Hank Huang
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Hank Huang

VoIP Consultant/Infrastructure Architect


San Diego, United States


I am specialized in voice and data integration. Established monitoring platform for data centers with Nagios based tools. Integrate with graphs to collect historical metrics and application performances. Provide an easy to use interface for both the engineers and the infrastructure managers. I have experiences managing hundreds of Linux servers in large scale with a mixed environment of physical and virtual servers. Utilizing configuration management tools like Puppet, monitoring platform OMD (Nagios + Check_MK + Pnp4Nagios), and continues integration to ensure the highest quality service provided. List of my skills: DevOps Integration: Open Monitoring Distribution, Nagios, Check_MK, Puppet, Jenkins, Selenium WebDriver, PhantomJS, ... moreSikuli automation VoIP: Asterisk, A2Billing, FreePBX, Trixbox, Elastix, PBX in a Flash, FreeSWITCH, Plivo, OpenSIPS, SwitchVox IP phones: Astra, Polycom, Linksys, Grandstream, Snom, Cisco, Yealink System Admin: RedHat Linux, CentOS Linux, Debian Linux, Ubuntu Linux, VPN, DNS, High Availability Open Source Server: Zimbra communication Suite, Redmine Project Management,Deki Wiki, OpenVZ virtualization, KVM virtualization Cloud Service: Amazon EC2, Amazon S3, VPS.NET, Linode, Racksapce, Digital Ocean less

Hank Huang has added 3 portfolio pieces. Create an account to review them.

Work History and Feedback

  • Jan 2013 - Jul 2014

    Asterisk help

    No feedback given

    4 hours
    $44.44 / hr
    $155.54 earned

  • Oct 2012 - Nov 2012

    Asterisk/FreePBX issues
    0 hour
    $44.44 / hr
    $14.67 earned

  • Mar 2012 - Jun 2012

    Asterisk/PBX consultation, setup, maintenance
    He knew his VoIP and implemented a number of different solutions for me to try out. He was very flexible and understanding as I asked for changes. His used his billed hours efficiently. I'd recommend him for VoIP work.
    5 hours
    $44.44 / hr
    $222.20 earned

  • Mar 2012 - Jun 2012

    VoIP Reseller Interface Vitelity
    Budget postponed
    7 hours
    $44.44 / hr
    $318.63 earned

  • Jul 2011 - Jan 2012

    Asterisk expert for new PBX system setup

    No feedback given

    5 hours
    $44.44 / hr
    $222.20 earned

  • Sep 2011 - Dec 2011

    IP-PBX Customization
    It was great working with Henry. I will definitely contact him if I need any additional support.
    14 hours
    $44.44 / hr
    $607.49 earned

  • View More (7)

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Name Score (out of 5) Time to Complete
Voice Over IP Test 3.75 Top 10% 24 mins
Upwork Readiness Test for Independent Contractors and Company Managers 4.40 Above Average 24 mins

Work History

100% Job Success
399 hours worked
40 jobs


Less than 30 hrs/week

Associated with

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UniC Solution
249 hours

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