Linux SystemsEngineer

IRIS JIERONG ZHENG

**** ********* **, ******, ** 91789

adcljt@r.postjobfree.com 626-***-****

linkedin.com/in/jierong-zheng-5374aa197/

SUMMARY:

* ***** ** ********** ** the Linux system and monitoring applications like Zabbix, Grafana at a global scale. Advanced knowledge of networking and open-source platforms. Monitoring over 1000 devices in global nodes across Dell, Juniper, Huawei and Cisco switch/routers and over 60 server systems. SKILLS:

Systems Technology

- Windows, Mac, Ubuntu, CentOS, Red Hat Linux, Amazon EC2

- Nginx, Apache, Haproxy, Tomcat, DNS, MySQL, Firewall, CDN

- Zabbix, Alerta, Grafana, Prometheus, Nagios, Cacti, Smokeping

- ELK, Splunk, Ansible, Docker, VMware, Python

- Confluence, Jira, Git

- OSPF, ACL, SNMP, SSH, TELNET, VLAN,Ethernet

- Customer Service, Troubleshooting

Languages

- English, Mandarin Chinese

EXPERIENCE:

Zenlayer Apr2017 – Jan2019

Senior Network Monitoring Engineer Shanghai, China

- Architect monitoring platforms such as Zabbix, Alerta, Grafana, Smokeping.

- Monitor global network switch/router status, all nodes traffic, and network quality.

- Set threshold for traffic, device status, and network quality according to the current situation and notify the networking team to make adjustments.

- Troubleshoot, performance tuning and security hardening for monitoring platforms.

- Use Ansible to automate, configure, and upgrade over sixty server systems.

- Backup, optimize, upgrade database.

- Provide monthly traffic reports across global network footprint for further analysis and action.

- Track record of practical problem solving on Confluence. Jinke Inc Apr2016 – Apr2017

Site Reliability Engineer Shanghai, China

- Architect and maintain all websites of the company.

- Document processes for existing and scaling systems.

- Monitor and support production applications.

- Maintain and manage the company email system.

- Build, administer, and troubleshoot all mission critical environments.

- Maintain Git repositories for developers.

Zenlayer Jul2014 – Mar2016

Network Operations Center Engineer Shanghai, China

- Acknowledge customer issues and resolve their problems quickly and efficiently.

- Troubleshoot/fix system/network issues.

- Plan and execute cutovers to optimize network environments.

- Assist teams to deliver solutions for customers.

- Install and configure Linux systems for customers.

- Maintain and update the Cacti and Nagios system.

- Virtualize physical servers and manage them via VMware tools.

- Working with enterprise hardware vendors to fix server, networking devices problems.

- Document customer tickets into a knowledge base for internal workflows. Got married and transitioned to the Status Feb2019 – Current EDUCATION:

- Huazhong University of Science and Technology; Computer Science, Jul2015 CERTIFICATE:

- Red Hat Certified Engineer (RHCE), Jul2015

- Microsoft Certified Professional, Mar2014

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