Hadittria Busthomi

Core Subject Matter Expert for NGOSS Telkomsel Project

Ericsson Indonesia

December 2016 to May 2017

Design documents and support acceptance test for multivendor (Ericsson, Nokia, Huawei, Cisco) core network (CS and PS) system availability, inventory, and geo-redundancy.
Design high and low level documents, support acceptance test on Granite modeling core network (CS) system (Ericsson, Nokia) control and user plane interfaces for A-Interface (TDM/IP), IuCS (ATM/IP), Nb.
Node responsible:
Nokia (DX200/ATCA) and Ericsson (Blade Cluster 16A) MSC
Nokia (IPA2800/Ui5/ATCA) and Ericsson (GMP V4, R6.7) MGW
Huawei (HLR9860) HLR-FE/HLR-BE
Cisco (HW 7613, SW s72033) ITP (IP Transfer Point)
Nokia (Flexi-NS ATCA), Ericsson (16A) and Huawei (USN9810) SGSN
Ericsson (SSR 15B) and Huawei (UGW9811) GGSN

CS Core Senior Engineer

Ericsson Indonesia

May 2016 to November 2016

Analyze, prepare, implement, test and verify the configuration and integration of a CS Core Node / network / system.
XL Axiata Indonesia project for:
Multi Operator Core Network full UTRAN sharing test between XL-Axiata and Indosat
MSC-BC APG43 Windows upgrade to APG43L (linux)
MSC-BC nodes conversion become Call Mediation Node (CMN) and configure as geo-redundancy
IMS Release 13 testing on core entities with deep SIP, SDP, Diameter tracing with system:
I/S-CSCF, MTAS, BGCF, HSS using TSP 7 platform and NSP6.1 HW
IP Works (DNS/ENUM), SBG, P-CSCF using IS 3.1 platform
MRS (M-MGw, BGF, MRFP) using CPP 12A platform and GMPv4 HW.
And Successfully done with scenario:
Initial Registration with Digest Authentication
3rd Party Registration
Call Setup (IMS2IMS) & Release
IMS to PSTN call setup
Breakout Procedure

Core Subject Matter Expert for Telkomsel OTE Project

Ericsson Indonesia

September 2015 to April 2016

Provide knowledge sharing and guidance to Front Office and Back Office team on:
Network surveillance (Netcool collected from multivendor EMS), 1st level restoration and preventative maintenance
Troubleshooting, fault acknowledgement and fault analysis for Core domain
KPI analysis on recovering network degradation or outage
Alarm trending analysis from Netcool DB2 databse for all Core Network Element
Trouble ticketing management application (BMC Remedy)
Maintaining the service delivery level within the agreed SLAs
Create technical documentation on Core technical issue.
Provide suggestion to Telkomsel in order to have improvement on NOC (Front Office and Back Office) personal, tools, or environment.
Node responsible:
MSC/MGW, vendor Nokia and Ericsson on Pool Configuration
HLR-FE/HLR-BE/HSS, vendor Huawei
ITP (MAP transit point), vendor Cisco
SGSN, vendor Ericsson and Huawei

Core Network Solution

SML Technologies

June 2015 to July 2015

Consulting engagement with customer to support telecommunication core network solution for all kind of vendor.
Analyze complex customer requirements, scope, define and design technical solutions.
Create design document and technical presentations for customer and RND department.
Project Solution involved:
Traversa CS (Circuit Switch), delivered to Telkomsel Indonesia
Node responsible:
MSC/MGW, vendor Nokia and Ericsson
HLR-FE, vendor Huawei
ITP, vendor Cisco
- Siemens STP

Senior Core Back Office Engineer for Zain Bahrain Manage Service

Ericsson Bahrain

January 2014 to May 2015

Handling operation Ericssons HSS 12B, HLR-FE/FNR R13B, CUDB 13B, Provisioning Gateway (PG) 7.2 CP3, MSC-BC R13A APZ 214 03 - SPX AP Z212 60 in pool operation, STP/MNP 12B, MGW R6.4.2, for GSM, UMTS, and LTE network by for solving and optimizing network problems.
Set up HSS Front End to replace monolithic HSS.
Daily Monitoring of Core KPI Report, analyze, and troubleshoot of any degradation issue or to get improvement using ENIQ Business Objects, Astellia (TNA, Analytics), and directly from node statistic.
Performance evaluation for network changes (new elements entry, software upgrade, events, etc)
Control of hardware and licenses utilization.
Nodes upgrade and software correction implementation, and post analysis.
Maintain network on network swap from NSN to Ericsson systems.
Make script (AXE, TSP on HSS, MySQL and ndb CUDB) to help monitoring and analyzing problem.
Filter and change subscribers in the CUDB (2G/3G HLR subscriber) and monolityc HSS (4G subscriber) by making a specific SQL, LDAP queries according to different requests received.
Perform Data Transcript (DT) for routing and connectivity addition and change in AXE, CPP, TSP node configuration.
Perform internal system tracing in AXE (Plex, IPTB, wireshark), CPP (GCP trace, moshell), TSP (tcpdump, wireshark), for MAP, BSSAP, RANAP, ISUP, SIP-I, CAMEL, SGS, DIAMETER to determine and solve network issue.
CSFB fail tracing (internal trace and protocol analyzer) and analysis.
SIP testing and integration at MSC for international carrier.
Coordinate with related department for fraud cases in Circuit Switch network.
Ericsson SAPC/PCRF testing for new implementation
Ericsson MME handling for customer complain and performance analysis
Emergency handling.

