Yiwei Shih
Castro Valley,CA
Summary
Seasoned IT professional with 12 years of experience specializing in 24/7/365 on-prem private cloud environments. Comprehensive expertise across all layers of the OSI model, with a strong focus on infrastructure design, Unix-like operating systems, and open-source technologies. Skilled in automating administrative tasks and integrating diverse tools to implement best practices. A fast learner and innovative problem solver who thrives in dynamic environments and consistently embraces emerging technologies to drive innovation and efficiency.
Certification: CKA, CCNA, CCNP R&S, CCNP Enterprise, RHCSA 7, RHCE 7, ITIL V3, Aruba ACMP
Overview
13
13
years of professional experience
Work History
Sr Staff Engineer, IT & Cloud Infrastructure
Latticework Inc
04.2024 - Current
- Joined AI startup company, reporting directly to CEO and IT Director, mentoring junior members, and leading IT transformation specifically focused on private cloud infrastructure
- Redesigned global network infrastructure, including 1 colocation facility, 7 offices, and 2 bare metal cloud environments
- Design migration plan to move over 500 VMs from (VMware + NetApp) to (Proxmox + Ceph) without any downtime and implement OpenStack for internal testing (POC stage)
- Coordinated with multiple vendors to introduce knowledge base, ticketing, and SSO solutions.
Manager, DevOps
Finicast Inc
11.2021 - 04.2024
- Led global team and managed vendors for DevSecOps tasks at FP&A SaaS startup. Expanded infrastructure to Equinix, AWS, and IBM Cloud, managing 38 bare metal servers hosting 300+ instances while facilitating service containerization and ensuring cost-effective, compliant solutions.
- Implemented Jenkins architecture, reducing pre-merge approval time from 4.5 hours to 43 minutes. Optimized deployment time using Jenkins and Ansible, cutting deployment from 30 minutes per client to 25 minutes for all clients.
- Defined RTO/RPO, managed change control, and oversaw vulnerability management to meet compliance standards (SOC 2 Type II, ISO 27001, GDPR, HIPAA). Integrated several tools such as JIRA, status page, Opsgenie, Ansible, and Jenkins for incident response, achieving a 99.5% SLA, and hosted monthly incident postmortem reports for the executive team.
Senior IT Infrastructure Engineer
Panasonic North America
02.2021 - 11.2021
- Reported to the IT Director to analyze business requirements and deliver IT infrastructure solutions for the R&D Center.
- Implemented EDR (CrowdStrike), integrated MDM (Prey), and developed PowerShell scripts for data analytics via REST API for 800+ win windows device, while automating daily reports using Slack, ELK, and Datadog.
- Monitored servers, network devices, VMs, and containers using Datadog, Prometheus, and Grafana, while managing network infrastructure (Cisco, UCS, WLC, VMware, NetApp) and automating operations with Ansible and Nornir.
- Built an on-prem Kubernetes cluster from scratch, including low-level networking design (VXLAN, BGP EVPN), and collaborated on testing containerized services.
Senior Network Engineer
Bigo Technology
05.2020 - 02.2021
- Worked in the global network team of a fast-growing live streaming company, connecting over 500M MAU across 100+ IDCs and POPs worldwide
- Built 4 additional IDCs (200+ 48U racks) in the U.S. from scratch (EQ, DRT, Vantage, CoreSite), including low-level and high-level network design, and migration planning for 2 legacy IDCs and 3 POPs. Led and supervised 50+ NOC technicians to ensure correct installation and wiring (CLOS, MC-LAG, LACP, VxLAN, BGP EVPN, Border, Spine, Leaf)
- Coordinated with NOC and remote smart-hand services to maintain over 100 colo and POP worldwide, while managing backbone network connectivity between IDCs across regions using submarine fiber, dark fiber, and Nokia DWDM. Monitored 50+ 100G IP transits globally and worked with IXP providers and Tier 1 ISPs for optimal BGP path selection, utilizing Grafana, Nagios, and private/public peerings.
