Staff SIP Engineer

Weave
Weave - Headquarters Lehi +1 more
Hybrid

Who this role is best for

VoIP network engineers with hands-on experience in cloud infrastructure and distributed systems will find this role in maintaining and optimizing a cloud-based voice platform.

Best fit for

  • Candidates with experience in SIP/RTP infrastructure and cloud-based voice platforms will align well with this role.
    — “modern communication tools and cloud technologies to help maintain and optimize our distributed, cloud-based voice platform”
  • Individuals who have managed production services in major cloud environments, especially Google Cloud, are well-suited for this position.
    — “Experience operating production services in a major cloud environment (Google Cloud preferred)”
  • Candidates who have built and maintained observability systems for SIP/RTP flows will likely excel in this role.
    — “Implement and improve observability for SIP/RTP flows using HEP/Homer and telemetry”

Things to consider

  • The role requires on-call rotation and incident remediation, which involves availability and responsibility for system outages.
    — “Comfort participating in on-call rotations and driving incident remediation”
  • This role may involve hybrid or in-office work arrangements, which could be a consideration for candidates with location preferences.
    — “This position can be remote, in-office, or hybrid”

How to stand out

  • Highlight your experience with Kamailio, FreeSWITCH, and Kubernetes in your resume and interview responses.
    — “Experience with VoIP applications such as Kamailio, OpenSIPS, FreeSWITCH, RTPengine, and Asterisk”
  • Emphasize your background in DevOps automation and cloud infrastructure management, especially with Terraform and Ansible.
    — “Experience with DevOps tools for cloud infrastructure management and automation such as Terraform and Ansible”
  • Showcase your ability to troubleshoot VoIP issues using tools like Wireshark and Homer in your application materials.
    — “Experience with troubleshooting tools such as Wireshark, sngrep, and Homer”
  • Demonstrate your experience with Golang-based microservices and containerization in your resume and interview.
    — “Develop Golang-based microservices and containers that support the voice ecosystem”
  • Include examples of past work involving call-quality tooling design or improvement in your application.
    — “Experience designing or improving call-quality tooling (MOS/RTCP analytics, jitter/loss monitoring, SBC/edge routing strategies, or capacity planning)”
Pace · Fast PacedCollaboration · HighAutonomy · MediumDecision Impact · Team

Derived from job-description analysis by Serendipath's career intelligence engine.

What success looks like

  • Maintain and optimize distributed cloud-based voice platform
  • Improve reliability, performance, and customer call quality
  • Develop and deploy Golang-based microservices and containers
  • Implement and improve observability for SIP/RTP flows
Typical background
Experience in VoIP applications and cloud technologiesStrong background in modern communication tools

Skills & requirements

Required

Voip Network EngineeringSip/rtp InfrastructureKamailioFreeswitchGoKubernetesDevOpsCloud Infrastructure ManagementTcp/ip NetworksFirewallsSIP, RTP, Rtcp, TLS, ICE, Stun, Turn, WebrtcTroubleshooting Tools (wireshark, Sngrep, Homer)Scripting Languages (python, Bash, LUA)Devops Tools (terraform, Ansible)

Preferred

Kubernetes OperationsCertifications In Kamailio Or OpensipsExperience With Asterisk

Stack & domain

VoipModern Communication ToolsCloud TechnologiesSip/rtp InfrastructureKamailioRtpengineFreeswitchHomer/hepicGoMicroservicesContainersKubernetesDevOpsTerraformAnsibleWiresharkSngrepTcp/ip NetworksFirewallsSIPRTPRTCPTLSICESTUNTURNWebrtcJavaCPythonBashLUACommunicationAttention To DetailSelf-motivationAdaptabilityCollaborationOpensipsTelecommunicationsCloud ComputingNetworking

About the role

Original posting from Weave via Ashby

Weave is looking for a VoIP Engineer with a strong background in modern communication tools and cloud technologies to help maintain and optimize our distributed, cloud-based voice platform. In this role, you’ll ensure our communication systems are robust, efficient, scalable, and observable—working hands-on with SIP/RTP infrastructure and core components like Kamailio, RTPengine, FreeSWITCH, and Homer/HEPIC. You’ll collaborate cross-functionally with engineering and operations teams to improve reliability, performance, and customer call quality while shipping improvements through DevOps best practices.