CS Core Optimization for MTS Russia

Elcom Russia

September 2013 to November 2013

Design KPI (Ericssons MSC, HLR, MGW) methode for performance monitoring.
Audit CS Core network architecture based on KPI analysis then gives recommendation on the topology and design for network improvement.
Control of hardware and licenses utilization.
Weekly online meeting with Access, Transport, and Packet Core team to get comprehensive solution on all part for solution implementation.

Back Office CS Core Senior Engineer for DTAC Thailand Manage Service

Ericsson Thailand

September 2011 to July 2013

Handling HLR-FE R13.5, MSC-BC R14.1 APZ 214 03 - SPX AP Z212 60 in pool operation, MGW R6.3.2, CUDB 11A CP5 with F5 load balancing, Provisioning Gateway (PG).
Perform scheduled operation task to ensure the continuous running of the system.
Troubleshoot by tracing, analyzing faults records and system logs to fix and find out problem root cause.
Perform tracing PLEX on AXE node, tcpdump on UDC node (CUDB, PG, Load Balancer), protocol analyzer for customer complain and network performance degradation.
Make auto and manual script (AXE, MySQL and ndb CUDB) to help monitoring and analyzing problem.
Perform impact analysis review of proposed changes to ensure that the change will not have unexpected impact on network and that the change procedure follows correct standards.
Perform Data Transcript (DT) analysis and audit on AXE MSC/HLR (A / B number tables, Routing Case, Signaling Route, IN Triggering Tables) and on Cello MGW (User and Control plan) with Configuration and Roaming department.
Emergency handling and coordinate with Ericsson support for system recovery.
Upgrade node (MGW, APG, IPA/EPA MSC-BC).
Loading CP (AXE) and APG43 software corrections to handle the system software errors and perform software upgrades.
BigIP F5 troubleshooting for any CUDB especialy LDAP pool traffic issue and coordinate with local F5 engineer for any escalation.
Knowledge transfer and provide guidance for Operation & Maintenance instructions to customer (DTAC engineer).

Field Switch Engineer Manage Service Saudi Telecom Company

Ericsson Saudi Arabi

May 2011 to August 2011

Troubleshooting of AXE nodes APZ 212 30/33/40/50 (BSC, MSC, STP, HLR) with APG 40/43, IOG 20, RNC, MGW R4/5 for 2G & 3G network including hardware / software faults or disturbance recovery, and replacement.
Daily, weekly, and monthly routines which includes backing up the CDR records, APG, IOG SP Dump and CP on tape/disk, also CP / APG / IOG load test verification.
Testing of new signalling and voice routes.
Acceptance test of Ericsson core nodes.
STM (ET1551), ET4-1 interconnection and testing including DDF activities
Call test matrix along the premises.
Resolve mute (one way), noise on the line, cross call speech, and any other issue which involve core network system.
Emergency handling in case of Restart or Reload in the system
Responsible for the hardware inventory & request for any additional HW to the FSE team leader

CS Core Engineer

XL Axiata

February 2007 to April 2011

Maintain and troubleshoot for GSM/WCDMA system which contain more than 200 nodes (Ericssons MSC/MGw, Huaweis MSC/MGw, Ericssons HLR, Siemenss STP, Ciscos STP) with Ericsson is the most number.
Perform fault investigation and perform required statistic/performance measurement for abnormal situation or network improvement.
Perform HW & SW upgrade/patch.
Assign troubles ticket (TT) to relevant party and control the restoration work (follow-up).
Identify error in CP APZ212 50, read CPs with Plex view and RPs logs (for AXE Ericsson).
MAP, ISUP, BSSAP, RANAP, BICC, TCAP trace and protocol analyzer for Sigtran or SS7 using Anritsu Masterclaw or internal Node protocol test.
Establish signaling (Narrowband, HSL over ATM or TDM, Sigtran).
Implement new Trunk Group (toward BSC, PLMN or BICC), B-number routing, MSRN routing, GT routing and GT Translation or change necessary parameter.
Routing Maintenance for GMSC & MSC.
Integrate network element such as Intelligent Network (IN), Voice Mail System and Short Message System to MSC and MGw.
Integrate BSC and MGW to MSC or migrating from one MSC to other for network optimization.
MSC In Pool (MIP) handling.
DT audit and troubleshooting.

Scada Telecommunication Engineer

PT PLN (Persero)

August 2005 to January 2007

Perform Scada system (Master Station, Remote Terminal Unit (RTU)) maintenance at Sumateras Load Control System.
Perform Telecommunication system (Radio, Fiber Optic, Power Line Carrier (PLC)) maintenance at Sumateras Very High Voltage Transmission (150 kilo Volt) system.
Responsible for Commisioning of new integrated Scada and Telecommunication system at Sumateras plant.
Provide technical support and respond to queries related with for Sumateras Scada and Telecommunication system development.

Bachelor

September 2000 to February 2005

Career Goals

Industries of interest

Areas of interest

Availability to travel and work outside the city

No

Interests and hobbies