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CoDev

IT Helpdesk Support

CoDev

. Assist B2B clients using VoIP termination/origination (DID and outbound SIP) for call centers, business PBXs and resellers .

Posted 11/4/2026full-timeBacolod • PhilippinesJuniorWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in VoIP termination and origination, with a strong focus on troubleshooting Linux-based PBXs and SIP signaling. Capable of providing technical support and collaborating with clients and internal teams to enhance system performance and client satisfaction.

Highest-signal resume keywords
VoIP Termination/OriginationLinux Based PBX SupportTroubleshootingTechnical SupportExcellent Written/Verbal Communication

ATS Keywords

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Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills
VoIPSIPLinuxAsteriskFreeswitchQoSPacket Trace ToolsSIP Signaling DebugTroubleshootingTechnical Support
Soft Skills
Excellent Written CommunicationExcellent Verbal Communication
Tools & Technologies
Linux Based PBXFirewallNetwork Monitoring Tools
Industry Keywords
B2B ClientsCall CentersBusiness PBXsResellersPre-Sales EngineeringClient IT TeamsTier1 SuppliersSystem ImprovementsRemote TroubleshootingCSR Support

Tech Stack

Tools & technologies
LinuxVoIP

About the role

Key responsibilities & impact
  • Assist B2B clients using VoIP termination/origination (DID and outbound SIP) for call centers, business PBXs and resellers
  • Perform pre-sales engineering and provisioning tasks
  • Work closely with network operations and network monitoring teams
  • Troubleshoot client equipment directly with client IT teams via email and phone
  • Open and resolve tickets with Tier1 suppliers and perform testing
  • Proactively suggest and implement system and process improvements
  • Assist clients with remote troubleshooting of SIP-based PBXs
  • Troubleshoot specific VoIP issues at any level, including front line
  • Support as a front-line CSR when needed
  • Assist with new installations alongside the Sales Engineer overseeing the project
  • Provide all support via phone and email
  • Write technical content for blog posts and social media

Requirements

What you’ll need
  • 1 year of experience
  • Ability to support Linux based PBXes such as Asterisk and Freeswitch, or desire to learn the skills on the job
  • Understanding of QoS, Linux based packet trace tools, SIP signaling debug, or desire to learn the skill during on-the-job training
  • Firewall experience or previous networking employment is a plus
  • Excellent written/verbal communication
  • Required skills: Troubleshooting, Linux, Technical Support
  • Must be able to work flexible hours on occasion

Benefits

Comp & perks
  • On-the-job training is provided