VOIP Telephony Specialist

Chantilly, VA, United States of America
Nov 23, 2022
Dec 23, 2022
Full Time
VOIP Telephony Specialist
Job Profile:
IT Network Engineering T4

JR Type:
Job Category:
Information Technology
Minimum Clearance Required to Start:
Percentage of Travel Required:
Up to 50%
Type of Travel:
Continental US
Program/Opportunity Name:
Program | ITEMSS
Referral Bonus Plan:

Job Description:

This position is for a senior level telecommunications/VOIP engineer to provide support for a Voice over IP (VOIP) modernization effort. This position will provide expert telephony expertise with upgrading and replacing VOIP based telecommunication systems. The candidate will lead a team of engineers in the design, integration, and implementation of a VOIP solution at multiple locations. This position will also entail integrating network solutions to include switches, routers, and voice gateways. The candidate will work closely with other telecommunications/VOIP engineers, network security engineers, and various other groups within the program. This position will involve travel to remote CONUS sites to work independently with limited supervision on system upgrades and implementations. Must be able to keep up with fast pace fielding schedule and have an active secret clearance.

  • Installation and configuration of routers, switches, and VOIP infrastructure across multiple enterprise environments/client locations, both remotely and on-site
  • Ability to stay on schedule and able to work through any impediments encountered in the field
  • Perform advanced configurations on server infrastructures (mixed virtualized and physical environments)
  • Create and maintain detailed diagrams and technical documentation of enterprise voice networks
  • Expert knowledge of TCP/IP, LAN, MPLS and general network theory required
  • Able to trouble shoot and resolve complex problems
  • Provide timely and accurate status updates to customer contacts and management
  • Provide guidance/mentor more junior members of the team on VOIP technology
  • Partner and work with 3rd party teams and vendors
  • Lead device maintenance/firm ware updates/installation activities

Required Skills:
  • BA/BS and at least 10 years of related network engineering/IT experience. Experience in lieu of a degree is acceptable.
  • Cisco Unified Communications Manager
  • Familiarity with Avaya and Ribbon VoIP solutions
  • Familiarity and understanding of obtaining accreditation (ATO) for new VoIP implementation
  • Experience with replacing TDM solution with IP-based version
  • PSTN circuits (PRI, T1, SIP, analog, FXO, FXS)
  • Network Routing
  • Network Switching
  • Voice gateways and protocols
  • Active Secret clearance (required), Interim is acceptable
  • Certifications (must be 8570 compliant with a combination of the following):
    • CCNP
    • CCNA
    • Security +
    • Server +

Desired Skills:
  • SIP/AS-SIP experience preferred
  • Cisco Unified Communications Manager (CUCM) (preferred)
  • Cisco Unity/Unity Connection/Unified Messaging (Preferred)
  • Cisco UC on UCS (preferred)
  • VMWare 6.x (preferred)
  • Cisco Telepresence (preferred)
  • CCNA certification required, CCNP/CCNP Voice preferred
  • VMWare configuration experience preferred
  • Windows Server administration experience preferred
  • Network trouble shooting skills
  • Experience with other VOIP Equipment Manufactures (Avaya, Logitech, Valcom, Ribbon, etc.)`

What We Can Offer You:

- We've been named a Best Place to Work by the Washington Post.

- Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives.

- We offer competitive benefits and learning and development opportunities.

- We are mission-oriented and ever vigilant in aligning our solutions with the nation's highest priorities.

- For over 60 years, the principles of CACI's unique, character-based culture have been the driving force behind our success.

Company Overview:

CACI is an Equal Opportunity Employer - Females/Minorities/Protected Veterans/Individuals with Disabilities.

As a federal contractor, CACI is subject to any federal vaccine mandates or other customer vaccination requirements. All new hires are required to report their vaccination status.

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