Location: Mexico or Latin America | 100% Remote
Employment Type: Full-time employment (Mexico) or freelance/independent contractor engagement (LATAM)
Contract Length: At least 1 year
Compensation Range: USD $25–$30 per hour. Final compensation will be determined based on relevant experience, technical expertise, location, engagement model, and overall fit for the position.
English Level: Advanced English proficiency required

NTT DATA is seeking a driven Senior VoIP / Cisco Collaboration Engineer to serve as a Subject Matter Expert for enterprise VoIP communications in a Cisco-based environment. The successful candidate will support a major transformation of the client’s voice infrastructure, including Cisco Unified Communications Manager consolidation and migration to version 12.5, while providing Level 3 support within a multi-tier networking organisation.

Responsibilities:

• Act as the Subject Matter Expert for enterprise VoIP and Cisco collaboration technologies.
• Contribute to VoIP transformation initiatives,



including Cisco Unified Communications Manager consolidation and migration to version 12.5.
• Provide Level 3 technical support for complex voice and networking incidents in a multi-tier support environment.
• Design, administer, maintain, and troubleshoot VoIP infrastructure to ensure reliability, performance, and service continuity.
• Collaborate with networking, infrastructure, security, service management, and client stakeholders to resolve technical issues and deliver project objectives.
• Manage client expectations, communicate risks and progress clearly, and work independently with limited supervision.
• Create and maintain accurate technical documentation, operational procedures, incident records, and implementation plans.

Required Experience:

• 5+ years of professional experience supporting and managing enterprise VoIP environments.
• Hands-on experience with Cisco Unified Communications Manager (CUCM) and Cisco-based voice infrastructure.
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📌 Senior VoIP (Modena)
🏢 Ntt Data Europe & Latam
📍 Modena