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Voice Engineer

at Five9

Porto, Portugal (Hybrid), Portugal

Join us in bringing joy to customer experience.  Five9 is a leading provider of cloud contact center software, bringing the power of cloud innovation to customers worldwide.   

Living our values everyday results in our team-first culture and enables us to innovate, grow, and thrive while enjoying the journey together. We celebrate diversity and foster an inclusive environment, empowering our employees to be their authentic selves. 

To complement our rapid growth, we are actively looking for a Voice Engineer to join our Telecom Deployment team. The role see you help guide new designs and 
deployments of voice technologies into our customer’s hands whilst assisting with improving telecom products throughout their lifecycle. 


  • Ensuring platform reliability and uptime
  • Deploy reliable, redundant, scalable solutions.  
  • Work with various Cloud Ops, product, and engineering teams to deploy new devices, products, and features.
  • Initiate projects for voice platform improvements
  • Develop operational processes and standards to increase the reliability of Five9s voice platform  
  • Deployment of telecom features and devices into Five9’s data-center and public cloud environments
  • Analyze history of telecom related incidents and work towards new standards and processes to prevent repeat  
  • Analyze deployment request for feasibility, size, timeline, and scope
  • Work with our global base of Voice Engineers to increase skill levels.
  • Create handoffs for new deployments to Five9’s operational teams.  
  • Support operations teams as needed
  • Be an advocate for our customers



  • B.S. Degree in Engineering or related discipline preferred.
  • SIP experience required.
  • WebRTC experience a plus
  • Cisco certified CCNA engineer a plus.
  • 3+ years of experience on a service provider voice network
  • Hands on skills with Ribbon SBCs and Ribbon PSXs preferred.
  • Documenting solutions with diagrams and proper description
  • Project management skills a plus.
  • Experience with Ansible is preferred 


  • Five9 Shares
  • Bonus Scheme
  • 10% Flex Benefits
  • Meal Allowance
  • Medical Insurance
  • Life Insurance
  • 25 day Annual Leave + Public Holidays

 #LI-Hybrid  #LI-ND1

Five9 embraces diversity and is committed to building a team that represents a variety of backgrounds, perspectives, and skills.  The more inclusive we are, the better we are.  Five9 is an equal opportunity employer. 

Our headquarters are located in the San Francisco Bay Area with global hubs in the United Kingdom, Germany, Philippines, Portugal, and Australia. 

View our privacy policy, including our privacy notice to California residents here:  

Note: Five9 will never request that an applicant send money as a prerequisite for commencing employment with Five9.


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