Senior Unified Communications Voice Architect #1809648

Network Designs Inc.•Washington, DC

3d•Onsite

About The Position

We are seeking a technically experienced and solutions-driven Senior Unified Communications Voice Architect to lead the deployment, configuration, troubleshooting, and lifecycle management of enterprise voice and telephony solutions in a secure, large-scale environment spanning more than 800 sites. This role will support Microsoft Teams Voice, Avaya, Managed Secure Telephony Platform, Enterprise Voice over IP, Cisco voice technologies, and related enterprise telephony systems. The selected candidate will be responsible for hands-on technical implementation, solution development, troubleshooting, system optimization, and ongoing operational support. The ideal candidate will have experience managing complex telephony environments, supporting endpoint connectivity, integrating voice solutions with enterprise workflows, and ensuring compliance with federal cybersecurity standards. This position requires a strong communicator who can operate effectively in high-visibility enterprise and government environments while coordinating across engineering, operations, security, vendor, and customer stakeholder teams.

Requirements

U.S. Citizenship is required
Must possess an active TS clearance at the time of application, be willing and able to obtain SCI access, and pass a CI polygraph.
Bachelor's Degree in Information Systems, Computer Science, Business Systems, or related
Minimum of 8 years of experience in enterprise telephony or unified communications, with at least one year of direct experience supporting Microsoft Teams Phone System.
Hands-on experience managing, configuring, and troubleshooting Avaya, Managed Secure Telephony Platform, Microsoft Teams Voice, and Enterprise Voice over IP solutions.
Experience supporting MSTP engineering activities, including system configuration, endpoint connectivity, performance troubleshooting, and operational readiness.
Strong knowledge of Microsoft Teams Voice technologies, including Direct Routing, Operator Connect, Session Border Controllers, SIP/VoIP routing, and dial plan design.
Experience with Avaya, MSTP, Cisco voice technologies, Microsoft platforms, Power BI, SAF, and enterprise telephony tools.
Proficient with PowerShell scripting, Microsoft Teams Admin Center, Microsoft 365 Admin Center, Jira, and ITSM platforms for incident management, service requests, escalations, T4 tickets, workflows, and task tracking.
Strong troubleshooting, root cause analysis, and problem-resolution skills in complex enterprise voice environments, with the ability to ensure systems operate efficiently and reliably.
Ability to configure and optimize Avaya, MSTP, Microsoft Teams Voice, and EVoIP solutions to meet business, operational, security, and enterprise objectives.
Strong communication skills with technical and non-technical stakeholders, including the ability to clearly communicate technical issues, risks, outages, operational impacts, and remediation efforts to leadership and customers.
Experience collaborating with government personnel, civilian engineering teams, vendors, and operational support organizations to proactively identify risks, anticipate customer concerns, and coordinate resolution across multiple teams.

Nice To Haves

Experience migrating from legacy PBX systems to Microsoft Teams Voice.
Familiarity with government cybersecurity compliance frameworks, including STIGs, FISMA, and NIST.
Experience integrating Teams Voice with third-party systems or services.
Microsoft 365 Certified: Collaboration Communications Systems Engineer Associate, or equivalent certification.
Experience providing secure reach-back support in a federal or enterprise environment.
Experience supporting business process modeling, process improvement, or reengineering efforts.

Responsibilities

Lead the implementation and support of enterprise voice services across 800+ locations, including Microsoft Teams Voice, Avaya, MSTP, EVoIP, Cisco voice technologies, and related telephony platforms.
Oversee engineering activities related to MSTP configuration, endpoint connectivity, operational readiness, and system performance.
Manage, configure, and troubleshoot Avaya and MSTP systems to ensure solutions are optimized, reliable, and aligned with business needs.
Support Microsoft Teams Phone System, Direct Routing, Operator Connect, SBC configuration, SIP/VoIP routing, and dial plan design.
Configure and maintain advanced voice features, including E911, call queues, auto attendants, voicemail, number management, endpoint connectivity, and related telephony services.
Maintain and support Enterprise Voice over IP systems to ensure they are functioning at peak performance.
Conduct infrastructure health checks and apply software, firmware, and security updates to telephony systems and components.
Manage development and test lab environments to validate VoIP devices and Analog Telephone Adapters.
Integrate telephony solutions with enterprise systems, service desks, and ITSM workflows to support business continuity.
Provide back-end engineering support for MSTP troubleshooting and resolution of T4 tickets related to telephony issues, ensuring timely and effective solutions.
Provide business process modeling and reengineering support to improve telephony operations, workflows, and service delivery.
Provide secure reach-back support to stakeholders, technical teams, vendors, and operational support personnel.
Apply and maintain STIGs, support vulnerability scanning and remediation, and ensure PKI and certificate validity.
Use monitoring tools, dashboards, and Power BI, as applicable, to track uptime, performance, usage trends, service risks, and operational impacts.
Serve as the escalation point for complex telephony issues, working collaboratively across IT, security, engineering, vendor, government, and operations teams.
Proactively identify service-impacting issues and recommend corrective actions before escalation or operational disruption occurs.
Ensure technical strategies, configurations, and voice solutions align with business needs, security requirements, and enterprise objectives.
Support junior engineers and staff through documentation, peer reviews, technical guidance, and knowledge sharing.