RIDWAN SYARIF SIREGAR

Address: Jalan Pondok Jaya IX no.27B,

Pela Mampang – Mampang Prapatan – 12720 Jakarta Indonesia

Phone: +62-081*********

Email: ac2jj1@r.postjobfree.com

EXECUTIVE SUMMARY

I am quality-oriented and growth-driven Senior telecommunications Engineer / Manager with 15+ years of experience in the wireless industry in Engineering, Market Analysis, Management, and Supervisory positions. Primary technical expertise in the field of GSM/UMTS/HSPA/LTE (TDD & FDD) end to end network planning consist of Radio, Transmission FO & MW, IP & Core Network, Device & Technology roadmap.

Proven track record of accomplishments in numerous 2G/3G/4G cellular network rollout, optimization, and swap projects in variety of roles and organizations (operators, equipment vendors, consultancies) in APAC, Europe, Africa, America and Asia-Pacific.

Possess proven track record of reducing costs, increasing revenues, and optimizing operations by leveraging technology to improve processes and performance as well as driving cross-training efforts and recruiting valuable talent. Knowledge of network operations and technical processes of various infrastructure vendors, in technologies of GSM, UMTS, CDMA, and LTE.

Specialties: Consulting, Project Management, Network Operation, Start-Ups & Turnarounds, Team Leadership, Budgeting, Cost & Benefit Analysis, Delivering complex projects in record time under severe budget constraints.

PERSONAL INFORMATION

Born October 6th, 1979 in Pekanbaru (Indonesia)

Citizenship: Indonesian

Marital status: married, 2 kids

WORK HISTORY

08. 2013 - PRESENT PT.INTERNUX

GM Network & Technology

Design, Build, Optimize & Improve Radio Network based on TDD band 40 (2300Mhz) with 30MHz bandwidth over 3600 BTS’s.

Design, Build, Optimize CORE Network (IP, Mobile, EPC, Hubs, PoP & Datacenter).

Design, Build, Optimize Transmission Access Planning & Design (Fiber Optic & MW).

Oversees Technology Planning, Service Planning & Device Management.

Design, Build Business Support System & IT development to support product development.

Achievement:

1.Successfully Launch the 1st 4G LTE Network in INDONESIA.

2.Successfully built and establish a group of Technical Team in BOLT to develop & Operate 4G LTE operator in Jakarta.

03. 2012 – 08. 2013 TELENOR NORWAY

Senior RF Consultant

Deployment of LTE (2600, 1800), UMTS (2100 3rd & 4th carrier,900).

Re-farming GSM900 for UMTS900.

Establish LTE Radio Network KPI to be used on daily performance monitoring.

Perform LTE & UMTS Feature activation test & implementation.

Troubleshoot Issues in LTE Network such as: low throughput issues, etc.

Cluster Optimization on LTE/4G Network.

High Level Design and Low-Level Design of LTE parameters for several types of cells.

LTE KPI analysis and parameter change optimization, Network Parameter tuning recommendations

Supporting end customer project with HSxPA KPI improvement, worst cell analysis and corrective actions for CSSR and CDR improvements.

Creating & Presenting Technical Workshops to final customer regarding DRD, LDR, Access failure and missing neighboring cells analysis.

Technical workshops preparation such as:

1.MIMO spatial multiplexing gain (TM4 with CL Rank1, TM4 with CL Rank2, TM3 with OL Rank1 and Tm3 with OL Rank2) in static & low speed environment versus OL SFBC (TM2 with Rank1, minimum feedback overhead)

2.Evaluating DL Throughput vs. Speed, SINR and distance.

3.MCS used in UL&DL.

4.RB in use according to band used (100 RBs for 20Mhz, 50 RBs for 10 Mhz); minimum and maximum number of RBs allocated to one user.

5.evaluating UL BLER and UL Throughput for 2X2 and 2X4

Achievement:

1.Successfully launch the 1st 4G LTE Network in 10 biggest cities in Norway.

2.Successfully implement UMTS2100 3rd & 4th carrier.

3.Successfully Launch the 1st UMTS 900 network in Norway (National Coverage project).

10.2011 – 03.2012 ERICSSON MEXICO

Senior RF Consultant

Deployment of LTE 700, UMTS 2100 for North America & Latin America market.

Provide design & solution on LTE & UMTS deployment.

Responsible of trials, new technology/solution test, guidelines.

Network level KPI analyzing to improve quality, utilization etc.

Responsible of coordinating network planning, prelaunch optimization.

Analysis drive test logfile and give recommendation to optimize radio network.

Capacity planning.

01.2010 – 09.2011 SITRA 4G WIMAX (LIPPO JOINT VENTURE)

RF Manager

Build the first 4G network in Jakarta based on WiMAX Technology.

Implement best-practice Network Policies and Procedures, Planning and Design techniques/tools in line with architectures and roadmaps.

