Cisco Unified Communications Engineer (L3)

NTT; Kuala Selangor; On-site; MYR 150,000 - 200,000; Full time

Job summary

A leading technology firm in Kuala Selangor is seeking a Cisco Unified Communications Engineer (L3) to design, configure, and maintain UC systems. The ideal candidate has a Bachelor’s degree in a related field and at least 7 years of experience with Cisco UC technologies, VoIP protocols, and networking. Responsibilities include providing technical support, integrating systems, and participating in UC-related projects. This role offers a dynamic work environment that embraces diversity and inclusiveness.

Qualifications

• Minimum 7 years of hands-on experience with Cisco UC technologies.
• Strong knowledge of VoIP protocols.
• Certifications preferred: CCNP Collaboration or equivalent.

Responsibilities

• Design, deploy, configure, and maintain Cisco Unified Communications systems.
• Provide L2/L3 support for UC incidents and escalations.
• Integrate UC with other infrastructure.

Skills

Cisco UC technologies

VoIP protocols (SIP, H.323, MGCP, SCCP)

Networking (routing, switching)

UC system monitoring and troubleshooting

Cross-functional teamwork

Education

Bachelor’s degree in Computer Science or equivalent

Tools

RTMT

Job description

Cisco Unified Communications Engineer (L3)

Make an impact with NTT DATA

Join a company that is pushing the boundaries of what is possible. We are renowned for our technical excellence and leading innovations, and for making a difference to our clients and society. Our workplace embraces diversity and inclusion – it’s a place where you can grow, belong and thrive.

Key Responsibilities:

• Design, deploy, configure, and maintain Cisco Unified Communications systems, including CUCM (Cisco Unified Communications Manager), Cisco Contract Center, Cisco Webex, and Voice Recording.
• Manage and support Cisco voice gateways, session border controllers (SBCs), and IP telephony endpoints (phones, video devices).
• Implement and troubleshoot VoIP protocols: SIP, H.323, MGCP, SCCP.
• Monitor UC system performance, perform capacity planning, and maintain high availability.
• Perform software upgrades, patches, and backups of UC systems.
• Provide L2/L3 support for UC incidents, escalations, and change management.
• Integrate UC with other infrastructure (Active Directory, DNS, Certificates, Network).
• Work closely with network, security, and operations teams to ensure QoS, redundancy, and security of voice traffic.
• Develop and maintain documentation: dial plans, call flow diagrams, run-books, and procedures.
• Provide training and support to users and junior engineers.
• Participate in UC-related projects: migrations, voice-data convergence, UC-cloud integration, etc.

Qualifications & Skills:

• Bachelor’s degree in Computer Science, Information Technology, Telecommunications, or equivalent work experience.
• Minimum 7 years of hands‑on experience with Cisco UC technologies (CUCM, UCCX, Webex, voice recording, etc.).
• Strong knowledge of VoIP protocols: SIP, H.323, MGCP, SCCP.
• Experience with Cisco voice gateways, SBCs, and integrated dial‑plan design.
• Solid understanding of networking (routing, switching) and how it applies to voice (QoS, VLAN, NAT).
• Experience with clustering, redundancy, and fault tolerance in UC infrastructure.
• Proficiency in UC system monitoring and troubleshooting tools (e.g. RTMT, logs).
• Certifications preferred: CCNP Collaboration or equivalent.
• Good communication skills (English), documentation and planning abilities.
• Ability to work with cross‑functional teams, elevate issues, and manage projects.

Equal Opportunity Employer NTT DATA is proud to be an Equal Opportunity Employer with a global culture that embraces diversity. We are committed to providing an environment free of unfair discrimination and harassment. We do not discriminate based on age, race, colour, gender, sexual orientation, religion, nationality, disability, pregnancy, marital status, veteran status, or any other protected category.