Faxedge Support (Asterisk)

Netlink Voice LLC; Flowood (MS); On-site; USD 80,000 - 100,000; Full time

Job summary

Netlink Voice LLC in Flowood, MS, is seeking an experienced Level 3 Support Engineer specializing in Asterisk. The role involves diagnosing and resolving complex Asterisk issues and supporting customers and internal teams.

You will work closely with telephony systems, contribute to custom solutions, and advance your technical expertise within a collaborative environment. This includes opportunities to grow into adjacent technologies and solutions.

Qualifications

• 3+ years of hands-on experience with Asterisk configuration file management.
• Deep Asterisk expertise including dialplan programming and application development.
• Advanced knowledge of SIP protocol internals and NAT handling.

Responsibilities

• Diagnose and resolve complex Asterisk configuration and dialplan issues.
• Provide advanced technical guidance on custom Asterisk implementations.
• Mentor junior team members on Asterisk internals and VoIP protocol implementation.

Skills

Asterisk configuration management

Dialplan development

Advanced VoIP knowledge

Linux system administration

Customer communication skills

Tools

SIP

RTP

Python

Perl

PHP

Job description

Back Faxedge Support (Asterisk)

Level 3 Support Engineer - Asterisk Specialist

We’re seeking an experienced Asterisk Engineer to join our Level 3 technical support team. You’ll be the expert for complex Asterisk core system troubleshooting and custom telephony solutions, working directly with customers and resellers while supporting our internal development teams. This role focuses on Asterisk’s underlying engine, custom dialplan development, and advanced VoIP implementations.

Key Responsibilities

Customer & Reseller Support

• Diagnose and resolve complex Asterisk configuration file and dialplan issues
• Troubleshoot core Asterisk functionality, channel drivers, and application problems
• Provide advanced technical guidance on custom Asterisk implementations
• Create detailed documentation for Asterisk configuration patterns and troubleshooting
• Escalate and coordinate with Digium/Sangoma engineering when needed

Internal Team Support

• Support development team with Asterisk AGI, AMI, and ARI integrations
• Assist with custom Asterisk builds, patches, and telephony application development
• Collaborate on high-performance telephony system architecture
• Configure and optimize Asterisk instances for specific use cases
• Participate in on‑call rotation for critical Asterisk core system issues

Technical Leadership

• Debug complex dialplan logic and custom Asterisk applications
• Analyze Asterisk full logs, channel traces, and real‑time debugging
• Optimize Asterisk performance, memory usage, and concurrent call handling
• Mentor junior team members on Asterisk internals and VoIP protocol implementation

Required Qualifications

• 3+ years hands‑on experience with Asterisk configuration file management and dialplan development
• Deep Asterisk expertise: dialplan programming, channel configuration, application development
• Advanced VoIP knowledge: SIP protocol internals, RTP, codec negotiation, NAT handling
• Asterisk debugging proficiency using CLI commands, logging levels, and protocol analysis
• Strong Linux system administration and command‑line expertise
• Customer communication skills – ability to explain complex telephony concepts clearly
• Experience with custom Asterisk development (AGI scripts, custom applications, API integration)

Preferred Qualifications

• Asterisk module development in C or experience with Asterisk source code
• Advanced SIP debugging with packet capture analysis and protocol troubleshooting
• Scripting expertise (Python, Perl, PHP for AGI and AMI applications)
• Database integration with Asterisk (realtime, CDR, custom schemas)
• Carrier‑grade experience with high‑volume Asterisk deployments
• Previous telecommunications or VoIP platform development experience

What Makes This Role Unique

• Work with Asterisk at carrier and enterprise scale with custom implementations
• Direct impact on innovative telephony solutions and platform capabilities
• Opportunity to grow into adjacent technologies (WebRTC, cloud APIs, telecommunications protocols)
• Collaborative environment with development and infrastructure teams
• Exposure to cutting‑edge Asterisk features and telecommunications technology

Technical Environment

You’ll be working with Asterisk core alongside our broader infrastructure including Linux systems, AWS cloud services, and advanced networking technologies. While your primary focus is Asterisk development and administration, there are opportunities to expand into related VoIP platforms and telecommunications protocols.