Sr. VoIP Call Manager / (Call Manager ADMIN)

Vision Information Technology Consultants LLC • Los Angeles, CA

4d • $28 - $34

About The Position

At Vision IT, the Sr. VoIP Call Manager / Mobile (Systems Administrator) supports the operation and maintenance of Cisco Unified Communication Manager (UCM) and mobile systems. This hands-on technical position manages upgrades, troubleshooting, and communication systems to provide high-quality service and maintain system availability. The role supports VoIP services, mobile endpoints, and other critical communications infrastructure in support of Los Angeles AFB and its mission partners.

Requirements

• At least 5 years of hands-on VoIP administration experience, particularly with Cisco Unified Communication Manager (UCM), and experience managing mobile systems.
• Proficiency in VoIP systems, UCM configuration, and software-defined and physical endpoint management.
• Strong troubleshooting skills and experience resolving VoIP call management and mobile system issues.
• Experience performing system backups and recovery and maintaining data integrity across critical infrastructure systems.
• Familiarity with network configurations for VoIP and mobile systems.
• Ability to monitor systems, perform updates, and implement patches to maintain service availability.
• Must have a Secret clearance or higher, or be eligible for DoD clearance.

Nice To Haves

• Cisco Certified Network Associate (CCNA) or Cisco Certified Network Professional (CCNP) certification.
• Experience with mobile endpoint management and configuration.
• Familiarity with network security protocols and best practices for VoIP infrastructure.

Responsibilities

• Install software releases, system upgrades, and patches for Cisco Unified Communication Manager (UCM).
• Perform system backups and data recovery while ensuring data integrity across server components.
• Maintain system configurations and monitor system performance to prevent downtime or failure.
• Create, configure, and maintain UCM client endpoints, including software-defined and physical devices.
• Troubleshoot endpoint issues and resolve VoIP call management and mobile system problems.
• Monitor system configurations and logs to protect data integrity, prevent failures, and maintain continuous VoIP services.
• Perform regular patching, system updates, and configuration changes to support system performance and security.
• Work with internal teams and customers to address issues and provide technical support for VoIP and mobile systems.
• Lead troubleshooting efforts for network and VoIP issues in collaboration with cross-functional teams.
• Document system configurations, patch updates, and troubleshooting processes.
• Prepare reports on system performance, potential issues, and resolution steps for internal stakeholders.

Benefits

• 401(k) plan with company matching contributions.
• Dental and vision insurance.
• Health insurance.
• Paid time off (PTO).
• Short-term and long-term disability insurance.
• Life and accidental death and dismemberment (AD&D) insurance.
• Voluntary supplemental benefits for critical illness, accidents, and hospital care.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed