1. MANU MAHAJAN
PROFESSIONAL SUMMARY:
 Over 7 years in supporting and operation ofJava applications and software in a Linuxenvironment.
 5 years of Linux and Oracle supportexperience to include performing upgrades,set-up,and performance
tuning and troubleshooting ofsystems.
 Extensive experience developing shell scripts and programming and enhancing Java applications and
software.
 Production supportexpertise backing and maintaining business users and technical team member’s
consistentand effortless use ofsystems and applications.
 Excellent troubleshooting proficiencyfor technical and non-technical customers to include systems,
networks,software and applications.
 Has experience in working in on-call supportenvironmentover the last4 years.
TECHNICAL SKILLS
 Operating Systems: Linux, UNIX, AIX, Solaris, HP-UX, Microsoft Windows, UBUNTU.
 Languages: SQL, Shell Scripting, Automation, Command line.
 Tools Used: Xshell, Putty, SQL Developer, WinSCP, WIRESHARK, Soap UI, Team Viewer and
Notepad ++.
 Monitoring Tools/Ticketing Tools: Remedy, Bugzilla, Application Lifecycle Management (ALM),
E-forge, ITSM and HP Viewer.
 Telecom/Networking: TCP/IP, SS7, GSM, UMTS, STP.
 Product experience: Bulk Messaging Gateway (BMG Comviva), Unstructured Supplementary
Service Data (USSD Comviva), Rater (dBill Comviva), Volantis-SE, Roaming (Aricent), Mediation
(Aricent), Provisioning (Aricent), MSDP (Ericsson), Product support and Product testing.
PROFESSIONAL EXPERIENCE:
Ericsson US, Overton Park, KS
July 2015 – Present
Engineer 3
 Testing applications in different environment using different testing tools including Soap UI and
Secure.
 Troubleshooting production applications during any issue and monitoring applications during any
planned and unplanned activity through different monitoring tools.
 Performing action of operation engineer, Triage as well as QA testing lead.
 Use different operating systems: Linux, UNIX, AIX and Solaris for different applications.
 Perform web testing using different tools, environment and user agent.
 Manages synchronization in different ticketing tools such as Application Lifecycle Management
(ALM), E-forge and ITSM.
 Patch testing at staging application and then implementation at production after successful result
from staging.
 Takes updates from different teams working in different parts of world in Ericsson office and
sharing with customer.
 Working on SPRINT SPP and Boost Application for testing and deployment of new release on
regular basics.
 Coordinating with backend team to get desired result in API as per documents and new request.
 Assign and manage work within team of 7 members, which are working out of different locations.

2.  Working on Java applications and doing testing to tune up the API’s which include request and
response XML.
 Generates daily and weekly reports.
 Acting as triage SPOC in hourly call during critical time of project.
 Always available to provide support during office as well non office hours.
 Always available to provide support during any production and non-production activity.
Ericsson Global, Kolkata, India
February 2015 – April 2015
Solutions Integrator
 Grameenphone Bangladesh Self Care GUI.
 Completed integration of MBC with runtime and media.
 Completed end to end testing of new service request through GUI.
 Created new service requests through portal composer and 3PI nodes.
 Created Start/Stop with shell scripts for log rotation.
 Created checklist of each product after going entire flow and directory structure.
 Patch testing at staging application, after successful result from staging, implementation and then
moves to production.
 Checked network connectivity between different applications using Ping, trace route, telnet, error
logs and at TCP/IP level logs checking through WIRESHARK tool.
 Operating systems: Linux, UNIX, and Solaris for different applications.
Aricent, Gurgaon, India
December 2010 – January 2015
Operation Engineer
 Patch testing and Patch implementation for BMG (MESSAGE GATEWAY), USSD
(UNSTRUCTURED SUPPLEMENTARY DATA), VOLANTIES (SE), RATER, MEDIATION, and
SPP (SERVICE PROVISIONING PLATFORM)
 Strong experience in UAT testing and implementation of many products in different environment
such as Linux, Unix AIX, HP-UX.
 Played role in UAT testing of various telecom applications like BMG, SSP, AMS and USSD.
 Operating systems: Linux, UNIX, Aix, HP-UX, and Solaris for different applications.
 All applications were Java-based applications.
 Troubleshooting, continuous monitoring to catch any exception in current logs and CDR.
 Served as the Single Point of Contact (SPOC) in major activities at onsite and offsite.
 Worked alongside Incident management for trouble tickets handling in Applications.
 Handled tickets through Remedy and Bugzilla.
 Provided resolution to the Customer Queries related to different applications.
 Performed all nodes monitoring and surveillance of network.
 Created Shell Scripts for automation of daily task and mail alerts.
 Handled database through SQL Queries through command line as well as tools like SQL
Developer.
 Performed Performance, capacity monitoring, and Alarm monitoring
 Conducted Trainings for the Customer Care Staff and Fresher’s.
 Provided Technical training to Fresher’s and new employees.
 Network Troubleshooting of various SDP Nodes BMG, USSD, RATER, MEDIATION, and SPP.
 Configured Various CP Account , CP Users either through HTTP , SMPP , XML over HTTP at
BMG.
 Configured various Price Point, Service Nodes & Service Ids at RATER.

3.  Configured new service request through backend or GUI in SPP.
 Configured USSD, SPP, MNP through backend as well as GUI.
 Network Trouble-Shooting of various VAS and SPP nodes.
 Provided Various Reports to Customers on daily basis.
 Resolved faults in all nodes servers that required troubleshooting.
 Resolved various subscriber complaints and Provide RCA.
 Provided Administration to Servers BMG, USSD, RATER, SPP, and AMS.
 Ensured the required uptime and SLAs for all VAS & SDP nodes / services by effective O&M for
the nodes.
 Coordinated with Product team for smooth operation of SDP & VAS nodes.
 Ensured process compliance for VAS & SDP project.
 Performed various planned activities on VAS & SDP.
 Coordinated with the Project Team for Node Integration.
 Coordinated with the Comviva and Acision team for better performance of USSD.
 Coordinated with NE’s and OM team to restrict the failure and better performance of SPP and
MNP.
 Provided Weekly and Monthly SLA, TPS and different reports to higher management.
CMC, Kapurthala
June 2009 – December 2010
System Engineer
 Performed all nodes monitoring and surveillance of network.
 Performed Performance, capacity monitoring, and Alarm monitoring.
 Raising Ticket for Critical alerts with concern SPOC.
 Handled tickets through Remedy and Bugzilla.
 Handled Switch, IN & Network related complaints for all the four Circles (Punjab, Haryana, and
Himachal Pradesh & Jammu & Kashmir).
 All type of Provisioning like activation or deactivation of Airtel Services.
 Used different java application such as IVR Services, USSD, Recharge Problem, and Pending
Credit, for automated support.
 Prepared Daily MIS and preparing dashboard for complaints resolved.
 Operating systems: UNIX, AIX, and HP-UX for different applications.
EDUCATION/CERTIFICATIONS:
Master of Business Administration in International Business from Annamalai University
2012
Bachelor of Technology in Electronics and Communication Engineering from Punjab Technical University
2009