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E-Space · 2 months ago

Staff Communication System Test Engineer

Saratoga, CA

Full-time

Onsite

Senior Level, Lead/Staff

7+ years exp

E-Space is bridging Earth and space to enable hyper-scaled deployments of Internet of Things (IoT) solutions and services. The Staff Communication System Test Engineer will be responsible for defining and executing test methodologies, performing manual and automated testing, and collaborating with multi-disciplinary teams to ensure system requirements are met.

Information ServicesSatellite Communication

Growth Opportunities

No H1B

Responsibilities

Understand system requirements and architecture in depth

Define, develop, and execute advanced test methodologies for validating end-to-end system level functionality and performance (lab & field) across the mobile protocol stack (PHY, MAC/RLC/PDCP, RRC, NAS, Data, TCP-IP/UDP)

Execute manual and automated testing of wireless systems, including functional and performance testing

Ensure timely execution, test accuracy and repeatability

Document test results, test coverage and other KPIs and communicate to all stakeholders regularly

Deep-dive into test results and root-cause issues and communicate with the appropriate teams

Responsibilities will also include defining Key performance Indicators and conducting modem performance evaluation

Design lab setups for various types of tests, including conducted clean channel and fading channel test and field tests

Build racks and other test-rigs as necessary for executing the test plan

Automate the test execution including control and configuration of test equipment

Collaborate with multi-disciplinary teams – hardware, software, mechanical, systems, etc. – in different time-zones to ensure that system requirements will be met during operation

Qualification

Cellular communication testingWireless communication systems3GPP specificationsTest automationDigital signal processingTest equipment proficiencyModelingSimulation toolsAnalytical skillsProblem-solvingCommunication skillsTeam player

Required

Master's degree in electrical engineering, wireless Communication Engineering, Telecommunications, or a related field

7+ years of hands-on experience in testing cellular and other communication systems in the industry with a successful product launch history

Strong background in communication theory, digital signal processing, and wireless communication systems, especially in the context of satellite systems

Solid understanding of 3GPP specifications (LTE & NR Air Interface, PHY, MAC, RLC, RRC, PDCP and NAS layer) for 5GNR and 4G

Knowledge of RF transceiver measurement techniques such as noise figure, gain/power, ACLR, Linearity, phase noise, etc

Excellent problem-solving with a from-first-principles approach

Proficiency in using test equipment (e.g., power supplies, oscilloscope, spectrum analyzer, signal generator, power meters, vector network analyzer)

Exposure to modeling and simulation tools such as MATLAB, Simulink, or equivalent

Proficiency in test automation using Python or similar programming language

Experience using JIRA and other CRM tools

Flexible, responsive, and collaborative with an ability to work at a fast-paced startup environment

Strong analytical and communication skills

Team player