Irvan Tambunan Email & Phone Number

Jakarta Metropolitan Area

Transferred from Garena to Seamoney to support new digital banking activities at Bank Seabank Indonesia (formerly known as Bank Kesejahteraan Ekonomi - BKE).Take care of network and security devices as follows:Cisco (N9K, N7K), Huawei (CE12000, CE8800, CE6800, NE40E series), Palo Alto (3200, 800 series), and Fortigate (1100, 100 series).

Jakarta Metropolitan Area

Garena is a online game developer and publisher headquartered in Singapore. Garena was founded in 2009 by Forrest Li, and is the Digital Entertainment Business under the parent company Sea Limited, which was formerly called Garena.

Greater Jakarta Area, Indonesia

Network Release Engineer with Notable Accomplishments:• Developed and Implemented in a active/active architecture project, on datacenter and application level to deliver Continuous Availability• Performed network and application assessments covering best practices and recommendations before production phase• Project successful and to the clients satisfaction• Doing random stuff related IT Network and SecurityProject List• Active/Active Datacenter and Application – F5 (Big-IP DNS, Big-IP LTM), Infoblox• DNS (Domain Name System) Re-engineering – Infoblox• Refreshment of Branch Router with VRRP – Cisco, Huawei (AR160)

Datacraft combines an expertise in networking, security, data centre, storage, Microsoft solutions and converged communications & contact centre technologies, with advanced skills in consulting, integration, training and managed services to craft IT solutions for businesses.PT XL Axiata1. Dealing with SS7 protocol suite and Cisco IP Transfer Point (ITP)PT Bank Mandiri1. Assisting IT operation department in day-to-day activities such as manage LAN, WAN and Voice area, internal and external network meetings, as well as prepare consultancy related network technology.2. Working with Service and Aplication Banking Team such as Internet Banking, AS-400, ATM-TANDEM, SMS Banking, Mobile Banking, EDC, etc3. Preparing network diagram and documentation, as well as montly report for health checking network4. Delivering best practice configurations in router & switch, firewall, and IP Telephony system5. Performing software bug scrubs and network complex problem6. Engage closely with a customer to design and develop solution to fulfill customer needs by understanding the customer challenges and architecturesPT Bank Central Asia1. Assisting Departemen Teknologi Informasi in day-to-day activities, not limited to Routing and Switching, but also Security Area2. Managing and operating related technology, such as Wireless (Cisco WLC), Load Balancing (Cisco ACE), and Security Policy/Control Management (Cisco ISE)3. Supporting all project (IT or non-IT) that overlaps with Network Infrastructure4. Doing Network Documentation and Reporting

Eluon is an Telco Solution Company that has been deployed solutions in many countries. Our solutions are ranging from Core Network Solution (HLR, IRG, etc), VAS Solution (VMS, RBT, etc), Service Solutions, and Convergence Solutions.1. Doing installation machine from scratch situation2. Documenting procedure of maintenance and troubleshooting system3. Doing level 2/3 support and maintenance of existing solution in Indonesia, such as Telephony Server Module (IP Player), Database, Subscriber Control Profile, and Content Management System4. Integrating RBT system with another Network Element, like STP, MSS, IP Backbone5. Troubleshooting existing live solution in subscriber’s production environment6. Doing acceptance test (UAT) with customer for new solutions7. Report to Project Manager

I worked as Verification Test Engineer for online charging, convergent charging, and business supporting systems (based on IN and NGN application servers). In the team, i also did work with Nokia Siemens Networks (NSN) engineer and their equipment1. Defining and documenting all requirements to execute the tests, such as test bed environments, hardware, and simulators2. Testing and verifying system based on requirement specification3. Performing acceptance test (UAT) and regression test with vendor and operator for new system and service4. Doing trace analysis and troubleshooting based upon the issue/problem (CCC_CAP and CCC_USER)5. Handling Siemens IN@vantage, Charge@once platform operation (PLATOP) and operational, administration, maintenance (OAM)6. Doing bring-up service and installation machine from scratch situation

1. Managing of Domain Name System (DNS) ITB with BIND2. Installations and maintenance FreeBSD-based server3. Troubleshooting server and updating system with new patch4. Technical support service for Asian Internet Interconection Intiative (AI3) internet users

1. Studying company services2. Creating concept and design about video conference

1. Deploying network for video conference2. Held video conference session3. Operating video conference tool, such as MCU Tanberg and Polycom

Bachelor, Electrical Engineering

Activities and Societies: Amateur Radio Club (ARC) ITB as Senior Trainer: 1. Creating Learning Design 2. Conduct, monitoring.

High School, Science