• In charge of the system administration on different servers, architecting and applying DevOps methodologies.
• R Developer, from authentication to API development. Using ShinyProxy.
• Generation of documentation in RMarkdown.

DevOps & Software Systems Engineer

• Developing an R Shiny App as a product for financial services for the UK
• Web scraping using RSelenium and Rvest packages
• Use of Docker with ShinyProxy and Jenkins for CI/CD 

Software Engineer & DevSecOps



• Developing in Python3 using Raspbian as the base image for several projects for the Pi Zero W and PI 3B+. Working with several HATs. Constraints on user-friendliness, portability, and battery-saving, in order to be able to deploy the project in Guadeloupe (The Caribbean).
• Product designer. Developing the CAD files for the enclosures using FreeCAD, designing new add-ons and 3D-printing them.
• DevSecOps. Deploying Ansible with AWX, writing PlayBooks for different projects. Managing The Vault (HashiCorp) to store sensible data. Used other services like MinIO and Fluent-Bit

Software & Hardware & Design Systems Engineer & SecDevOps



• Maintaining, deploying and developing ACS's (Auto-configuration Servers). Working mainly with Open-Source software GenieACS. This includes the development of Provisioning Flows in order to reach a 0-touch config and fixing CPEs' protocol implementations.
• Worked internationally with clients from Spain, Chile and India 



• Integrating ONTs into the provisioning software
• Working with Debian, MySQL, JavaScript, Python, Huawei OLT/ONT config, TR-069 protocol, Docker, Vagrant, Ansible, Odoo.
• Leader for the transition from LibreACS to GenieACS within the software.
• Automating the deployment process of the provisioning software in ISPs
• Professionally Certified Huawei Associate
• Developing in Python new version of the PSO software

Software & Network Systems Engineer

• Researching new dielectric materials for capacitors, for clients in the UK and Bulgaria.
• Researching in several countries about access points of specific characteristics, for clients in South Africa
• Web scraping with R using RSelenium and Rvest packages, for clients in the UK.

Software & Research Engineer

Developer and system admin working for Switzerland
• Deploying, configuring and maintaining GenieACS, a server-software which provisions, provides maintenance and monitors end-user devices.
• Working with Ruby, Ruby On Rails, JavaScript, Apache, HTML/CSS, Node.js, MongoDB, Redis, Docker, Vagrant, Digital Ocean.
• Working with various distros of GNU\Linux

Developer, systems integrator, system admin and network assistant
• Working with R, Python, JavaScript, MongoDB, MySQL and PostgreSQL, among others
• Integrating Odoo as an ERP solution, and developing new several services for the company, in topics such as task automation and statistics
• SEO and Community Manager @ LinkedIn
• Attending different breakdowns in AirMAX, Mikrotik, DSLAM ADSL/VDSL technologies
• Working most of the time with Ubuntu/Debian systems
• Managing +10 servers in a Hyper-V cluster

Noteworthy results:

- Creating, managing and deploying the needed software in order to auto-configure routers and synchronize DBs. For every new client, now we lose only 3 minutes, rather than 30mins that was the time we were spending before. Total: 10x in saved time.
- Wrote a script in Python to connect via HTTP to all the routers of the company, in order to change several parameters using Selenium
- Cleaned a lot of disorganized data of the old ERP to incorporate it into Odoo, the new ERP of the company, using parallelization in R
- Developed a running task to gather info from 200+ HotSpot APs, and display them beautifully, being “impossible to do” as the CTO and the CTO's right arm said.
- I created a Web Interface for a VDSL DSLAM Huawei via SSH in R.
- Created a Telegram Bot to open the different doors the company has.

Internship
Goal: Providing IT service for the process control operator
• Programming and controlling Honeywell systems
• Automation of tasks in Batch and FTP
• Regulation processes, PID schematics, multivariable control, split-range, interlocks

Control & Optimization Department Engineer

Development of a full stack WebApp in order to provision routers through CWMP/TR069 protocols. 
Development of several WebApps for internal tools
Development of a software product for financial services with R
Development of an open source WebApp to gain insight ofopen-sourcefull-stack population in Spain

Deployment of a project where a lot of Raspberry Pis must be configured and deployed to a desired state.
Open-Source development of installation scripts and Docker Compose files for GenieACS project

Development of Raspberry Pi software deployment for the Caribbean
Development of several Selenium scripts to automate web scraping and web-based reprogramming of routers.

Linux lover with a DevOps mindset in the Computer Networking field

Sergio Fernández Rubio

Development of TR069 and DHCP66 autoconfiguration services for all the entire network. Creation of a WebApp based on R with scripts on Python that gives complete Internet access for a new client. It signs in a new client in the Ticket's database and in two Radius servers, picking up all the data from the principal Management software that the company uses.

Personal details

Sergio R.

Summary

Technical skills

Work Experience

Personal Projects