Khaja Mohammad

Master's

Computer Science

Mavenir

Senior Systems Engineer

- Roles and responsibilities - Implemented and validated both 5G NSA and SA architectures, overseeing the integration of gNodeB and LTE technologies to enhance network coverage and performance - Involved in the integration of RAN architecture with core network elements, ensuring smooth interoperability and comprehensive end-to-end service delivery - Optimized coverage and capacity by configuring RAN elements such as base stations, remote radio units (RRUs), and distributed antenna systems (DAS - Participated in industry forums and working groups focused on ORAN standards, influencing the adoption and evolution of open RAN technologies - Responsible for integrating 4G/5G network functions with EMS/USM systems to capture alarms and KPIs - Leveraged EMS tools to monitor, configure, and upgrade gNodeB nodes, ensuring seamless integration with existing network infrastructure - Analyzed end-to-end RAN call flows, encompassing both 4G LTE and 5G NR technologies - Implemented virtualized network functions (VNFs) on platforms OpenShift enhancing resource allocation and scalability to support 4G and 5G services effectively - Implemented Kubernetes Operators and custom resource definitions (CRDs) to extend and automate application lifecycle management - Deployed fault detection methods to proactively identify network issues, performing root cause analysis (RCA), and executing corrective actions to reduce downtime and improve system reliability - Managed complex workflows and resource provisioning through OpenStack Heat templates - Experience with ETSI-MANO Architecture, encompassing NFVI, VIM, VNFM, and orchestration module interoperability - Developed test instructions, plans, and cases, along with Method of Procedures (MOPs) and testing reports, to validate projects presented to customers - Conducted IP tracing in networks, prepared test data, specified and executed test case scenarios, and managed test control and statistical data collection, including problem reporting and defect tracking - Created use case call flows, validating customer-facing IMS-based applications end-to-end, and ensuring prompt lab exit to meet business needs - Skilled in using Bash scripting to automate regular network operations, collect data, and generate reports efficiently - Implemented and managed firewall rules using iptables or firewall to control network traffic and enhance security - Worked closely with network engineers and DevOps teams to develop and optimize Jenkins pipelines for network operations