Senior Unified Communications Voice Architect

About NDi Network Designs, Inc. (NDi) is a leading Federal contractor that specializes in designing, developing, and delivering information technology and network solutions for government customers. Founded in 1985, NDi's cornerstones are collaboration, career growth, and innovative solutions. Military Veterans Encouraged to Apply Military Veterans are especially encouraged to apply. Job Description 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. 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. This position is onsite 5 days a week in Washington D.C. with Travel up to 25%. Qualifications And Experience 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. Preferred Qualifications 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. Primary Product Knowledge Microsoft Teams Voice / Microsoft 365 Avaya Managed Secure Telephony Platform Cisco voice technologies Enterprise Voice over IP Power BI SAF Session Border Controllers Direct Routing Operator Connect SIP/VoIP routing Responsibilities Enterprise Voice Deployment: 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. MSTP Engineering Support: Oversee engineering activities related to MSTP configuration, endpoint connectivity, operational readiness, and system performance. Avaya and MSTP Troubleshooting: Manage, configure, and troubleshoot Avaya and MSTP systems to ensure solutions are optimized, reliable, and aligned with business needs. Microsoft Teams Voice Support: Support Microsoft Teams Phone System, Direct Routing, Operator Connect, SBC configuration, SIP/VoIP routing, and dial plan design. Voice System Optimization: Configure and maintain advanced voice features, including E911, call queues, auto attendants, voicemail, number management, endpoint connectivity, and related telephony services. EVoIP Support: Maintain and support Enterprise Voice over IP systems to ensure they are functioning at peak performance. Infrastructure Monitoring and Maintenance: Conduct infrastructure health checks and apply software, firmware, and security updates to telephony systems and components. Testing and Lab Support: Manage development and test lab environments to validate VoIP devices and Analog Telephone Adapters. Workflow and System Integration: Integrate telephony solutions with enterprise systems, service desks, and ITSM workflows to support business continuity. Ticket and Incident Support: Provide back-end engineering support for MSTP troubleshooting and resolution of T4 tickets related to telephony issues, ensuring timely and effective solutions. Business Process Support: Provide business process modeling and reengineering support to improve telephony operations, workflows, and service delivery. Secure Reach‑Back Support: Provide secure reach‑back support to stakeholders, technical teams, vendors, and operational support personnel. Security Compliance: Apply and maintain STIGs, support vulnerability scanning and remediation, and ensure PKI and certificate validity. Monitoring and Reporting: Use monitoring tools, dashboards, and Power BI, as applicable, to track uptime, performance, usage trends, service risks, and operational impacts. Incident Response and Tier 3 Support: Serve as the escalation point for complex telephony issues, working collaboratively across IT, security, engineering, vendor, government, and operations teams. Risk Management: Proactively identify service‑impacting issues and recommend corrective actions before escalation or operational disruption occurs. Technical Strategy Alignment: Ensure technical strategies, configurations, and voice solutions align with business needs, security requirements, and enterprise objectives. Mentorship and Knowledge Sharing: Support junior engineers and staff through documentation, peer reviews, technical guidance, and knowledge sharing. Compensation And Benefits Compensation: $143,000 – $170,000 per year. Benefits: Competitive health, dental, vision, pet, and legal insurance; 401(k) retirement matching; paid leave; holidays; health and wellness programs; employer‑paid life and disability insurance; professional development; education benefits; and more. Veterans First Commitment As a Service‑Disabled Veteran‑Owned Small Business (SDVOSB), NDi is dedicated to hiring veterans and providing a supportive work environment that honors their service. Commitment To Diversity Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, protected veteran status or other characteristics protected by law. #J-18808-Ljbffr Network Designs, Inc.