SUMMARY

• 7 Years of professional experience in Wireless networking and System Administration.
• Experience in working with 5G Core NF’s like NRF & SEPP.
• Exposure to Oracle CGBU Network Functions like SEPP, NRF, PCF, BSF, NSSF & SCP.
• Experience in working with 3GPP LTE Architecture (Core Network & RAN) and RF Engineering.
• Experience with 4G LTE Architecture elements like MME, HSS, PGW, SGW, PCRF and IMS and LTE Interfaces like S1 - MME, S6a, S5/S8.
• Management of all aspects of the corporate virtualization environment using VMware ESXi, Hyper V and Proxmox.
• Experience in working in Windows and Linux Environment.
• Experience in working in the medium scale data center environment and the server administration.
• Experience in Network monitoring tools like Wireshark and Nmap, XCAL and basic exposure to Splunk.
• Installing the software in the devices and updating firmware time to time.
• LTE and VOLTE optimization, performance monitoring, troubleshooting.
• Running the Wireshark for capturing logs and identify the error and escalating to the concerned team for the error rectification.
• Involved and support RF tuning and optimization by implementing new features and tuning LTE radio network parameters based on different gathered data of KPI monitoring and analysis, drive testing results and SW upgrades activity for a stable network accessibility, retain-ability, mobility and throughput.
• Checking the Signal strength in the UE (User Equipment) using NETMONITOR LITE application. The RSSNR, RSRQ values are considered for signal strength and quality checking.
• Prepare, review and submit Function Test (FT) report conducted by Field Engineers upon on-airing which includes Downlink (DL)/Uplink (UL) Throughout, Ping Test and Speed test for Near Point and Cell Edge location.
• KPI & statistics monitoring of live LTE network.
• For Real time signal Monitoring Iperf logs are taken and analysed for any signal related issues.
• Plan and fine tune the orientation and down tilt of antenna to ensure proper signal distribution and eliminate rapid signal change condition in the target area.
• Presenting the Weekly report to the customer and discussing the network performance issues and working together to improve the network performance.
• Supervising both the development and testing teams and tracking their day to day activities by conducting scrum meetings.
• Experience in the hardware configuration like upgrading the systems with compatible RAM.
• Involved in installation and testing of Fiber optic patch cords.

TECHNICAL SKILLS

Networking: SNMP, NAT, ICMP, TCP/IP, DNS, DHCP, VoIP, FTP, HTTP, LDAP.

Protocols/Topologies: Physical Interfaces (LAN) Ethernet, Fast Ethernet, Gigabit Ethernet

Network Monitoring Tool: Wireshark, Nmap, XCAL

Network Simulators: Packet Tracer, GNS3

4G LTE Architecture: MME, SGW, PGW, PCRF, HSS and IMS 5G Core NRF, SEPP, SCP, NSSF, PCF, BSF

Operating Systems: Windows 7,8,10, Windows Server 2012 R2, Windows Server 2016 and 2019, Ubuntu, CentOS 7.X

NAS: Buffalo Tera station 3010

Servers: Dell R510, R340, R7920 Precision Rack, R 710, HP ProLiant

Scripting: Shell

PROFESSIONAL EXPERIENCE

Confidential, Reston, Virginia

5G Core Resident Engineer

Responsibilities:

• As a resident engineer my responsibility is to educate the customer about the oracle provided Network Functions and provide the required information.
• Involved in drafting the test cases for 5G-5G Roaming which involves in NRF & SEPP.
• Exposure to the other Oracle Network Functions like SCP, NSSF, PCF & NRF.
• Worked on the customer’s emulated inter carrier operable lab by providing them the use case scenarios, test cases from Oracle point of view.
• Responsible for involving other NF vendors and draft the test cases for the smooth flow of NF’s integration.
• Exposure to Cloud Native Environment and Kubernetes.
• Involved in deployment of Network functions in the oracle internal lab before the deployment it in the customers production environment.
• Responsible for version test of new released NF’s and report to the concerned team if any errors encountered.
• Responsible for preparation of High-Level Document for the SEPP & NRF network functions for educating the customer.
• Responsible in preparation of OTP’s CIQ’s & E2E Test cases based on the updated architecture.

Confidential, Chantilly, Virginia

Wireless Network Engineer/System Administrator

Responsibilities:

