provide day-to-day technical leadership across RFI requirements, algorithm development, simulation/assessment, and mission/instrument support to ensure high-quality delivery and actionable stakeholder outcomes.</p><p>
This is an onsite position. The candidate must live within commuting distance to NASA Goddard Space Flight Center in Greenbelt, MD.</p><div><b>
Roles and Responsibilities:</b></div><ul><li>
Develop and apply end-to-end RFI simulation/assessment tools to quantify performance impacts across current and future microwave radiometers/sounders.</li><li>
Lead RFI detection requirements development, documentation, and validation for next-gen microwave remote sensing instruments.</li><li>
Assess 5G and other emerging-emitter impacts on microwave observations and recommend mitigation strategies.</li><li>
Develop and validate RFI detection/characterization algorithms (cyclic-feature methods and ML/data-driven approaches) using real-world measured datasets.</li><li>
Monitor RFI environment and trends, identify anomalous patterns (seasonal/geopolitical/human-driven), and generate operational products (e.g., automated weekly RFI tables).</li><li>
Provide mission/instrument support and technical leadership for RFI investigations, including detector performance evaluation, threshold tuning, detector-combination assessment, stakeholder reporting, and mentoring.</li></ul><div><b>
Required Qualifications:</b></div><ul><li>
 Ph.D. in Physics (remote sensing emphasis) or a closely related field (e.g., Remote Sensing, Earth Science, Atmospheric Science, Oceanography, Geoscience, Electrical Engineering, Applied Physics, Computer Science).</li><li>
Minimum of 8 years of experience in microwave remote sensing and signal/data processing with substantial focus on RFI detection, analysis, and mitigation for satellite microwave radiometry and/or sounding applications.</li><li>
Demonstrated technical leadership in developing RFI requirements, algorithms, and end-to-end analysis tools to assess and mitigate RFI impacts (including emerging signal types such as 5G).</li><li>
Demonstrated experience supporting government/research missions and instrument teams, including collaboration with multi-agency partners (e.g., NASA and NOAA) and participation in mission/instrument science and cal/val activities.</li><li>
Strong verbal and written communication skills, including experience producing technical documentation and presenting results to stakeholders.</li><li>
US Citizenship or Permanent Residence</li></ul><div><b>
Desired Qualifications:</b></div></div><div><ul><li>
Experience as a mission science team member and/or contributor to missions/programs such as NASA SMAP, CYGNSS, NISAR and NOAA JPSS/ATMS and NOAA NEON.</li><li>
Experience developing automated monitoring products and operational reporting workflows for RFI environment awareness and stakeholder action.</li><li>
Experience with Machine Learning approaches applied to RFI characterization and residual RFI detection.</li><li>
Professional service in the RFI community (e.g., organizing committee leadership for RFI conferences; session chair roles) and peer-review experience (e.g., IEEE TGRS/GRSL).</li><li>
Ability to work onsite as needed (preferred), based on project/customer requirements.</li></ul></div><p></p><p><b><i><br>
EEO/AA Veterans and Individuals with Disabilities</i></b></p><p><b><i>
Physical Requirements</i></b><i>: While performing the duties of this job, the employee is occasionally required to stand; have mobility; sit; use hands to finger, handle, or feel; reach with hands and arms; stoop, kneel, crouch, or crawl and talk or hear. The employee may occasionally lift and/or move up to 10 pounds.</i></p></div>

RFI Subject Matter Expert

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Science Systems and Applications, Inc.

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RFI Subject Matter Expert