Quick Summary
About Grupo Aire
Join Grupo Aire, a leading technology company dedicated to connecting, transforming, and empowering businesses with cutting-edge Telco, Cloud, and IT solutions. Comprising industry leaders like Aire Networks, Ar Telecom, Idecnet, Stackscale, Teradisk, and SysAdminOK, we are a consolidated national and international IT benchmark in Iberia.
Why Teradisk?
At Teradisk, innovation is at our core. We operate and continuously enhance infrastructures with our dedicated R&D team and specialized areas including Operations, Projects, and Kubernetes. Recognized as an Innovative SME, we prioritize automation, utilizing tools such as Ansible, Terraform, and Chef to avoid repetitive tasks. Our robust infrastructure spans data centers in Madrid and Amsterdam, complemented by strategic partnerships with AWS, Azure, and Google Cloud. We tackle diverse technical challenges, from PHP environments to large-scale Kubernetes deployments, making Teradisk an ideal place for technical experts.
We are seeking a Senior Cloud Linux Systems Administrator to manage and maintain client systems and our private cloud infrastructure, primarily based on Proxmox.
Key Responsibilities
- Oversee daily operations for client cloud infrastructures.
- Provide proactive and reactive incident monitoring and resolution.
- Collaborate with various Infrastructure as a Service (IaaS) providers.
- Establish new client environments and offer comprehensive support throughout project lifecycles.
- Test and certify new versions of our technology stack (e.g., PHP, PostgreSQL, Redis), ensuring secure and stable integration and updating corresponding Infrastructure as Code (IaC) repositories.
Required Skills & Experience
- Minimum 5 years of experience in a similar role, with a focus on managing high-availability infrastructure, including load balancing, replication, and failover.
- Advanced proficiency in Linux, particularly Ubuntu environments.
- Expertise in managing, configuring, and administering virtualization systems, especially Proxmox.
- Strong technical knowledge across our stack: MySQL, PostgreSQL, Nginx, CDN technology, HAProxy (load balancers), ElasticSearch and/or OpenSearch, Redis, Varnish, and PHP (configuration and optimization, not development).
- Proven experience with Infrastructure as Code (IaC) for provisioning and configuration, preferably using Ansible.
- Experience in application deployments and/or collaborating with development teams on deployment processes.
- Proficiency in managing and configuring monitoring systems (Nagios, Zabbix, Prometheus, Grafana, or similar).
- Knowledge of backup management for files and databases.
- Ability to develop automation scripts using Bash and/or Python.
- A team player who enjoys knowledge sharing.
- Capable of managing multiple client projects concurrently.
Valued Qualifications
- Experience with 24x7 support.
- Direct client support experience.
- Expertise in system hardening, firewall management (pfSense, iptables, nftables), and compliance with regulations (ISO 27001, GDPR).
- Familiarity with e-commerce software (Magento, Prestashop, WooCommerce), ERP systems (Odoo), and PHP frameworks like Laravel.
- Knowledge of public cloud platforms such as AWS, Azure, or GCP.
- Experience in WAF (Web Application Firewall) configuration and use.
- Proven ability to implement anti-DDOS measures.
- Familiarity with CI/CD pipelines (GitLab CI, Jenkins).
- Excellent verbal and written communication skills.
What We Offer
- Permanent, full-time employment.
- 100% remote work flexibility.
- Flexible working hours: Monday to Thursday (8:45-18:00 with 1hr lunch or 9:00-18:00 with 45min lunch) and Fridays (9:00-15:00).
- Intensive workday schedule during August.
- Commitment to work-life balance, accommodating personal routines and unforeseen events.
- 23 annual working days of vacation.
- Horizontal organizational structure promoting direct and constant communication.
- Work within cohesive, goal-oriented teams using Scrum methodology.
At Grupo Aire, we believe diverse and inclusive teams drive innovation and superior results. We are committed to fostering an environment where everyone can contribute their talent and grow professionally, regardless of gender, age, sexual orientation, identity, culture, or disability. Equality unites us, diversity strengthens us.


