Jingdong Sun

Responsible for the design and implementation of the ACI network architecture upgrade plan for the medical group;

Leading the major network project changes of some foreign companies, including detailed network design and implementation plans;

Implemented Technologies:

Python

OSPF, MSTP, vPC, HSRP, QoS, LACP, IP SLA, SNMP, TACACS/RADIUS, NTP etc.

Network Security (Cisco Firepower)

Part of the network project delivery team to plan and implement changes in a dynamic and demanding Financial environment that requires working with different IT infrastructure teams to push the big ship forward and keeping everyone entertained without hitting the ice burg.

Deployment and maintenance of Huoshan Feilian Enterprise Remote Access Solution;

Lead the design and implementation of the ACI active-active data center network construction project of China Asset Management Co., Ltd.,Ensure solutions meet best practices;

Participated in the design and on-site implementation of the Indonesia PT AMMAN MINERAL INDUSTRI Network Construction Project

Yingda Asset Management Co., Ltd. Onsite Network Engineer

Responsible for the planning, design, and implementation of Party A's network projects.

Conducted regular inspections of the data center and provided timely technical support for network, storage, servers, video conferencing systems, terminals, business changes, and new service deployments.

Configured, debugged, and maintained network infrastructure devices including routers, switches, firewalls, Hyper-converged infrastructure, IPS, IDS, WAF, Gatekeeper, and vulnerability scanning systems to ensure secure and stable operations.

Participated in network security tasks such as vulnerability scanning, intrusion detection, policy maintenance for data diodes and firewalls, NAT configuration, employee network access control, and network resource allocation.

Assisted Party A with system upgrades, changes, and troubleshooting; maintained operational documentation and regularly optimized system environments (resources, alerts, failures, backups).

Deployed and maintained virtualization clusters, as well as Linux and Windows servers within the clusters.

Lead team members in delivering client-centered services with excellence, earning high recognition from Party A.

IDC room hosting equipment maintenance (server installation, hardware upgrade, VMWare system installation, switch and firewall configuration);

Company network maintenance, switch VLAN division, router and switch configuration debugging, office computer, printer and other maintenance;

Alabama Cloud, Tencent Cloud server and database server installation, deployment, project day and night operation and maintenance;

Linux system management and server software installation and debugging, MySQL database backup and recovery;

Assist the company's computer platform operation, ERP system operation and other work.