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This position is full time on site in Chantilly, Va and requires a secret clearance so candidates must be clearable.

Accelera Solutions is looking for a Cisco Call Manager Administrator is responsible for the day-to-day administration, configuration, and maintenance of the organization s Cisco Unified Communications Manager (CUCM) environment. This role ensures the smooth operation of the VoIP infrastructure, troubleshoots issues, and supports the deployment of new features and enhancements. The Administrator works closely with the Cisco Call Manager Engineer Lead and other IT team members to deliver high-quality communication services.

As a Cisco Call Manager Administrator, you will be responsible is responsible for the day-to-day administration, configuration, and maintenance of the organization s Cisco Unified Communications Manager (CUCM) environment. This role ensures the smooth operation of the VoIP infrastructure, troubleshoots issues, and supports the deployment of new features and enhancements. The Administrator works closely with the Cisco Call Manager Engineer Lead and other IT team members to deliver high-quality communication services. This role requires a deep understanding of Cisco VoIP technologies, unified communications, and collaboration solutions. You will work closely with the engineering team, IT staff, and other external stakeholders to ensure the effective operation of the call managers at various locations and their integration into the organization's infrastructure.

Responsibilities:
You will be responsible for designing, implementing, and managing enterprise-level Cisco Unified Communications solutions across our Air Force network infrastructure.
Administer and maintain Cisco Unified Communications Manager (CUCM) systems in compliance with DoD security standards
Perform user account management, device configuration, and phone provisioning per DoD guidelines
Monitor system performance and generate regular status reports for DoD compliance
Execute routine maintenance tasks, backups, and system health checks following DISA STIGs
Provide tier 2/3 technical support for voice and unified communications issues
Assist with system upgrades and patch management under senior engineer guidance
Maintain accurate documentation of system configurations and changes per DoD requirements
Support dial plan management and call routing configurations
Coordinate with vendors and service providers for issue resolution
Participate in on-call rotation for after-hours support
Support after-hours maintenance windows and emergency response activities
Administer and maintain the CUCM environment, including user provisioning, configuration management, and system monitoring.
Perform regular system health checks, backups, and maintenance tasks to ensure system reliability and performance.
Experience with phone provisioning, user management, and device configuration
Understanding of dial plans, call routing, and voice gateway configurations
Familiarity with Cisco Unity Connection and voicemail administration
Knowledge of basic networking concepts (TCP/IP, VLANs, DNS)
Ensure compliance with DoD 8570.01-M and DoD 8140.03 certification requirements

10+ Years of relevant experience (Bachelor s degree in relevant field may be substituted for 5 years of relevant experience).
Familiarity with network and system security principles, protocols, and configurations.
Strong analytical and problem-solving skills to troubleshoot and resolve complex issues.
Excellent communication and collaboration skills to work effectively with cross-functional teams.
Required DoD 8140 compliant certification such as CompTIA Security+; while CCNA Collaboration or higher-level Cisco certifications (e.g., CCNP Collaboration, CCIE Collaboration) are preferred.
Ability to obtain/maintain Secret Clearance

Accelera Solutions is an Equal Opportunity Employer/Veterans/Disabled.