Employment Status: Full-Time RegularEnd Date: Open until filledResponsibilities- Delivery of support and service in the IP network and voice service- Operating and maintenance calling card voice switch- Design and delivery of UC service for Small business- Provisioning SIP and ISDN- Participates in engineering investigations to troubleshoot, and provide recommendations for implementing solutions to operational issuesRequirements- College degree in Electrical Engineering or equivalent related work.- At least 3-year of carrier experience (mandatory)- Demonstrated knowledge of IP networking- Demonstrated knowledge of calling card business and DIDs circuits- Demonstrated knowledge of H323, sip ISDN and related protocols- Demonstrable experience with Operational Technologies is strongly desired- Strong troubleshooting and customer relations skills- Strong analytical skills- Solid interpersonal skills to work with management, sales, and engineering personnel at all levels- Ability to work independently using common sense and sound technical judgment to complete assignments in a timely manner.- Demonstrated ability to communicate effectively both verbally and in writing- Fluency in both English and Mandarin/Cantonese will be an asset