Unified Communications Administrator

CACI International Inc

. Provide maintenance and advanced support for customers globally .

Posted 10/14/2026full-timeUnited StatesSeniorLead💰 $90,300 - $189,600 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates extensive technical knowledge and support for VoIP/PBX systems, Cisco Unified Communications Manager, and VTC equipment. Proficient in troubleshooting UC&C issues, performing root cause analysis, and ensuring compliance with network security policies.

Highest-signal resume keywords

VoIP/PBX Technical SupportCisco Unified Communications ManagerIAT II CertificationCCNA CertificationAudio/Video Streaming Support

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

VoIP/PBX SystemsCisco Unified Communications ManagerAudio/Video StreamingVTC EquipmentTroubleshooting UC&C IssuesRoot Cause AnalysisIOS and Software UpgradesNetwork TopologyTicketing SoftwarePatching Compliance

Soft Skills

Technical GuidanceTraining DevelopmentAdministrative Support

Tools & Technologies

Cisco JabberWebexMicrosoft TeamsVbrick RevCisco Integrated Management ControllerTMSCODECMCUCMS

Certifications & Qualifications

IAT II CertificationCCNA CertificationNetwork+ CertificationITIL Foundations CertificationAgile Foundations Certification

Industry Keywords

VTCVoIPIMPresenceTelecommunications StandardsH.323E.164SIP Dialing Protocols

Tech Stack

Tools & technologies

iOSTypeScriptVoIP

About the role

Key responsibilities & impact

Provide maintenance and advanced support for customers globally
Support VTC, VoIP, IM, Presence, audio/video streaming, and some PBX phone services
Support customers across managed DCE/DTE and scheduled or active video teleconferences
Provide technical knowledge and support for VoIP/PBX systems and Cisco Unified Communications Manager
Provide technical knowledge and support for IM and Presence systems
Provide audio/video streaming support using set-top boxes, Vbrick Rev, and Cisco IMC
Provide technical support for VTC equipment including TMS, CODEC, MCU, and CMS
Provide system/equipment training and technical guidance to lower-skill employees
Support engineering projects
Provide VTC scheduling, monitoring, administrative support, and technical assistance
Use ticketing software to manage and prioritize workload and resolve break/fix issues and requests
Perform IOS and software upgrades
Troubleshoot UC&C issues involving endpoints, bandwidth saturation, profiles, and misconfigurations; perform root cause analyses
Assist with training, local guides, and SOP development for the UC environment
Perform patching and ensure compliance with network security policies/procedures
Create and report notifications according to SOPs
Participate in special projects as assigned by management

Requirements

What you’ll need

Active TS/SCI with polygraph clearance OR TS/SCI clearance with the ability to obtain a polygraph prior to starting
IAT II certification (mandatory, Security+, for example)
10+ years of relevant experience; a Bachelor’s Degree in an applicable field may be substituted for 5 years of experience
CCNA Certification
Network+ certification desired
ITIL Foundations or Agile Foundations certification desired
Technical knowledge of VoIP/PBX telephony systems, software, hardware, telecommunications standards, and Cisco Unified Communications Manager
Technical knowledge of IM systems such as Cisco Jabber, Webex, or Microsoft Teams and Presence Services
Experience with audio/video streaming, including set-top box, Vbrick Rev, and Cisco Integrated Management Controller (IMC)
Technical knowledge of VTC equipment such as TMS, CODEC, MCU, and CMS
Knowledge of network topology and networked hardware/software tools
Understanding of H.323, E.164, and SIP dialing protocols
Ability to perform IOS and software upgrades
Ability to use ticketing software to manage and prioritize workload
Ability to troubleshoot UC&C issues and perform root cause analysis
Ability to perform patching and ensure compliance with network security policies/procedures
Up to 10% travel required

Benefits

Comp & perks

Flexible time off benefit
Robust learning resources
Healthcare benefits
Wellness benefits
Financial benefits
Retirement benefits
Family support benefits
Continuing education benefits
Time off benefits
Competitive compensation
Learning and development opportunities