Lead Technical Support Engineer
- Testing software to be released via terraform, ansible on AWS could.
- Support ecosystem for node running issue and developmet on Casper Blockchain.
Jh Sun
Software engineer
Contact Info
- jiu.hong.sun@gmail.com
- jiu-hong.github.io/myportfolio
- www.linkedin.com/me
- Liaoning, China
Education
-
2004-2007
Master Degree in Computer Science
Dalian Jiaotong University
-
1999-2003
Bachelor Degree in Compputer Science
Dalian Jiaotong University
Language
- Chinese
- English
Experience
2024-Present
Casperlabs
2021-2024
Casperlabs
Level 3 Technical Support
- Technical support for BSN private network from launching new blockchain to developing on blockchain.
- Support technical stuff for Hackathon Casper project which got a great success and got great feedback for support work from both participants and team!
- Trouble shooting and write code demo for Smart Contract by Rust, JavaScript SDK, Python SDK ,Golang SDK, Java SDK and Bash script.
- Technical support for node running blockchain on Ubuntu and applications built on casper blockchain.
2015-2020
IBM
Technical Support Engineer
- Communicating with customers(in US, Europe, Australia and Asia)directly by call, slack and cases. Besides communicating I also analyzed docs(dumps, logs and other docs) technically then provide solutions to customers.
- Resolved problems happened on CICS on z/OS and CICS on Linux , improved operations and provided exceptional client support. Received several Perfect 10 Survey feedback.
- Increased customer satisfaction by resolving CICS issues and application issues happened on CICS.
- Worked with customers who are running programs on CICS to understand needs and provide suggestion on CICS usage.
2013-2015
IBM
Project Manager
- Developed and initiated projects, including managing costs, schedule and performance
- Oversaw projects for IBM by planning, designing and scheduling
2007-2013
IBM
Application developer
- Developed and implemented personalized client solutions using COBOL,PL/I , JCL and bash programming language expertise
- Worked closely with other team members in such tasks as troubleshooting and debugging.
- Mentored team of 3 application developers through effective communication and active listening.
- Utilized such technologies as COBOL and PL/I to develop new applications.
- Provided code maintenance and system upgrades to maximize performance.
- Collaborated with engineers, system analysts, and programmers regarding project capabilities and limitations to deliver optimal functionality.
- Participated with clients in discussion meetings.
- Resolved system test and validation problems to provide normal program functioning.
- Participated in design and planning exercises for future software rollouts.
- Developed and created software applications for z/OS system and Linux system.