05/20/2025 updated
100 % available
Sysadmin & B2B Support Expert | Secure Server Depl
Catania, Italy
Secure Shell (SSH)Technical SupportAutomationBusiness To BusinessTelecommunicationsBusiness ContinuityUnixUbuntu (Operating System)CentOSDebian LinuxLinuxDisaster RecoveryDomainkeys Identified MailDomain-Based Message Authentication Reporting and Conformance (DMARC)Domain Name System (DNS)Incident ResponseHTTP SecureInfrastructure ManagementMaintenanceAnsibleServer AdministrationStakeholder ManagementSystem SafetyRoot Cause AnalysisSysadminFirewalls (Computer Science)GitSender Policy Framework (SPF)IptablesCloudflareSafety PrinciplesSoftware Version ControlDocker
I'm a Linux System Administrator with over 5 years of hands-on experience supporting B2B customers and managing reliable, secure server infrastructure. I help businesses—from startups to established enterprises—run their systems smoothly, solve critical issues quickly, and build scalable, well-documented environments.
? What I Do Best:
I specialize in deploying, maintaining, and securing Linux-based systems (Ubuntu, Debian, CentOS), both in cloud and on-prem environments. Whether it’s a one-time server setup or ongoing monthly maintenance, I deliver clean, optimized configurations tailored to each client’s use case.
? Security & Stability First:
I take system security seriously. I can harden servers with firewalls (UFW, iptables), Fail2ban, SSH policies, and regular update automation. I also set up scheduled backups and disaster recovery plans to minimize downtime and ensure business continuity.
? DNS & Email Expertise:
With years of experience working in DNS-heavy environments, I’m proficient in configuring authoritative and recursive DNS (BIND, PowerDNS, DNSdist, Cloudflare). I can handle domain delegation, SPF, DKIM, DMARC, and troubleshoot mail deliverability issues—essential for maintaining reputation and reaching inboxes.
?️ Automation & Tools:
I use tools like Ansible to automate server configuration, manage deployments, and maintain consistency across environments. I’m also comfortable with Docker and Git for lightweight application deployments and version control.
? B2B Technical Support:
I’ve worked with telecom providers and enterprise clients in Europe, handling support tickets, incident response, and root-cause analysis. I understand the importance of fast response, clear documentation, and communicating with both technical and non-technical stakeholders.
? Why Work With Me:
? What I Do Best:
I specialize in deploying, maintaining, and securing Linux-based systems (Ubuntu, Debian, CentOS), both in cloud and on-prem environments. Whether it’s a one-time server setup or ongoing monthly maintenance, I deliver clean, optimized configurations tailored to each client’s use case.
? Security & Stability First:
I take system security seriously. I can harden servers with firewalls (UFW, iptables), Fail2ban, SSH policies, and regular update automation. I also set up scheduled backups and disaster recovery plans to minimize downtime and ensure business continuity.
? DNS & Email Expertise:
With years of experience working in DNS-heavy environments, I’m proficient in configuring authoritative and recursive DNS (BIND, PowerDNS, DNSdist, Cloudflare). I can handle domain delegation, SPF, DKIM, DMARC, and troubleshoot mail deliverability issues—essential for maintaining reputation and reaching inboxes.
?️ Automation & Tools:
I use tools like Ansible to automate server configuration, manage deployments, and maintain consistency across environments. I’m also comfortable with Docker and Git for lightweight application deployments and version control.
? B2B Technical Support:
I’ve worked with telecom providers and enterprise clients in Europe, handling support tickets, incident response, and root-cause analysis. I understand the importance of fast response, clear documentation, and communicating with both technical and non-technical stakeholders.
? Why Work With Me:
- I speak both business and tech: ideal for client-facing roles or external tech support
- I document everything and never leave loose ends
- I work proactively: I don't just fix problems—I prevent them
- You’ll work directly with me, not through an agency
Languages
EnglishFluentItalianNative speaker
Project history
Configured and secured a Linux VPS for a B2B SaaS client. Set up SSH access, UFW firewall, automatic updates, and backup automation. Provided remote support and technical documentation.
Set up Cloudflare-managed DNS, including SPF, DKIM, and DMARC records for an e-commerce client. Resolved email deliverability issues and ensured proper configuration for transactional emails.