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General Dynamics Information Technology seeks a Cisco Collaboration Engineer in Tampa, FL, to design, implement, and support our enterprise voice, video, unified communications, and collaboration services. The role demands a CCNP certification and 5+ years of hands-on experience with CUCM, SBCs, Jabber, Webex, and related platforms.
The engineer will provide Tier 2/3 support, perform upgrades, and ensure secure, reliable collaboration for a large organization.
Regular
Top Secret/SCI
Top Secret/SCI
None
IT Infrastructure and Operations
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.
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.
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.
Maintain secure communications between internal collaboration environments and external users or organizations.
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.
Co‑ordinate Windows Server changes with system administrators, cybersecurity personnel, and application owners.
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.
Co‑ordinate 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.
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.
Co‑ordinate 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.
Co‑ordinate 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.
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.
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.
Co‑ordinate with vendors and Cisco TAC on complex technical issues.
Provide technical guidance and mentoring to junior engineers and operations personnel.
Support Tier 3 engineers and project teams with unified communications upgrades, migrations, deployments, technology refreshes, and modernization initiatives.
Assist with equipment staging, configuration, testing, installation, cutover, validation, and operational turnover.
Participate in site surveys and assess network infrastructure, rack space, power, cabling, connectivity, capacity, and technical dependencies.
Participate in technical exchange meetings, engineering reviews, change boards, project meetings, and operational readiness reviews.
Required Technical Skills: Applicable DoW 8140 or DoW 8570 Certification
Security Clearance Level: TS/SCI Required
Skills and Abilities: Strong communication skills. Eagerness to learn new technologies and take on additional responsibilities over time. In-depth knowledge of TCP/IP, LAN/WAN technologies, network protocols, and network hardware. Strong analytical skills with a focus on troubleshooting and diagnosing network issues. Ability to communicate technical issues clearly and professionally with non‑technical staff. Respond to escalated user inquiries and issues related to network connectivity, performing basic diagnostics, and escalating more complex issues as needed. Work closely with peers, and other departments to ensure seamless network operations and assist with ongoing projects/tasks. Ability to work weekends and evening hours as needed.
Preferred Skills: Cisco Certified Network Professional (CCNP Collaboration) Cisco Certified Network Professional (CCNP Enterprise) - desirable Experience with USCENTCOM and familiarity with its mission. Knowledge and familiarity with USCENTCOM’s IT environment.
Onsite-Tampa, FL
US Citizenship Required
This is not, however, a guarantee of compensation or salary. Rather salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.
Travel Required: Less than 10%
Onsite Work Location: USA FL MacDill AFB
Total Rewards at GDIT: Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post‑tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long‑term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to