Sr. Engineer SIP

This individual will be a lead member of the Technical Operations organization supporting the End to End Service Desk with a focus on SIP Architecture, as well as other CDV Supporting Service Desks. This position directly supports Comcast's residential and commercial IP voice systems. This involves the full range of activities necessary to deliver IP voice services, on an end-to-end basis, from working with vendors, implementing new systems and network designs, deploying new systems and software, performing day-to-day systems administration and operations activities, building or integrating reporting, monitoring, and analytics, etc.

MAJOR DUTIES

? Function as an advanced Technical SME and engineering level point of escalation and support for various Comcast internal groups.
? Key member of the team responsible for the day-to-day, 24x7x365 design, configuration, maintenance, administration, and operations of our IP voice systems and CDV tools.
? Participate in all efforts associated with the Unix System Administration, Oracle databases of IP Systems and CDV tools (design, configuration, performance analysis, optimization, standardization, monitoring, and day to day operations).
? Assist in the Operations Readiness Acceptance of on-going capacity augmentations (new server deployment, etc.).
? Prioritize critical issues, resources, patches, loads, etc and proactively update patches and drivers.
? Perform Solaris and Red Hat Linux OS upgrades.
? Perform application software upgrades, including Veritas Cluster Server, Oracle, CGI Communication Application Servers, ACME Packet SBC and SRP, and Titan NetNumber ENUM
? Maintenance of various Sun SAN systems.
? Develop, execute and implement operations/ surveillance practices to support a carrier class network with a VoIP fabric.
? Maintain systems in two geographically-diverse datacenters.
? Support the day-to-day migration to a new modular architecture in early 2008, and support the day-to-day migration to a new datacenter in late 2008.
? Participate directly in testing on an as-needed basis to prepare for system upgrades and perform troubleshooting or other work.
? Provide review and input to new technical requirements.
? Proactive identification and resolution of complex technical and operational issues.
? Lead and manage Hardware and Software vendors to resolve service issues.
? Identify opportunities and drive necessary enhancements into the products/platforms to improve the production environment and to stabilize immature technology.
? Perform troubleshooting and lead problem resolution activities with other support teams (e.g. Product Engineering, network support, vendors), and produce Root Cause Analysis findings that focus on recommendations to learn from and avoid outage recurrence.

Required Skills:
Bachelor's degree in Electrical or Computer engineering or related technical field; or 10+ years equivalent in work or military experience
? Demonstrated ability to deliver the items listed in the major duties section.
? At least 10 years experience with UNIX and Linux System Administration (such as RedHat and Sun Solaris) is required.
? At least 10 years experience with Software Development including C, Shell/PERL scripting, etc.
? At least 5 years experience with web, messaging, or other IP applications is required.
? At least 5 years experience with web servers such as Apache, JBoss, or BEA WebLogic is required.
? At least 5 years experience with IP Networking (e.g., TCP/IP, DNS, DHCP, NAT).
? At least 3 years experience with storage area networks. Direct experience with Brocade and EMC is a plus.
? At least 3 years experience with Java, JavaScript, XML, and directory structures is required.
? Demonstrated understanding of the software development life cycle and agile development is required.
? Knowledge and experience with VoIP technology and standards (e.g., SIP, IMS, etc.), as well as messaging technologies is a plus.
? Experience with SIP Route Proxies and Session Border Controllers a plus.
? Experience with CGI, SIP Triggers, or VoIP Feature Application Servers a plus.
? Punctual, regular, and consistent attendance.
? Excellent written and verbal communication skills are required.
? Demonstrated ability to work effectively across organizational boundaries.
? Demonstrated ability to act as work effectively with 3rd party technology vendors.
? Able to adapt to Network Event needs in terms of availability, accessibility, and 7/24 environment.
? Demonstrated ability to work with minimum direction.
? Strong, independent problem solving skills; must be self-directed and able to work as a team leader/follower.