Simone Freddi - CV

Open to work

Personal Data

Brief Profile

System and Network administrator with more than 15 years of professional experience in managing Linux infrastructures and networks, mainly in the field of web hosting, mail servers and ISP services.

GNU/Linux enthusiast since 2001, with solid experience in Debian/Ubuntu, Red Hat and derivative distributions. Specialised in complex environment administration, migrations, security, virtualisation and network services for enterprise customers and ISPs.

Professional experience

02/2022
-
02/2025

System Administrator

next layer Telekommunikationsdienstleistungs- und Beratungs GmbH

administration of operating systems and applications on customer servers (Debian, Ubuntu, RHEL, Oracle Linux)

migrations and major version upgrades of complex systems

Kubernetes clusters administration

Nextcloud administration (instances in a Docker environment)

SSL certificates management

domain management

technical support of other teams

Debian Ubuntu RHEL Oracle Linux CentOS Bash Scripting Apache NGINX MySQL PostgreSQL Mailcow Postfix SPF DKIM DMARC Fail2ban Docker Kubernetes VMWare vSphere Proxmox Veeam Grafana Graylog Nagios DNS SSL Certificates LAMP LEMP NextCloud

07/2018
-
09/2021

System and network administrator

E-Mind s.r.l.

Linux server administration (web and mail server, Zimbra, Plesk, anti-SPAM systems, security breaches management, monitoring systems, ...)

Zimbra, Plesk, Nextcloud and SSL certificates management

structured networks administration (core routers, switches, firewalls, VPNs, ...)

Wordpress system-level administration

xDSL services - telco2telco systems management, relations with other telcos

OpenFiber services - provisioning and assurance

FreePBX administration

documentation writing and maintenance

domain management (EuroDNS, NIC.it)

Debian Ubuntu CentOS Bash Scripting Apache NGINX MySQL PostgreSQL Zimbra Postfix SpamAssassin SPF DKIM DMARC Fail2ban VMWare vSphere Proxmox Veeam BackupPC Zabbix DNS pfSense Watchguard OpenVPN IPsec Plesk SSL Certificates LAMP LEMP WordPress NextCloud PHP Python RADIUS xDSL QoS QoE

01/2007
-
10/2017

System and network administrator

Ovus.it s.r.l. / Ehiweb s.r.l.

Linux servers system and hardware administration (web and mail servers, Plesk)

LIR management (NOC, abuse contact and relations with RIPE)

domain management (Ascio, NIC.it)

hosting management (third level tech support, security breaches management)

core routers administration and BGP configuration

xDSL services (telco2telco systems management and relations with other telcos, order management systems for Telecom Italia Wholesale, relations with Telecom Italia Wholesale Provisioning and Assurance, access network configuration and management (Cisco BRAS, RADIUS, QoS/QoE), third level tech support)

Debian Ubuntu Bash Scripting Apache NGINX MySQL PostgreSQL Postfix SPF DKIM DMARC Fail2ban Nagios Cacti DNS Cisco IOS BGP Plesk SSL Certificates LAMP LEMP WordPress CMS RIPE PHP Python RADIUS xDSL QoS QoE

04/2005
-
12/2006

Software developer

Ovus.it s.r.l. / Ehiweb

in-house software development in PHP and Python

PostgreSQL and MySQL database design, development and maintenance

Debian Bash Scripting Apache NGINX PostgreSQL Postfix Nagios Cacti PHP Python

School Education

09/1996
-
07/2001

Science and Technology High School

Liceo Scientifico Tecnologico "F. Alberghetti"

Maturità Scientifica

Projects

  • CentOS 7 to Oracle Linux 8 (next layer): responsible for migrating VMs managed by the applications team (planning, customer management, testing, deployment, checks).
  • Zimbra, Nextcloud, Plesk (E-Mind): responsible for all shared, in-house and customer instances, responsible for migrations to and from instances.
  • Coverage verification system (Ovus.it/Ehiweb): co-designed and co-wrote the second version of said system, from the database structure to actual application code. Given an address, the system provided the deliverability of services from asymmetric bitstream ADSL over ATM to EVDSL FTTC.
  • In-house CRM (Ovus.it/Ehiweb): co-designed and co-developed the second version of the in-house CRM, from database structure to actual application code (customers/suppliers records, orders, payments and services management, accounting, ...).

Language Skills

  • Italian (native)
  • English (British Council Milan 2020 - IELTS 7.0 | CEFR Level C1)
  • German (CEFR Level B1)

Soft Skills

  • ability to identify the right tool for the highlighted need
  • use of the scientific method as an interpretation of reality
  • accustomed to intervening in unforeseen situations without contextual information
  • care for details
  • compliance, as far as possible, to the KISS principle
  • particular attention to reproducibility, comprehensibility and self-documentabilty
  • teamplayer

Hobbies and Interests

  • System and network administration
  • Music (as listeneer and performer)
  • Motorcycling
  • Science fiction and fantasy literature and cinema

Contact

EN DE IT