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RCI-RID-17212 Voice/Telephony Engineer in Waltham, MA (Hybrid)

Rangam, Waltham, MA, United States


Apply Here: https://talentarbor.com/job/details/136401/3/209/voice-telephony-engineer-waltham-ma-us

Waltham, MA

Hybrid : Attending office and client sites/substations as needed to progress work, expected to be adhoc and infrequent

The Voice/Telephony Engineer provides expert-level design, integration, and support of enterprise telephony services across both legacy PBX platforms and modern IP-based systems (e.g., Cisco Call manager and Microsoft Teams Voice, VoIP).

Operating with substantial autonomy, the engineer leads the technical development and lifecycle management of voice infrastructure solutions, ensuring alignment with enterprise architecture and business requirements.

This role serves as the principal advisor on telephony systems and drives continuous service improvement initiatives in collaboration with internal teams and external vendors.

Position Responsibilities
Telephony Strategy, Design & Architecture

Lead the design and evolution of enterprise voice systems, integrating legacy PBX platforms (e.g., Avaya and Nortel) with modern IP-based telephony solutions (e.g., Cisco Call manager) and cloud-based solutions (e.g. MS Teams).

Develop scalable, resilient, and secure telephony architectures that align with broader enterprise IT strategies.

Define technical standards and contribute to voice-related architecture roadmaps and governance.

Implementation & Lifecycle Management

Oversee deployment, upgrades, and decommissioning of telephony systems, ensuring minimal service disruption and optimal performance.

Manage migration initiatives from legacy to IP-based platforms, applying structured change and release management practices.

Define and maintain lifecycle management plans and asset inventories for telephony infrastructure.

Operations, Support & Optimization

Provide expert-level troubleshooting and resolution of complex voice-related incidents and performance issues.

Collaborate with network teams to ensure voice traffic quality and reliability, applying QoS and SIP diagnostics.

Monitor system performance and lead continuous improvement efforts including performance tuning and capacity planning.

Advisory & Stakeholder Engagement

Act as the subject matter expert (SME) for enterprise voice services, advising business and IT stakeholders on capabilities, constraints, and risks.

Translate business requirements into technical specifications and influence telephony investment decisions.

Lead vendor engagements, contract reviews, and evaluation of emerging voice technologies.

Governance, Compliance & Documentation

Ensure voice systems are compliant with corporate security policies and relevant regulations (e.g., E911, call logging, data protection).

Develop and maintain detailed technical documentation, diagrams, and SOPs for telephony environments.

Contributes to the development and enforcement of telephony governance policies, design standards, and operational procedures.

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