CUCM Engineer

All Native Group, The Federal Services Division of Ho-Chunk Inc.

. Design, implement, maintain, and support enterprise-level voice solutions, including Call Manager, Unity Connection, Emergency Responder, and VoIP endpoints .

Posted 10/6/2026full-timeUnited StatesSeniorLeadWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates extensive expertise in designing, implementing, and supporting enterprise-level CUCM voice solutions, ensuring high availability and compliance with security standards. Proficient in providing advanced support and mentoring within a collaborative team environment.

Highest-signal resume keywords

CUCM Solutions ExpertiseCisco Voice GatewaysCall Manager and Unity ConnectionCisco Certifications (CCNA-VOICE, CCNP Collaboration, CCIE Collaboration)Telecommunications Knowledge

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

CUCM ConfigurationSIP TrunkingPSTN ConnectivityVoice Incident ResolutionSystem Design DocumentationVulnerability ManagementTechnology ResearchCross-TrainingMulti-Site Environment SupportHigh Availability Solutions

Soft Skills

Strong Written CommunicationStrong Verbal CommunicationTeam CollaborationMentoring AbilityIndependent Work

Tools & Technologies

Call ManagerUnity ConnectionCisco IOS RoutersCisco Unified Border Element (CUBE)Incident Management SystemsTicketing SystemsVoIP EndpointsCybersecurity StandardsConfiguration Management ToolsMonitoring Tools

Certifications & Qualifications

CCNA-VOICECCNP CollaborationCCIE CollaborationTS/SCI Security Clearance

Industry Keywords

Enterprise Voice SolutionsTelecommunicationsVoIPSecurity ComplianceBest PracticesCross ConnectsDemarcation PointsWiringTechnology MigrationsVoice Gateways

Tech Stack

Tools & technologies

Cyber SecurityiOSSwitchingTypeScriptUnityVoIP

About the role

Key responsibilities & impact

Design, implement, maintain, and support enterprise-level voice solutions, including Call Manager, Unity Connection, Emergency Responder, and VoIP endpoints
Configure and support CUCM clusters, voice gateways, endpoints, and SIP trunks in a multi-site environment
Provide Tier 2 and Tier 3 support and investigate complex enterprise voice issues
Monitor CUCM cluster health, performance, and availability; document issues and recommend corrective actions
Support internal groups including PMO, NOC, and Installations
Collaborate with Cybersecurity and Information Assurance teams to maintain CUCM security, integrity, standards, and compliance
Lead enterprise voice projects, migrations, technology refreshes, deployments, and implementations
Support patching, vulnerability management, and configuration changes
Provide cross-training to enterprise voice teams and Tier 2/Tier 3 personnel
Develop and maintain system designs, diagrams, and standard operating procedures
Ensure high availability, failover, and contingency capabilities for enterprise CUCM
Research, investigate, and resolve voice incidents and outages; provide status updates through incident management and ticketing systems
Participate in technology research, evaluations, and solutions with industry partners
Travel locally during the business day, with occasional out-of-area and overnight travel

Requirements

What you’ll need

7+ years of expertise and hands-on experience with CUCM solutions in a large enterprise environment
Strong knowledge and experience with Cisco voice gateways (VG410, 420, 450)
7 years’ experience with CUCM; versions 14 or 15 preferable
Knowledge of CUCM best practices and security, including TLS, SRTP, and certificates
Senior-level knowledge of Call Manager, Unity Connection, SIP trunking, PSTN connectivity, and call routing
Familiarity with third-party integration, including Microsoft Teams
Knowledge of Cisco IOS routers, switching, and Cisco Unified Border Element (CUBE)
Strong knowledge of telecommunications, including wiring, cross connects, demarcation points, and circuits
Strong written and verbal communications
Ability to collaborate as a team member and work independently
Ability to mentor
Must possess or be able to obtain/maintain a TS/SCI security clearance
Must successfully complete a pre-employment drug screen; subject to random drug screens throughout employment
Cisco certifications preferred: CCNA-VOICE, CCNP Collaboration, or CCIE Collaboration
Must remain stationary 75% of the time and work indoor conditions 90% of the time
Frequently move standard office equipment up to 25 pounds

Benefits

Comp & perks

Regular full-time position
Local business-day travel; some out-of-area and overnight travel may be expected
Equal opportunity employer
Tribal member preference may be extended in accordance with applicable laws