Muhammad Mansoor Ahmed
@muhammadmansoorahmed
Junior Linux System Administrator supporting Linux servers and networking, with a reported UVDesk vulnerability assigned CVE-2024-53394.
PakistanWhat I'm looking for
I administer Linux servers for personal and client infrastructure through my freelance IT and network infrastructure work, using RHEL and Ubuntu for configuration, updates, and troubleshooting.
I build and deploy containerized applications with Podman and Docker, and write Ansible playbooks for recurring configuration management tasks.
I set up and maintained an Asterisk-based VoIP/PBX system on a remote VPS, connecting Polycom VVX 500 hardphones over WireGuard and resolving SIP signaling, RTP, and NAT traversal issues.
I identified and reported a critical exposed API key vulnerability in UVDesk, assigned CVE-2024-53394, and assisted in identifying a vulnerability in Uptime-kuma. I’m seeking a remote Junior Linux System Administrator role.
Experience
Work history, roles, and key accomplishments
Freelance IT & Network Infrastructure
Self Employed
Sep 2021 - Present (5 years)
Administered Linux servers (RHEL, Ubuntu) for personal and client infrastructure, using Cockpit and CLI for administration, updates, and troubleshooting. Built and deployed containerized applications with Podman and Docker, and automated configuration management with Ansible.
Front Desk Receptionist | Guest Relations
Holiday Inn (IHG) & Rove Hotels (EMAAR Hospitality Group)
Jun 2015 - Aug 2021 (6 years 2 months)
Provided 7+ years of professional experience in high-accountability, fast-paced international environments, including acting Manager on Duty responsibility overnight at a 270-room property. Handled sensitive guest data and compliance checks under strict regulatory requirements.
Education
Degrees, certifications, and relevant coursework
CompTIA
CompTIA Security+, Cybersecurity
In progress for the CompTIA Security+ certification.
Cisco
CCNA, Networking
In progress for the CCNA certification.
Red Hat
Red Hat Certified System Administrator (RHCSA), Linux System Administration
In progress for the Red Hat Certified System Administrator (RHCSA) certification.
Federal Urdu University of Arts, Science & Technology
BSc, Computer Science
2007 - 2011
Completed a Bachelor of Science in Computer Science.
Coursera
Google Cybersecurity Professional Certificate, Cybersecurity
Earned the Google Cybersecurity Professional Certificate.
Coursera
Google IT Support Professional Certificate, IT Support
Earned the Google IT Support Professional Certificate.
Coursera
Google IT Automation with Python Certificate, IT Automation
Earned the Google IT Automation with Python Certificate.
British Council
IELTS Academic, English Language
Grade: 7.0
Achieved an overall band score of 7.0 (C1 level) on the IELTS Academic exam.
Availability
Location
PakistanAuthorized to work in
Salary expectations
Social media
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