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System Administrator / SRE

Oficina Plaza España
Full-time
Permanent employee

About this role

The challenge

We're at a pivotal stage in the evolution of our cloud platform. To continue scaling efficiently and strengthening reliability, we are expanding our Operations & SRE capabilities. Our infrastructure supports mission-critical services for our customers, and ensuring performance, stability, and continuous improvement is at the core of our vision.

As a Site Reliability Engineer / Systems Administrator, your mission will be to monitor and optimize our cloud systems, automate processes, ensure effective incident management, and help us maintain a robust, scalable and secure infrastructure. You will play a key role in minimizing downtime, improving operational efficiency, and supporting sustainable growth.
You'll be part of a highly collaborative engineering environment, working closely with DevOps, Product and Development teams to build reliable services from the ground up, enforce good operational practices and contribute to ongoing enhancements that impact thousands of users.
Collaboration will be essential. You will support critical infrastructure decisions, lead incident response, proactively detect risks and ensure that both technology and teams can continue to scale confidently.

Requirements that are important for us

  • Experience in administration of large-scale cloud or MSP infrastructures.
  • Expert in Linux systems (a must).
  • Experience working with critical environments requiring fast and effective incident resolution.
  • Solid networking expertise: TCP/IP, DNS, load balancing, firewalling, network virtualization.
  • Experience with network storage solutions (Ceph, NFS or similar).
  • Knowledge of virtualization and cloud orchestration platforms.
  • Database administration basics: MySQL, MariaDB or PostgreSQL.
  • Experience with monitoring and tuning tools (Zabbix, Nagios, Prometheus, Grafana, Datadog…).
  • Understanding of ITIL processes for managing incidents, problems, and changes.

Key skills and expected impact

  • Strong documentation practices and contribution to operational knowledge.
  • Monitoring and optimization of performance, identifying bottlenecks and preventing service interruptions.
  • Ability to lead root cause analysis and prevent recurring incidents.
  • Implementation of centralized log management and analysis.
  • Excellent communication in Spanish and intermediate English.

Nice to have

  • Experience with Ansible for automation and configuration management.
  • Experience with web servers and virtualized platforms.
  • Advanced security knowledge and system hardening.
  • Analytical mindset focused on operational excellence.
  • Experience with ticketing systems (workflow creation, prioritization, follow-up).

Tools

  • Monitoring & performance: Prometheus, Grafana, Nagios, Zabbix, Datadog, or similar
  • Logging: Centralized log management systems
  • Databases: MySQL, MariaDB, PostgreSQL
  • Orchestration: CloudStack, OpenStack, or similar
  • Collaboration & knowledge base: Jira, Confluence, Microsoft 365, Slack
  • Ticketing & ITSM: ITIL-based tools

About us

Ready to shake up the tech world? At Jotelulu, we’re on a mission to empower Technology Service Providers with our secure, all-in-one cloud platform. We unite automation, AI, and growth tools, giving our partners the freedom to scale fast, launch big ideas, and build their brand with confidence.
This is the perfect time to join us: the company is growing rapidly, the challenges are exciting, and each person has a real impact.

If you are passionate, ambitious and ready to help shape the future of cloud technology, we want to meet you. You will join a fun, fast-paced, collaborative, and agile team, helping us scale our platform to millions of users while building out Jotelulu’s own infrastructure and data centers with the latest technologies.


Life a Jotelulu
 
We’re passionate about technology, but we’re also a bit geeky—we love Star Wars, video games, 90s movies, and pop culture.
 We work hard and with passion, but we also have a great time together. At Jotelulu, you’ll find a balance between work and fun, where teammates often become friends, and boredom is rare—there’s always something new, unexpected, and memorable happening.




Videos behind the scenes
 
Meet our team! 
     

This is how we roll at events!
 


Our own event, the SUMMIT
 



What We Offer

At Jotelulu, we aim to create an environment where people can grow, enjoy what they do, and bring their best selves to work. That’s why we’ve designed a benefits package that reflects who we are, how we work, and what we value as a company.

Jotelulu Culture

Our culture is how we work, how we relate to one another, and how we build something meaningful together.
It’s not about “cool” values for a website — it’s about real behaviors we live every day: a positive atmosphere, accountability, trust, and effectiveness.


At Jotelulu, we are committed to:

A great working environment built on teamwork, optimism, joy and the drive to do things well.
Responsibility and ownership, because everyone knows what needs to be done and finds the way to make it happen.
Trust, as the foundation of teamwork and our relationships with partners.
Effectiveness, focusing on results and constantly challenging ourselves to ensure we’re on the right path.


Special Days      
You’ll enjoy:      
December 24th and 31st off,      
Your birthday off — because we believe your day should be yours.      
      
Competitive Salary      
We offer a competitive salary aligned with the market and reviewed periodically to ensure fairness and recognition.      
      
Continuous Learning      
We support your professional growth through internal training, learning resources, and development plans tailored to your career path.      
      
Private Health Insurance      
You’ll have access to private health coverage, giving you peace of mind and support in your day-to-day life.      
      
Informal Events      
We believe in celebrating achievements, strengthening team bonds, and having fun along the way. We regularly organize informal events and activities to enjoy time together and reinforce our team spirit.