I'm Joaquin, a DevOps/IT with a strong focus on GNU/Linux. Specializing in Docker, Ansible, and bash scripting, VM deployment and configuration (QEMU, KVM), VPNs deployments, Nginx configuration, managing firewalls and back-ends, I also deploy applications using CI/CD tools like Ansible, GitHub Actions, and Bitbucket Pipelines. I'm an adaptable and efficient problem solver, continuously learning and implementing solutions on the fly.
DevOps
Linux
Linux System Administration
NGINX
Bash
Python
DNS
Server Administration
Python Script
Web Server
Bash Programming
Cybersecurity Management
Docker
Docker Compose
Web Development
Giuseppe P.
Cosenza, Italy
$85/hr
5.0
47 jobs
The SysAdmin Who Fixes What He Audits
Your infrastructure is critical. Whether it's a server down at 3 AM, a DevOps pipeline that needs to be bulletproofed, or a NIS2 compliance deadline three weeks away — you need someone who understands both the code and the consequences.
I'm Giuseppe. 12+ years managing production Linux infrastructure for hosting providers, SaaS platforms, and enterprise environments. ISO 27001 & ISO 9001 Lead Auditor certified (IBC/ACCREDIA accredited). I don't hand you a report and disappear. I implement the fix.
🔧 LINUX INFRASTRUCTURE & DEVOPS
Server Administration & Performance
- Linux (Debian, Ubuntu, CentOS/Rocky, AlmaLinux) — tuning, troubleshooting, production hardening
- Apache/Nginx optimization, Varnish, database performance (MySQL/MariaDB replication)
- Virtualization: Proxmox clusters, KVM, LXC containers
DevOps & Automation
- CI/CD pipelines, infrastructure automation, Ansible playbooks
- Custom monitoring and alerting systems (Zabbix, Prometheus, Grafana)
- Backup architecture with integrity verification and disaster recovery testing
Web Hosting Platforms
- cPanel/WHM expert, Plesk, DirectAdmin, ISPConfig
- Mail systems: Postfix/Dovecot, spam filtering, deliverability and reputation repair
- High-availability and load-balanced web environments (HAProxy, Nginx upstream)
Cloud & Migrations
- AWS, Google Cloud, DigitalOcean, bare-metal datacenter
- Zero-downtime migrations — including 50GB+ mail servers with zero data loss
- BGP routing, datacenter networking (Huawei VRP, GRE tunnels, failover)
🔐 SECURITY & COMPLIANCE
Infrastructure Security
- Firewall design and deployment: OPNsense, pfSense, iptables/nftables
- Server hardening, intrusion detection, DDoS mitigation
- Incident response, forensic analysis, post-breach recovery
Compliance & Auditing
- ISO 27001 Lead Auditor — IBC/ACCREDIA accredited certification
- ISO 9001 Lead Auditor
- NIS2 / D.Lgs. 138/2024 compliance assessment and implementation roadmap
- GDPR technical measures — real infrastructure changes, not just documentation
- ISMS implementation for SMBs (practical, scalable, without enterprise overhead)
Why this matters: most compliance consultants understand the framework, not the stack. I run the gap analysis and implement the remediation. One engagement, not two.
🎯 WHAT MAKES ME DIFFERENT
No fluff communication — I tell you exactly what is broken, why, and what it costs to fix.
Production-safe approach — changes tested and staged before touching live systems.
Full documentation — every engagement ends with clear, human-readable documentation your team can use without me.
Long-term architecture thinking — I build systems to last, not patches to close tickets.
🏆 RECENT WINS
E-commerce platform: page load 8 seconds to 800ms (10x improvement)
Stopped a 500K+ req/s DDoS without service interruption
Automated backup testing pipeline — caught 6 silent backup corruptions before disaster
NIS2 compliance roadmap for Italian SMB: full implementation in 4 weeks
ISO 27001 gap analysis: 87 findings, fully remediated and compliant in 3 months
BGP migration from legacy ISP to dual-transit with zero downtime
📋 WHEN TO HIRE ME
Emergency situations:
- Server down or severely degraded
- Active breach, hacked server, malware containment
- Failed deployment with business impact
Planned projects:
- Infrastructure audit and security hardening
- ISO 27001 / NIS2 compliance implementation
- DevOps pipeline setup or optimization
- Cloud or bare-metal migration
- Ongoing managed infrastructure with real SLAs
NOT a good fit if you need someone who rubber-stamps a checklist and moves on. I dig into root causes and fix them properly. This takes slightly longer and costs more. It is worth it.
📬 AVAILABILITY
Taking new projects — limited capacity for ongoing engagements.
Emergency response: typically within 4-6 hours on business days.
Message me with your specific problem, timeline, and budget. I respond with clear next steps, no vague proposals.
Linux Administration | DevOps | Server Security | ISO 27001 | NIS2 Compliance | GDPR | Cybersecurity | pfSense | OPNsense | cPanel | WHM | Plesk | Proxmox | KVM | HAProxy | Nginx | Apache | MySQL | MariaDB | Postfix | Ansible | Cloud Migration | Incident Response | Infrastructure Audit | ISMS
Linux System Administration
System Administration
Web Service
Apache HTTP Server
cPanel
Postfix SMTP Server
WHMCS Development
Web Hosting
Debian
CentOS
Plesk
DNS
Web Application Firewall
Acronis
Francisco P.
Panicale, Italy
$28/hr
5.0
120 jobs
+7 years experiencie with Linux and Open Source Linux
+3 years homologating linux to big companies (Conectiva SA, Positivo SA and ViaVarejo SA)
+ Bachelor of Computer Science degree (Parana Federal University from Brazil)
+ 5 years working in Center for Scientific Computing and Free Software (C3SL)
I can work with all kind of linux or unix like distro and related services. I am also working with DDoS mitigation.
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