Customer Service Engineer

MANISH TUTEJA

Arlington, TX-***** • 682-***-**** • **************@*****.***

Synopsis

A Telecommunication professional with 6+ years of extensive experience in installation, integration, upgrading and providing support for Ericsson and Nokia (formerly Alcatel-Lucent) IN charging products.

Education - Masters of Science in Electrical Engineering Aug’ 2015-Dec’2016

Virtualization and Telecommunications University of Texas at Arlington, GPA – 3.5

TECHNICAL SKILLS

Scripting : UNIX, Linux, MySqL, Shell Scripting (bash) and Python.

Tools : VMware Vsphere Client, Wireshark, Putty, Open VPN, Hypervisor.

Certification : SA-1/SA-2 Solaris 10 from Oracle; ECTP-102 (Ericsson Certified Technology IP Essentials).

General : PCRF, HSS, AAA, Linux Administration (L2 Support), PostgreSQL, EPC/IMS and 3GPP.

Protocols : SS7 Signalling - TCAP, ISUP, MTPL1, MTPL2, MTPL3, SCCP, INAP, MAP etc., SIGTRAN, CIP/IP, CIP/SS7, Diameter (RFC-6733), Layer 3 VPNs, (802.1Q),802.3, 802.11, SMTP, SIP, SFTP, TFTP, SNMP, Transport protocols and error control of IP (ICMP, TCP, UDP, SCTP), ARP, RIP, OSPF.

Technologies : GSM/CDMA, LTE, 4G, IP networking, NAT, LAN, WAN, Firewall, VoIP, Ethernet VLANs and VLAN Trunking, TCP/IP, VPN, IPv6, VMware Virtualization (PAAS,IAAS,SAAS) vCenter, P2V, V2P, VMware snapshot, DNS, DHCP, SSH/Telnet/FTP, 3GPP TS 32.299.

WORK EXPERIENCE

NOKIA (ALCATEL-LUCENT) Aug’2016-Present

Resident Engineer-Surepay

Working on automation of used test cases via RTE (Robo Tester Evolution) tool to ensure the tariffs defined on OCS for charging are correctly applied for any given call scenario, performed ATP plans for UC, RTR, PP and AGS.

Generated audit reports via RAVS (Records and Asset Verification Service), Nokia Reality Services Platform, and users have 24x7x365 access to: Reporting, Auditing, Licensing, APIs, Utilities, Smartphone Apps and Engineering tools.

Call simulators like Perfecto, as an effective cost saving tool which can schedule end to end network testing and regression testing using Voice over LTE (VoLTE), Voice over WiFi, 4G Data, SMS and MMS.

MOPs (Method of Procedure) are validated within the MTCE lab environment before being released for production deployment. Assisted in validating new features, application and hardware configurations.

Provided extensive support for Ericsson SAEGW (EPG 1.3) Gy feature testing for LVC call.

A issue if reported to us, is either from new feature testing or some existing network configuration gone bad, is rectified and checked thoroughly end to end, else it’s been raised to high level support team with a ticket.

Technical Lead Aug’2014–Aug’2015

Responsible for installation, integration and upgrades of IN charging products, SUREPAY (OCS) and ESM on ATCA & virtualized environment.

Written MOPs for Verizon on ESM task mapping, hotslide and breakpoint Implementation, combined (Platform and Application) upgrade for Generic, PP, RTR, UC, and AGS on MAS and MCAS level.

Performed installation and configured ESXi 5.5 host; Creation, implementation, configuration and maintenance of Virtual Machines using vSphere Client (5.5), OpenStack (RHEL KVM/QEMU) and vCloud.

Pioneered the installation of 1360 COM (Centralized Operations Manager) on virtualized platform and did ATCA upgrade using COM from release 29.15 to 29.16 respectively.

ERICSSON Oct’2010–Jul’2014 Engineer-Customer Support (Tier II)

Accountable for managing problems (24X7) that have been reported by customers or other Ericsson support organizations.

Resolved complex technical issues and gained expertise to find Root Cause Analysis of CSR (Customer Service Requests)/TR (Trouble Report) and increased revenues, operational efficiency on Emergency cases on SDP, AIR.

Outstanding performance in Progress Report Update; 85-95% of CSRs were updated as per defined SLAs which enhanced the quality of delivering results and meeting customer expectations.

Played key role in execution of end to end Installation and Integration of Linux SDPs (HPDL360p, HPDL 380), AIRs; Performed AT (Acceptance Testing), Security Implementation (Customer Specific) and received Team Player award.

Implementation of MBC 2.3 in Bharti, Integration with GGSN, Implementation and configuration of Gx/Gy in CCN and SDP, features including VoLTE Charging, Policy Management 3GPP Sy, QoS Handling, IP Flow Bandwidth Management, performed end to end testing on all configured data packages.

Solution Integrator

Deployment of new SDPs on Sun X86(X4270), Integration (OSS, License Server, MPBN, STP etc.) and upgrading, Oversaw the tasks of migration of real time data (Load balancing) on more than 15 SDPs successfully.

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