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Umar
@unkmusafir
VoIP Architect and Cloud DevOps Engineer
Pakistan
Anglais
À propos de moi
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!
Compétences
Umar
hors ligne •
Temps de réponse moyen de 1 heure
Voir mes services
Infrastructure en tant que code
I will architect your AWS cloud infrastructure
Portfolio
Expérience professionnelle
Lead DevOps & VoIP Engineer | K8s, OpenShift, Kamailio & ViciDial
SyncTech Solutions • Temps plein
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.
