Location: 100% remote, seeking candidates located in Mexico or Latin America
Contract Length: 1 year, with potential extension.
Contract Rate: $25–$30 per hour in USD. Final compensation will be determined based on relevant experience, technical expertise, location, engagement model, and overall fit for the position.
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.
- Experience with VoIP infrastructure design, administration, migration, troubleshooting, and Level 3 support.
- Solid knowledge of IP networking fundamentals, including switching, routing, firewalls, and Quality of Service for voice traffic.
- Ability to work autonomously, prioritise effectively, and manage client expectations in a remote environment.
- Experience working with ticketing or IT service management systems.
- Advanced English proficiency, with the ability to lead technical discussions, explain incidents and solutions, and produce clear technical documentation.
Nice-to-Have:
- Experience with Cisco Unified Communications Manager consolidation, upgrades, or migrations, particularly version 12.5.
- Knowledge of SIP, voice gateways, dial plans, Cisco CUBE, session border controllers, and voice traffic analysis.
- Experience supporting large enterprise or utility environments.
- CCNP certification or advanced Cisco collaboration expertise.
Tools & Technologies:
- Cisco Unified Communications Manager (CUCM)
- Cisco VoIP and collaboration infrastructure
- SIP, IP telephony, voice gateways, and call routing
- Switching, routing, firewalls, and Quality of Service
- Ticketing and IT service management platforms
Education & Certifications:
- Bachelor’s degree in Computer Science, Information Technology, Engineering, Telecommunications, or a related field, or equivalent professional experience.
- CCNA certification preferred.
- CCNP certification highly preferred.
Required Equipment: This role requires the use of a personal laptop. Candidates must be comfortable with company security software and device management tools being installed on their laptop as part of the onboarding process and for the duration of the engagement.
About NTT DATA
NTT DATA is a Top 5 global IT services provider with more than 190,000 professionals across 50+ countries. We combine industry expertise with capabilities in consulting, technology, AI, cloud, applications, infrastructure, and connectivity to help organizations innovate, optimize, and transform. Through responsible innovation, we deliver meaningful business outcomes, accelerate client success, and create a positive impact on society.
Equal Opportunity Employer
NTT DATA is committed to hiring and retaining a diverse workforce. We are proud to be an Equal Opportunity/Affirmative Action-Employer, making decisions without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class. NTT DATA is an Equal Opportunity Employer Male/Female/Disabled/Veteran and a VEVRAA Federal Contractor.
Req ID: 1342
Skills Required
- 5+ years of experience in IT VoIP using Cisco VoIP technologies
- CCNA or CCNP certification, preferably 350-801 CLCOR
- Ability to work onsite in Orange, Connecticut
- Ability to work autonomously and manage client expectations
- Effective interpersonal, written, and verbal communication skills
- Strong organization and time-management skills
- Knowledge of Cisco Unified Communications design and management
- Knowledge of switching and routing
- Familiarity with ticketing systems such as IT Now
What We Do
NTT DATA Services is a recognized leader in IT and business services including cloud, data and applications. A division of NTT DATA headquartered in Texas, the company leverages consulting and deep industry expertise to help clients accelerate and sustain value throughout their digital journeys. NTT DATA – a part of NTT Group – is a trusted global innovator of IT and business services headquartered in Tokyo. We help clients transform through consulting, industry solutions, business process services, digital & IT modernization and managed services in over 50 countries.
