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Network VoIP Support Engineer

Vivant

Dallas, TX 75234 • 9/15/2026

Job Description

Job Description

Vivant is on a mission to eliminate business downtime. We guarantee 100% uptime for SMBs, and we’re looking for a Level 1-2 Support Engineers to help us deliver on that promise.

Essential Criteria

  • Must reside in the Dallas-Fort Worth (DFW) area.
  • Comfortable working 100% on-site: this is an in-office position with no remote or work-from-home option.
  • Not Desktop Support: If your background is primarily hardware repair or general IT helpdesk, please do not apply.
  • Hands-On VoIP & Network Support Experience: You must have real-world experience troubleshooting SIP trunks, PBX systems, routers, switches, WiFi networks, and network routing.

Requirements

Yourdaytodaylifeasa Support Engineer:

  • AnswerincomingclientcallsrelatedtoVoIP,internet,orWIFIissues
  • Workticketsinvolvingcallquality,droppedcalls,networkdrops,orroutingproblems
  • Rundiagnostics(SIPtraces,pings,traceroutes,MOSscorereview,packetlosschecks)
  • AssistwithPBXprovisioning,phoneregistration,andsoftphonesetup
  • Prioritizeoutages(phonesdown,internetdown,WiFidown)
  • Documenteverystepclearlyandcommunicatestatusupdatesprofessionally
  • Escalateadvancedissuestoseniortelecomengineerswhenappropriate
  • MaintainticketSLAswithclear,fastresponsetimes

KeyResponsibilities:

  • First-levelsupportforVoIP,networking,andconnectivityissues
  • TroubleshootSIP,callquality,latency,jitter,andregistrationfailures
  • Performbasicnetworktroubleshooting(TCP/IP,DNS,DHCP,routingbasics)
  • TroubleshootWiFidrops,accesspointconnectivity,andcabling-relatedissues
  • Provisionphones,extensions,voicemail,callflows,andSIPtrunkconfigs
  • Manageandprioritizeticketsthroughourhelpdesksystem
  • Escalatecomplexproblemswithproperdocumentation
  • Updateknowledgebasearticlesandinternalprocesses

Minimum Requirements:

  • 2+ years of VoIP or Network Support experience.
  • Strong understanding of TCP/IP, DNS, DHCP, and NAT.
  • Practical expertise with:
    • SIP, PBX systems, and SIP trunks.
    • Routers, switches, and WiFi troubleshooting.
  • Experience with ticketing systems and remote customer rapport.
  • Ability to communicate technical information clearly and simply to non-technical users.
  • A driven and proactive mindset paired with a passion for continuous learning and making a meaningful impact on our company’s success.
  • Solid understanding of key VoIP metrics such as MOS score, latency, jitter, and packet loss.

NicetoHave

  • CompTIANetwork+,CCNA,orVoIP-relatedcertifications
  • Experienceintelecom,MSP,orVoIPcarrierenvironment
  • ExperiencewithPoly,Grandstream,orcloudPBXplatforms

Benefits

Why Vivant?

  • Growth: Competitive salary + bonuses. We hire for impact and promote leaders.
  • Culture: We value Reliability, Product Knowledge, and Autonomy.
  • Impact: Help us eliminate the frustrations of internet and phone outages for good.


Schedule:

  • Monday to Friday, 8:00 am - 5:00 pm

Compensation:

  • Base Salary: $50,000 – $75,000 USD
  • Determining Factors: Final offer depends on technical expertise, years of relevant experience, and specific skills.
  • Note: This range covers base pay only; all other benefits will be discussed during the offer stage.

Join Vivant and level up your career!