Jobs
Voice/Telephony Engineer
| Posted On: Mar 3, 2026
Waltham, MA 02451
6 Months, Contract
Hybrid Remote
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)
- We care about you! Explore Rangam’s benefits information
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.