  • This position can be remote, in-office, or hybrid
  • Reports to: Engineering Manager

WHAT YOU WILL OWN

The duties and responsibilities of the role.

  • Grow and manage a distributed cloud-based VoIP platform
  • Optimize and troubleshoot FreeSWITCH and Kamailio configurations for performance, resiliency, and reliability
  • Design, build, test, deploy, and maintain services that support the voice platform
  • Monitor and analyze VoIP network performance, identify areas for improvement, and implement solutions to enhance quality and efficiency
  • Troubleshoot and resolve VoIP-related issues including call quality problems, signaling/connectivity issues, and system outages
  • Develop Golang-based microservices and containers that support the voice ecosystem
  • Deploy and operate services in Kubernetes environments
  • Maintain and configure Kamailio and FreeSWITCH instances
  • Implement and improve observability for SIP/RTP flows using HEP/Homer and telemetry (metrics/logs/traces) to accelerate incident response and root-cause analysis
  • Partner with SRE/Platform teams to improve CI/CD, infrastructure-as-code, and reliability practices (e.g., automated rollouts, canarying, and repeatable environments)

WHAT YOU WILL NEED TO ACCOMPLISH THE JOB

The minimum qualifications for the role: education, experience, certifications, skills.

  • Previous experience working as a VoIP network engineer
  • Experience with VoIP applications such as Kamailio, OpenSIPS, FreeSWITCH, RTPengine, and Asterisk
  • Experience with troubleshooting tools such as Wireshark, sngrep, and Homer
  • Deep understanding of TCP/IP networks, firewalls, and related protocols (SIP, RTP, RTCP, TLS, ICE, STUN, TURN, WebRTC)
  • Programming experience with a major language such as Go, Java, or C
  • Experience with scripting languages such as Python, Bash, and LUA
  • Experience with DevOps tools for cloud infrastructure management and automation such as Terraform and Ansible
  • Flexibility and adaptability in learning new technologies and tools
  • Strong written, oral, and interpersonal communication skills
  • Highly self-motivated and directed
  • Keen attention to detail
  • Experience operating production services in a major cloud environment (Google Cloud preferred), including networking concepts such as VPCs, load balancing, service discovery, and IAM/security fundamentals
  • Comfort participating in on-call rotations and driving incident remediation through postmortems and follow-up engineering work

WHAT WILL MAKE US LOVE YOU

Preferred qualifications - including personality traits and soft skills.

  • 5+ years of experience designing and supporting large-scale VoIP networks
  • Certifications in Kamailio or OpenSIPS
  • Hands-on experience with Kubernetes operations (deployments, services/ingress, Helm/Kustomize, autoscaling, and debugging)
  • Experience designing or improving call-quality tooling (MOS/RTCP analytics, jitter/loss monitoring, SBC/edge routing strategies, or capacity planning).

Employment with Weave is contingent upon the successful completion of a background check, conducted in accordance with applicable laws.

At Weave, we use Artificial Intelligence (AI) tools to help us work more efficiently and create a smoother candidate experience. AI may assist with things like writing job descriptions, scheduling interviews, or reviewing applications against job-related criteria. For additional information, please review the External AI Policy Statement available on our Careers page.

Weave is an equal opportunity employer that is committed to fostering an inclusive workplace where all individuals are valued and supported. We welcome anyone who is hungry to learn, problem-solve and progress regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity, veteran status, or other applicable legally protected characteristics. If you have a disability or special need that requires accommodation, please let us know.

Beware of recruitment fraud. All official correspondence will occur through Weave branded email. We will never ask you to share bank account information, cash a check from us, or purchase software or equipment as part of your interview or hiring process.

Source: Weave careers (Ashby)

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