Contact Center Systems Engineer: IVR, SIP & Open-Source

Glint Tech Solutions LLC; Elk Grove (CA); On-site; USD 120,000 - 180,000; Full time

Job summary

Glint Tech Solutions LLC in Elk Grove, CA is seeking an experienced Contact Center Systems Engineer to support a large-scale, global enterprise contact center environment. The role blends production support and platform engineering, including routing, telephony, Linux-based systems, integrations, and migrating from a commercial platform to an open-source telephony-based solution.

You will configure routing strategies, queues, IVR flows, and agent targeting across voice, chat, email, and tasks,

Qualifications

• 3+ years of hands-on experience with enterprise Contact Center platforms.
• Experience with Genesys, NICE, Five9, Avaya, Cisco or similar platforms.
• Strong knowledge of SIP, RTP, and VoIP.
• Experience troubleshooting call flows, routing logic, and media-path issues.
• Networking knowledge including TCP/IP, DNS, routing, firewalls, and QoS.
• Strong Linux skills including service configuration, log analysis, and command-line troubleshooting.
• Scripting/programming experience with Python, JavaScript, or Bash.
• Experience with REST APIs, webhooks, Git, and deployment workflows.
• Experience supporting and troubleshooting production systems.

Responsibilities

• Configure and maintain routing strategies, queues, IVR flows, and agent targeting across voice, chat, email, and task channels
• Troubleshoot production issues across telephony, network, and application layers
• Diagnose voice quality issues including latency, jitter, packet loss, codecs, and media-path problems
• Troubleshoot SIP/VoIP call flows and routing logic
• Support number provisioning, porting, and regional routing
• Analyze existing contact center configurations and map them to a new platform architecture
• Build and validate configurations in Linux environments
• Support platform migration and feature-parity testing
• Integrate systems using REST APIs and webhooks
• Participate in production incident triage and resolution
• Create technical documentation, runbooks, and structured shift handovers

Skills

Contact Center platforms

SIP, RTP, VoIP

Linux

Scripting (Python, JavaScript, Bash)

REST APIs & Webhooks

Networking (TCP/IP, DNS, QoS)

Incident triage

Deployment workflows

Education

Bachelor's degree in Computer Science, Information Systems, Telecommunications, or related field

Tools

Genesys

NICE

Five9

Avaya

Cisco

FreeSWITCH

Kamailio/OpenSIPS

Asterisk

Wireshark

sngrep

sipgrep

HOMER

Terraform

Ansible

Git

Job description

Glint Tech Solutions LLC in Elk Grove, CA is seeking an experienced Contact Center Systems Engineer to support a large-scale, global enterprise contact center environment. The role blends production support and platform engineering, including routing, telephony, Linux-based systems, integrations, and migrating from a commercial platform to an open-source telephony-based solution.

You will configure routing strategies, queues, IVR flows, and agent targeting across voice, chat, email, and tasks,