Sandy Lim Email & Phone Number

Provided software and hardware support to AI development team in Voice Recognition Ordering Systems for McDonald Corp. Provided onboarding and offboarding services to employees with Slack, Confluence/Jira, GitHub, Box, Beeline, and AWS access.Created Linux Ubuntu servers with different versions of Ubuntu images and configured user home directory with Ecryptfs. Configured network access and also trained users with application access.Supported Hardware/Software configuration on Lenovo p620 Thinkstations and System76 Thelio Major machines.Supported computer labs with network and server hardware and maintain inventory on all equipment.

Provided Datacenter support for all PSG Server farms and Netbatch jobs for Chipset design and validation engineers. Responsible for Hardware/Software maintenance and OS installation on Window Server 2016, Red Hat, CentOS, Ubuntu, SUSE systems. Provided system patching, security and vulnerability support (log4j, pwnkit).Troubleshot complex technical problems on engineering infrastructure crossing multiple disciplines such as SAN, NAS, LDAP, DNS, and NIS.Performed server migration from legacy to PICE VNC using cobbler and migrate VLAN subnet from legacy subnet to PICE subnet on Dell and HP hardware.Supported KVM and VM creation and migration on CentOS and SUSE platforms. Participate in large scale datacenter move which involved reconfigure all Servers with new IP subnets and hostname changes.

Performed companywide Vulnerabilities Management on all computing systems. Using tools such as Qualys, BigFix on weekly schedule to effectively reduced the security risks on various computing systems. Also performed manual system patches on Windows, Linux, AIX, HPUX, Solaris, and Ubuntu systems.Helped drove down the security vulnerability management index, and reduce security risk from high to companywide acceptable index on thousands of servers on a weekly basis in production environment.

Performed major data center wide disaster system recovery of production servers on selected data centers all over the country.Performed data recovery of midrange mission critical AT&T applications across multiple datacenters using backup tools Netbackup/Avamar and system utilities kickstart/ignite/jumpstart/pxeboot.Configured OS kernel and database parameters to support large Oracle DB/Vtiers and worked with database administrators and application developers to ensure all levels of recovered production systems were functioning seamlessly.Developed UNIX shell scripts to automate system recovery tasks and integrated shell scripts with IBM automation software TPM workflow Orchestration.Created LINUX/Windows VM servers using VMware vCenter/ESXi Servers with vSphere clients for disaster recovery of production servers. Created scripts to integrate deployment of VMs using the TPM workflow Orchestration.

Received Intel’s Division Recognition Award for outstanding contribution to the product development of the Merced project (Itanium) and its release.Acted as team lead and the escalation contact for resolving critical hardware issues; conducted weekly meetings with support groups to obtain Software/Hardware fixes or update on outstanding File Server issues and maintaining over 50 large file servers with large disk farms.Authored white papers, documented all system changes, and wrote fact sheets for systems engineering, technical support, and design architects groups.

Solely responsible for upgrading all HPUX and UNIX servers and configured system disk layout, kernel parameters, logical volumes, swap allocation, and raw database structures to provide new functionalities.Maintained ISDN connection to Citibank global information network, administered Cisco routers and switches on four network segments, and monitored network traffic with HP OpenView, Netstat, Snoop, Traceroute, and Sniffer.

Setup and maintained UNIX workstations and servers, Created File Systems and setup network connections, monitored and troubleshot network hardware and software performance problems, installed and configured HPUX and SUN workstations.Installed, configured and administered companywide UNIX and Uniplex email Serversthat connected to DHL Worldwide Network infrastructure.