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Call Manager SME (Subject Matter Expert)

Vision IT

Posted today

Job Requirements

Los Angeles, CA
Secret Polygraph not specified
Senior Level Career (10+ yrs experience)
$92,000 - $140,000

Job Description

Position Summary
Vision IT is seeking a highly skilled Call Manager Subject Matter Expert (SME) to support enterprise voice and unified communications systems at Los Angeles Air Force Base. The ideal candidate will provide technical leadership, administration, troubleshooting, and sustainment of Cisco Call Manager and related VoIP infrastructure within a secure DoD environment.

This role requires deep expertise in Cisco Unified Communications technologies, strong problem-solving skills, and the ability to support mission-critical communications systems onsite at LAAFB.

(This Position is Contingent Upon Award)

Key Responsibilities
Administer, configure, maintain, and support Cisco Unified Communications Manager (CUCM) environments
Serve as the technical SME for enterprise voice, VoIP, and unified communications systems
Perform system upgrades, patching, troubleshooting, and performance tuning
Support Cisco Unity Connection, voice gateways, SIP trunks, and related collaboration technologies
Monitor and maintain voice network availability, reliability, and security
Diagnose and resolve complex voice and network-related issues in a timely manner
Collaborate with cybersecurity, network, and systems teams to ensure compliance with DoD security standards
Develop and maintain technical documentation, diagrams, and standard operating procedures
Support incident response, change management, and continuity of operations activities
Provide technical guidance and mentorship to junior team members as needed
Required Qualifications
Active DoD Secret Clearance (must be current and maintainable)
CompTIA Security+ certification (or DoD 8570/8140 compliant equivalent)
10–15 years of experience supporting Cisco Unified Communications, VoIP, and enterprise telephony systems
Strong hands-on experience with Cisco Unified Communications Manager (CUCM)
Experience supporting VoIP, SIP, Cisco Unity, and enterprise collaboration platforms
Knowledge of voice gateways, dial plans, call routing, and QoS
Understanding of network protocols including TCP/IP, DNS, DHCP, and VLANs
Ability to troubleshoot complex unified communications environments
Ability to work onsite full-time at LAAFB
Preferred Qualifications
Cisco certifications such as CCNA Collaboration, CCNP Collaboration, or equivalent
Experience supporting DoD or federal government communication systems
Familiarity with DISA STIGs and DoD cybersecurity compliance requirements
Experience with Microsoft Teams voice integration or hybrid telephony environments
Strong communication, documentation, and customer support skills
Experience in highly available and mission-critical enterprise environments
Why Vision IT?

At Vision IT, we lead with People First, ensuring our employees and customers thrive. We foster an environment of compassion, servant leadership, and operational excellence, enabling our teams to support mission-critical logistics with integrity and professionalism. If you are passionate about IT asset management, logistics, and ensuring operational success in a DoD environment, we want you on our team.
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Job Category
IT - Support
Clearance Level
Secret
Employer
Vision IT