Radio Access Network (RAN) Testing/ LTE Testing

Radio Access Network (RAN), TM500, LTE, RealUV, QCI, Software, Reporting, Test plans, Configuration, Wireshark, Network design, Test methods, Troubleshooting, Hardware, System integration testing, Regression testing, Networking, Upgrades, Integration, Documentation, Test equipment, Site survey, Linux, Installation, Load testing, Automation, Interfaces, Metrics, Firmware, Replication, Virtual machines, Test cases, Specification, Training, Enhanced 9-1-1, QA, Drive testing, TPC, Engineering, DNS, KPI, IP, Actix, Scripting
Contract W2, Contract Independent, Contract Corp-To-Corp, 12 Months
Depends on Experience
Work from home not available Travel not required

Job Description

Duties:

  • Testing and configuration of 2G/3G/4G cellular systems in a lab and pre-field trial environment
  • Network integration and end-to-end testing of eNB with EPC/IMS core elements/interfaces and various backhaul technologies (Ethernet, microwave, satellite)
  • Install, maintain and operate various test tools & equipment (hardware and software) used during lab trial, walk/drive tests, site surveys and field trials
  • Execution and regression testing of operator-level test plan ensuring requirements are met, definition and 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

Skills:

  • Working knowledge of 3GPP specifications, specifically 2G GSM, 3G UMTS, 4G LTE
  • Experience configuring, integrating and testing end-to-end networks consisting of UE/CPE, eNB, MME, SGW/PGW
  • Knowledge of mobile operator's end-to-end network architecture and components (RAN, EPC, PCRF, HSS, OCS, etc.)
  • Significant experience with testing various cellular functions such as QCI, dedicated bearers, CSFB, VoLTE, E911, SRVCC, TPC
  • Strong knowledge of 2G/3G/4G key performance indicators (RF interface, Backhaul, Core metrics)
  • Experience with test plan execution, regression testing, troubleshooting and documenting issues for validation of 2G/3G/4G systems
  • Troubleshooting and replication of issues seen in lab, lab/field trials. Collect and analyze network and various device logs.
  • Experience setting up lab testbeds, configuring test equipment, RF chambers and troubleshooting end-to-end 2G/3G/4G systems
  • Knowledge in linux / networking configuration (interfaces, DHCP/DNS, IP addressing, VLAN, virtual interfaces, MTU, virtual machines)
  • Experience with cellsite configuration, LTE call flow procedures, RRC connection setup, attach/detach procedures, S1 link establishment, CQI/RI, radio link failures, alarms, firmware upgrade
  • Experience with various traffic generators (TM500, UE100, CapacityAdvisor, UDP/TCP iperf, speedtest), UE load testing, spectrum analyzers, wireshark, QXDM
  • Desired experience with single site shakedown and verification (SSD/SSV), walk/drive test equipment such as Scanners, TEMS, Nemo, QualiPOC and post-processing tools such as Actix, Windcatcher
  • 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
  • Desired experience in automating test cases, API integration, python scripting

Posted By

Bala Subrahmanyam

100 East Big Beaver Road, Suite 108 Troy, MI, 48083

Contact
Dice Id : 10330185
Position Id : 5925041
Originally Posted : 9 months ago
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