Network VoIP Engineer

Austin, TX (Hybrid: In Office Tue–Thu | Remote Mon & Fri)

Salary: $100,000–$110,000

About the Opportunity

An established Austin-based financial institution is seeking a Network VoIP Engineer to provide technical leadership and hands-on support for enterprise telephony and unified communications environments. This organization operates mission-critical systems that require secure, highly available voice infrastructure supporting multiple business locations and a 24x7x365 operating model.

This is an excellent opportunity for a Cisco collaboration professional who enjoys owning voice systems end-to-end, solving complex technical issues, and driving modernization initiatives in a stable, team-oriented environment.

Overview

The Network VoIP Engineer will serve as the subject matter expert for enterprise voice and collaboration systems, responsible for design, implementation, maintenance, and operational stability of VoIP infrastructure. This role supports Cisco collaboration technologies, SIP trunking, session border controllers, disaster recovery planning, security, and telephony-related projects.

Key Responsibilities

• Support implementation, maintenance, and lifecycle management of enterprise VoIP infrastructure
• Perform advanced troubleshooting for Cisco Unified Communications Manager, Unity Connection, and Emergency Responder platforms
• Configure and support SIP trunking and session border controller solutions including Cisco CUBE
• Support disaster recovery planning, backup strategies, and security controls for voice services
• Monitor system performance, remediate vulnerabilities, and resolve operational incidents impacting telephony services
• Participate in complex projects involving solution design, risk assessment, and cross-functional coordination
• Develop and maintain technical documentation, runbooks, and training materials
• Provide Tier II escalation support and mentor peer technical staff
• Recommend and implement infrastructure improvements and process optimization initiatives
• Ensure voice services remain highly available, secure, and compliant across multiple business locations

Required Qualifications

• Bachelor’s degree in Computer Science, Information Technology, Telecommunications, or related field
• 3+ years of experience supporting Cisco Unified Communications Manager, Unity Connection, and Emergency Responder (v12.x+)
• Strong knowledge of dial plans, route patterns, and call routing design
• Experience troubleshooting SIP and SCCP phone registration, including SRST
• Experience configuring and troubleshooting inbound/outbound dial peers using Cisco CUBE
• Voice gateway and multi-site deployment experience
• Quality of Service (QoS) design and implementation for voice traffic
• Experience activating and supporting SIP trunks across multiple carriers
• Working knowledge of Cisco routing, switching, and enterprise network integration
• Ability to work independently in a highly available enterprise environment

Preferred Qualifications

• Experience with SD-WAN impacts on VoIP and SIP traffic
• Cisco Meraki wireless administration experience
• Familiarity with Cisco Identity Services Engine (ISE)
• Experience with Kurmi, Variphy, or Cisco RTMT
• Experience with Cisco Expressway, Webex Calling, Webex Contact Center, or Microsoft Teams Phone
• Automation skills using Python, Ansible, or similar tools
• Exposure to compliance environments such as SOX, PCI, or HIPAA
• Experience with non-Cisco SBC platforms such as Ribbon or AudioCodes

Why Consider This Role

• Hybrid schedule with consistent flexibility
• Stable enterprise environment with modern infrastructure
• High-impact engineering role with ownership and visibility
• Competitive compensation: $100K–$110K
• Austin-based team with strong culture and long-term growth opportunity