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Engineer Service

Shakopee, Minnesota, United States
April 19, 2018

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#**** ********** *****, ********,

MN *****, USA

Mobile : +1-952-***-****

E-mail :



Personal Data

First Name : Piseth

Last Name : LIM HEANG

Date of birth : 25th July 1982

Place of birth : Phnom Penh

Nationality : Cambodian

Sex : Male

Marital status : Married

Mobile : +1-952-***-**** / +1-763-***-****

E-mail :


2013 § Master of management, Business and Administration, National University of Management, Cambodia

2010 § Certificate of ICC (Instance Convergent Charging) level 3

§ Certificate of ICC EWS (Event & Wireless Service) Operation

§ Certificate of OSP (Open Service Platform) Service DB extension 2006 § Certificate of Solaris & SUN Cluster Administration, TEAMSUN Technology, BEIJING, China

§ Certificate of Intelligent Network Training, Huwei Training Center, Malaysia

2005 § Bachelor of Engineering, Electrical, Energy and Telecommunication Department, Institute of Technology of Cambodia, Phnom Penh

§ Certificate of AutoCAD2004, Information Technology and Electronic Center

2002 § Certificate of Computer Programming, C++ programming, PC World School, Phnom Penh, Cambodia.

§ Certificate of French literacy, DELF A2.

2001 § Certificate of French literacy, DELF A1.



1st November – 19th November 2010 Alcatel-Lucent India, India Topic on:

1. CRE product description

2. CRE provisioning and configuration

3. CRE table specification and their relation

4. OSP platform architecture

5. Oracle Database Distribution on OSP

6. Voice call signaling flow

20th February – 17th March 2006 Huawei Training Center, Malaysia Topic on:

1. SS7 Signaling Protocol

2. Introduction to Unix Basic

3. Informix Database server

4. Introduction to cluster structure

5. Call Signaling Flow

6. Intelligent Service (PPS&FN)

7. USAU data configuration

5th June – 2nd July 2006 Huawei IBM Help Desk, Beijing, China Topic on:

1. Introduction to Unix Basic

2. AIX Operation System Installation and configuration 3. AIX Communication configuration

4. Cluster(HACMP) for AIX installation and configuration 5. AIX User Management

6. AIX Storage Management

7. AIX system backup and recovery

8. AIX startup troubleshooting

9. IBM p-series Hardware Replacement

10. Support on-site Engineer to solve the problem

3rd July – 7th July 2006 BEIJING TEAMSUN, Beijing, China Topic on:

1. Introduction to Solaris 9 Operation System

2. Local disk devices management on Solaris OS

3. Solaris 9 Operation System Installation and configuration 4. Software Path Management on Solaris 9

5. User Administration on Solaris 9

6. System backup and Recovery on Solaris 9

7. Network configuration on Solaris 9

8. Storage Management and Volume manager software

9. Startup procedure and Troubleshooting

10. SUN Cluster V3.0 installation and configuration 10th July – 14th July 2006 Huawei SUN Help Desk, Beijing, China Topic on:

1. Hardware replacement on SUN Netra 1405 and StorEdge D1000 2. Hardware replacement on SUN Netra 240 and StorEdge 3310 3. Hardware replacement on SUN Fire V440 and StorEdge S1 4. Hardware replacement on SUN Fire V880


January 2015 – February 2018 Asian Parboiled Rice co., Ltd, Cambodia General Manager

1. Implement parboiled rice factory

2. Put the factory in production

3.Technical Management

4.Project and budget Management

5. Administration and Resources Management

6. Incident and change management

7.Operation and Maintenance management

January 2013 – September 2014 Sotelco Co.Ltd (VimpelCom), Cambodia IN-VAS Expert

1. Managing on SMSC project implementation

2. Monitoring IN-VAS KPI

3. Huawei OCS system operation and maintenance

July 2010 – December 2012 Alcatel-Lucent Co.Ltd, Cambodia IN/VAS Support Engineer

1. Alcatel IN (ICC) system operation and maintenance 2. Technical support and escalation

3. Maintenance on OSP 2.4 (Open Service Platform) of IN (ICC) 4. Maintenance on Oracle Database of IN (ICC)

5. Maintenance on Linux Redhat with HP Blade BL680c 6. CRE Service feature configuration of IN (ICC)

7. Charging configuration on IN (ICC)

8. IN load traffic analysis

9. Troubleshooting on IN (ICC) system

April – June 2010 MTN Ivory Coast, Ivory Coast

IN Consultant

1. Huawei OCS system operation and maintenance

2.Ensure the maintenance costs are reduced and optimized 3.Ensure 24/7 availability of IN platform (Huawei OCS) 4.Ensure the QoS match the KPI

5.Managing and planning for the network to avoid service feature upgrade 6.Network monitoring and fault analysis

