Summary
Overview
Work History
Education
Skills
Certification
Languages
Timeline
Generic

Shin Cheng

Piscataway,NJ

Summary

Dynamic Network Architect with extensive experience at Kyndryl, specializing in virtualization technologies and network security. Proven track record in designing multi-tenant architectures and implementing customized solutions. Adept at complex problem-solving and critical thinkingl

Overview

36
36
years of professional experience
1
1
Certification

Work History

Network Architect

Kyndryl
09.2021 - Current
  • Collaborated with cross-functional teams on Ubuntu hypervisor testing for Juniper vsrx, Checkpoint vSEC and F5 VE. Devised integrated setup for architecture validation as well as performance test.
  • Developed customized network solutions to meet the unique needs of clients. Examples include F5 BigIP LTM integrating with HSM for crypto processing of SSL certificate, and iRule composition per client's web or application design.
  • Implemented WAN and LAN designs in multi-datacenter configurations for AGG core migrating out of IBM Cloud to Azure vWAN.
  • Continued effort on Infra consolidation design and implementation, involving re-route portable ip's and/or NAT to minimize touch points necessary.
  • Collaborated with VMWare engineers on NSX-V to NSX-T migration; designed and implemented test lab for development and testing of API scripts to automate the per-tenant migration.
  • Assisted in SEI-Ext clients migration to Cloud in connectivity setup, and used iPerf tool to assess bandwidth available for bulk data transfer.
  • Continued maintenance of SEI-Ext network platform of Cisco ACI and NXOS switches, reducing the infrastructure footprint and management scope as tenants exited.
  • Directed infra firewall migration off Checkpoint VSXGW onto Cisco ASA.
  • Collaborated with AT&T AVPN engineer to consolidate WAN traffic to fewer circuits and managed routers.
  • Provided network/firewall support for various tooling migrations, due to hardware server tech refresh, location exit, moving to or integrated with new components in KPHP, KSTP and MA's Azure/KDM Infra. The effort includes network design, review current configuration on Juniper vsrx and cisco ASA, and on servers then provide detail spec for change tickets to implement.
  • Supported security aduit with updated documentation to maintain accurate records of network configurations, procedures, and policies.
  • Conducted Firewall Rule Revalidation on required interval.
  • Diagnosed network problems involving combination of servers and application communications issues.



Network Architect

IBM
04.2016 - 09.2021
  • Designed and deployed network platform of SEI-STD infrastructure in Softlayer Cloud locations.
  • Designed and deployed network platfor m of SEI-EXT in GTS outsourcing data centers with Cisco ACI and NXOS physical devices connecting hypervisor platform, storage platform and backup/restore platform.
  • Implemented WAN and LAN designs in multi-datacenter configurations, using AT&T MPLS VPN service, Netbond, Softlayer DirectLink.
  • Designed multi-tenant architecture incorporating ACI, VMware NSX and checkpoint virtual firewalls.
  • Provided procedures and build templates to document low level network and load balancing design of a tenant delivery.
  • Collaborated with teams to onboard systems in AT&T IDCs to IBM SEI tools and IBM MSS services.
  • Devised client migration connectivity from AT&T to IBM SEI.
  • Handled space and connectivity setup for "carve-out" clients that need to stay in AT&T IDCs with minimum footprint.
  • Collaborated with decommission team on IDC Exit projects.
  • Led integration with pre-existing CMS 3.x and with Verizon RAM client migration.
  • Planned and implemented network setup for certification lab builds and migrations.
  • Developed network test and validation processes to maintain alignment with solution design for infrastructure and for clients.

Network Engineer

AT&T
07.2002 - 03.2016
  • Developed and deployed 3 generations of multi-tenant factory architecture , utilizing Cisco multi-services routers and switches, Brick and Juniper firewalls, Alteon and F5 load balancers.
  • Participated in the Cloud as a Service development, deployment, and steady-state support.
  • Collaborated with peer teams on 20 IDC's backend network architecture evolvement for technology refresh and for augmentation of LAN/WAN capacity and resiliency to support expanded management services.
  • Assisted with continuous development, deployment and steady-state support for various management service tools on data collection, data processing, and report presentation through integration with the common AT&T Business Direct portal.
  • Collaborated with GCSC teams on extending managed hosting capabilities, such as server management, application loadbalancing, enhanced multi-service monitoring and reporting, into outsourcing customer space. Handled several custom designs through GCSC DMZ interconnect to enable connectivity with customer's premise data centers.
  • Led the MSRA (Managed Service Reporting Architecture) development, deployment and steady state support which included technology refresh and redesign to replace L2 Lucent Brick firewalls with L3 Juniper SRX firewalls, and Alteon based loadblancing for applications such as ColdFusion, BusinessObject, TomCat, and Apache mod-proxy. Backend services included BladeLogic and Oracle with DataGuard.

Infrastructure Engineer

AT&T
09.1995 - 06.2002
  • Maintained in-house developed data backup and restore software in C language, continuous development and testing of new tape drives and tape media, and new feature for Oracle hotbackup.
  • Participated in the enterprise PKI development, took part in netscape NSAPI programming in C language with crypto library to examine server and client certificate in the https request.
  • Handled a few projects written in Perl language, in TCL scripts, in server-side-javascript, for programs to do inventory processing, to do web presentation of report files in collapsible hierarchical view, to do total work time calculation from various time-stamps of ticket records, etc.


Software Developer

AT&T
09.1993 - 08.1995
  • Developed Tuxedo middleware programs interfacing with Oracle DB of sales and marketing database for name string matching.
  • Developed make file for new code to incorporate with main line build for daily unit test run, and for system test build.
  • Improved software efficiency by troubleshooting and resolving coding issues.
  • Saved time and resources by identifying and fixing bugs before product deployment.
  • Assessed remote access VPN solution.

Technical Support Engineer

AT&T
04.1989 - 08.1993
  • Served as an tier-3 technical support frontline supporting data center unix administrators for technical inquiries and problems, demonstrating expertise in certified communication product knowledge and problem-solving abilities.
  • Collaborated with cross-functional teams to troubleshoot for respective mid-range unix platform or for communication products.
  • Managed multiple concurrent support cases with precision and focus, resulting in a high rate of case closure within target timeline
  • Collaborated with developers of in-house developed software, aided by examining extensive troubleshooting information to help developers identify the problem area.

Education

Electrical Engineering

Rutgers University
New Brunswick, NJ
06-1987

Skills

  • Virtualization technologies
  • Network security
  • Load balancing
  • Network design
  • Firewall configuration
  • Certified network professional
  • Critical thinking
  • Complex Problem-solving

Certification

  • AWS Certified Advanced Networking - Specialty (ANS)
  • GCP Professional Cloud Network Engineer-CNE under Training
  • Badge - Exploring SAP Business Technology Platform

Languages

English
Full Professional
Chinese (Mandarin)
Native or Bilingual
Chinese (Cantonese)
Limited Working

Timeline

Network Architect

Kyndryl
09.2021 - Current

Network Architect

IBM
04.2016 - 09.2021

Network Engineer

AT&T
07.2002 - 03.2016

Infrastructure Engineer

AT&T
09.1995 - 06.2002

Software Developer

AT&T
09.1993 - 08.1995

Technical Support Engineer

AT&T
04.1989 - 08.1993

Electrical Engineering

Rutgers University

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