Job Title: Senior Telecom Engineer/Network Engineer

Location: On-site ( Boston) – 4 days/week

Type: Contract (12+ months, with extensions)

Interview Process: 2 rounds (1st remote, 2nd on-site)

Overview

We are seeking a Senior Telecom Engineer to join a growing Telecom team supporting a large-scale modernization of enterprise voice and collaboration platforms. This role will be instrumental in transforming legacy telephony systems into a scalable, cloud-enabled (UCaaS/CCaaS) environment.

This is a highly visible, hands-on role focused on architecture, implementation, and support of enterprise voice, contact center, and unified communications solutions.

Key Responsibilities

Architecture & Design

• Design and manage enterprise voice and collaboration architecture (PBX, Contact Center, UCaaS/CCaaS)
• Develop dial plans, call routing, IVR flows, voicemail, and video solutions
• Define and enforce security standards, e911 policies, and configuration best practices
• Lead design and optimization of contact center solutions (IVR, call flows, workforce tools)
• Ensure system resiliency, high availability, and capacity planning

Implementation & Support

• Execute system upgrades, migrations, and integrations across voice platforms
• Provide Tier 3 support for complex voice and collaboration issues (SIP, QoS, SBC, gateways)
• Manage SIP trunking, PSTN services, number porting, and carrier relationships
• Monitor and troubleshoot using tools like Wireshark, SolarWinds, and call tracing tools
• Support transition from legacy systems (e.g., Avaya) to cloud-based platforms

Contact Center & Integrations

• Design and optimize IVR/IVA systems, call routing, and customer experience workflows
• Integrate voice platforms with CRMs and third-party applications (APIs, .NET)
• Support and enhance platforms such as Five9, Verint, and similar CCaaS tools