7.Coordination of technical issues and fault solution with the vendor 8.System performance management of statistic reporting and analysis 9.Managing and planning for network extension and optimization July 2009 – March 2010 Car Care Center, Cambodia

General Manager

1.Manage 15 staffs

2.Services quality check to meet customer requirement March – June 2009 HITS Telecom Co. Ltd, Equatorial Guinea IN/VAS Technical Consultant

1. Report to IT Director

2.Design and Planning of IN/VAS Network architecture 3.Controle IN/VAS project implementation

4.Consolidate HUAWEI OCS system in term of service feature 5.Search for VAS Vendor according to the budget and commercial roadmap 6.Rivise service feature of VAS Multi-Vendor platform


§ Collect Call, I Changed, Call Me, Credit Me (APLIMAN Solution)

§ SMSC, MMS, WAP GW (Huawei Solution)

§ CRBT (TELESOFT Solution)

§ Outreach messaging + winback, Short Code (ROAMWARE Solution) 7.Cooperation with commercial team for launching prepaid service April 2008 – February 2009 Wataniya Telecom Pvt. Ltd, Maldives IN Expert

1. Maintenance on Huawei IN system (SCP&SMP)

2. Build up UNIX shell Script and Perl Script on IN System 3. Cooperation with Marketing Department for new promotions 4. Support IT department for MML command

5. Troubleshooting on PPS/MVPN/EVC service faulty and provide solutions 6. Support Local staff and give the training

January 2006 – March 2008 Huawei Technologies Co.,Ltd IN/VAS Engineer

1. Weekly Maintenance IN system (SCP&SMP)

§ Informix database backup

§ Unix file system backup

§ Managing Informix database running status

§ Managing Unix file system for AIX OS and SUNOS

§ Managing CPU load on UNIX

§ Managing Memory leakage

§ Managing call processing in SCP

§ Managing Unix Operating System and Cluster running status 2. SCP & SMP implementation and Software commissioning 3. PPS service Installation and Configuration

4. PPS Charging Matrix Configuration and Supporting 5. IIN Platform installation and configuration

6. IIN Platform and PPS service upgrading

7. PPS international roaming configuration and supporting 8. Customer Complaints supporting on PPS Service debugging 9. USSD callback for International Roaming configuration and debugging 10. USAU Implementation and Data Configuration

11. Be in charge of VAS product Maintenance and supporting customer

§ Short Message Service Center (SMSC)

§ SM Gateway

§ Mobile Data Service Platform (MDSP)

§ Ring Back Tone (RBT)

§ TopEnd Call Center (IVR)

§ Voice Mail Service (VMS)

12. Training and supporting on-site engineer to troubleshoot on IN product 13. Leading an A&S engineer team of 4 members

14. Experience on IN external interface connection such as MSC, SMSC, Billing, RBT, MDSP, VMS, UCB gateway.

15. IN&VAS Network structure design for new project. 16. Support on-site IN engineer to configure new CGI and new numbering planning

1st January - 23th December 2004 The Students Association of I.T.C Chief of The Administrative and Relational Office

§ Found funds to the Association

§ External Relationships

I have proficient knowledge of handling the following servers and databases:

• Informix Database Server

• Oracle Database Server

• MS SQL Server



• Sun Solaris

• Linux Redhat

• Suncluster (Server & Systems Management)

• IBM pSeries

• HP blade BL680c

• HACMP cluster (IBM)

• Huawei ATAE

• Ms. Window Server

I have become familiar with the following knowledge area:

• SS7 protocol knowledge

• GSM network architecture

• IN&VAS network architecture

• TCP/IP protocol knowledge

• 3G Network architecture

Technical Skills

Mother tongue: Khmer

Foreign languages: English and French



Ref No: PF

Wednesday, 0 1 st April 2009


This is to confirm that Mr. Piseth Lim Heang holder of PP No. NO41 1388 was employed by Wataniya Telecom Maldives for the period Ogh April 2008 to 25h February 2009. Wataniya Telecom Maldives is a mobile telephone service provider owned by Qatar Telecommunication


During Mr. Piseth Lim Heang's stay with us, he has worked in the capacity of an IN Engineer in Technical Department. Mr. Piseth Lim Heang left the Company on his own request. Written in Wataniya Telecom Maldives, Hulhumale', North Male' Atoll, K. Atoll, Republic of Maldives.

Mohamed Shahid

Senior Manager Human Resources

Wsteniya Telecom Maldives Pvt Ltd is a private company limiied by shares it-wpmted under and in acowdance with Law No: 10198 of the Republic of Maldives, and whose registered office is located at 2"6 Floor, HDC, Building. Hulhumaie', Male', PO Box: 2196. Republic of Maldii and which is rsgistered with the Ministry of Ecomlc Development

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