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Cleverson P.
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Cleverson P.

Linux Infrastructure & Security | OPNsense | Proxmox | Wazuh | Zabbix

I help businesses secure and optimize Linux infrastructure, firewalls, VPNs and virtualization environments. Specialized in: Network & Security: OPNsense | pfSense | Wazuh SIEM Wireless & Infrastructure: Ubiquiti UniFi Ecosystem Virtualization & Backup: Proxmox VE | Proxmox Backup Server VPN & Connectivity: WireGuard | OpenVPN | Cloudflare Tunnel SysAdmin & DevOps: Linux Servers | Docker | Reverse Proxy Core Services: Network Troubleshooting | Infrastructure Hardening I work mainly with: VPN issues Firewall configuration Secure remote access Reverse proxy problems Linux server deployments Monitoring and log analysis High availability environments I focus on fast troubleshooting, security best practices and stable infrastructure delivery. If you need someone to solve infrastructure and security problems quickly and professionally, let’s talk.

🇧🇷Matinhos, Brazil$18/hr100% JSS5.00 (2)Since May 2026

Earnings and projects

MRR
$326

Last 6 months ÷ 4 months active (since Jul 2026)

World#95,103 / 412k
🇧🇷Country#1,141 / 4,647
Revenue, last 30 days
$289

Last 6 months: $1.3k

World#75,346 / 412k
🇧🇷Country#893 / 4,647
Total earnings
$1.3k

Billed in all: $1.4k

World#370,224 / 412k
🇧🇷Country#4,202 / 4,647
Per project
$330

$326 in the last 6 months

World#222,518 / 412k
🇧🇷Country#2,449 / 4,647
Projects, last 6 months
4

Across 5 contracts

60% fixed40% hourly
World#51,813 / 412k
🇧🇷Country#490 / 4,647
Projects in all
4

Across 5 contracts

60% fixed40% hourly
World#283,741 / 412k
🇧🇷Country#2,759 / 4,647

Earnings, last 30 days

$1.4k+$289 earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$1,000$1,250$1,500$1,750Oct 8Oct 23Nov 7

Skill rankings: Top 15% in Virtualization

Ranked by MRR among everyone on Upwork with the skill.

  1. #13OpenVPN80 freelancers · 🇧🇷 #1Top 16%
  2. #20Zabbix108 freelancers · 🇧🇷 #2Top 19%
  3. #22Zero Trust Architecture57 freelancers · 🇧🇷 #1Top 39%
  4. #23PfSense88 freelancers · 🇧🇷 #2Top 26%
  5. #28Proxmox VE144 freelancers · 🇧🇷 #1Top 19%
  6. #31Ubiquiti121 freelancers · 🇧🇷 #1Top 26%
  7. #35Apache HTTP Server220 freelancers · 🇧🇷 #1Top 16%
  8. #47Virtualization305 freelancers · 🇧🇷 #1Top 15%