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, and operational procedures for gateway services. Network Integration
• Troubleshoot network connectivity affecting voice, video, and collaboration services.
• Analyze TCP/IP, UDP, SIP, RTP/SRTP, DNS, DHCP, NAT, QoS, VLAN, routing, switching, and firewall behavior.
• Work closely with network engineering teams to troubleshoot end-to-end collaboration service performance.
• Use packet captures and network monitoring tools to isolate signaling, media, application, server, and transport-layer problems.
• Support QoS requirements for enterprise voice and video traffic. Experience with Cisco routing and switching is a strong plus, particularly:
• Cisco Catalyst and Nexus switching, VLANs and 802.1Q trunking, Spanning Tree, EtherChannel, OSPF, BGP, Static routing, HSRP/VRRP, QoS, Multicast, ACLs, Cisco IOS/IOS XE, and Network segmentation. Operation and Maintenance Responsibilities
• Provide Tier 2/Tier 3 operational support for enterprise collaboration services.
• Monitor availability, capacity, performance, and health of voice and video systems.
• Respond to service incidents, outages, degradations, and cybersecurity events.
• Perform root-cause analysis for recurring technical issues.
• Develop corrective actions to improve service reliability and availability.
• Participate in configuration and change management processes.
• Develop implementation, test, rollback, and validation procedures for production changes.
• Maintain accurate system diagrams, configurations, inventories, SOPs, troubleshooting guides, and knowledge-base documentation.
• Support scheduled maintenance activities and authorized service interruptions.
• Participate in technology refresh, modernization, migration, and lifecycle-management projects.
• Coordinate with vendors and Cisco TAC on complex technical issues.
• Provide technical guidance and mentoring to junior engineers and operations personnel. Required Qualifications
• Cisco CCNP certification , pref