Muhammad (Irfan) A.
Senior Systems Engineer
Experience
Jan 2025 - Present
10 monthsRiyadh, Saudi Arabia
Senior Systems Engineer
Gulf Star International Co. Ltd
- Architect, deploy, and manage scalable, secure, and high-availability server infrastructures (Linux-based) across cloud and on-prem environments — ensuring performance, reliability, and cost-efficiency.
- Develop and maintain CI/CD pipelines using tools like GitHub Actions or GitLab CI to automate code deployment, testing, and delivery — reducing manual overhead and deployment time.
- Administer and fine-tune web servers (Nginx, Apache), database servers (MySQL, PostgreSQL), and application services (Node.js, Python, PHP) to ensure consistent uptime, optimized load, and enhanced security.
- Manage and orchestrate Docker containers across cloud platforms such as AWS, DigitalOcean, and Azure — ensuring efficient scaling, automated deployments, reliable backups, and optimized resource utilization.
- Apply strong security measures, including firewall configuration, SSL/TLS management, SSH hardening, access control, and vulnerability scanning.
- Reduced cloud infrastructure costs by 30% through efficient configuration of AWS, GCP, and Azure environments.
Nov 2019 - Dec 2024
5 years 2 monthsLahore, Pakistan
Linux Systems Engineer
Government of Punjab
- Provided DevOps support to development team.
- Administered Linux and Microsoft servers.
- Configured and managed web and email hosting servers.
- Implemented CI/CD pipelines using Jenkins, GitHub Actions, Travis CI, etc.
- Monitored LAN and enforced policies using firewalls.
- Monitored infrastructure using Nagios.
- Led DevOps team to improve deployment speed by 50% using Jenkins and GitHub Actions.
- Implemented automation scripts that decreased system downtime by 25% across Linux servers.
- Managed 10+ high availability architectures ensuring 99.9% uptime for critical applications.
Nov 2018 - May 2019
7 monthsIslamabad, Pakistan
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Jazz Ecare APP
- One-stop solution to all Jazz/Warid account needs.
- Manage account, view prepaid balance and postpaid bill, subscribe to packages and offers.
May 2017 - May 2019
2 years 1 monthIslamabad, Pakistan
System Engineer
- Provided Level 2 operational support to Jazz Ecare APP and My Telenor APP.
- Administered RHEL7 Linux servers.
- Developed, updated and maintained standard operating procedures documentation.
- Collaborated with developers to implement changes to applications and websites on development, test, and production servers.
- Configured and managed high availability architectures.
- Performed DevOps activities including deployments and Magento operations with a few taps.
- Dockerized web and Python applications.
- Administered LAN including Cisco routers and switches, pfSense server and access points.
- Managed Ruckus Wireless LAN with Zone Director 1200 and access points.
May 2017 - May 2019
2 years 1 monthIslamabad, Pakistan
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My Telenor APP
- One-stop solution to all Telenor Pakistan number related needs.
- View prepaid balance and postpaid bill.
- Stay aware of usage and remaining MB, minutes and SMS.
- Subscribe to favorite packages and offers.
Jun 2016 - May 2017
1 yearRawalpindi, Pakistan
Linux Based Computer System Engineer
Masoodware Solutions and Services
- Managed web hosting on Plesk.
- Administered Linux servers.
- Automated tasks using Bash scripting.
- Monitored LAN and enforced policies using pfSense proxy server.
- Monitored infrastructure using Nagios.
Summary
Seasoned Senior System Engineer & DevOps Engineer with over 7 years of experience in server infrastructure management, automation, and application deployment across Linux-based and hybrid cloud environments. Proficient in managing WordPress and web hosting infrastructures on cPanel, Nginx, Apache, and MySQL, with deep expertise in performance tuning, Redis/Memcached caching, and PHP-FPM optimization. Skilled in Docker containerization, CI/CD pipelines, and infrastructure security, ensuring high availability and reliability for mission-critical systems. Experienced in DevOps workflows, server monitoring, and incident response, delivering secure, scalable, and optimized IT environments for enterprise and production workloads.
Areas of Expertise:
- Linux System Administration: Red Hat Linux, CentOS, Ubuntu, etc.
- Administration of Microsoft Servers/Windows: 2012R2 etc.
- CI/CD: GitHub Actions, Travis CI, Jenkins, and Ansible
- Server virtualization: Docker, KVM, VMware, Hyper-V
- Cloud Administration: AWS, GCP, Azure, etc.
- Web Servers: Nginx, Apache, Tomcat, and IIS
- Database Server: MySQL, MariaDB, PostgreSQL
- Scripting: Bash and Shell scripting, Python
- Monitoring: Nagios
- Network Administration: Cisco Routers, Switches, pfSense, Mikrotik router, etc.
If you're seeking a versatile and experienced Systems professional to drive your technical initiatives and elevate your operations, let's connect.
Languages
Urdu
NativeEnglish
AdvancedArabic
IntermediateEducation
Jan 2019 - Dec 2022
National College Of Business Administration & Economics
Master of Philosophy · Computer Science · Pakistan
Nov 2011 - Nov 2015
Bahauddin Zakariya University
Bachelor of Science · Computer Engineering · Pakistan
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