Establishment of KPI’s to support network quality initiatives, network audits, frequency planning, indoor-building solutions & optimization network management.

Build team by guiding and developing subordinates.

Managing POC (Prove of Concept) of each Radio Vendor Technology (Alvarion, ZTE, and HUAWEI) before going through RFP.

Reviewing RFP & RFQ of each Radio Vendor.

Managing TRIAL & POC of WiMAX Migration to TD-LTE Technology.

Working closely with the regulators in terms of technology standardization and control of illegal frequency users.

09.2009 – 12.2010 ZAIN TELECOM NIGERIA

Senior RF Consultant

GSM & UMTS Radio Network Optimization.

Daily monitoring Key Performance Indicator of network based on hourly/daily counters.

Troubleshooting and optimizing of network, change parameters in order to improve the KPI's

Worked in the dimensioning, optimizing, troubleshooting, maintaining UMTS/GSM wireless network and determining KPIs by using various RF optimization and performance management (statistic) tools.

Working in partnership with our customers to guide and assist in the preparation and implementation of network improvement programs.

Lead optimization and provide expert services for our customers on regional basis advising on issues with their GSM/UMTS network performance.

Detection of Worst Cells & Cell level Optimization

Handling of customer and VIP trouble tickets

Leading on-site support of Physical Antenna Optimization Efforts

Statistical analysis of Traffic and Radio Network Performances through Network Performance tools

Post processing of radio parameter adjustments and tunings, cluster tuning & optimization, whole network tuning and optimization, etc.

01.2009 – 08.2010 NSN INDONESIA

Senior RF Consultant

Co-ordination between Customers in regard to network performance issues.

Radio network optimization.

Parameter update/checking, parameter audit (inconsistency Check), Site Audit.

VIP complain handling.

2G/3G site verification and cluster optimization reporting,

Checking network performance with collected drive test data and giving recommendations to improve network quality,

Coordination of the drive test teams,

Drive Test log file analysis with NEMO and TEMS tools,

Checking network performance with drive test data and giving recommendations to improve network quality.

08.2008 – 12.2008 HUAWEI TECH MALAYSIA

Senior RF Consultant

To support Worldwide Radio network planning & Optimization projects of GSM / CDMA2000+EVDO / UMTS+HSPA / WiMAX/3G.

To provide: Radio Coverage & Capacity Dimensioning, RF planning and Optimization, E2E optimization (KPIs), performance monitoring, Site engineering, Network audit, etc.

To Support performance KPI negotiating with operators before or during project implementation

To take part in the Preliminary or final radio performance acceptance procedure for worldwide project

To communicate with the high level customer, Project Manager, RF Manager, CTO, CEO, etc.

To write guidelines for radio network planning & optimization projects.

04.2006 – 07.2008 XL AXIATA

Senior RF Engineer

Design of Radio Networks using theoretical models and simulations of radio propagation.

Perform dimensioning of radio networks, frequency planning, coverage predictions.

Perform Radio Measurements for coverage, optimization of parameters and interference.

Tuning radio network during system expansion.

Studying the BSC statistics related to the radio network on a regular basis to identify problems.

The final design of the radio network including frequency planning and interference calculations, coverage and site positions.

10.2001 – 04.2006 NOKIA SIEMENS (SIEMENS INDONESIA)

RF Engineer

Perform Radio Network Design for TELKOMSEL GSM900 Networks.

Perform Overlay RND for TELKMOSEL GSM1800 Networks.

Perform frequency retuned for GSM900 & 1800 Network to minimize Co-Channel & Adjacent channel to improve radio network quality.

Perform TSSR Checking from RF perspective.

Perform Initial tuning and pre-launch optimization activity.

EDUCATION

04.2003 – 08.2007 INSTITUTE SAINS DAN TEKNOLOGI NASIONAL

Telecommunication Engineering (Bachelor)

06.1998 – 10.2003 POLITEKNIK UNIVERSITAS INDONESIA

Telecommunication Engineering (Diploma)

PROFESSIONAL SKILLS

Creativity

Leadership

Team Work

Efficiency

Communication

Troubleshooting

Planning

Strategy

Organization

LANGUAGE

Bahasa Indonesia

English

Spanish

EQUIPMENT & TOOLS

VENDOR’S

REFERENCE

Mr. Devid Gubiani

Relationship : Direct Report

Position : CEO (Direct Supervisor)

Tel : N/A

Email : ac2jj1@r.postjobfree.com

Mr. Georgios Datseris

Relationship : Manager

Position : Team Leader Mobile Optimization Verification at Telenor Norway.

Tel : N/A

Email : ac2jj1@r.postjobfree.com

Mr. Manpal Ghataura

Relationship : Direct Report

Position : Technical Director of MSI Consulting UK

Tel : +44-751*-******

Email : ac2jj1@r.postjobfree.com

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