Sergio Fernández Rubio

DevOps & MLOps Specialist | Network Virtualization

Moves to Murcia, Murcia

  • 37.9923
  • -1.1306
  • Indicative rate €340 / day
  • Experience 2-7 years
  • Response rate 100%
  • Response time 1h
Propose a project The project will only begin when you accept Sergio's quote.

Availability not confirmed

Propose a project The project will only begin when you accept Sergio's quote.

Location and geographical scope

Murcia, España
Can work in your office at
  • Murcia and 50km around
  • Murcia and 50km around



  • Español

    Native or bilingual

  • Inglés

    Full professional proficiency

  • Búlgaro

    Full professional proficiency

  • Francés

    Limited working proficiency

Skills (49)

  • Methodologies
  • Beginner Intermediate Advanced
  • BigData
  • Beginner Intermediate Advanced
  • Containerization
  • Beginner Intermediate Advanced
  • Beginner Intermediate Advanced
  • Beginner Intermediate Advanced
  • Beginner Intermediate Advanced
  • Frameworks
  • Beginner Intermediate Advanced
  • Testing
  • Beginner Intermediate Advanced

Sergio in a few words

Telecommunications Engineer who likes tinkering with programming languages for networking operations and protocols, as well as hardware/software-oriented projects. I love to automate everything.

I define myself as a responsible, tenacious, and patient person, being committed to the projects I am assigned to. I am a “Never Stop Learning” passionate, ready for the next challenge.




Network Virtualization & Research Engineer

Leganés, España

January 2020 - Today

Researching, designing and developing for the successful completion of the 5G-DIVE European-Taiwanese project. This includes the design and discussion of software architecture and its detailed implementation, revision of formal texts, state-of-the-art research and testing

Research domain: Service-Level Agreements (SLAs), Clusters, AutoML, Distributed Ledger Technologies (DLTs), Software Engineering, Database Design, Systems Design, DevOps, ML Ops

• Tech stack:
- Orchestrators/Managers/VIMs such as F0rce, Kubernetes/K3s, Helm, Docker Compose, Fog05, Docker
- Programming languages/Frameworks such as Java, Spring Boot, Python, Flask, R, Shiny
- AI/ML or distributed AutoAI/AutoML platforms such as TensorFlow, Keras, Ray,, TPOT, AutoGluon, NNI
- Distributed ledger technologies/Databases such as Hyperledger Fabric, MongoDB

Repsol - REPSOL

Energy & Utilities

Control & Optimization Department Engineer

Cartagena, España

July 2014 - September 2014

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

Electrónica Martínez


Software & Network Systems Engineer

Cartagena, España

April 2015 - May 2016

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.



Software & Network Systems Engineer

Zúrich, Suiza

March 2016 - August 2017

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


High Tech

Software & Research Engineer

Murcia, España

March 2016 - May 2017

• 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.
  • R
  • Selenium
  • Network Engineering
  • Linux
  • Physics
  • Research

Anvimur Telecomunicaciones


Software & Network Systems Engineer

Murcia, España

September 2017 - September 2018

• 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
• Trying to renew the company from its foundations, in order to make the software commercially-competitive again, but sadly, when there is no will, there is no way.

Good Peoples Connected


Software & Hardware & Design Systems Engineer & SecDevOps

Sainte-Anne, Francia

May 2018 - July 2019

• Develop 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. Deploy Ansible with AWX, writing PlayBooks for different projects. Managing The Vault (HashiCorp) to store sensible data. Manage other services like MinIO and Fluent-Bit

AP Data Services Limited

Banking & Insurance

Software Engineer & DevSecOps

Chester, Reino Unido

February 2018 - Today

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

Culture Of Insight

Press & Media

DevOps & Software Systems Engineer

City de Londres, Reino Unido

August 2019 - Today

• 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.



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