Telecommunications / Unified Communications Engineer

Job Overview

**1099 or W2 Position Available **

We are seeking an experienced Telecommunications / Unified Communications Engineer with strong Avaya Communication Manager expertise to support an enterprise voice communications environment in Rockville, Maryland.

The immediate priority for this role is providing hands-on engineering, administration, troubleshooting, and operational support for a legacy Avaya Communication Manager (CM) environment. The successful candidate will serve as a key technical resource for Avaya voice services while also supporting the organization’s ongoing migration to Microsoft Teams Phone.

This position requires a strong background in traditional enterprise telephony, including Avaya CM administration, dial plans, call routing, SIP trunks, endpoints, voicemail integration, and troubleshooting. Experience with Microsoft Teams Phone, Operator Connect, Session Border Controllers (SBCs), and Poly/Polycom Teams phones is also important as the environment transitions toward a modern cloud-based Unified Communications platform.

Responsibilities

· Serve as a primary technical resource for the organization’s Avaya Communication Manager (CM) environment.

· Administer, maintain, troubleshoot, and support Avaya CM systems and associated enterprise voice services.

· Troubleshoot complex Avaya-related issues involving call routing, dial plans, station configuration, trunking, signaling, endpoints, and system integrations.

· Configure and maintain Avaya stations, extensions, class of service, class of restriction, coverage paths, hunt groups, vectors, vector directory numbers, and routing policies.

· Support and troubleshoot Avaya SIP trunks, signaling groups, trunk groups, and associated call routing.

· Analyze Avaya call flows and system behavior to identify and resolve voice service issues.

· Support moves, adds, changes, and disconnects within the Avaya environment.

· Assist with Avaya system documentation, configuration reviews, inventories, diagrams, and operational procedures.

· Support interoperability between Avaya Communication Manager, SIP infrastructure, SBCs, PSTN carriers, and Microsoft Teams.

· Participate in the migration of users and telecommunications services from Avaya to Microsoft Teams Phone.

· Configure and troubleshoot Microsoft Teams calling policies, dial plans, telephone numbers, and voice configurations.

· Support Microsoft Teams PSTN connectivity using Operator Connect, Direct Routing, and SIP-based services where applicable.

· Configure, administer, and troubleshoot Session Border Controllers (SBCs) such as AudioCodes, Ribbon, or comparable platforms.

· Analyze SIP ladder traces, SIP headers, RTP streams, codecs, and call flows to troubleshoot voice interoperability issues.

· Perform SBC configuration activities including routing, number normalization, number manipulation, codec negotiation, and security policies.

· Deploy, configure, and troubleshoot Poly/Polycom Teams-certified phones and endpoints.

· Troubleshoot inbound and outbound calling, caller ID, voicemail, one-way audio, no-way audio, call quality, and endpoint registration issues.

· Assist with number provisioning, DID management, number porting, and telecommunications carrier coordination.

· Support Microsoft Teams auto attendants, call queues, resource accounts, and related voice services.

· Support testing, migration, cutover, and validation activities associated with the transition from Avaya to Microsoft Teams.

· Provide Tier 2/Tier 3 escalation support for enterprise voice and Unified Communications issues.

· Coordinate with network, systems, security, Microsoft, carrier, and vendor teams to resolve complex telecommunications issues.

Experience

· 5 years of experience supporting enterprise telecommunications, VoIP, or Unified Communications environments.

· Strong hands-on experience administering and troubleshooting Avaya Communication Manager.

· Demonstrated experience supporting complex Avaya CM production environments.

· Strong knowledge of Avaya dial plans, stations, extensions, trunk groups, signaling groups, SIP trunks, coverage paths, hunt groups, vectors, and call routing.

· Experience troubleshooting Avaya call processing and service-impacting voice issues.

· Experience supporting SIP-based integrations between Avaya and external voice platforms.

· Strong understanding of SIP, SIP trunks, RTP, codecs, VoIP, and enterprise call routing.

· Hands-on experience configuring or troubleshooting Session Border Controllers (SBCs).

· Experience with Microsoft Teams Phone / Teams Voice in an enterprise environment.

· Experience with Microsoft Operator Connect, Direct Routing, or similar PSTN connectivity models.

· Experience configuring and troubleshooting enterprise dial plans and telephone number routing.

· Understanding of PSTN connectivity, DIDs, number porting, and telecommunications carrier services.

· Experience troubleshooting latency, jitter, packet loss, one-way audio, no-way audio, codec mism

Join us if you’re ready to elevate our communication infrastructure through innovative engineering solutions! We’re committed to fostering an energetic environment where your expertise drives impactful results—empowering teams with reliable connectivity every day!

Pay: $120,000.00 - $180,000.00 per year

Benefits:

• 401(k)
• Dental insurance
• Health insurance
• Paid time off
• Retirement plan
• Vision insurance

Work Location: Hybrid remote in Rockville, MD 20850

Salary : $120,000 - $180,000