Aatif Hayat has over 7 years of experience in switching operations and network maintenance in the telecom sector. He currently works as a Deputy Manager at Reliance Jio, where he provides technical support for their 4G converged core networks. Previously, he held roles as a Core Engineer at ZTE, Nokia Siemens Networks, and Huawei, where he performed tasks like fault management, configuration, upgrades, and troubleshooting of various telecom equipment. He has expertise in technologies like IMS, STP, GSM, and fiber optics.

1. CURRICULUM VITAE
AATIF HAYAT
Email: aatifhayat@rediffmail.com
Mob: - +91-7358035767
+91-9956371107
PROFESSIONAL SYOPSIS
 An astute performer with around 7+ Years of extensive experience in Switching
Operations & Maintenance of Network in the Telecom Sector.
 Provides technically support to our team player.
 Problem solver who persistently follows up until issue resolved.
 Friendly with positive attitude. Proven team player.
 Possess good communication skills & ability to communicate effectively.
 Highly attentive to detail. Effectively manage multiple tasks simultaneously.
 Ability to adapt changes & working in stress environment in odd hours.
 Excellent written and oral communications, Strong Leadership quality,
interpersonal, analytical, and well organized.
 Resource optimization skill.
CAREER HIGHLIGHTS
CURRENT ORGANATION:
Reliance Jio.
TENURE :- August 2015 to till date.
ROLE :-Dy.Manager IMS.
 Technical support on trouble shooting all 4G Converged Core Networks (IMS),
TAS, BGCF, MGCF, MRF, IPSM-GW, MNP (QNPDB), SMSC, STP and handling
individual as well as bulk Customer Complaints.
 Escalation of appropriate faults to TAC & Vendor with Trouble Tickets on time
as per mutually agreed Procedures / SLA.
 Coordinating for all network related activities i.e. Trouble Tickets, Work
Orders, Planned Events, Operations and Maintenance.
 Analysing Daily Health-check reports, Network status Availability reports,
Performance Statistics and Customer Faults for appropriate fix and escalation
within defined guidelines.
 Trouble handling under the direction of the Network Operation Centre.
 Reporting to NOC Manager related to Network Performance and SLA
Achievements on daily basis.
 Documentations of Processes, Network Expansion and Customer relations.
 Access all Network Management Systems with single platform Citrix

2. Nokia Siemens Networks Pvt Ltd.
TENURE :- July 2012 to August 2015
ROLE :-Specialist CS-Core
 Working on CC core MSS,MGW,GCS and ATCA nodes of Nokia.
 Alarm rectification and fault management of these nodes.
 Configuration as per requirement of customer.
 Report preparation and analysis.
 Worked on packet core nodes alarm rectification and other fault management.
 Doing fault management and heath check for SGSN, GGSN, PCS, for NSN,
Huawei and Ericsson nodes.
 Doing fault management and health check for Juniper and cisco Switches and
routers.
 OSPF, Ports, Vlan and static route check and configuration.
 Doing fault rectification for the packet core nodes and changes as per customer
requirement.
 Co-ordination with other departments for the while investigating data traffic
degrade issues and other issues.
 Doing root cause analysis for packet core issues whether hardware or others.
 Performing the various upgrades and updated for various NSN core and other
nodes for many global operators such as T-mobile, Telenor etc as per
requirement.
 Troubleshooting problems during upgrade & after activities.
 Performing upgrades and CD level updates for core and BSS nodes in co-
ordination with the customer remotely.
 Upgrades of MGW, MSS, SGSN, MME, NodeB, RNC, BTS, BSC done for global
customers.
 Solving configuration and other hardware related issues aroused in activity.
 Troubleshooting various issues that come during or after upgrades.
 Doing flashing of different units and various plug in units manually.
 Case handling for Siemens nodes as raised by customer and providing solution
as per logs and TSG support.
 Doing Configuration for code nodes and handling fault occurred in the nodes.
ZTE Telecommunications Pvt Ltd.
TENURE :- May 2010 to July 2012
ROLE :-Core Engineer
RESPONSIBILITIES
 Handling SGSN ,GGSN switches and Cisco router.
 Configuration of SGSN for Gb/Gn link on FR and TDM

3.  Configuration for various required national, international roaming for inroaming
and outroaming.
 Configuration for roaming also through the roaming hub.
 Configuration for static route
 OSPF static route checking for fault management.
 Fault management based on firewall.
 Daily analysis of reports.
 CDR and there backup.
 Handling various activities and trouble shooting.
 Alarm Supervision
 Analyzing on-going calls by trace to know the reasons of failure and rectifying
the same.
 Version Upgrades of all nodes.
 Checking BGP for fault rectification of static routes.
 Announcement loading in MGW and mapping with MSS.
 Handling smooth flow of activities and handling critical and major faults before
their escalation.
Huawei Telecommunications Pvt Ltd. ( For Idea Maharashtra Circle at Pune) on
roll of Kelly Services.
TENURE :- December. 2009 to May 2010
ROLE :- Engineer-Core Networks (STP & NGN)
RESPONSIBILITIES:
 Handled Huawei NGN Switch and Huawei STP project for Idea.
 Handling of STP augmentations configurations and NGN augmentations and
Configurations.
 Done installation and configuration for Huawei STP
 Routing of different Numbering Plans as well as the GT routing.
 Daily analysis of reports and generating them.
 CDR and there backup.
 Handling various activities and trouble shooting.
 Alarm Supervision and make them clear.
 Analyzing on-going calls by trace to know the reasons of failure and rectifying
the same.
 Analyzing the link trace of STP for checking of proper routing.
 Taking backups of the system for activities.
 Call testing for both STP and the NGN
 Done the feature test and IOT for the STP
 Done AT for the New augmentation of NLD.

