Gary Lim Email & Phone Number

Englewood, Co, Us

Seattle, Wa, Us

San Francisco, California, Us

Optical Network Architecture:• Standardize Point-to-Point Optical Network Design based on span loss and system redundancy.• Introduce ROADM-based ring network for Metro Area Networks.• Presentation to stake holders on proposed new optical network design and optical network augments based on network design costs, advantages, requirements, risk mitigation of new technology/design.Standardized Optical Network Documentation for:• New optical network deployment including optical budget calculation.• Field deployment checklist with field updates.• New network configuration updates and field procedures.• DWDM Optical Network Requirements.Written Python scripts to:• Generate standard configuration for DCI Optical Transponders and Optical Line System (OLS) deployment.• Automate configuration changes on DCI Optical Transponders and OLS.• Automate data collection through DCI Optical Transponder RestAPI.Written and provided Optical Network Training and Runbooks for:• Optical Network Deployment.• Optical Network Troubleshooting including use of OTDR / OSA / Fiber Scopes.• Practical Guide to Optical Networks.Setup point-to-point OLS and ROADM Optical Lab for:• Certification testing of new DWDM components and optical network designs.• Regression testing of new software releases.• Design reference of field deployed optical networks.• Use by NRE and DC Operation engineers for training and generating what-if scenarios.• Testing Python script automation before field release.

Stamford, Connecticut, Us

• Defining DWDM architecture for Charter's National Dark Fiber Optical Network and Metro Area Networks.• Technical author of Charter's National Dark Fiber Optical Network RFP based on 17.6 Terabit/s per fiber pair requirement. • Provided engineering support and recommendation to stakeholders for dark fiber DWDM vendor selection. Supported Circuit Operations on project rollout and network baseline.• Developed Metro Area Network migration strategy from 10-Gig 40-Channel to 100-Gig 40-Channel and 96-Channel DWDM systems with support for existing traffic demands.• Developed test criteria and procedures for evaluation of ROADM and optical amplifiers network elements. • Developing Python network automation scripts for configuration management of optical network nodes through TL1 and Telnet or SSH interface.• Developed and taught Optical Communications Foundation course to Charter Network Operations Team.

Hauppauge, Ny, Us

Capacity and network infrastructure management of Globecomm’s International Fiber Network – OC-48/STM-16 protected ring network connecting 11 satellite teleports and 9 carrier-hotels across US East, Europe, the Atlantic, Pacific and Middle East.o Service startup and lead network engineer for fiber network.o Design and upgrade Atlantic Ring to STM-64.o Structured vendor selection process of hardware and bandwidth services.o Responsible for negotiating OC-x/STM-x bandwidth, dark fiber, carrier-neutral hotel and IP Transit leases.o Continuous cycle of reviewing network requirements and operational characteristics with service owners, operations team and management. o Analysis and formatting of network traffic statistics into reports for service-owners, network operations and management for timely network expansion decisions.o Forecasting network capacity for mid/long term requirements with provisions for emergency bandwidth utilization.Lead Engineer for Globecomm’s WDM Network.o Designed/deployed Globecomm's New York WDM ring.o Specification of ROADM-based 100-Gig OTN ring for New York, Ashburn VA, Washington, Laurel MD. o Responsible for RFI and RFP procurement process.Lead Engineer for Globecomm’s Internet Gateway and IP Peering.o Successful application to APNIC for Globecomm's Asia Gateway BGP AS 38056 and /17 IP address allocation.o Selection and negotiated Globecomm's IP Transit carriers for New York, Amsterdam, Frankfurt and Hong Kong.o Working with AMS-IX, DE-CIX and HK-IX for Globecomm's Public Peering.Capacity and service management of Globecomm’s International Voice Service connecting three international customers via satellite links and five international tier-1 voice carriers.o Lead network designer for international voice network.o Management of voice capacity with Tier-1 voice carriers.o Responsible for service application of FCC 214 license and SS7 Point Codes.

Msc, Optoelectronic Systems

Beng, Electrical And Electronic Engineering