Cloud Support & DevOps Engineer

mroads; Irving (TX); On-site; USD 120,000 - 190,000; Full time

Job summary

Mroads is seeking a Cloud Support & DevOps Engineer to design, deploy, and maintain a robust VoIP infrastructure in Irving, TX. You will work across FreeSWITCH, Asterisk, Vicidial, and IVR platforms, coordinating with cloud providers (AWS/Azure/GCP) and Kubernetes to ensure reliability and scale.

The role requires deep SIP/RTP knowledge, automation via Ansible/Jenkins, and scripting skills, with on-call responsibilities including weekends to address emergencies.

Qualifications

• Bachelor’s degree or equivalent practical experience in CS/IT or related field.
• 10+ years hands-on VoIP Systems Engineer or equivalent role experience.
• Expertise with FreeSWITCH: configuration, dial plan design, new deployments.
• Proficiency with Asterisk, FreePBX, Vicidial, and IVR platform administration.
• Deep understanding of SIP and RTP; experience with signalling flow analysis.
• Hands-on experience with cloud hosting for VoIP: AWS/Azure/GCP.
• Working knowledge of Kubernetes (EKS/AKS/GKE).
• Experience with Wireshark/TCPdump for network analysis.
• Experience with Ansible and Jenkins for config management/CI/CD.
• Shell scripting proficiency for automation.
• Experience with MySQL and PostgreSQL databases.
• Experience configuring PRI Cards/Gateways and PSTN connectivity.
• Willingness to work outside core hours including weekends.

Responsibilities

• Design, deploy, and maintain VoIP infrastructure using FreeSWITCH, RTPengine, Asterisk, FreePBX, Vicidial, and IVR platforms.
• Configure FreeSWITCH for new product deployments and enterprise onboarding.
• Ensure high availability, reliability, and horizontal scalability of VoIP services.
• Manage PRI Cards, PRI Gateways, Analog Gateways, and PSTN connectivity.
• Deploy and manage VoIP systems across AWS, Azure, and GCP; optimize cloud resources.
• Build and maintain CI/CD pipelines using Jenkins and Ansible.
• Write Shell scripts for automation and runbook execution.
• Administer Linux servers hosting VoIP services; monitor and optimize.
• Troubleshoot OS-level issues affecting call quality and RTP path.
• Apply OS hardening and patch compliance.
• Diagnose call quality issues with SIP/RTP and network captures.
• Investigate SIP failures, NAT traversal, and media path anomalies.
• Support MySQL and PostgreSQL databases used by VoIP platforms.

Skills

VoIP Engineering

FreeSWITCH

Asterisk

FreePBX

Vicidial

IVR Admin

SIP/RTP

Cloud Platforms

Kubernetes

Wireshark

TCPdump

Ansible

Jenkins

Shell Scripting

MySQL

PostgreSQL

PRI/Gateways

Education

Bachelor’s degree in computer science/IT or related field

Tools

AWS

Azure

GCP

Job description

Mroads is looking for a "Cloud Support & DevOps Engineer" for one of our direct clients in Irving, TX.

Required Qualifications

• Bachelor’s degree in computer science, Information Technology, or a related field (or equivalent practical experience).
• 10+ years of hands‑on experience as a VoIP Systems Engineer or equivalent role.
• Proven expertise with FreeSWITCH — configuration, dial plan design, and new deployment setup.
• Proficiency with Asterisk, FreePBX, Vicidial, and IVR platform administration.
• Deep understanding of SIP and RTP protocols; experience with signalling flow analysis.
• Hands‑on experience with AWS, Azure, and/or GCP for cloud‑hosted VoIP deployments.
• Working knowledge of Kubernetes (EKS, AKS, GKE).
• Proficiency with Wireshark and TCPdump for network packet capture and analysis.
• Experience with Ansible and Jenkins for configuration management and CI/CD.
• Shell scripting proficiency for operational automation.
• Familiarity with MySQL and PostgreSQL databases.
• Experience configuring PRI Cards, PRI Gateways, Analog Gateways, and PSTN connectivity.
• Willingness to work outside core hours to address emergencies, including weekends.

Preferred Qualifications

• AWS or Google Cloud Professional certification.
• Experience with RTPengine for media proxying in high‑volume environments.
• Familiarity with XO Platform or other enterprise conversational AI platforms.
• Experience with VoIP security hardening (SIP firewalls, TLS/SRTP, fraud detection).
• Knowledge of FedRAMP compliance requirements as they pertain to voice infrastructure.
• Experience deploying enterprise Dialer or IVR applications at scale.

Key Responsibilities

VoIP System Design & Implementation

Design, deploy, and maintain VoIP infrastructure using FreeSWITCH, RTPengine, Asterisk, FreePBX, Vicidial, and IVR platforms.

Configure FreeSWITCH for new product deployments and enterprise customer onboarding.

Ensure high availability, reliability, and horizontal scalability of VoIP services.

Manage PRI Cards, PRI Gateways, Analog Gateways, and PSTN connectivity.

Deploy and manage VoIP systems across AWS, Azure, and GCP; optimize cloud resources for cost and performance.

Build and maintain CI/CD pipelines using Jenkins and Ansible for automated deployments.

Author and maintain Shell scripts for operational automation and runbook execution.

Administer Linux servers hosting VoIP services; monitor system performance and optimize configurations.

Troubleshoot OS‑level issues impacting voice quality, latency, and reliability.

Apply OS hardening practices and maintain patch compliance.

Apply deep knowledge of SIP and RTP protocols to diagnose and resolve call quality, signalling, and media path issues.

Use Wireshark and TCPdump for packet‑level network analysis and root cause investigation.

Investigate and resolve SIP call failures, codec mismatches, NAT traversal issues, and RTP stream anomalies.

Database Administration

Support MySQL and PostgreSQL databases used by VoIP platforms for configuration, call records, and session data.

Perform query optimization, backups, and schema management as needed.

Security & Compliance

Implement and maintain security measures to protect VoIP systems from fraud, toll fraud, and DDoS threats.

Ensure compliance with industry standards and enterprise security policies.

Support FedRAMP and SOC 2 compliance requirements as applicable to voice infrastructure.

Incident Management & On‑Call Support

Provide on‑call support for voice infrastructure incidents, including weekend and after‑hours response.

Drive timely root cause analysis and post‑incident reviews for voice platform outages.

Maintain operational runbooks and escalation procedures.

Collaboration & Stakeholder Communication

Partner with Platform Engineering, Release Management, InfoSec, and enterprise customer teams.

Communicate incident status, risk, and resolution timelines clearly to technical and non‑technical stakeholders.