Voice Engineer II

Brio Energy; Carthage (MO); On-site; USD 100,000 - 135,000; Full time

Job summary

Leggett & Platt Inc. is seeking a Voice Engineer II to lead migrations from legacy telephony to Microsoft Teams Voice and SIP-based solutions.

You will design, implement, and operate enterprise voice systems, focusing on Direct Routing, CUCM, AudioCodes SBCs, and gateway integration. You will develop call flows, network diagrams, and runbooks while ensuring high availability, performance, and interoperability across Teams, Cisco UC, and carrier environments.

Qualifications

• Bachelor's degree or equivalent combination of education and experience.
• 3-5 years of enterprise voice engineering experience.
• Experience supporting Microsoft Teams Voice and Direct Routing.
• Experience administering Cisco Unified Communications Manager (CUCM).
• Experience supporting AudioCodes SBCs and media gateways.
• Experience with voice migration projects involving PBX, TDM, PRI, analog, or SIP-based technologies.
• Strong understanding of SIP, RTP/SRTP, TLS, PSTN Connectivity, Voice Routing, QoS, VoIP Networking.
• Experience creating technical documentation, call flow diagrams, and implementation procedures.

Responsibilities

• Support migrations from legacy PBX, TDM, PRI, and analog telephony systems to Microsoft Teams Voice and centralized SIP-based services.
• Assist with implementing approved voice designs, migration plans, technology upgrades, and modernization initiatives.
• Develop and maintain high-level designs, low-level designs, call flow diagrams, network diagrams, migration runbooks, and operational documentation.
• Configure and support Microsoft Teams Phone, including Direct Routing, dial plans, voice routing policies, Auto Attendants, Call Queues, Resource Accounts, and emergency calling policies.
• Administer and maintain AudioCodes SBCs and gateways supporting Direct Routing, SIP trunking, and enterprise voice services.
• Assist with migrations and support of analog devices including paging systems, overhead speakers, elevator phones, emergency phones, door phones, alarm dialers, and fax services.
• Configure and support Cisco Unified Communications Manager (CUCM), including SIP trunks, route patterns, translation patterns, calling search spaces, partitions, device pools, and dial plans.
• Support interoperability and coexistence between Microsoft Teams, Cisco UC platforms, AudioCodes infrastructure, and telecommunications carriers.
• Assist with E911 and Dynamic Emergency Calling deployments, testing, location management, and ongoing support.
• Troubleshoot SIP, RTP, SRTP, TLS, voice routing, call quality, codec negotiation, and interoperability issues across voice platforms.
• Analyze SIP traces, AudioCodes logs, CUCM traces, Teams Call Analytics, CQD reports, and packet captures to identify and resolve service issues.
• Support SIP trunk deployments, carrier integrations, telephone number porting activities, and transitions from traditional telephony services to SIP architecture.
• Participate in system upgrades, maintenance windows, firmware updates, testing activities, disaster recovery exercises, and production cutovers.
• Provide Tier I and Tier II operational support and collaborate with network, security, infrastructure, and carrier teams to maintain highly available voice services.

Skills

Microsoft Teams Voice

Direct Routing

CUCM

AudioCodes SBCs

PBX/TDM/PRI migration

SIP

RTP/SRTP

TLS

PSTN Connectivity

QoS

VoIP Networking

Technical documentation

Education

Bachelor's degree or equivalent

Tools

Visio

OVOC (One Voice Operations Center)

Job description

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We, at Leggett & Platt Inc., are searching for a Voice Engineer II within our Corporate ITteam to help support our business. As a global-diversified manufacturing company, it’s sometimes hard to explain all the different things we do. We like to say, “we’re the biggest company no one has ever heard of.” We are confident you interact with one of our products in your daily life without knowing it. Whether it’s the mattress you sleep on, the car you drive, the plane you fly on, or the furniture you sit on, our high-quality components are there supporting you. If you join our team, your work will ensure people across the world have a little more comfort in their lives.

As a Voice Engineer II you will have the opportunity to support the design, implementation, migration, and operation of enterprise voice and unified communications solutions. Your contributions will have a direct impact on the business by serving as a key technical contributor for voice transformation initiatives, including migrations from legacy PBX, TDM, and analog environments to Microsoft Teams Voice and centralized SIP-based communications platforms.

The ideal candidate has experience with Microsoft Teams Voice, Direct Routing, AudioCodes SBCs and gateways, Cisco Unified Communications Manager (CUCM), Avaya, Mitel, SIP technologies, and enterprise voice troubleshooting. This individual will develop technical documentation, create call flow diagrams, assist with solution design, support migration activities, and help maintain reliable voice services across the organization.

