Cisco Collaboration Engineer

Description

You will design, build, run, repair and modernize enterprise voice, video, unified communications and collaboration services.

The role requires a Cisco CCNP certification and 5+ years of hands-on work in complex enterprise collaboration environments.

The company is a global technology and professional services firm serving US government, defense and intelligence agencies. It has about 26,000 staff in more than 50 countries and focuses on AI, cloud, cyber and software development.

The position sits within IT Infrastructure and Operations.

Responsibilities

• Design, configure, administer, maintain and troubleshoot Cisco Unified Communications and collaboration systems.
• Support Cisco Unified Communications Manager (CUCM/Call Manager) clusters, endpoints, trunks, dial plans, route and 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 its enterprise integrations.
• Support legacy or mission-required Cisco MeetingPlace services and how they connect to the wider collaboration environment.
• Handle software upgrades, patches, certificate maintenance, configuration changes and lifecycle management for collaboration infrastructure.
• Support endpoint registration, authentication, call routing and media setup for voice and video.
• Investigate call failures, poor call quality, one-way audio, latency, jitter, packet loss, registration failures and signaling faults.
• Configure, maintain and troubleshoot enterprise Session Border Controllers (SBCs) and their SIP services.
• Support SIP trunking with internal systems, external providers, partners and other enterprise environments.
• Configure and troubleshoot SIP normalization, dial-peer and routing policies, codec negotiation, media flows, NAT traversal and encryption.
• Diagnose SIP signaling using packet captures, SIP traces, call detail records and platform diagnostic tools.
• Coordinate troubleshooting with carriers, vendors, cybersecurity teams and other 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 endpoint registration through Expressway.
• Keep communications between internal systems and external users or organizations secure.
• Administer and troubleshoot Microsoft Windows Server environments that support collaboration services.
• Support DNS, Active Directory integration, certificate services, service accounts, authentication and application dependencies on Windows Server.
• Perform server patching, vulnerability remediation, security hardening and configuration management.
• Troubleshoot operating system, application, network, authentication and certificate issues that affect collaboration services.
• Coordinate Windows Server changes with system administrators, cybersecurity staff and application owners.
• Configure and troubleshoot Cisco next-generation firewall policies for voice, video, collaboration and remote access.
• Analyze firewall rules, NAT, ACLs, routing, inspection and application or security policies that affect collaboration services.
• Troubleshoot signaling and media flows across security boundaries.
• Coordinate firewall changes with cybersecurity and network security teams.
• Support secure TLS/SRTP communications and certificate-based authentication.
• Help with vulnerability remediation, compliance, upgrades and hardening of collaboration infrastructure.
• Configure, maintain, integrate and troubleshoot V2CDS and XD Vision gateway technologies for enterprise or mission collaboration.
• Support secure voice and video communications across interconnected security or network boundaries.
• Diagnose connectivity, signaling, media, routing, policy, certificate and interoperability problems in gateway services.
• Coordinate gateway configuration and troubleshooting with cybersecurity, cross-domain, network, voice/video and external support teams.
• Maintain system documentation, configuration baselines, interface requirements and operating procedures for gateways.
• Troubleshoot network connectivity that affects voice, video and collaboration services.
• Analyze TCP/IP, UDP, SIP, RTP/SRTP, DNS, DHCP, NAT, QoS, VLAN, routing, switching and firewall behavior.
• Work with network engineering teams to troubleshoot end-to-end collaboration performance.
• Use packet captures and network monitoring tools to isolate signaling, media, application, server and transport problems.
• Support QoS for enterprise voice and video traffic.
• 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.
• Run root-cause analysis on recurring technical issues and define corrective actions to improve reliability and availability.
• Take part in configuration and change management.
• Write implementation, test, rollback and validation procedures for production changes.
• Maintain accurate diagrams, configurations, inventories, SOPs, troubleshooting guides and knowledge-base articles.
• Support scheduled maintenance and authorized service interruptions.
• Take part in technology refresh, modernization, migration and lifecycle projects.
• Work with vendors and Cisco TAC on complex issues.
• Mentor and guide junior engineers and operations staff.
• Document recurring problems and write troubleshooting procedures so Tier 1 staff can resolve common issues without unnecessary escalation.
• Record tickets and incidents in full, including symptoms, steps taken, corrective actions, root cause and resolution.
• Support Tier 3 engineers and project teams on UC upgrades, migrations, deployments, refreshes and modernization.
• Help stage, configure, test, install, cut over, validate and hand over equipment.
• Take part in site surveys, assessing network infrastructure, rack space, power, cabling, connectivity, capacity and technical dependencies.
• Attend technical exchange meetings, engineering reviews, change boards, project meetings and operational readiness reviews.
• Maintain network diagrams, IP addressing, equipment inventories, port assignments, circuit details, configuration standards, procedures and knowledge-base articles.

