u
unkmusafir

Umar

@unkmusafir

VoIP Architect and Cloud DevOps Engineer

Pakistan
English
About me
Stop dealing with unreliable infrastructure. I am a DevOps Engineer & VoIP Architect trusted by enterprise giants (Leopard Courier, JSIL) to manage mission-critical systems. ☁️ DevOps: AWS, Docker, Kubernetes, Terraform (IaC), and automated CI/CD pipelines. 📞 VoIP: High-availability ViciDial/FreePBX clusters, WebRTC, and deep SIP troubleshooting. 🐧 Linux: Server hardening, MariaDB tuning, and 24/7 Grafana monitoring. Uptime = revenue. Let's stabilize and automate your tech stack. Click "Invite to Job" to get started!... Read more

Skills

u
unkmusafir
Umar
Offline • 
Average response time: 1 hour

See my services

Infra as Code
I will architect your AWS cloud infrastructure
From$80 / projectMore details

Portfolio

Work experience

SyncTech_Solutions

Lead DevOps & VoIP Engineer | K8s, OpenShift, Kamailio & ViciDial

SyncTech Solutions • Full-time

Jan 2021 - Jan 2026 • 5 yrs

Architecting cloud-native communication stacks by bridging Enterprise DevOps with specialized Telephony. I modernized legacy SIP infrastructure into containerized microservices on AWS and Red Hat OpenShift, achieving 99.9% uptime for high-concurrency environments. Key Responsibilities: Cloud & IaC: Managing Kubernetes (K8s) clusters using Terraform (IaC) and Ansible for automated infrastructure provisioning. GitOps Automation: Implementing CI/CD pipelines and ArgoCD to automate deployments for VICIdial and Kamailio. VoIP Engineering: Configuring Kamailio SIP Proxy for load balancing and optimizing VICIdial clusters for scale. SRE & Observability: Monitoring VoIP QoS using Prometheus, Grafana, and Homer (SIP Capture). Security & Analysis: Hardening SBCs with TLS/SRTP encryption and performing deep-packet analysis using Wireshark and sngrep.