✦ Luna Orbit — Networking & Telecom

Lead Operations Engineer

at United States Steel

📍 Charlotte, NC Hybrid Posted March 20, 2026
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Position Details

Type Not Specified
Experience mid
Exp. Years 5+ years
Education Not specified
Category Networking & Telecom

About this role

This role involves supporting and troubleshooting complex VoIP and SIP voice services across multiple platforms, ensuring operational reliability and collaborating with internal teams.

Key Responsibilities

  • Troubleshoot SIP/VoIP call failures
  • Support Ribbon SBCs
  • Collaborate on network issues
  • Use Linux tools for diagnostics
  • Interface APIs for automation

Technical Overview

Environment includes VoIP applications, Ribbon C20, PSX, Application Server platforms, Linux OS, and API integrations for automation and support.

Ideal Candidate

The ideal candidate is a mid-level network engineer with 5+ years supporting VoIP and SIP technologies, experienced with Ribbon platforms, Linux, and API integrations. They should possess strong troubleshooting and collaboration skills to ensure reliable voice services.

Must-Have Skills

supporting SIP and VoIP technologiesreading SIP ladder diagramsIP networking fundamentalsRibbon SBC platformsLinux OSAPIs (SOAPJAVAJSONXML)

Nice-to-Have Skills

supporting number portability (LNP)CNAMLIDB systemsvoice analytics platformstelecom regulatory requirementsPythonAnsibleshell scripting

Tools & Platforms

Ribbon C20PSXApplication ServerRibbon SBCsLinux

Required Skills

SIPVoIPRibbon C20PSXApplication ServerRibbon SBCsLinuxSOAPJSONXMLJAVAAPIstroubleshootingnetwork support

Hard Skills

SIPVoIPVoIP applicationsSIP call flowsRibbon C20PSXApplication Server platformsRibbon SBCsLinuxSOAPJSONXMLJAVAAPIs

Soft Skills

troubleshootingcollaborationanalytical skillscommunicationproblem-solving

Industry & Role

Industry Telecom
Job Function Voice services support and troubleshooting
Role Subtype Network Engineer
Tech Domains Networking / TCP-IP, VoIP / Unified Communications

Keywords for Your Resume

SIPVoIPVoIP applicationsSIP call flowsRibbon C20PSXApplication ServerRibbon SBCsLinuxSOAPJSONXMLJAVAAPIssupporting SIP and VoIP technologiesnetwork troubleshootingtelecom supportprotocol analysiscustomer interface devicessupport environmentsupport workflowsprotocol troubleshootingnetwork supportVoIP troubleshooting

Deal Breakers

Lack of experience supporting SIP/VoIP, No experience with Ribbon platforms, No Linux OS experience, No support or troubleshooting background

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