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E-Space · 5 months ago

Staff Communication System Test Engineer

Saratoga, CA

Full-time

Onsite

Senior Level

7+ years exp

E-Space is a company focused on making space connectivity universally accessible through innovative IoT solutions. They are seeking a Staff Communication System Test Engineer to develop and execute advanced test methodologies, ensuring the functionality and performance of their LEO space systems. The role involves collaboration with multi-disciplinary teams and requires a deep understanding of communication systems and testing processes.

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

Wireless Communication SystemsTest AutomationCommunication Theory3GPP SpecificationsDigital Signal ProcessingTest Equipment ProficiencyModelingSimulation ToolsAnalytical SkillsProblem-SolvingTeam PlayerCommunication Skills

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