Job Overview 综述:

The primary role of this position is to serve as the Telephony Engineer on the Infrastructure Engineering team.

Responsibilities 职责:

Lead the design, standardization, implementation, and management of global voice/telephony infrastructure.
Liaison with operations team on voice service operations: monitoring/events, incidents, problems, and escalations.
Define full lifecycle service management (roadmap, transition, operation, continuous improvement) for all voice/telephony hardware.
Implement, coordinate and support telephony changes.
Isolate, diagnose and resolve voice/telephony problems individually and through coordination with others.
Maintain system access and security in order to safeguard company data.
Work with various telephony providers on service deliveries, billing, maintenance, support and configuration changes for legacy PBX infrastructure, POTS lines, PRI lines, etc.
Plan and perform Teams telephony migrations from legacy telephony setup
Project contributor to other IT projects where and voice communication changes may be needed




Assist with design of disaster recovery and business continuity plans

Qualifications 要求:

Demonstrated experience, including but not limited to:
PBX telephone systems
Cisco Unified Communications Manager and Voice over IP systems
Teams telephony
Teams based contact center solutions
Teams admin center
Cisco call center solutions
Cisco Finesse
Network protocols and standards, including TCP/IP, DHCP, DNS, and VLANs
Fundamentals of TCP/IP routing and WAN designs
Industry certifications such as CCNP Collaboration, or equivalent
Industry certifications such as Microsoft 365 Certified: Collaboration Communications Systems Engineer Associate, or equivalent
Solid analytical and troubleshooting skills with the ability to diagnose and resolve complex telephony issues
Experience coordinating and working with teams of multiple disciplines globally
Proven success of collaborating with non-IT stakeholders
Practical exper

📌 Senior Engineer, Infrastructure Engineering (Hyderabad)
🏢 Celanese International
📍 Hyderabad