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LTE Test and Deployment Engineer
Ref No.: 18-03048
Location: Menlo Park, California
Position Type:Contract
Start Date / End Date: 06/26/2018 to 06/25/2019
Job Title: LTE Test and Deployment Engineer
Job Location: Menlo Park, CA
Job Duration: 12 months

Job Description:

Testing and configuration of OpenCellular systems (2G GSM, 4G LTE) in a lab and pre-field trial environment
Integration with multiple EPC core providers and various backhaul technologies (microwave, satellite)
Install, maintain and operate various test tools & equipment (hardware and software) used during lab trial, site surveys and field trials
Execution of operator-level test plan ensuring requirements are met, test case automation, documentation of test procedures, reporting and analysis of issues and fix verification
Create various documentation for system integrators, engineering and network operators (eg., training, installation, troubleshooting)
Engage with various internal teams and external teams such as OEMs and Operators during lab trials and field trials

Qualifications:
Working knowledge of 3GPP specifications, specifically 2G GSM & 4G LTE
Strong knowledge of mobile operator's end-to-end network architecture (RAN, EPC)
Experience configuring, testing and integrating UE, eNB, SGW, MME, PGW, EPC, CSFB
Strong knowledge of 2G and 4G key performance indicators (RF, Backhaul, Core metrics)
Strong knowledge in linux/networking configuration (DHCP, DNS, IP addr, VLAN, virtual interfaces, MTU)
Experience with test plan execution, troubleshooting and documenting issues, setting up test beds, configuring test equipment, RF chambers and troubleshooting end-to-end 2G/4G systems
Experience with cellisite configuration, LTE call flow procedures, RRC connection setup, attach/detach procedures, S1 link establishment, CQI/RI, radio link failures, alarms, firmware upgrade
Experience with traffic generators (TM500, UE100, CapacityAdvisor, UDP/TCP iperf, speedtest), UE load testing, spectrum analyzers (HackRF, Gqrx SDR), protocol analyzers (wireshark, Network Guru, QualiPOC)
Strong experience in automating test cases, API integration, python scripting
Troubleshooting and replication of issues seen in lab trials and field trials. Collect and analyze network and device logs and work with vendors and operators to close on issues."

Education:
Bachelors' degree in Engineering or related field.