So, what will you be doing as a Voice Engineer II?

• Support migrations from legacy PBX, TDM, PRI, and analog telephony systems to Microsoft Teams Voice and centralized SIP-based services.
• Assist with implementing approved voice designs, migration plans, technology upgrades, and modernization initiatives.
• Develop and maintain high-level designs, low-level designs, call flow diagrams, network diagrams, migration runbooks, and operational documentation.
• Configure and support Microsoft Teams Phone, including Direct Routing, dial plans, voice routing policies, Auto Attendants, Call Queues, Resource Accounts, and emergency calling policies.
• Administer and maintain AudioCodes SBCs and gateways supporting Direct Routing, SIP trunking, and enterprise voice services.
• Support AudioCodes MP-124 and other gateway solutions used to integrate analog and legacy telephony services into SIP-based environments.
• Assist with migrations and support of analog devices including paging systems, overhead speakers, elevator phones, emergency phones, door phones, alarm dialers, and fax services.
• Configure and support Cisco Unified Communications Manager (CUCM), including SIP trunks, route patterns, translation patterns, calling search spaces, partitions, device pools, and dial plans.
• Support interoperability and coexistence between Microsoft Teams, Cisco UC platforms, AudioCodes infrastructure, and telecommunications carriers.
• Assist with E911 and Dynamic Emergency Calling deployments, testing, location management, and ongoing support.
• Troubleshoot SIP, RTP, SRTP, TLS, voice routing, call quality, codec negotiation, and interoperability issues across voice platforms.
• Analyze SIP traces, AudioCodes logs, CUCM traces, Teams Call Analytics, CQD reports, and packet captures to identify and resolve service issues.
• Support SIP trunk deployments, carrier integrations, telephone number porting activities, and transitions from traditional telephony services to SIP architecture.
• Participate in system upgrades, maintenance windows, firmware updates, testing activities, disaster recovery exercises, and production cutovers.
• Provide Tier I and Tier II operational support and collaborate with network, security, infrastructure, and carrier teams to maintain highly available voice services.

To be successful in this role, you’ll need:

• Bachelor's degree or equivalent combination of education and experience.
• 3-5 years of enterprise voice engineering experience.
• Experience supporting Microsoft Teams Voice and Direct Routing.
• Experience administering Cisco Unified Communications Manager (CUCM).
• Experience supporting AudioCodes SBCs and media gateways.
• Experience with voice migration projects involving PBX, TDM, PRI, analog, or SIP-based technologies.
• Strong understanding of:
• SIP
• RTP/SRTP
• TLS
• PSTN Connectivity
• Voice Routing
• QoS
• VoIP Networking
• Experience creating technical documentation, call flow diagrams, and implementation procedures.

Things we consider a plus:

• Microsoft Teams Phone or Teams Voice certifications.
• Experience with AudioCodes Mediant SBCs, MP-124 gateways, and One Voice Operations Center (OVOC).
• Experience with analog-to-SIP and TDM-to-SIP migration projects.
• Knowledge of E911 and Dynamic Emergency Calling.
• Experience with carrier SIP trunk integrations and Direct Routing deployments.
• PowerShell scripting experience.
• Experience using Visio or similar diagramming tools.
• Knowledge of MPLS, SD-WAN, routing, switching, DNS, DHCP, NAT, and firewall concepts.

Our Values

Our values speak to our shared beliefs, and describe how we approach working together.

• Put People First reflects our commitment to safety and care of each other, learning and development, and creating an inclusive environment of mutual respect, empathy and belonging.
• Do the Right Thing focuses us on acting with honesty and integrity, delivering the results the right way, taking pride in our work, and speaking the truth – good or bad.
• Do Great Work…Together occurs when we engage without hierarchy, collaborate as a team, embrace challenges, and work for the good of all of us.
• Take Ownership and Raise the Bar demonstrates our responsibility to add value and make a difference, challenge the status quo and biases to make things better, foster innovative and creative solutions to drive impact, and explore new perspectives and embrace change.

Our Commitment to You

We're actively taking steps to make sure our culture is inclusive and that our processes and practices promote equity for all. Leggett & Platt is comprised of people of all abilities, gender identities and expressions, ages, ethnicities, sexual orientations, veteran status, and more. Join us!

We welcome and encourage applications if you meet the minimum qualifications. Even if you do not meet the preferred qualifications, we’d love the opportunity to consider you.

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