arsys EN
Arsys offers 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...
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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 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.
Ready to apply?
Apply to arsys EN
Specialist System Administrator Linux
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 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.
Ready to apply?
Apply to arsys EN
Senior Linux Platform Engineer – Complex Systems & Incident Resolution
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...
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.
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.
Ready to apply?
Apply to arsys EN
Senior Linux Platform Engineer – Complex Systems & Incident Resolution
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...
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.
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.
Ready to apply?
Apply to arsys EN
Senior Linux Platform Engineer – Complex Systems & Incident Resolution
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...
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.
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.
Ready to apply?
Apply to arsys EN
Senior Linux Platform Engineer – Complex Systems & Incident Resolution
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...
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.
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.
Ready to apply?
Apply to arsys EN
Senior Linux Platform Engineer – Complex Systems & Incident Resolution
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...
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.
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.
Ready to apply?
Apply to arsys EN
Senior Linux System Administrator- Cloud Operations
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...
Are you a Linux expert who loves solving challenging problems and automating complex systems? Do you want to work in a dynamic, international team where your technical skills make a real impact? Join IONOS and help us power cloud and hosting services for thousands of customers worldwide!
About the Role
As a Senior Linux System Administrator in our Managed Service Platform Operations (MSPO) team, you will manage, automate, and optimize our server platforms (bare metal and virtualized), ensuring high-quality service delivery for cloud and hosting services. You’ll work hands-on, troubleshoot complex issues, and continuously improve our platforms through automation and best practices.
Tasks
- Ensure smooth daily operations of managed service platforms.
- Administer Linux servers globally.
- On-call support as a 3rd-level agent for customer tickets (max one week per month).
- Automate recurring tasks using Bash, Perl, Python, and Ansible.
- Troubleshoot Linux systems, Apache servers, and MySQL databases.
- Collaborate with team members, stakeholders, and customers.
- Maintain documentation and follow best practices.
Requirements
- Advanced Linux system administration skills.
- Experience in Bash, Perl, or Python scripting.
- Troubleshooting experience with Linux, Apache, and MySQL.
- Experience with Ansible automation.
- Familiarity with ticketing and collaboration tools (OTRS, Jira, Confluence).
- Strong problem-solving skills, proactive mindset, attention to detail.
- Excellent communication skills and customer-oriented attitude.
Benefits
- Hybrid work in Valencia.
- Flexible working hours.
- Flexible compensation packages.
- Discounts on Arsys products.
- Discounts on technology brands.
- Personalized training and development.
- Biannual team events.
Ready to apply?
Apply to arsys EN