Muhammad F.
Linux System Admin | Service Desk Specialist | Cybersecurity Expert
With 4+ years of hands-on experience and 70+ successful projects on Upwork, I help businesses keep their servers, SaaS platforms, and cloud infrastructure running securely, reliably, and efficiently. I specialize in end-to-end system administration and technical support, from resolving urgent server issues to managing day-to-day SaaS operations. Whether you need a quick fix, ongoing service desk coverage, or long-term infrastructure support, I deliver enterprise-grade results with clear communication. 🛠️ Core Expertise Service Desk & SaaS Support: Google Workspace, Asana (including automations), Slack, Zoom, and cloud apps Server & Hosting Administration: Linux (Ubuntu, CentOS, Debian), WHM/cPanel, Contabo, AWS, Hetzner, OVH DNS & Email Systems: Domain setup, DNS records, MX/SPF/DKIM, email troubleshooting, migrations Security & Compliance: SSL/TLS (Let’s Encrypt, custom certificates), firewall setup, system hardening, malware removal WordPress & Web Platforms: Plugin management, updates, migrations, uptime monitoring Automation & Efficiency: Bash scripting, Ansible, Make (Integromat) integrations 📊 What Clients Say ⭐ “Muhammad saved us from an emergency situation. He resolved the issue almost instantly and saved the day.” ⭐ “He is more than your average freelancer — really smart, knows Linux in-depth, and communicates clearly.” ⭐ “The only freelancer who read my job offer carefully and delivered a professional solution. Highly recommended.” ✅ Why Work With Me Reliability: 91% Job Success and consistent 5⭐ reviews Speed: Average response time under 24 hours, emergency fixes in minutes Professional Background: BS in Cybersecurity + Senior Systems Engineer experience managing 50+ client environments Availability: 30+ hours/week, aligned with client time zones 📞 Let’s Work Together Whether you need ongoing service desk leadership, SaaS platform support, or secure server management, I bring the technical expertise and proactive approach to keep your systems stable and your team productive.
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $389
Billed in all: $7,903$7.9k
$97 in the last 6 months
Across 96 contracts
Earnings, last 30 days
Skill rankings: Top 27% in Linux
Ranked by MRR among everyone on Upwork with the skill.
- #41Plesk112 freelancers · 🇵🇰 #7Top 37%🇵🇰#7 of 18
- #84Backup & Migration219 freelancers · 🇵🇰 #24Top 38%🇵🇰#24 of 53
- #138Firewall448 freelancers · 🇵🇰 #17Top 31%🇵🇰#17 of 56
- #149Ubuntu544 freelancers · 🇵🇰 #21Top 27%🇵🇰#21 of 71
- #153Server Administration419 freelancers · 🇵🇰 #28Top 37%🇵🇰#28 of 68
- #189Windows Administration668 freelancers · 🇵🇰 #12Top 28%🇵🇰#12 of 42
- #272Cloudflare636 freelancers · 🇵🇰 #38Top 43%🇵🇰#38 of 97
- #296Network Security902 freelancers · 🇵🇰 #47Top 33%🇵🇰#47 of 135