Linux/Unix System Engineer på Arsys i Avenida de Bruselas 7
Arsys · Avenida de Bruselas 7
Linux/Unix System Engineer
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-crit...
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).
Systems: Solid experience in administering Linux infrastructure (Red Hat/CentOS/RockyLinux, Debian).
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.
Avenida de Bruselas 7•Posted: Jul 9•Deadline: Aug 16
We are looking for a Sr. Strecth Operations Manager to build a new team:
KEY RESPONSIBILITIES
* Build Your Team: Lead the recruitment of 7 senior engineers to fill critical positions in Spain.
* Take Technical Command: Become the subject matter expert for Linux platforms, Ceph storage, and OpenStack.
* Mitigate Risks: Ensure that the Telekom migration and the stability of the Stretch platform are not compromised during the
transition.
* Design the Future: Establish on-call policies, operational workflows, and Infrastructure as Code (IaC) automation standards.
WHAT WE'D LIKE TO SEE
We are looking for a "Player-Coach" who commands the respect of engineers because you have been in the trenches yourself.
* Credible Leadership: 2+ years managing technical teams and the ability to attract top-tier talent within the Spanish market.
* Solid Technical Foundation: 5+ years of real-world experience in large-scale Linux systems administration.
* Cloud & Storage Expert: Essential hands-on experience with Ceph and OpenStack.
* Automation Master: Proficiency in Ansible, Puppet, or Terraform.
* Solution-Oriented Mindset: The ability to transform chaos into scalable, well-documented systems.
EXPECTATIONS
* Being part of a multidisciplinary team passionate about technology, with an open and dynamic culture, where experimentation and
discussion are encouraged to progress at work, always with respect and inclusion.
* We offer personalised career plans, annual performance evaluations and programmes to develop skills.
* We operate in Spanish and English and therefore provide unlimited language training. We work on international projects and
define best practices with United Internet partners.
* We have flexible start and finish times, respecting a schedule of meetings in the central part of the morning and a range of
work from 7 a.m. to 9 p.m. with a hybrid model in one of our offices (Alcobendas, Valencia, Barcelona, Seville or Logroño).
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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.
Avenida de Bruselas 7•Posted: Jul 9•Deadline: Aug 16
MISSION OF THE ROLE
You will be part of the team responsible for operating one of the largest and most complex hosting platforms in Europe.
Your mission will be to ensure the stability, performance, and evolution of the Stretch platform, working directly on critical
production systems and contributing to the continuous improvement of a highly distributed infrastructure.
This is a strongly technical role with hands-on impact at scale, where your work will directly influence service quality and
platform evolution.
You will collaborate closely with Hosting Technology teams and other web hosting teams within IONOS, with frequent interaction
with international colleagues—particularly in Germany—to consolidate knowledge of existing systems.
RESPONSIBILITIES
* Operation, maintenance, and evolution of large-scale Linux infrastructure.
* Advanced (Level 3) support for complex platform incidents.
* Automation of processes using scripting (BASH, Python) and infrastructure tools.
* Operation and management of distributed storage systems (Ceph).
* Monitoring and analysis of the platform using observability tools (Grafana and similar).
* Continuous improvement of system architecture and stability.
* Collaboration with international teams to absorb knowledge from legacy systems.
* Participation in on-call rotation.
PROFESSIONAL PROFILE
MUST HAVE
* +3 years of experience in Linux system administration.
* Strong scripting skills in BASH and Python.
* Experience with configuration and automation tools:
* Puppet or SaltStack
* Ansible or Terraform
* Hands-on experience operating Ceph storage clusters in production environments.
* Experience with monitoring and observability tools such as Grafana.
* Fluent English, required for international communication.
NICE TO HAVE
* Knowledge of SQL databases (MySQL, PostgreSQL).
* Solid understanding of networking fundamentals.
* Experience with container technologies (Docker/Kubernetes).
* Knowledge of CI/CD pipelines.
* Experience in highly distributed or high-availability environments.
SOFT SKILLS
* Technical curiosity and continuous learning mindset.
* Ability to work in complex environments with incomplete documentation.
* Pragmatic approach to problem solving.
* Team player in international environments.
* Proactive attitude to independently build technical context.
* Participation in an on-call rotation (approx. 1 week every 6).
BENEFITS
* Hybrid working model across any of the Arsys offices in Logroño, Alcobendas, Valencia, Barcelona, or Seville, with broad
flexible working hours aligned with team coordination needs.
* Opportunity to work on one of the most advanced and large-scale hosting platforms in Europe.
* Direct exposure to highly complex distributed systems at significant scale.
* International technical environment with cross-country collaboration.
* Participation in critical projects with direct impact on service stability.
* Continuous training and professional development within a global technology organization.
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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.
Avenida de Bruselas 7•Posted: Jul 9•Deadline: Aug 16
We are looking for an Specialist System Administrator Linux for the Hosting Technology team:
KEY RESPONSIBILITIES
* Platform Management: Build, maintain, and optimize large-scale Linux platforms and Ceph storage clusters.
* Continuity & Support: Provide Level 3 support, working closely with Level 2 teams and participating in on-call rotations
(approx. 1 week every 6) after an initial adaptation period.
* Knowledge Transfer: Collaborate with colleagues in Cologne (Germany) to absorb institutional knowledge of legacy systems and
document critical processes.
* Continuous Improvement: Identify performance bottlenecks and propose/implement proactive improvements to the existing
architecture.
WHAT WE'D LIKE TO SEE
* Experience: Minimum of 3 years in Linux systems administration, with at least 1-2 years in team leadership or technical
management roles.
* Storage: Proven experience operating Ceph clusters.
* Automation & Configuration: Strong command of configuration management tools (Puppet, Saltstack) and orchestration tools
(Ansible, Terraform).
* Scripting: Advanced proficiency in BASH and Python.
* Cloud & Virtualization: Hands-on experience with OpenStack.
* Observability: Proficiency with monitoring tools such as Prometheus and Grafana.
EXPECTATIONS
* Being part of a multidisciplinary team passionate about technology, with an open and dynamic culture, where experimentation and
discussion are encouraged to progress at work, always with respect and inclusion.
* We offer personalised career plans, annual performance evaluations and programmes to develop skills.
* We operate in Spanish and English and therefore provide unlimited language training. We work on international projects and
define best practices with United Internet partners.
* We have flexible start and finish times, respecting a schedule of meetings in the central part of the morning and a range of
work from 7 a.m. to 9 p.m. with a hybrid model in one of our offices (Alcobendas, Valencia, Barcelona, Seville or Logroño).
----------------------------------------------------------------------------------------------------------------------------------
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.
