Jobs

Voice/Telephony Engineer

|  Posted On: Mar 3, 2026

location:Waltham, MA 02451

Duration:6 Months, Contract

mode of work:Hybrid Remote

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Job Summary

Job Title:  
Voice/Telephony Engineer
Posted Date:  
Mar 3, 2026
Duration:  
6 Months, Contract
Shift(s):  

08:00 - 16:00 EST

Salary ($): 
75.00 - 80.00 per Hourly (compensation based on experience and qualifications)
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Talk to our Recruiter

Name:
 
Ashish Makwana

Email:
 
Ashishm@rangam.com

Phone:
 
425-800-0574

Description

Waltham, Ma

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

Principal Voice Network Engineer

  • 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.