Senior Unified Communications Voice Architect

Location: Washington, DC, US. Onsite five days per week in Washington, D.C., with travel up to 25%. U.S. citizenship and the ability to work in the United States are required.

Company

hirify.global, Inc. is a federal contractor delivering information technology and network solutions for government customers.

What you will do

• Lead deployment and operational support for enterprise voice services across more than 800 locations, including Microsoft Teams Voice, Avaya, MSTP, EVoIP, and Cisco voice technologies.
• Configure, maintain, troubleshoot, and optimize telephony platforms, endpoint connectivity, dial plans, SBCs, SIP/VoIP routing, E911, call queues, auto attendants, voicemail, and number management.
• Support MSTP engineering, infrastructure health checks, software and security updates, lab testing, VoIP device validation, and operational readiness.
• Integrate voice solutions with enterprise systems, service desks, ITSM workflows, and business processes; resolve T4 tickets and complex Tier 3 incidents.
• Apply STIGs, support vulnerability scanning and remediation, and maintain PKI and certificate validity.
• Monitor uptime, performance, usage trends, risks, and operational impacts using monitoring tools, dashboards, and Power BI; provide technical guidance and mentorship.

Requirements

• U.S. citizenship is required.
• An active TS clearance is required at the time of application; willingness and ability to obtain SCI access and pass a CI polygraph are required.
• At least 8 years of experience in enterprise telephony or unified communications, including at least 1 year directly supporting Microsoft Teams Phone System.
• Bachelor’s degree in Information Systems, Computer Science, Business Systems, or a related field.
• Hands-on experience managing, configuring, and troubleshooting Avaya, Managed Secure Telephony Platform, Microsoft Teams Voice, and Enterprise Voice over IP solutions.
• Experience with MSTP engineering activities, including system configuration, endpoint connectivity, performance troubleshooting, and operational readiness.
• Strong knowledge of Microsoft Teams Voice, 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, enterprise telephony tools, PowerShell, Microsoft Teams Admin Center, Microsoft 365 Admin Center, Jira, and ITSM platforms.
• Strong troubleshooting, root cause analysis, problem resolution, communication, and cross-functional collaboration skills in complex enterprise and government environments.

Nice to have

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

Culture & Benefits

• Collaborative workplace with career growth, knowledge sharing, and support for veterans.
• Health, dental, vision, pet, and legal insurance.
• 401(k) matching, paid leave, and paid holidays.
• Employer-paid life and disability insurance, health and wellness programs, professional development, and education benefits.