4.  Augmentation of Sigtran and the TDM links and the E1s and there fault
correction.
 Handling critical cases with support of TAC team and providing full support to
team members and the project team
 EWS configuration and handling.
 Huawei core equipments knowledge related to hardware, configuration and
performance.
 Handling smooth flow of activities and handling critical and major faults before
their escalation.
 Routing of different Numbering Plans (Mobile to Mobile & PSTN) for local,
national & international levels.
 Regular system checkup of core nodes and hardware health checkup.
 Solved various hardware and other system configuration related issues.
Nokia Siemens Networks Pvt Ltd. ( For Vodafone UPEAST Circle) on roll of Kelly
Services.
TENURE :- April 2008 to December 2009.
ROLE :- NSS O&M Engineer
RESPONSIBILITIES:
 Handling of Vodafone Varanasi MSC as a NSS ENGINEER where 11 MSC &
2 HLR , 3 NOKIA MSS with 6 MGW.
 Daily analysis of switch reports/KPI’s which include Paging Success Rate,
Processor loading, Success Call Rate, etc. to ensure the optimal operation of all
MSC/HLR/VLR.
 Make permanent and semi permanent connections.
 Monitor the NSS status daily & Daily report preparation of NSS.
 Alarm Supervision and make them clear.
 Analyzing on-going calls to know the reasons of failure and rectifying the
same to improve ASR.
 Regular system hardware checks up.
 Augmentation of PCM in Siemens MSC &Nokia MSSMGW (Soft switch) end.
 Routing of different Numbering Plans (Mobile to Mobile & PSTN) for local,
national & international levels.
 Software upgrades and license loading and new feature implementation in NSS nodes
 Announcement Loading in MGW and mapping to the MSS
 CD & Patch implementation in all nodes as per NSN.
 BSC dual homing. Implementing MSS pooling in circle.
 Maintain the SS7 configuration, translation and routing tables of all switches to
allow optimal traffic handling and fault tolerance within the network.

5.  Troubleshooting and rectification of various faults in MSC and HLR.
 Acceptance Testing of the PoIs and obtaining the test call results.
 Monitor the NSS status daily & Daily report preparation of NSS.
 Subscriber handling in HLR & AUC Data configuration in HLR.
 Weekly Backup from all MSC’s and HLR.
 Provide support to my team members and the Technical support group to solve
customer complaints as and when required.
 Implementing of new BSC and rehoming to new MSC as per traffic trend and/or
need.
 Performance monitoring of all Poi’s which includes BSNL Basic, NLD, TAX, and
MSC’s of IDEA, BHARATI, TATA AND Other ILTS includes ASR improvement,
Utilization.
 Coordination with project team for implementation of new MSC and HLR and
take handover with proper testing.
 Handling critical cases with co-ordination of TAC-2 Team.
EXPOSURE
 Knowladge of Siemens MSC –D900,Nokia MSS/MGW(Dx 200),HLR,TCSM.
 Call flows involved in 2G network – Voice call, IN, GPRS & SMS.
 Knowledge of protocol analyzer to troubleshoot call flow/SMS or roaming
related issues.
 Knowledge on basic switching, routing concepts.
 Knowledge GSM fundamentals.
 Knowledge of basic concepts used for Fiber Optic technology. CCS7 signaling,
E1 fundamentals.
 Knowledge of basic concepts of OSI layers.
 Knowledge of upgrades and updated for various equipments.
 Knowledge of STP, NGN and IMS networks
 Operating System : Windows 98/XP/Vista, Linux.
 Special Softwares : MS-Office, Linux
 Languages : C, VB
EDUCATIONAL QUALIFICATION
S.No. Certification University Year
1. B.Tech. (Electronics & Communication) Uttar Pradesh TechnicalUniversity 2006
2. Diploma Engineering (Electrical) Aligarh Muslim University 2001
3. Secondary School Certificate (x) Aligarh Muslim University 1998
COMPUTER PROFICIENCY

6. TRAINING COURSES/WORKSHOPS ATTENDED
 Attended 4 days training on IMS at NSN Chennai
 Attended 7 days training on HiQ at NSN Chennai
 Attended 8 days training on HIS at NSN Chennai
 Attended 7 days training at ZTE Gurgaon on oracle database training
 Attended 7 days training at ZTE Meerut on Performance.
 Attended 4 Weeks training at ZTE in Banglore on GSM.
 Internal training by NOKIA for 1 Week about Routing.
 10 days training for NOKIA MEDIA GATWAY and NOKIA MSS at LUCKNOW.
 6 Weeks Industrial Training in 2004 at Airport Authority of India Ltd. [Amausi Airport]
Lucknow (U.P) INDIA.
 4 Weeks Industrial Training in 2003 atIndian Telephone Industry [I.T.I]Mankapur-Gonda
(U.P) INDIA
PERSONAL DETAIL’S
Father’s Name : Mr.Hayattullah
Date of Birth : 22nd Aug. 1983
Gender : Male
Marital Status : Married
Language known : English, Hindi, Urdu, Arabic.
Permanent Add : Behind Scout Press, Opp. Masjid,
Gandhi Nagar Basti-272001
DECLARATION
I consider myself familiar with Electronic/Telecommunication Engineering
aspects. I am also confident of my ability to work in a team. I hereby declare that
the information furnished above is true to the best of my knowledge.
Place – Signature
Date:-