Unified Communications / VoIP Engineer (Hybrid | Austin, TX)

Unified Communications / VoIP Engineer (Hybrid | Austin, TX)

We’re hiring a Unified Communications Engineer to support and evolve a large-scale, enterprise voice environment. This is a full time hybrid role based in Austin, offering a strong mix of hands-on engineering, troubleshooting, and strategic improvement work.

If you enjoy solving complex telephony challenges and want real ownership in a 24x7 environment—this is worth a look.

We are seeking an experienced Unified Communications Engineer to support a large-scale enterprise collaboration environment built on Cisco voice and communication technologies. This role will provide technical leadership, engineering support, and operational ownership of a highly available voice infrastructure supporting multiple business locations and critical communications services.

• Cisco Unified Communications Manager (CUCM)
• Cisco Unity Connection
• Cisco Emergency Responder (CER)
• Cisco CUBE
• SIP Trunking
• Voice Gateways
• Cisco Expressway
• Webex Calling and Hybrid Collaboration
• Webex Contact Center and/or Contact Center technologies
• Cisco RTMT
• Enterprise Routing and Switching
• SD-WAN-enabled voice environments
• Meraki Wireless
• Cisco Identity Services Engine (ISE)
• Kurmi, Variphy, and related UC administration/reporting tools
• SBC platforms including Cisco CUBE, Ribbon, and AudioCodes
• Python and Ansible-based automation initiatives

Key Responsibilities

• Support the implementation, administration, maintenance, and lifecycle management of enterprise voice and collaboration systems.
• Perform advanced troubleshooting of Cisco collaboration platforms and telephony services.
• Configure and support SIP trunking, session border controllers, and voice gateway infrastructure.
• Support disaster recovery planning, business continuity initiatives, and voice security best practices.
• Monitor platform health, investigate vulnerabilities, and resolve production incidents.
• Participate in solution design, technical reviews, risk assessments, and infrastructure projects.
• Develop and maintain technical documentation, runbooks, and operational procedures.
• Provide escalation support and mentorship to other technical team members.
• Identify opportunities for automation, process improvement, and operational efficiencies.
• Ensure voice services remain secure, compliant, and highly available.

Required Qualifications

• 3 years of experience supporting Cisco Unified Communications environments.
• Strong experience with:
  • Cisco Unified Communications Manager (CUCM)
  • Cisco Unity Connection
  • Cisco Emergency Responder (CER)
  • SIP trunking
  • Cisco CUBE
  • Dial plans, route patterns, and call routing design
• Experience troubleshooting SIP, SCCP, and SRST environments.
• Experience supporting multi-site voice deployments and carrier integrations.
• Knowledge of QoS design and voice traffic optimization.
• Understanding of Cisco networking fundamentals including routing, switching, and voice integration.
• Ability to work effectively in a highly available enterprise environment.

Preferred Qualifications

• Webex Calling, Webex Contact Center, or hybrid collaboration experience.
• SD-WAN experience supporting voice and collaboration traffic.
• Experience with Meraki wireless and Cisco ISE.
• Familiarity with Kurmi, Variphy, RTMT, and UC reporting tools.
• Automation experience using Python, Ansible, or similar technologies.
• Experience with Ribbon, AudioCodes, or other SBC platforms.
• Exposure to regulated environments and security/compliance requirements.
• Cisco Collaboration, Networking, or Security certifications.

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