Cisco Collaboration Engineer

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret/SCI Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: IT Infrastructure and Operations Job Qualifications: Skills: Cisco Firewall Security, Cisco Unified Communications Manager IM, Next Generation Firewall, Session Border Controllers Certifications: None Experience: 5 + years of related experience US Citizenship Required: Yes Job Description: The Cisco Collaboration Engineer is responsible for the design, implementation, administration, sustainment, troubleshooting, and modernization of enterprise voice, video, unified communications, and collaboration services. The position requires a Cisco CCNP certification and a minimum of five+ years of hands-on experience supporting complex enterprise collaboration environments. The engineer will provide Tier 2/Tier 3 technical support for Cisco Unified Communications, voice and video gateways, Session Border Controllers (SBCs), Cisco Expressway, Cisco Jabber, Cisco Webex, MeetingPlace, Windows Server platforms, next-generation firewalls, and AFRL V2CDS/XD Vision gateway technologies. The successful candidate must possess strong troubleshooting and systems-integration skills and be capable of diagnosing issues across the application, server, security, voice/video, and network infrastructure. Experience with Cisco routing and switching technologies is highly desirable. HOW A CISCO COLLABORATION ENGINEER WILL MAKE AN IMPACT Cisco Unified Communications and Collaboration Design, configure, administer, maintain, and troubleshoot Cisco Unified Communications and collaboration environments. Support Cisco Unified Communications Manager (CUCM/Call Manager) clusters, endpoints, trunks, dial plans, route patterns, translation patterns, device pools, regions, locations, and media resources. Configure and troubleshoot SIP, RTP/SRTP, SCCP, H.323, and related voice and video protocols. Support Cisco Jabber voice, video, presence, messaging, and directory integrations. Administer and troubleshoot Cisco Webex and associated enterprise collaboration integrations. Support legacy or mission-required Cisco MeetingPlace services and their integration with the enterprise collaboration environment. Perform software upgrades, patching, certificate maintenance, configuration changes, and lifecycle management of collaboration infrastructure. Support voice and video endpoint registration, authentication, call routing, and media establishment. Analyze call failures, poor call quality, one-way audio, latency, jitter, packet loss, registration failures, and signaling problems. Session Border Controllers Configure, maintain, and troubleshoot enterprise Session Border Controllers (SBCs) and associated SIP services. Support SIP trunking between internal collaboration systems, external service providers, partner organizations, and other enterprise environments. Configure and troubleshoot SIP normalization, dial-peer/routing policies, codec negotiation, media flows, NAT traversal, and encryption. Diagnose SIP signaling using packet captures, SIP traces, call-detail records, and platform-specific diagnostic tools. Coordinate troubleshooting with telecommunications carriers, vendors, cybersecurity teams, and external organizations. Cisco Expressway Edge/Core Configure, administer, maintain, and troubleshoot Cisco Expressway-C and Expressway-E platforms. Support Mobile and Remote Access (MRA), business-to-business communications, traversal zones, SIP services, and secure remote collaboration. Configure and troubleshoot certificates, DNS, firewall traversal, NAT, TLS, and authentication dependencies. Troubleshoot Jabber and collaboration endpoint registration through Expressway infrastructure. Maintain secure communications between internal collaboration environments and external users or organizations. Windows Server Provide administration and troubleshooting support for Microsoft Windows Server environments supporting collaboration services. Support Windows Server services including DNS, Active Directory integration, certificate services, service accounts, authentication, and application dependencies. Perform server patching, vulnerability remediation, security hardening, and configuration management. Troubleshoot operating-system, application, network, authentication, and certificate-related issues affecting collaboration services. Coordinate Windows Server changes with system administrators, cybersecurity personnel, and application owners. Next Generation Firewalls and Security Configure and troubleshoot Cisco next-generation firewall policies supporting voice, video, collaboration, and remote-access communications. Analyze firewall rules, NAT, ACLs, routing, inspection policies, and application/security policies affecting collaboration services. Troubleshoot signaling and media flows through security boundaries. Coordinate firewall changes with cybersecurity and network security teams. Support secure TLS/SRTP communications and certificate-based authentication. Assist with vulnerability remediation, security compliance, software upgrades, and security-hardening activities affecting collaboration infrastructure. V2CDS and XD Vision Gateways Configure, maintain, integrate, and troubleshoot V2CDS and XD Vision gateway technologies supporting enterprise or mission collaboration requirements. Support secure voice and video communications across interconnected security or network boundaries. Diagnose connectivity, signaling, media, routing, policy, certificate, and interoperability problems associated with gateway services. Coordinate gateway configuration and troubleshooting with cybersecurity, cross-domain, network, voice/video, and external support organizations. Maintain system documentation, configuration baselines, interface requirements