Zhang Huangbin - Linux/BSD Mail Server Solution Expert, Freelancer.

IT Specialist at IBM



Work category

IT and Technology


Higher Diploma

Profile Activity

* I’m author of iRedMail open source mail server solution project, which starts from 11/2007: http://www.iredmail.org/. It’s wrote in Bash shell script, postfix based mail server solution.

* Experienced in Python programming language, web development with web.py framework and Jinja2 template engine, MySQL/SQLite. Familiar with CSS/XHTML. Exist projects: open source edition and commerical edition of iRedAdmin (web-based mail server admin panel): http://www.iredmail.org/admin_demo.html

* Experienced in OpenLDAP and LDAP based user authentication. e.g. Linux/BSD system account authentication (SSH, Samba, FTP, etc), mail server account authentication (Postfix + OpenLDAP or Postfix + Microsoft Active Directory).

* Strong skill in Unix Bash/Ksh shell scripting.

* Certified RHCE (Red Hat Certified Engineer) from 2006.

Zhang Huangbin's Professional Experience

2008 - 2011

IBM - IT Specialist

* Transfered to a world-wide team in 04/2010.

* Maintain Linux and Windows servers, includes physical hardware and Xen virtualization, Red Hat and SuSE Enterprise Linux. Build servers for setting up IBM products, includes WebSphere, Sametime, DB2.

* Ensure server high availability, performance and security.

* Server backup and recovery with TSM (Tivoli Storage Manager).

* Server monitoring and performance tuning.

Key Skills
db2 IBM Linux SUSE TSM Websphere
2006 - 2007

Kerysmart - Red Hat Certified Instructor

* Work as a popular Red Hat Certified Instructor (RHCI), teach courses of official RHCE (Red Hat Certified Engineer) courses. It covers elementary operations, system administrations, network services and security management.

* Strong abilities in Red Hat products. Provide solutions based on Red Hat Enterprise Linux, includes Cluster Suite (High-Availability, Fail-Over, Global File System), Xen virtualization.

Key Skills
Engineer Linux
2005 - 2006

Skybility - Technical Support Engineer

* SuSE Enterprise Linux customer support. Help customers solve problems through all kinds of ways, e.g. email, phone and on-site support.

* Certified as RHCE (Red Hat Certified Engineer). Experienced in diagnosing linux server problems.

* Strong knowledge of linux-based High-Availability service. Installing, configuring HA product for customers.

* Experienced in IBM server hardware, especially xSeries.

Key Skills
customer support Engineer IBM Linux SUSE

Zhang Huangbin's Education and Qualifications


Higher Diploma - Diploma, Computer Networking Technology

Guilin University of Electronic Technology

Zhang Huangbin's Additional Information


Open Source, Python, Linux, Mail Server, Mac, Fishing


Certified RHCE (Red Hat Certificated Engineer) since 2006.