- Managed internet resources like ASN, prefixes, IRR, and routing policy in ARIN, RIPE, APNIC, RADB, and PeeringDB
- Collaborated across departments to provide network support for projects (LVS, DPDK, anti-DDoS, K8s)
System & Network Administrator
Provident Credit Union
05.2019 - 05.2020
- Worked in the Network Operations Team in the banking industry, reporting to the AVP of Engineering Infrastructure. Provided Tier 2 support and coordinated with ISPs and vendors to ensure connectivity between the headquarters, two DR sites, Azure, and 25 branches.
- Migrated from traditional WAN to SD-WAN using Cisco Viptela and led the cutover from Cisco Nexus 7K to Cisco ACI with a spine-and-leaf architecture.Collaborated with the security team to ensure encrypted traffic (IPSec, DMVPN, GETVPN)
- Monitored network performance using Solarwinds NPM and ManageEngine NetFlow Analyzer
- Managed NAT policies and security rules (PAN-OS) for third-party connections in the DMZ
- Designed and executed DR testing plans
IT System Engineer
Sparqtron Corporation
10.2016 - 05.2019
- Led IT projects and provided Tier 2 support at a contract manufacturing company. Managed network connectivity across the headquarters and six sites, utilizing Nagios and MRTG for monitoring, while implementing Cisco 3850 stacking switches, Cisco ASA firewalls, and Juniper SRX.
- Upgraded data center servers from Microsoft Server 2008 to 2016 and redesigned the Active Directory structure with Group Policy Object (GPO) policies.
- Automated Active Directory tasks through PowerShell scripting and implemented VMware ESXi 6, migrating over 500 VMs from Hyper-V.
- Enhanced storage performance with full 10G link aggregation and established high-availability storage using DRBD on CentOS. Managed disaster recovery plans, ensuring that Recovery Time Objectives (RTO) and Recovery Point Objectives (RPO) targets were consistently met.
IT Engineer
OSE USA Inc
06.2014 - 09.2016
- Redesigned IT infrastructure for US divisions (HQ and two branches) of a global enterprise
- Managed the migration from IBM Lotus Notes to Microsoft Office 365 with AD sync
- Implemented Microsoft Hyper-V 2016 and integrated MES, SAP, and WMS with Citrix MetaFrame to enhance manufacturing productivity
- Designed and managed LAN/WAN infrastructure (Cisco equipment, IPSec VPN, SSL VPN)
- Redesigned server room, including rack layout, cabling, HVAC, UPS, and remote monitoring systems
Network Engineer
National Chung Hsing University
03.2012 - 01.2014
- Managed part-time interns and provided network support for all university departments
- Maintained and upgraded the backbone network (EIGRP, BGP) and led the cutover to Cisco 6509 with VSS
- Managed network equipment: Cisco switches, routers, Fortinet Firewalls
- Migrated wireless infrastructure to Thin APs (Aruba controllers and switches), deploying over 600 APs and monitoring with Aruba AirWave
- Designed authentication processes for 3,000+ users (802.1x, Captive Portal, Clearpass)
- Developed an internal IPAM tool to automate IP management (LAMP + Perl)
Education
Master of Science - Photonics And Communication Engineering
Asia University
Taichung, Taiwan07.2010
Timeline
Sr Staff Engineer, IT & Cloud Infrastructure
Latticework Inc
04.2024 - Current
Manager, DevOps
Finicast Inc
11.2021 - 04.2024
Senior IT Infrastructure Engineer
Panasonic North America
02.2021 - 11.2021
Senior Network Engineer
Bigo Technology
05.2020 - 02.2021
System & Network Administrator
Provident Credit Union
05.2019 - 05.2020
IT System Engineer
Sparqtron Corporation
10.2016 - 05.2019
IT Engineer
OSE USA Inc
06.2014 - 09.2016
Network Engineer
National Chung Hsing University
03.2012 - 01.2014
Master of Science - Photonics And Communication Engineering
Asia University
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