Systems Engineer

We are seeking an experienced Cisco Voice Engineer to join our team! This role focuses on designing, deploying, securing, and sustaining enterprise‑level Cisco Unified Communications solutions across a complex, highly secure environment. You should have a bachelor’s or master’s degree and a minimum of six (6) years of progressive experience in Voice/UC engineering. Required Skills Design, test, and deploy new Cisco Voice infrastructure (CUCM, Unity Connection, IM&P, UCCX) Implement next‑generation voice system technologies and support first‑article engineering Participate in security accreditation activities for all voice systems Manage PKI/certificate requirements across Cisco UC components Perform system upgrades, patching, and lifecycle maintenance for hardware and software Provide engineering support for new site standups, including dial plan design and endpoint provisioning Design, test, and deploy call center technologies (UCCX/UCCE), including user training and transition planning Execute tasks related to call routing, SIP trunking, SRST, CUBE, and gateway configuration Collaborate with customers and internal teams to gather and refine system requirements Ensure compliance with enterprise standards, policies, and security procedures Work within a large‑scale enterprise IT environment with responsibilities specific to Cisco Voice and Unified Communications Partner with network engineering and telecom teams on integration activities involving telephony, call center systems, and network infrastructure Support secure communications devices and infrastructure, including VoIP phones, STEs, Viper phones, encryption devices, POTs/ISDN/leased lines, conference bridges, and call management servers Working within a large‑scale enterprise IT environment with responsibilities specific to Cisco Voice and Unified Communications SIP signaling and call flows Secure Real‑Time Transport Protocol (SRTP) SIP, MGCP, H.323 TCP/IP networking DNS and DHCP Demonstrated experience leading enterprise‑scale voice deployments and modernization efforts Proven ability to troubleshoot complex, multi‑layered call routing and signaling issues Strong communication skills for stakeholder engagement, documentation, and technical leadership Desired Skills Expertise in SIP signaling, call flows, and multi‑vendor integration Hands‑on experience with H.323 in mixed‑protocol environments Cisco Certified Collaboration Professional (CCCP) or equivalent Cisco Collaboration certifications CCIE Collaboration (highly desirable) Experience with secure communications devices (VoIP endpoints, STEs, Viper phones, encryption devices) Familiarity with government security accreditation processes and PKI/certificate management Experience designing or supporting call center technologies (Cisco UCCX/UCCE or Avaya equivalent) Prior experience in a DoD, IC, or other high‑security environment #J-18808-Ljbffr