Rui Li

Principal Systems Administrator @ LogMeIn

Role: Staff System Admin (Team Lead) at Citrix
Location: Jersey City, NJ, US
LinkedIn followers: 500 followers

Information TechnologyView LinkedIn profile

Experience

Staff System Admin (Team Lead)
Citrix
Oct 2012 — Present · Jersey City, NJ, US
RHEL 3,4,5,6Advanced scriptingAdvanced performance tuning.(Kernel, user space and application)Low latency and real time Application.Large scale production servers(few thousands physical servers)24/7 production support.Capacity plan and DR design.TCP/IP, UDP Redhat High Availability Cluster.(design, setup)Redhat Storage with Advanced filesystem design and tuning.(RAID, LVM, iSCSI, NFS etc)Postgresql Database administration and design.Puppet and foreman automation. VOIP Technology. AWS (Amazon Cloud)Docker (container) System monitoring with zenoss, raw snmp and develop in house tools.Strong issue resolve skill.Creative thinking and fast learner.Certification:Redhat Certified TechnicianRedhat Certified System AdministratorRedhat Certified Engineer (pass exam with scores 97)Redhat Certified Enterprise Storage and Cluster Management (pass exam with scores 100)Training:Redhat Enterprise Performance TuningAdvanced postgresql database administration (from enterpriseDB)Postgresql performance tuning.Scripting Skill:Bash/Ksh:bash and ksh script for basic system taskPython:(2.x)Multiprocessor, Multithreading, Server Client, Database, Data processing, Automation and more.QT:basic knowledge of using QT for GUI.Team Lead for Citrix Online Audio Ops groupmanage thousands of physical serversexperience with amazon cloud service. Maintain high production uptime. performance evaluation and tuning for all production servers. writing solid code running on live production server 24/7. Develop tools for other teamswrite automation scripts. Provide training for team members. Train \"system admin\" to \"linux expert\"review ops changes, peer review scripts write SOP documentationpostgresql database design with advanced stored procedurepostgreaql administration and performance tuning research, evaluate and implement new technologyworking with provider, software/hardware vendors.

Education

Sichuan University
Bachelor of Science (BS), Electrical and Electronics Engineering

Skills

Perl
Snmp
Red Hat Linux
Solaris
Real Time
High Availability
Xen
Udp
Unit Testing
Database Design
Load Balancing
Rest
Tomcat
Open Source
Postgresql
Linux
Sip
Unix
Linux System Administration
Servers
Storage
Tcp/Ip
Cluster
Dns
Ksh
Redhat
Low Latency
Database Administration
Lvm
Operating Systems
Centos
Zenoss
Databases
Bash
Performance Tuning
Linux Kvm
Shell Scripting
Rhce
Apache
Opensips

Contact information

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Current company

Razorpay

4K employees · Bangalore, Karnataka, India

Power your finance, grow your business. Razorpay is India’s first full-stack financial solutions company. We are on a mission to enhance the payment experience of over 300 million end consumers. And in doing so, we aim to enable Indian businesses - big and small - accept payments digitally with minimal effort and maximum ease. Razorpay has grown from being a payment gateway provider to a solutions-driven organization boasting of an extensive products suite to accept and disburse payments as well as raise capital and park money. In a nutshell, we fit into every nook and corner where your business touches money. #OutgrowOrdinary We identify ourselves as disruptors in the digital payments space and our vision is to power the financial ecosystem for other disruptors. Like attracts like and Razorpay actively looks to partner with established companies and startups that have either broken the glass ceiling in their industry or are set to. The Razorpay Product Suite today comprises verticals, along with Payment Gateway, like Payment Links, Payment Pages, Subscriptions, Smart Collect, Route, Razorpay Capital, RazorpayX, Payroll and Thirdwatch. Razorpay was started in 2014 by two IIT Roorkee alumni, Harshil Mathur and Shashank Kumar. Just a short few years later, Razorpay has evolved into a 800-odd strong organization with some of the best talents in the country helping some of the best companies manage their money movement seamlessly. Certified cool We are a bunch of spirited, ambitious and fun folks. And no, we’re not saying this ourselves--leading institutions have recognized Razorpay for the high trust and high-performance culture that we maintain. Our strength lies in the people we are and we go to great lengths to nurture a family of coders, designers, sellers, marketers, analysts, writers, runners, photographers, gamers, tinkerers, and above all, people who are dreamers and doers at the same time. Be a part of our exciting journey.

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Experience

Staff System Admin (Team Lead)

Education

Sichuan University

Skills

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