Linux/Unix System Engineer

We offer you the opportunity to join the leading Spanish company in the IT sector, with more than 25 years of experience and one of the most solid track records as a provider of technological solutions for companies.

We are a growing company with more than 400 employees and offices in Logroño, Madrid, Barcelona, Seville, Bilbao and Valencia.

Since August 2013, we have been part of the IONOS Group, Europe's leading digitalisation partner for small and medium-sized companies.

In short, we are a multicultural team that’s passionate about technology, bringing our professional experience from over a dozen countries: Germany, Argentina, Spain, the United States, France, the Philippines, Italy, Poland, Portugal, the United Kingdom, Romania...

We are looking for a Linux/Unix Systems Engineer to join our Systems Operations team (8 people). This role balances the management of a robust and business-critical Linux infrastructure with the evolution toward modern Platform Engineering methodologies and automation.

If you are looking for a stable position with a hybrid model, flexible working hours, and a high level of technical ownership, this project is for you.

What will you do on a daily basis?

• Ensure the high availability, performance, and security of our internal systems platforms and database solutions.
• Guarantee the operational stability of key services (storage platforms, DNS, hosting, and email services).
• Drive internal process and reporting automation, exploring the use of AI Engineering to reduce manual tasks.
• Participate in the team's on‑call rotation (24/7) to ensure service continuity.

Technical Profile & Requirements

• Languages: English is a mandatory requirement for this role (working language).
• Automation: Proficiency in scripting (Python, Bash, Perl) and configuration management tools such as Ansible.
• Platform Engineering: Experience with or a strong interest in modern environments utilizing Kubernetes (k8s), Terraform, and Helm.
• Networking: Basic knowledge of networking and routing protocols (such as BGP).
• Mindset: No fear of taking over responsibility for complex systems and troubleshooting issues autonomously.

Nice to have (A plus, but not mandatory)

• Previous experience with traditional Unix systems (such as Solaris).
• Knowledge of German.

What we offer

• Location: Work from any of our Arsys offices (Logroño, Madrid, Barcelona, Valencia, or Sevilla).
• Flexibility: Hybrid work model (3 days remote, 2 days in the office) and flexible working hours.
• Perks & Discounts: Discounts on our own products as well as on top recognized brands.
• Social & Team Building: 2 annual company parties + dedicated team‑building activities with your team to connect and share.
• Flexible Compensation: Flexible benefits plan (health insurance, Childcare ticket, restaurant card).
• The Team: An engineering environment of 8 people where technical initiative and collaborative work are highly valued.

At Arsys we value diversity and welcome all applications regardless of, for example, gender, nationality, ethnic or social origin, religion, disability, age, as well as sexual orientation and identity, physical characteristics, marital status or any other irrelevant factor subject to applicable law.