• Monitoring & Management of EPC Components- LTE EPC Nodes in the vCore such as MME, SGW, PGW, HSS, PCRF & IMS.
• Having Data Center Design Experience, installing and Configuring Network Devices in a Data Center including patching the cables in the Patch Panel.
• Design and implemented network infrastructure and configured the entire network Infrastructure devices including Network Printers and Register.
• Involved in 5G Core Network (AMF, SMF, UPF) and RAN Integration on to the server.
• Involved in administrating the different 5G Architecture (CN, RAN, CU/DU) with various flavors of Linux OS.
• Involved in UE Signaling and Data Connection Establishment with 5G (AMF) UE Authentication.
• Experience in the Network Management and troubleshooting the networking issues.
• Experience with 4G LTE Architecture and system interfaces like S1-AP, S6a, S5/S8.
• Identify and resolve high-level network issues including complex routing issues in a mixed protocol environment.
• Explain about the LTE Technology for the non-technological Clients and gives a visual demo of the company products and train them how to use the products.
• Working with different clients like Nemergent for Mission Control Push to Talk in case of emergency and PG Alert systems for getting Critical Alerts through our instantly generated network.
• Works on the company test equipment to find out any flaws or software issues and trying to remove them in the next batch of production.
• Expertise in Rack and Rack Server Installation, ethernet cabling and network design for the organization’s medium scale data center.
• Worked on physical installation of Cat5 and Cat 6 cables and terminating jacks and patch panels.
• Knowledge on the color codes of Cat 5 and Cat 6 cables.
• Expertise in configuring the Dell Rack servers like R510, R340, R710, R7920 Precision workstation.
• Worked on Buffalo Tera station 3010 NAS System.
• Monitoring and administering the servers remotely using windows remote desktop connection.
• Tests & analyses the company products before delivering it to the customer site.
• Uploads & Upgrade (if necessary) the Company’s signature and patented software into the devices.
• Provides third level support for the clients both remotely and on-site.
• Tests the LAN and WAN Connectivity Environment using basic network commands like traceroute, netstat, ipconfig, route, ping.
• Exposure to active directory for the purpose of Network Administration.
• Monitors and Analyses the LTE Network using NAGIOS XI for critical alerts and WIRE SHARK for capturing packets for the any network issues.
• Configures the routers, firewalls and basic protocols like OSPF, BGP, RIP and also works with application protocols like HTTP, FTP, SNMP.
• Hardware fault identification using alarm report & arranging for subsequent rectification.
• Flashing the System on chip based (SoC) eNodeB with all the specifications required to work it as eNodeB (Base Station) using the BDI connectors through serial console.
• Plan and fine tune the orientation and down tilt of antenna to ensure proper signal distribution and eliminate rapid signal change condition in the target area.
• Presenting the Weekly report to the customer and discussing the network performance issues and working together to improve the network performance.
• Responsible for checking the radio performance for the newly integrated LTE sites analyzing drive test logs.
• Analysis of Drive Tests done by measuring Throughput, SNR, RSRP, RSRQ, Attach Delay, handovers.
• Good Understanding on AWS EC Instance, ELB and Route 53.
• Assisting other engineers in trouble shooting an issue and in device integration.
• Responsible for documenting all the software installation procedures and all the issues arose during the installation.
• Responsible for providing the high-level support for the customers either on-site or through remote session on the issues occurred during the usage of the equipment
• Responsible for quality checking and delivery of the equipment to the customer.
• Responsible for day to day performance check of the Lab Equipment.
• Explaining the company’s product capability by demoing a test case scenario.
• Attending the weekly scrum meeting and updating the higher authorities about the status of ongoing projects.
• Monitor and track network performance to determine problem areas and proactively develop solutions.

Confidential

Network Admin

Responsibilities:

• Assisting in identifying security risks and exposures by participating in security reviews, evaluations, and risk assessments
• Monitoring Network infrastructure using SNMP tools.
• Configured FTP server for inside/outside users & vendors
• Configured VLANs, Private VLANs, VTP, Dot1.Q trunking on switches Involved in L2/L3 Switching Technology Administration including creating and managing VLANs, Port security, Trunking, STP, InterVlan routing, LAN security.
• Supporting EIGRP and BGP based company network by resolving level 2 &3 problems of internal teams & external customers of all locations.
• Involved in troubleshooting software, hardware and network problems.
• Responsible for Server administration and migrsa
• Responsible for Cisco ASA firewall administration across our global networks.
• Worked on Cisco Firewalls, Cisco PIX (506E/515E/525/) & ASA 5500(5510/5540) Series
• Primary responsibility is to design and deploy various network security & High Availability products lick Cisco ASA other security products.
• Support customer with the configuration and maintenance of ASA firewall systems. Worked on Cisco Firewalls, Cisco ASA 5500(5510/5540) Series.
• Experience with Firewall Administration, Rule Analysis, Rule Modification.
• Predominantly set up, configured and maintained a Windows server and Network Equipment on a TCP/IP network.

Confidential

Jr. Network Engineer

Responsibilities:

• Performed troubleshooting, while maintaining trouble ticket tracking, following internal/external escalation procedures and customer notifications. Configured Cisco Routers for OSPF, RIP, IGRP RIPv2, EIGRP, Static and default route.
• Worked with the Help Desk for circuit troubleshooting to give Support to the Tech persons at the site.
• Switching (Ethernet) related tasks included implementing VLANS and configuring ISL trunk on Fast-Ethernet channel between switches.
• Troubleshooted and escalated issues to identify and repair network issues for WAN, Voice, Video, Internet connections and end-user issues.
• Worked with the Help Desk for circuit troubleshooting to give Support to the Tech persons at the site.
• Configuring routers and sending it to Technical Consultants for new site activations and giving online support at the time of activation.
• Performed Configuration and troubleshooting of multi-customer ISP network environment.
• Involved in network monitoring, alarm notification and acknowledgement.
• Implemented new/changing existing data networks for various projects as per the requirement.
• Performed troubleshooting of complex networks layer 1, 2(Point to Point, ISDN) to layer 3 (routing with MPLS, BGP, EIGRP, OSPF and RIP protocols) technical issues.
• Used Wireshark for network packet capture.