Cisco Collaboration Engineer

Type of Requisition

Regular

Top Secret/SCI

Top Secret/SCI

None

IT Infrastructure and Operations

• 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

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, Meeting Place, Windows Server platforms, next-generation firewalls, and AFRL V2

CDS/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.

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 Meeting Place 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.

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.

Co‑ordinate troubleshooting with telecommunications carriers, vendors, cybersecurity teams, and external organizations.

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.

Mai…