Sr. VoIP Call Manager / (Call Manager ADMIN)

Vision Information Technology Consultants LLC; Los Angeles (CA); On-site; USD 120,000 - 180,000; Full time

Benefits offered by this job

401(k) Plan

Dental & Vision Insurance

Health Insurance

Paid Time Off (PTO)

Disability Insurance

Life & AD&D Insurance

Supplemental Benefits

Job summary

Vision IT is seeking a Sr. VoIP Call Manager / Mobile (Systems Administrator) to support Cisco UCM and mobile systems in the Los Angeles area. You will upgrade, troubleshoot, and maintain critical communication infrastructure to ensure high availability for DoD-related services.

The role requires strong VoIP expertise, endpoint management, and a collaborative problem-solving mindset. Candidates should be eligible for DoD clearance and be prepared to work on-site in Los Angeles.

Qualifications

• 5+ years of hands-on VoIP administration with UCM.
• Experience managing mobile endpoints and VoIP systems.
• Strong troubleshooting for VoIP call issues and mobile services.

Responsibilities

• Install and upgrade UCM software, apply patches for stability.
• Back up data and perform recovery across servers.
• Configure and maintain VoIP endpoints (software and hardware).
• Monitor configurations, logs, and performance to prevent downtime.
• Lead troubleshooting with cross-functional teams for VoIP issues.
• Document configurations, patches, and resolutions; produce reports.

Skills

VoIP administration

Cisco UCM

Endpoint management

Troubleshooting

System backups & recovery

Network configurations

Collaboration & problem resolution

Tools

Cisco Unified Communications Manager (UCM)

Job description

Overview

At Vision IT, we put people first-our employees, their families and customers. As a Sr. VoIP Call Manager / Mobile (Systems Administrator), you will play a key role in ensuring the smooth operation and support of our Cisco Unified Communication Manager (UCM) and mobile systems. This hands-on technical role involves managing system upgrades, troubleshooting, and maintaining communication systems while providing high-quality service and ensuring system availability. Your expertise will directly impact our mission by ensuring the seamless operation of VoIP services, mobile endpoints, and other critical communication infrastructure.

Key Responsibilities

System Management & Installation

• Install new software releases and system upgrades for Cisco Unified Communication Manager (UCM), evaluating and installing patches to maintain system stability.
• Perform system backups and data recovery, ensuring data integrity across all server components.
• Maintain system configurations and monitor system performance to prevent downtime or failure.

Endpoint Management & Troubleshooting

• Create, configure, and maintain client endpoints within the UCM, ensuring smooth communication between software-defined and physical devices.
• Troubleshoot and resolve issues related to endpoints, both software-defined and physical, ensuring optimal functionality.

System Monitoring & Maintenance

• Continuously monitor system configurations and logs to ensure data integrity, prevent failures, and ensure continuous VoIP services.
• Conduct regular patching, system updates, and configuration changes to ensure optimal system performance and security.

Collaboration & Problem Resolution

• Work closely with internal teams and customers to address issues, providing technical support and solutions for any VoIP-related or mobile system concerns.
• Lead troubleshooting efforts for network and VoIP-related issues, collaborating with cross-functional teams to resolve problems efficiently.

Documentation & Reporting

• Maintain detailed records of system configurations, patch updates, and troubleshooting processes.
• Prepare regular reports on system performance, potential issues, and resolution steps for internal stakeholders.

Qualifications & Required Experience

• 5+ years of hands-on experience with VoIP administration, especially with Cisco Unified Communication Manager (UCM), and managing mobile systems.
• Proficiency in VoIP systems, UCM configuration, and endpoint management (both software-defined and physical).
• Strong troubleshooting skills and experience in resolving VoIP call management and mobile system issues.
• Solid experience in performing system backups, recovery, and ensuring the integrity of data across critical infrastructure systems.
• Familiarity with network configurations, including the ability to manage and maintain configurations for VoIP and mobile systems.
• Ability to monitor systems, perform updates, and implement patches to ensure the highest level of service availability.

Preferred Skills

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

Security Clearance: Secret or higher (must be eligible for DoD clearance).

Why Vision IT?

At Vision IT, we are committed to compassion, excellence, and servant leadership. We empower our teams to drive mission success, ensuring seamless IT service delivery for Los Angeles AFB and its mission partners. If you are a results-driven IT leader, passionate about people, program excellence, government IT service management, and leading high-performing teams, we want you on our team.

At Vision IT, we prioritize the health, well-being, and financial security of our employees with a comprehensive benefits package, including:

• 401(k) Plan: Company matching contributions to help you save for retirement.
• Dental & Vision Insurance: Coverage for dental care, eye exams, glasses, and contacts.
• Health Insurance: Comprehensive medical coverage.
• Paid Time Off (PTO): Generous policy to maintain work-life balance.
• Disability Insurance: Short-term and long-term protection for financial stability.
• Life & AD&D Insurance: Coverage for life and accidental death/dismemberment.
• Supplemental Benefits: Voluntary benefits for critical illness, accident, and hospital care.

We are dedicated to supporting your health, well-being, and long-term financial goals.

Vision IT provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, sex, national origin, age, disability, or genetics. In addition to federal law requirements, Vision IT complies with applicable state and local laws governing nondiscrimination in employment in every location where the company has facilities. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training.

Vision IT expressly prohibits any form of workplace harassment based on race, color, religion, gender, sexual orientation, gender identity or expression, national origin, age, genetic information, disability, or veteran status. Improper interference with Vision IT's employees' ability to perform their job duties may result in discipline up to and including discharge.