Dario Salerno

Barcelona - Catalonia - Spain info@dariosalerno.com

Technical Director | CTO | Lead IT Engineer

Technical Director and Lead IT Engineer with +10 years hands-on experience managing on premise/cloud infrastructures and networks (ISP), Customer Care department, Product development (software and hardware).

Experienced in bootstrapping startups technology, elevating the POCs to industry standard products.


Technical Director (Owner)

Emtrica IT Solutions SL (Spain)

Consulting company specialized in Cloud Infrastructures and Hardware development.

October 2020 - Present

IT, Infrastructure, Hardware Consultant

Planetwatch SAS (France)

IT Infrastructure Management, Automation, Customer Care, Blockchain operations, Hardware development.

May 2020 - Present

IT Infrastructures, Software and Hardware Development, Product Development


January 2013 - September 2020

IT Manager, CTO

VividaWeb SRL (Italy)

I led the Core Business technology transformation from hardware/on premise to Cloud Services/SaaS. Complete product refactoring with new technologies, 70% reduction on operation/infrastructure costs, Revenue share business model implementation.

April 2017 - Ad interim

Systems Administrator

Digital Metrics SRL (Italy)

My focus point in Digital Metrics was to maintain the Linux servers architecture and to improve the Company infrastructure. I also supported the Development Team in the applications performance improvement and the integration. I’ve been involved in the setup of the Internal Issue tracking system, the infrastructure automation and the refactoring of the monitoring system.

October 2016 - August 2017

Linux Systems Specialist

GSNET SRL @ Azienda Ospedaliera Sant'Andrea (Italy)

Configuring, managing and maintaining Linux Systems and Clusters; Provide support to Developers and Application Engineers and tune systems by statistical reports. I have been involved on several projects: From-Scratch implementation of Nagios Core monitoring system and operating procedures; Support for the Mail Servers System migration and implementation of scripts for data recovery; Migration of Physical Linux boxes to the virtualized environment.

February 2016 - October 2016

Network and Systems Consultant

GSNET SRL @ Croce Rossa Italiana (Italy)

In Croce Rossa Italiana I worked on the Networking and Network Security Infrastructure management and documentation. The main daily tasks were to resolve issues on the networks of the Data Center and the remote offices and maintain the monitoring tools. The most used brands were Cisco Catalyst, Brocade, HP switches and Fortigate Firewalls.

November 2015 - February 2016

Network Security Consultant


My main role in the ACEA Security Operations Center was to Configure and Maintain Network Security equipment: IPS, Firewalls, Load Balancers, Mail Antivirus/Anti Spam solutions. I managed the Server virtualization platform of the Department and the Linux servers Infrastructure, the monitoring and reporting tools. The most important devices brands I worked on: Cisco ASA and Catalyst, Juniper ISG, CheckPoint, Fortigate, HP TippingPoint, Citrix Netscaler, Forcepoint proxy, Symantec.

August 2015 - October 2016

Wireless Networks Specialist

Unidata SPA (Italy)

I worked in the HelpDesk department, providing support to Private and Business Customers served by the Wireless connectivity of the Internet Service Provider. I gave devices configuration support to remote field technicians working in the ISP Wireless Points of Presence. I’ve been involved in wide WiFi areas design projects. The top brands I worked on: Ubiquiti, Mikrotik, Cisco, SIAE Microsystems, Alvarion.

August 2014 - July 2015

IT Technician, Wireless Networks Specialist, Systems Administrator

Local ISP (Italy)

As a Wireless networks technician, My daily tasks were configure network devices and give support to field operators, manage the BGP Interconnection with carrier ISPs and the Company Backbone network, Points of Presence and Backbone network design. As Linux Systems administrator, I managed the company servers infrastructure and the monitoring tools.

June 2012 - July 2014



Electronics and Microcontroller programming experience, mostly on Microchip, Atmel and ST Platforms


As the new industry standard, I’m used to making Docker images and deployments in Kubernetes.

Cloud Providers

I have hands-on experience with Amazon AWS, Microsoft Azure and Google Cloud Platform.

IT Automation

I have a deep Ansible knowledge.


Working in different ISP organization positions, I’m able to troubleshoot and design big IP network environments, both IPv4 and IPv6.

I have a background in WISPs, I can handle Wireless networks such HiperLan, WiMAX and public WiFi, also Optical Fiber, Copper Ethernet and xDSL. I have knowledge on Firewalls and Switches of different vendors.

I have experience with dynamic routing protocols in Carrier infrastructures; IPSec and various VPN tunnel technologies.

Operating systems

I use Gnu/Linux Systems daily, mostly Enterprise Linux (RedHat, CentOS, Oracle Linux), Debian, Ubuntu and Devuan distros; also Microsoft Windows Operating Systems.

Network OS/Appliances

Due to my WISP experience, I have a deep knowledge of Mikrotik RouterOS and Ubiquiti AirOS. I also dealt with Cambium Networks, OpenWRT, SquinT, PfSense, Cisco Catalyst, Cisco ASA, Juniper ScreenOS, Citrix Netscaler, WebSense, FortiOS, Citrix NetScaler, CheckPoint.


I handled mostly VMWare environments, I have knowledge also on Oracle VM, Xen and Oracle VirtualBox.


I’m experienced in high traffic HTTP/S web clusters, based both on Nginx and, Apache2, DNS Servers, Squid Proxy, FreeRADIUS, LDAP, A lot of monitoring tools like Prometheus, Grafana, Nagios, Cacti, Smokeping, and dealt with Mail Servers with Postfix, Dovecot and Zimbra.

Distributed Ledger Technologies

Experienced implementing transactions and interfaces mostly with Algorand


I’ve never been a DBA, but I have experience on MySQL, PostgreSql, Redis and ElasticSearch

Version Control

I have good Git knowledge.

Programming Languages

I have C and C++ knowledge, allowing me to understand code and write simple programs.

Markup Languages

I’m able to handle HTML and CSS language.

Scripting Languages

I can write complex Python, PHP and BASH scripts. I have knowledge of Javascript and nodejs.


  • Italian: Mother tongue
  • English: Professional proficiency
  • Spanish: Full proficiency
  • Catalan: Full proficiency
  • French: Elementary proficiency


University of Rome Tor Vergata (Italy)

Computer Engineering
2011 - 2012

ITIS S.Cannizzaro Industrial Technical Institute, Colleferro (Italy)

Electronics and Telecommunications
2005 - 2011

Other activities

I have made basic computer and electronics courses for children and adults.

I participated in various community-driven Open Source projects.

In many school summer holidays I worked in my father’s luthier workshop, woodworking by hand and programming CNC Machines.


I'm a semi-professional baroque trombone player, mostly playing in amatorial ensembles. I have had fun with a lot of music genres.

I love all day bike rides, especially mountain bikes.


For any inquiries please contact me via mail: info@dariosalerno.com .