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. Co‑ordinate 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. Co‑ordinate 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. 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. 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. 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. Network Integration 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. 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. Co‑ordinate 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, preferably with a Collaboration focus or equivalent demonstrated collaboration expertise. 5+ years of hands‑on experience supporting enterprise Cisco voice, video, unified communications, and collaboration technologies. 5+ years of experience with Microsoft Windows Server or Windows‑based infrastructure supporting enterprise applications. Strong experience with Cisco Unified Communications Manager. Experience supporting Cisco Expressway-C/Expressway-E. Experience supporting Cisco Jabber. Experience with Cisco Webex. Experience supporting Session Border Controllers and SIP trunking. Experience supporting enterprise voice/video gateways. Experience with Cisco next‑generation firewall technologies. Experience supporting or integrating V2CDS and/or XD Vision gateway technologies. Strong understanding of SIP, RTP/SRTP, TCP/IP, TLS, DNS, NAT, QoS, and certificate‑based communications. Experience analyzing packet captures and troubleshooting complex end‑to‑end communications. Experience supporting high‑availability enterprise production environments. Strong technical documentation and communication skills. Desired Qualifications Cisco routing and switching experience. Cisco Catalyst and/or Nexus experience. Experience with Cisco Firepower/Secure Firewall. Experience with enterprise PKI and certificate management. Experience with Active Directory, DNS, and authentication services. Experience with network and application performance‑monitoring platforms. Experience with deployment and management of Cisco Jabber services. Experience supporting cross‑domain or multi‑security‑domain voice/video environments. Experience with Zero Trust architectures and identity‑based access controls. Experience supporting highly available, mission‑critical, or 24x7 enterprise environments. Experience working with cybersecurity teams on vulnerability remediation, security hardening, and compliance requirements. Documentation Maintain accurate network diagrams, IP addressing information, equipment inventories, port assignments, circuit information, configuration standards, troubleshooting procedures, SOPs, and knowledge‑base articles. Document recurring problems and develop troubleshooting procedures that enable Tier 1 personnel to resolve common issues without unnecessary escalation. Maintain accurate ticket and incident documentation, including symptoms, troubleshooting performed, corrective actions, root cause, and resolution. Project & Engineering Support 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. WHAT YOU’LL NEED TO SUCCEED: 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. Location Onsite-Tampa, FL US Citizenship Required GDIT Benefits GDIT is your place 401K with company match. Comprehensive health and wellness packages. Internal mobility team dedicated to helping you own your career. Professional growth opportunities including paid education and certifications. Cutting‑edge technology you can learn from. Rest and recharge with paid vacation and holidays. The likely salary range for this position is $136,000 - $184,000. 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. Scheduled Weekly Hours: 40 Travel Required: Less than 10% Telecommuting Options Onsite Work Location: USA FL MacDill AFB Additional Work Locations 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 #J-18808-Ljbffr General Dynamics Information Technology