Óscar M. Lage Guitián — DevOps Engineer

• info@oscarmlage.com
• linkedin.com/in/oscarmlage
• github.com/oscarmlage

Work experience

GreenWatt360 S.L. Co CTO, DevOps and Software Engineer 2023-present

• Built and managed infrastructure with Ansible, Docker, and automation tools.
• Developed a centralized OCPP system for EV chargers, users, payments, and metrics (Go).
• Developed an API (Go) to supply data for mobile apps and internal administrative tools (PHP).

Freelance Analyst, DevOps and Software Engineer 2012-present

• Provided professional expertise in Python, Go, and PHP development to diverse clientele.
• Built and maintained projects written in various libraries, environments, and stacks.
• Constructed and monitored infrastructure on on-premises and AWS cloud environments.
• Helped customers adopt automation through Ansible and modern CI/CD strategies.

DiscoAzul S.L. Sysadmin, Fullstack Developer 2008-2014

• Managed, monitored and built the Linux infrastructure, as well as the different environments.
• Configured and monitored all the servers, as well as their web services, databases and MTAs.
• Developed an ecommerce system, CMSs and several APIs using PHP and Javascript.

Interdix Galicia S.L. Sysadmin, Fullstack Developer 2002-2008

• Direct responsible for the mission-critical services used to provide ISP services.
• Operated a fleet of Linux and BSD servers, maintaining and configuring the services, (web, MTAs and FTP servers).
• Lead PHP developer, building webs for the customers and internal tools to manage the the infra.

Himafel S.A. Junior Developer 2000-2002

• Managed with Windows systems, Visual Basic, SQL Server, and Active Directory.
• Responsible of management software for inventory, accounting and finances.

Education

• Advanced Linux Administration Systems, Infrastructure Engineering (2004).
• CISCO Network Academy (CCNA, 2002).
• Bachelor of Science (Computer Systems Administration, Linux and Unix envs, 1997-1999).
• Vocational career in software development.
• Spanish: Native Speaker. English: Fluent.

Skills

• Infrastructure: Linux, Networking, Ansible, Docker, Proxmox, MTA, Nginx.
• Programming: Python, PHP, Go, SQL, no problem learning new languages.
• Other: CI/CD, Git, passionate about documentation and automation.