Network Engineer Technical Specialist


Vencore is a proven provider of information solutions, engineering and analytics for the U.S. Government. With more than 40 years of experience working in the defense, civilian and intelligence communities, Vencore designs, develops and delivers high impact, mission-critical services and solutions to overcome its customers most complex problems.

Headquartered in Chantilly, Virginia, Vencore employs 3,800 engineers, analysts, IT specialists and other professionals who strive to be the best at everything they do.

Vencore is an AA/EEO Employer - Minorities/Women/Veterans/Disabled


This position will be a senior role in part of a team of network engineers operating in a converged IP environment who are responsible for the design, implementation, enhancement, optimization, and maintenance of the enterprise LAN/WAN/VTC/VoIP & Telco infrastructure. The incumbent is expected to act as a lead VoIP engineer on various technical projects including but not limited to VoIP architecture design, deployment, maintenance and routine VoIP related operational responsibilities.

∙ Oversees the day-to-day health of the enterprise and customer VoIP infrastructure, with a focus on assuring stability, capacity and organizational productivity. The network is a converged IP network carrying data, voice and video.
∙ Addresses and resolves complex technical problems relating to the installation, upgrade, and daily operation of local and regionally distributed VoIP network infrastructure.
∙Maintain the existing Cisco VoIP environment consisting of Cisco Unified Communications Manager (CUCM), Cisco Unity Connection (CUC) and various model Cisco phones.
∙Interfaces with customers, vendors, and other technical staff to analyze business and technical requirements relating to the VENCORE as well as customer network and systems infrastructure.
∙ Works closely with the network engineering Director to establish and deliver consistent technical direction, collect and analyze VoIP performance metrics, establish and enforce service level agreements.
∙ Documents engineering standards and proposals, leads or assists in the development of VoIP architecture/engineering designs, changes, and configuration management.
∙ Assist in evaluating current and emerging network and VoIP technologies, conducts technical assessments, and makes recommendations to Information Technology director and customers.
∙ Strong interpersonal and customer service skills in addition to the ability to effectively manage and prioritize individual projects and tasks. Possess superior written and oral communication skills. Solid vendor management skills (circuit installation/troubleshooting, product/circuit procurement) are required.


Requires 10 to 12 years with BS/BA or 8 to 10 years with MS/MA or 5 to 7 years with PhD of hands-on experience in the implementation and administration of complex, multi-location, multi-vendor, converged voice/data networks in a geographically distributed environment.

∙Strong background and experience with deployment and maintenance of SIP trunks, voice PRI with Cisco CUBE, CUCM and Cisco Unity.
∙CCNA is a must. CCNP Voice/Collaboration certification highly desired.
∙ Strong experience with a broad range of Cisco products including, but not limited to, Cisco IOS, CUCM, Unity Connection, ISE, IPCC, and Cisco phones.
∙ Solid understanding of VoIP related protocols & technologies (TCP/IP, UDP, and Skinny, SIP Trunks and PRI, extension mobility, dial plans, route patterns).
∙ Strong experience with Cisco routers (Cisco ISR, ASR series) & switches including but not limited to 35xx, 37xx, 38xx, 45xx, 65xx.
∙ Hands-on experience with the implementation and maintenance of Cisco call manager and Cisco unity connection.
∙ Experience with older Avaya and Siemens PBX systems is desired but not required.
∙ Experience with Unified communication applications such as Microsoft Lync, Cisco Jabber, and Polycom is highly desired.
∙ Creative problem-solving abilities, attention to detail, and ability to “think outside the box”
∙ Experience developing and implementing QoS in a converged voice/video/data network.
∙ Understanding of Microsoft Back-Office technologies, including, but not limited to Active Directory, IIS, Exchange, and other components.

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