GNSS Validation

4 weeks ago

Bengaluru, India L&T Semiconductor Technologies Full time

Job Title: GNSS Validation & Automation Engineer (GNSS & A-GNSS)

Location: Bengaluru

Job Type: Full-time

Experience Level: 4-8 Years

Job Summary:

We are seeking a skilled and motivated GNSS Validation & Automation Engineer to join our team responsible for the validation and testing of GNSS and Assisted GNSS (A-GNSS) systems. The ideal candidate will be proficient in writing test plans, creating automated test scripts, executing field/lab tests, analyzing performance data, and delivering high-quality test reports. You will validate a range of GNSS/A-GNSS functionalities that impact real-world navigation accuracy, robustness, and user experience.

Key Responsibilities:

- Design, develop, and maintain test plans and test cases for validating GNSS and A-GNSS functionalities based on product specifications and industry standards.
- Perform functional validation of:
- Time to First Fix (TTFF): Cold, warm, and hot start performance.
- Signal acquisition and tracking across GNSS constellations (GPS, GLONASS, Galileo, BeiDou, QZSS, IRNSS).
- Positioning accuracy (horizontal and vertical) in varying environmental and motion conditions.
- Multi-constellation and multi-frequency support, including L1, L5, and dual-band operations.
- A-GNSS support, including SUPL-based, Control Plane (CP), and User Plane (UP) assisted positioning.
- Sensitivity and weak signal testing in urban canyon, indoor, and obstructed environments.
- Power consumption during different GNSS modes.
- Develop and maintain test automation frameworks using Python, Bash, or other scripting languages.
- Set up, configure, and operate GNSS test environments, including signal simulators, record/playback systems, and OTA test setups.
- Conduct drive tests and field tests in real-world environments (urban, rural, indoor, multipath).
- Collect and analyze GNSS logs .
- Collaborate with system architects, firmware, and hardware engineers to troubleshoot and isolate issues.
- Document and communicate results through detailed test reports, dashboards, and defect reports.
- Continuously improve validation coverage, test automation, and overall test efficiency.

Required Qualifications:

- Bachelor’s or Master’s degree in Electronics, Telecommunications, Computer Engineering, or related discipline.
- 3+ years of experience in GNSS and/or A-GNSS validation, system testing, or automation.
- Solid understanding of GNSS systems and signals, including GPS, GLONASS, Galileo, BeiDou.
- Experience using GNSS signal simulators (e.g., Spirent, R&S, Spectracom) and/or real-world test tools.
- Proficiency in Python, Bash, or similar languages for test automation.
- Understanding of A-GNSS protocols (e.g., SUPL, LPP, RRC) and telecom standards (LTE/5G).
- Availability to join immediately or within 30 days.

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