RF Engineer with 10+ years of experience in designing and developing software programs for optimizing, integrating, and modernizing 2G/3G/4G/5G wireless networks across Nokia, Samsung, Huawei, and Ericsson platforms, including 4G/5G, 5G NSA/SA, VoLTE, VoWiFi, VoNR, LTE Technologies.
Hands-on experience in designing and optimizing wireless communication systems and developing automated tools and KPI dashboards through OSS data pipelines using Linux/Unix for data movement and Python, Java, C++, and Excel VBA for tools creation.
Responsible for communicating with cross-functional Software development Teams to create processes related to automation to reduce manual work or to build software products and automation tools related to RF Engineering.
Design RF and telecom cloud solutions for macro(ORAN/VRAN), small-cell, and in-building networks using Kubernetes, OpenStack, OpenShift, AWS, Microsoft AODS, iBwave, Atoll, and Planet; perform site walks, link budget analysis, traffic analysis, and antenna/RRU/coaxial placement to improve coverage and capacity.
Optimize LTE/5G networks across Sub-6, DSS, mmWave, C-Band, and ENDC deployments, including multi-layer cluster optimization, inter-technology traffic balancing, C-Band layer management, AMF/ANR/B1 tuning, Throughput, Mobility, VoLTE/LTE KPI improvement, RTWP, PIM, and high-load traffic distribution using A1, A2, A3, A5, B1, B2, and LTE/5G loadbalancing parameters.
Troubleshoot and improve RF performance by analyzing drive test and OSS KPI data, Layer 3 messages, to improve RSRP, SINR, RSRQ, accessibility, retainability, mobility, drops, Access/RACH failures, packet loss, mute calls, one-way audio, handover issues, throughput, and UL RSSI using TEMS, Windcatcher, Actix, and Accuver and OSS tools.
Deploy, commission, integrate, and migrate LTE/5G RAN, Nokia AirScale, Ericsson 6660/6672, Cisco/Nokia IXRE CSR, and SiteBoss 340 platforms, including BBU replacements, capacity card installs, baseband configuration, transport validation, synchronization, alarm provisioning, service activation, monitoring integration, and service restoration testing.
Must have Huawei to Samsung Radio Swap experience and hands-on experience on Parameter and KPI mapping of both vendors.
Conduct and participate in the deployment, testing, and validation of new RF features and trials for the deployment of new antennas and radios, while overseeing the integration of new cell sites into the network, and ensuring they are optimized for maximum performance
Perform drive test data post-processing, map generation, frequency planning, and interference matrix analysis and site database maintenance, using TEMS/Windcatcher/Actix/Accuver. Optimize 4G/5G site clusters by analyzing Layer 3 messages and improving accessibility, retainability, and mobility KPIs through drive test data analysis
Must have Hands-on experience on OSS tools of Nokia, Samsung and Ericsson i.e. CM Editor, Element Manager, USM, Optimus, NetACT, ENM, CLI, etc.Hands-on experience on drive testing and post-processing tools i.e., TEMS, Windcatcher, Actix, Accuver, XCAL,XCAP.
Qualifications for Sr. RF Engineer Role:
10+ years of experience in the relevant field.
B.S. in Electrical Engineering (EE), Electronics Engineering, Computer Engineering, Telecommunications, Computer Science (CS), Computer Information Systems (CIS), Information Technology (IT), Technology, Engineering, Business, or a related field.
Expert-level RF Engineering experience with 10+ years of hands-on experience working with Nokia, Ericsson, Samsung, and other vendors. Deep knowledge of Open Radio Access Network (O-RAN) and Virtualized Radio Access Network (vRAN), with the ability to develop performance dashboards to optimize wireless network performance.