Modem Test Engineer-Lab

BTI Solutions•San Diego, CA

3d•$24 - $100

About The Position

General Position Purpose: The role of this position encompasses a wide scope of activities and initiatives that will bring solutions to complex applications problems, system administration issues or network concerns. Network Engineers will work with mobile devices testing the latest features in the technology and /or telecommunication available on the market. The testing scope includes connectivity test, field test, and others as required. The position requires the Network Engineer to perform systems management and integration functions involving engineering work on cellular devices and systems. Experience working with Network infrastructure on 4G and 5G mobile communications and connectivity solutions is beneficial. Essential Functions : Verify stability and portability of networks and software Communicate project information through technical reports Perform ongoing hardware and software maintenance operations, including installing or upgrading hardware or software Provide technical guidance or support for the development or troubleshooting of systems Work on lab testing on 3GPP standards based on cellular systems such as GSM, EDGE, WCDMA, HSPA, LTE, and 5 G. The testing conducts various types of mobility and stationary RF test cases in the lab of 5G, NTN, LTE, WCDMA, UMTS, and GSM Knowledge of various types of RF tests and vendor equipment such as Spirent, R&S, Anite, Keysight, and Anritsu. Research, test, monitor or verify proper functioning of software patches Analyze and determine issues; check the similar/same issue history, design test plan (location, models, basic parameters, considerations, etc.), lab test and/or lab test, set test environment and parameters regarding network circumstance Capture all the requested and required logs and analyzing them; determine what the log shows, confirm whether the issue is cleared or remained, professional reports, and communicate with R&D or/and QA team Perform testing and engineering services in both stationery and mobility conditions as in needed May require to support carrier Field testing by project needs and other duties as assigned May require weekend/holiday work depending on project Must be flexible and able to work extended hours as needed to support testing and client needs. Travel up to 30%

Requirements

Bachelor’s Degree Preferred in Electronics, Software Engineering Communication, Computer Network Engineering, Computer Science, Electrical Engineering or Telecommunications
General understanding for telecommunication knowledge and Android platform device
Analytical, Scientific, Data Mining and Database management software Access software, cloud-based management software, communications server software
Strong knowledge of 5G, LTE, HSPA+/WCDMA including PHY/MAC, signaling, call processing concepts and upper layers.
Good understanding on GSM, GPRS, EDGE, WCDMA, CDMA, HSPA, LTE, 5G, Wi-Fi, Bluetooth, GPS, mobile phone software architecture and telecommunication network configuration
Experience in analyzing logs, troubleshooting issues from lab for UMTS/GSM CS, PS calls, LTE and 5G Data calls, metric test is plus.
Experience with specific logging/analysis tools such as Shannon DM, QXDM, QPST, XCAL, XCAP
Experience in tracing and debugging using tools to fully analyze protocol stack related issues in appropriate 3GPP specifications.
Experience with Transport Layer protocols such as TCP, UDP, and analysis tools such as Wireshark
Exposure to any Third Party Protocol, Modem or RF Test Equipment (Anritsu, R&S, Spirent, Anite,Keysight) in WCDMA, LTE and 5G technologies
Some programming skills in Python, Java and Perl script is desired
Proficient with MS Office (Outlook, Excel, Word, Power Point) is essential for creating the test reports
Knowledge of Wireless Technology – LTE, GSM, CDMA
Understanding of TCP/UDP, IP Packet, OSI Protocol Model
Solid understanding of SW testing techniques and methodologies
Internet browser and Internet protocol IP multimedia subsystem software
Transaction security and virus protection software; Network monitoring software
Must be flexible and able to work extended hours as needed to support testing and client needs.
Travel up to 30%

Responsibilities

Verify stability and portability of networks and software
Communicate project information through technical reports
Perform ongoing hardware and software maintenance operations, including installing or upgrading hardware or software
Provide technical guidance or support for the development or troubleshooting of systems
Work on lab testing on 3GPP standards based on cellular systems such as GSM, EDGE, WCDMA, HSPA, LTE, and 5 G.
The testing conducts various types of mobility and stationary RF test cases in the lab of 5G, NTN, LTE, WCDMA, UMTS, and GSM
Knowledge of various types of RF tests and vendor equipment such as Spirent, R&S, Anite, Keysight, and Anritsu.
Research, test, monitor or verify proper functioning of software patches
Analyze and determine issues; check the similar/same issue history, design test plan (location, models, basic parameters, considerations, etc.), lab test and/or lab test, set test environment and parameters regarding network circumstance
Capture all the requested and required logs and analyzing them; determine what the log shows, confirm whether the issue is cleared or remained, professional reports, and communicate with R&D or/and QA team
Perform testing and engineering services in both stationery and mobility conditions as in needed
May require to support carrier Field testing by project needs and other duties as assigned