Requirements

• Hold a Cisco CCNP certification, ideally with a Collaboration focus, or demonstrated equivalent collaboration expertise.
• Have 5+ years of hands-on experience with enterprise Cisco voice, video, unified communications and collaboration technologies.
• Have 5+ years of experience with Microsoft Windows Server or Windows-based infrastructure that supports enterprise applications.
• Have strong experience with Cisco Unified Communications Manager.
• Have experience supporting Cisco Expressway-C and Expressway-E.
• Have experience supporting Cisco Jabber and Cisco Webex.
• Have experience with Session Border Controllers and SIP trunking.
• Have experience supporting enterprise voice and video gateways.
• Have experience with Cisco next-generation firewall technologies.
• Have experience supporting or integrating V2CDS and/or XD Vision gateway technologies.
• Have a strong understanding of SIP, RTP/SRTP, TCP/IP, TLS, DNS, NAT, QoS and certificate-based communications.
• Have experience analyzing packet captures and troubleshooting complex end-to-end communications.
• Have experience supporting high-availability enterprise production environments.
• Communicate clearly in writing and in speech.
• Hold an applicable DoW 8140 or DoW 8570 certification.
• Hold US citizenship.
• Hold a Top Secret/SCI clearance.
• Have 5+ years of related experience.
• Have strong communication skills and be willing to learn new technologies and take on more responsibility over time.
• Have in-depth knowledge of TCP/IP, LAN/WAN technologies, network protocols and network hardware.
• Have strong analytical skills for troubleshooting and diagnosing network issues.
• Explain technical issues clearly and professionally to non-technical staff.
• Respond to escalated user issues involving network connectivity, run basic diagnostics and escalate complex problems as needed.
• Work closely with peers and other departments to keep network operations running smoothly and support ongoing projects.
• Be able to work weekends and evenings as needed.
• Desired: Cisco routing and switching experience, which is a strong plus, including 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.
• Desired: Cisco Catalyst and/or Nexus experience.
• Desired: Cisco Firepower or Secure Firewall experience.
• Desired: enterprise PKI and certificate management experience.
• Desired: Active Directory, DNS and authentication services experience.
• Desired: network and application performance-monitoring platform experience.
• Desired: experience deploying and managing Cisco Jabber services.
• Desired: experience with cross-domain or multi-security-domain voice and video environments.
• Desired: experience with Zero Trust architectures and identity-based access controls.
• Desired: experience with highly available, mission-critical or 24x7 enterprise environments.
• Desired: experience working with cybersecurity teams on vulnerability remediation, hardening and compliance.
• Preferred: CCNP Collaboration certification.
• Preferred: CCNP Enterprise certification, which is desirable.
• Preferred: experience with USCENTCOM and familiarity with its mission.
• Preferred: knowledge of and familiarity with the USCENTCOM IT environment.

Conditions

Must currently hold a Top Secret/SCI clearance and be able to obtain one at that level.

No Public Trust or other clearance is required.

US citizenship is required.

Regular requisition, 40 scheduled hours per week.

Onsite at MacDill AFB, Florida.

Travel is less than 10% of the time.

The likely salary range is $136,000 to $184,000. This is not a guarantee, and pay depends on experience, location and possibly contract requirements, so it may fall outside this range.

Identity verification uses biometrics and AI, and you must be on camera for virtual interviews. Your biometric data will be used for verification and security under your authorization.

Equal opportunity employer, including individuals with disabilities and protected veterans.

Benefits

• 401(k) with pre-tax and post-tax contributions up to IRS limits and a company match.
• Medical plans, some with Health Savings Accounts, plus dental and vision plans.
• Full flex work weeks where possible.
• Paid vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave.
• Short-term and long-term disability, life, accidental death and dismemberment, personal accident, critical illness and business travel accident insurance, provided or available.
• Comprehensive health and wellness packages.
• An internal mobility team to help you manage your career.
• Paid education and certifications.
• Work with cutting-edge technology.