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Umair
@umairfreelan
Linux Engineer Luxembourg RHCSA RHCASA RHCE Ansible VCP
Australia
Chi sono
I’m an RHCE-certified Linux and Infrastructure Engineer based in Sydney, with 10+ years of IT experience. I help businesses troubleshoot Linux servers, automate tasks with Ansible, and maintain reliable infrastructure. My skills include RHEL, Red Hat Satellite, VMware, Apache, Nginx, SSL/TLS, SELinux, firewalld, LVM, Bash scripting, patching, backups, and migrations. I hold RHCE, RHCSA, and VMware VCP-DCV 2021 certifications. I offer clear communication, tested solutions, and practical documentation for troubleshooting projects and ongoing Linux support.
Competenze
Umair
offline •
Tempo di risposta medio: 1 ora
Consulta i miei servizi
Migrazioni delle piattaforme
I will perform linux system administration tasks
Amministrazione del server
I will install ssl certificate on website to secure web over the network
Portfolio
Esperienza lavorativa
Consultant
Confidential
Jul 2023 - Present • 3 yrs 3 mos
Assist clients with Linux infrastructure upgrades, including migration from RHEL 7 to newer RHEL versions on VMware vSphere. • Patch Linux servers using Red Hat Satellite and troubleshoot server, application, performance and security issues. • Build shell scripts for network-event email alerts using tools such as Zabbix and OpManager. • Configure backup schedules, retention policies and redundancy strategies using shell scripting and VEEAM Backup. • Implement security controls including firewalls, encryption, security patching and regular security reviews. • Optimize server and hosted-application performance through resource tuning, caching and configuration improvements. • Advise clients on Linux web-hosting requirements, scalability, security and infrastructure planning.
Linux Engineer- Luxembourg
Halian
Dec 2022 - Jun 2023 • 6 mos
Provided infrastructure and operations support as external engineering staff. • Provided advanced technical support and served as an escalation point for IT incidents and service requests. • Used Ansible with Red Hat Satellite for automation, Linux filesystem extension/resizing and repeatable administration tasks. • Designed and modified shell scripts and supported scheduled Linux patching activities. Muhammad Umair Saqib | Page 1 • Registered and subscribed Linux servers to Red Hat Satellite for centralized repository management. • Planned and documented project work, coordinated with stakeholders, and supported root-cause analysis and workarounds. • Migrated servers from RHEL 7 to RHEL 8 on VMware infrastructure and patched Dev, Test, UAT and Production environments. • Tested and deployed Nessus security agents using Ansible playbooks
Manager Linux Systems
COMSATS Internet Services
Dec 2018 - Sep 2021 • 2 yrs 9 mos
Managed Linux and Windows servers on VMware infrastructure and planned compute and backup capacity. • Implemented web and network security controls including ModSecurity and ConfigServer Firewall. • Investigated vulnerable PHP web-shell activity, website defacement incidents and customer application issues. • Supported CMS deployments including WordPress and Joomla and troubleshot PHP/database connectivity issues. • Integrated hosting software across Linux and Windows environments and developed monitoring using OpManager and Zabbix. • Led technical meetings, assigned team tasks, validated server backups and participated in technical recruitment.
