Muhammad Hamas Usmani

Angestellt, Senior Telephony Devops Engineer, Afiniti
Karachi, Pakistan

Fähigkeiten und Kenntnisse

VoIP
Docker
Helm Charts
Jenkins
Ansible
Kubernetes
CentOS
OEL
Deployment
IT Infrastructure Project Management
Microservices
Kong Api Gateway
Linux
Research and Development
Red Hat Enterprise Linux
Ubuntu
Team work
Communication skills
Empathy
ability to work under pressure
JSON
LINUX server
Asterisk
Research
Communication
Bitbucket
Atlassian Jira
Atlassian Bitbucket
Microsoft Azure
YAML
Computer Science
docker
Problem Solving
Traceroute
Sip Genie
Kong
Microsoft Word
Microsoft Excel
Cisco Router and Switches
Linux Server Administration
PowerPoint
Leadership
Management
Cisco Networking
Vicidial
Elastix
SuSE Linux
Cisco Switches
Juniper Router
Arduino
Mathematics
C++
OWASP
DevOps
Information Security Awareness
Web Application Security
VMware
vCenter
Professional experience
VMware ESX
Infrastructure
Code
CI/CD
Virtualization
Server
System Integration
GitLab
Grafana
Operation
VMware vSphere
Operations
Microsoft
System Administration
Windows
Cloud Computing

Werdegang

Berufserfahrung von Muhammad Hamas Usmani

  • Bis heute 2 Jahre und 4 Monate, seit Apr. 2023

    Senior Telephony Devops Engineer

    Afiniti

    Senior Telephony Engineer: Full-lifecycle telephony solutions (systems, tools, documentation). Team project participation. Requires customer focus, business/team goal understanding, proactive communication, strong coding/design skills, development/debugging proficiency, independent design, dependency identification, product knowledge, code review/sign-off. Writes specs, executes roadmaps. Designs/implements solutions. Manages Kong gateway (R&D, upgrades, vulnerability remediation)

  • 1 Jahr und 5 Monate, Nov. 2021 - März 2023

    Telephony Devops Engineer

    Afiniti

    As Telephony Engineer, I built resilient processes (design to implementation): lab/system configuration, CTI integration, test tools, documentation. Contributed to team projects, prioritized tasks, participated in core processes. Met commitments, took ownership, delivered on time. Used debugging tools, navigated codebases, debugged code. Well-documented, tested code minimized errors. Understood/adjusted designs, independently designed/completed tasks, solving known problems.

  • 2 Monate, Sep. 2021 - Okt. 2021

    Team Lead - Infrastructure Services Support

    Sybrid Private Limited

    Led 24/7 operations for VoIP (Elastix/Vicidial), private cloud (ESXi), and network infrastructure (Cisco/Ubiquiti). Managed Linux servers, databases (PostgreSQL/MongoDB), and hosted apps with PRTG monitoring. Oversaw VoIP campaigns (Asterisk/Vonage/8x8), resolving voice quality and CRM issues. Supervised 5-member team, established escalation protocols, and collaborated with developers on deployments/QA

  • 11 Monate, Okt. 2020 - Aug. 2021

    System Engineer

    Sybrid Private Limited

    Designed Azure-based Docker/Kubernetes labs to showcase containerization, automating infrastructure tasks. Managed Linux servers (Nagios/PRTG), ESXi VMs, and VoIP systems (Elastix/Vicidial) for high availability. Configured Asterisk, Grandstream IP phones, and ensured business continuity. Supported Cisco/Maipu network devices, vCenter, and Microsoft AD.

  • 2 Jahre und 7 Monate, Apr. 2018 - Okt. 2020

    Network Engineer

    Telecard Limited

    Managed nationwide/international VoIP POPs on Juniper, Cisco, and CentOS 6, ensuring 24/7 uptime. Configured Asterisk 1.4 (SIP/SS7) for resilient call routing. Monitored QoS via NMS, analyzing ASR, TG utilization, and call metrics. Troubleshot SS7/SIP issues, traced calls, and liaised with global partners. Built HA systems, managed BGP, and aligned technical solutions with business needs.

  • 5 Monate, Dez. 2017 - Apr. 2018

    Field Support Executive

    Wi-Tribe Pakistan

    Delivered on-site technical support for corporate clients, resolving internet issues (slow/no browsing, latency) across Fiber, Radio, and LTE-A. Installed & configured P2P Radio/LTE-A links, ensuring LOS for optimal QoS. Decommissioned networks, managed routers (Linksys/MikroTik), and troubleshot Cisco switches via serial. Deployed LTE-A for Mobilink customers.

  • 2 Monate, Nov. 2017 - Dez. 2017

    Technical Support Executive

    Wi-Tribe Pakistan

    Provided L1 technical support to corporate clients, resolving internet issues (slow/no browsing, latency) across Radio, Fiber, WiMAX, and LTE-A. Conducted remote troubleshooting, escalated complex cases with diagnostic traces, and monitored outages. Managed ticketing systems, ensured timely complaint resolution, and prepared shift reports with metrics.

  • 1 Jahr und 2 Monate, Juli 2016 - Aug. 2017

    Ad-Hoc Telephony (Final Year Project)

    Usman Institute of Technology

    I constructed 6 Devices along with 3 more group members which were able to communicate without any backbone network or server. The medium of communication is voice.

  • 1 Monat, Juli 2015 - Juli 2015

    Intern

    Civil Aviation Authority Pakistan

Ausbildung von Muhammad Hamas Usmani

  • 4 Jahre, Sep. 2013 - Aug. 2017

    Electrical Engineering (Telecommunications)

    Usman Institute of Technology

Sprachen

  • Deutsch

    Grundlagen

  • Englisch

    Fließend

  • Urdu

    Muttersprache

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