Senior Unified Communications Engineer — Teams & Avaya

National Capitol Contracting LLC; Washington (District of Columbia); On-site; USD 65,000 - 75,000; Full time

Job summary

National Capitol Contracting LLC is seeking a Telecom Engineer/Analyst in Washington, DC to support an enterprise unified communications environment with focus on Microsoft Teams Voice and Direct Routing, plus Avaya telephony and legacy services.

The role entails Tier 2/3 support, designing dial plans, troubleshooting voice issues, administering Avaya components and virtual servers, and coordinating with carriers and vendors to ensure high service quality; some after-hours work may be required.

Qualifications

• Ability to obtain a Public Trust clearance (credit and background checks).
• 8+ years of hands-on Avaya experience in an enterprise telecommunications environment.
• Extensive hands-on experience with Microsoft Teams Voice, Teams Phone, and Direct Routing.
• Experience configuring Teams dial plans, voice policies, auto attendants, call queues, and routing.
• Experience providing Tier 2 or Tier 3 support for enterprise VoIP or unified communications environments.
• Hands-on experience with Avaya Communication Manager 7.x or later.
• Hands-on experience with Avaya System Manager and Session Manager 7.1 or later.
• Experience with AVP, AES, WFO, and CDR.
• Experience administering VMware ESXi, virtual servers, and Windows or Linux server environments.
• Knowledge of enterprise call routing, carrier services, PSTN connectivity, and voice-quality troubleshooting.
• Ability to participate in shift work or after-hours support within a 24/7/365 operational environment.

Responsibilities

• Provide Tier 2/3 support for Teams Phone, Direct Routing, Avaya telephony, and enterprise unified communications services.
• Design, configure, and maintain Teams Voice solutions, including dial plans, voice policies, auto attendants, call queues, and call-routing configurations.
• Troubleshoot call-quality, call-routing, carrier-connectivity, and voice-service issues; perform root-cause analysis and implement corrective actions.
• Administer Avaya Communication Manager, System Manager, Session Manager, AVP, AES, WFO, and CDR solutions.
• Manage supporting virtual servers, VMware ESXi hosts, and Windows and Linux server environments.
• Support legacy telecommunications services, including analog and digital lines, PSTN connectivity, and voice trunks.
• Collaborate with telecommunications carriers, Microsoft, and third-party vendors to maintain service availability and performance.
• Monitor system health and performance indicators to identify service degradation, operational gaps, vulnerabilities, and infrastructure risks.
• Perform system maintenance, configuration changes, upgrades, testing, vulnerability remediation, and platform enhancements.
• Maintain technical documentation, system configuration records, and troubleshooting procedures.
• Participate in shift work and after-hours call-in support as needed to meet customer SLAs in a 24/7/365 environment.

Skills

Teams Voice

Direct Routing

Avaya

VoIP

VMware ESXi

Windows Server

Linux

24/7 support

Tools

Avaya CM

Avaya SM

Session Manager

AVP

AES

WFO

CDR

Job description

National Capitol Contracting LLC is seeking a Telecom Engineer/Analyst in Washington, DC to support an enterprise unified communications environment with focus on Microsoft Teams Voice and Direct Routing, plus Avaya telephony and legacy services.

The role entails Tier 2/3 support, designing dial plans, troubleshooting voice issues, administering Avaya components and virtual servers, and coordinating with carriers and vendors to ensure high service quality; some after-hours work may be required.