Senior VoIP Engineer (Contingent on Contract Award) at MSM Technology, LLC

Quantico, Virginia, United States -

Full Time

Start Date

Immediate

Expiry Date

10 Feb, 26

Salary

0.0

Posted On

12 Nov, 25

Experience

5 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

Skills

VoIP, SVoIP, Cisco Unified Communication Manager, Cisco Unity, Cisco Presence, Cisco Emergency Responder, Cisco UCCX, IPv4 Routing, SIP, SCCP, MGCP, DSN, PSTN, H.323, Network Protocols, Voice Services

Industry

IT Services and IT Consulting

Description

Description Serve as the lead engineer for the design, implementation, and maintenance of VoIP and SVoIP infrastructures supporting both classified and unclassified networks (NIPRNet/SIPRNet). Oversee the administration of VoIP and DSN systems, including servers, gateways, handsets, and associated communications hardware. Oversees and manages all components of the Cisco Unified Communication Manager cluster. Develop and maintain the Voice over IP architecture design, including capacity planning, system performance optimization, redundancy, and failover strategies. Perform troubleshooting, diagnostics, and resolution of complex voice and video communication issues to minimize downtime and maintain 99.9% service availability. Manage voice circuit provisioning and management, coordinating with service providers, DISA, and the Quantico G6 to ensure uninterrupted communication across MDIA networks. Monitors and controls the performance and status of voice and video resources across multiple enclaves and locations utilizing software and hardware tools. Performs testing, provision, operations and emergency responses for voice network operations. Designs, configures, and installs VoIP hardware / software replacements and upgrades. Develops and maintains all VoIP documentation (drawings, cut sheets, configurations, and deployment plans). Identifies and diagnoses problems and factors affecting voice services. Provides day-to-day subject matter expert support for RKB tenant agencies. Troubleshoots voice related issues and outages, which may occur during non-core hours. Works with vendors in support of the ITCSU. Ensures all voice applicable STIGs and vulnerabilities are resolved or mitigated in a timely manner. Performs preventative maintenance services on all devices within the VoIP area of responsibility. Maintains a current understanding of emerging technologies and trends in voice and video services. Requirements Bachelor’s degree in information technology, Computer Science, Telecommunications, or a related discipline; equivalent experience acceptable. Five (5) or more years of experience designing, building, and/or maintaining communications systems with minimum of three (3) years of experience with CISCO Unified Communications Manager (CUCM) Version 10.5 or newer. Experience with Cisco Unity, Cisco Presences, Cisco Emergency Responder is required. Knowledge of Cisco UCCX required. Experience with dynamic and static IPv4 routing and integrating with an external SIP providers. Proficient with SIP, SCCP, MGCP, DSN, PSTN, and H.323 systems and devices. Preferred certifications of CCNA Route and Switch and/or CCNA Collaboration. Must be DoD 8570 certified at the IAT-II / IAM-II level. Proven experience engineering and managing Cisco Unified Communications Manager (CUCM), Cisco Unity Connection, Cisco Voice Gateways (ISR/ASR), and Cisco IP Phones. Experience supporting VoIP and Secure VoIP (SVoIP) operations across classified (SIPRNet) and unclassified (NIPRNet) networks. Strong understanding of network protocols (SIP, RTP, SCCP, QoS, VLANs) and their impact on voice traffic performance and reliability. This position requires a fully adjudicated Secret clearance level at contract start but must be eligible for a Top Secret (TS)/Sensitive Compartmented Information (SCI).

Responsibilities

Lead the design, implementation, and maintenance of VoIP and SVoIP infrastructures for classified and unclassified networks. Oversee VoIP systems administration, troubleshooting, and performance monitoring to ensure high service availability.