Senior Multi-GNSS Data Analyst for Precision Positioning

Science Systems and Applications, Inc.; Greenbelt, Northern (MD, KY); Hybrid; USD 100,000 - 130,000; Full time

Job summary

Science Systems and Applications, Inc (SSAI) in Greenbelt, MD is seeking an experienced Multi-GNSS Data Analyst to process, analyze, and validate GNSS data for precision positioning, navigation, and timing applications. The role requires deep expertise in GNSS measurement processing, error modeling, and geospatial data analysis, delivering centimeter-level positioning.

Responsibilities include GNSS data processing (PPP, PPK, differential), quality assessment, data integration with IMU/INS, and

Qualifications

• Bachelor’s degree in a relevant field and at least 5 years of GNSS data processing experience.
• Strong understanding of GNSS measurement models and error sources.
• Proficiency in GNSS processing software such as GIPSY-OASIS, BERNESE, or GEODYN.

Responsibilities

• Process and validate Multi-GNSS data for precise positioning solutions.
• Develop and implement data processing workflows using Python, MATLAB, and C++.
• Collaborate with scientists and engineers to deliver high-accuracy PNT results.

Skills

GNSS data processing

Python

MATLAB

C++

Data analysis

Strong analytical skills

Education

Bachelor’s degree in Aerospace Engineering

Master’s or Ph.D. in Geodesy/Geomatics

Tools

GIPSY-OASIS

BERNESE

GEODYN

Job description

Science Systems and Applications, Inc (SSAI) in Greenbelt, MD is seeking an experienced Multi-GNSS Data Analyst to process, analyze, and validate GNSS data for precision positioning, navigation, and timing applications. The role requires deep expertise in GNSS measurement processing, error modeling, and geospatial data analysis, delivering centimeter-level positioning.

Responsibilities include GNSS data processing (PPP, PPK, differential), quality assessment, data integration with IMU/INS, and