The English-language job board for Spain

WAF Administrator

On-site in Madrid·Added yesterday (last checked 4 Nov)

Fujitsu

57 open roles

Apply

Our summary

Work mode: On-site, Madrid
Experience: 2+ years
Education: Higher vocational training (FP Grado Superior)
Benefits: Private health insurance, flexible pay plan

Visa options

The ad doesn’t mention sponsorship
No sponsorship mentioned, and this kind of work is rarely sponsored in Spain.

Find jobs with visa support

Skills

Requirements

What we're looking for

At least 2 years' experience in cybersecurity operations, preferably in web application protection.
Higher Vocational Training qualification in IT Systems Administration, Networking or an equivalent qualification.
Experience administering Red Hat (RHEL) systems, including service management, permissions, SELinux and logs.
Practical experience configuring and administering NGINX, including route management, location rules, configuration files and the safe implementation of changes.
Experience administering WAF solutions in production, including security policy configuration, signatures, exceptions and alert analysis, together with the ability to interpret declarative JSON configurations.
Knowledge of HTTP and TLS, digital certificates, HTTP headers, proxy servers and mechanisms for identifying the originating IP address.
Ability to analyse large volumes of logs using command-line tools, identifying events, errors and potential attacks.
Experience developing and maintaining Bash and Python 3 scripts for use in production environments.
Knowledge of Git and experience carrying out testing and validation associated with configuration changes.
Knowledge of the OWASP Top 10 and Spain's Esquema Nacional de Seguridad (ENS).
Experience with controlled change procedures, maintenance windows, change validation and rollback plans.
Ability to document procedures, justify technical decisions and communicate results clearly to both technical teams and clients.

Nice to have

We would also value...

Experience with F5 NGINX App Protect, F5 Advanced WAF or NGINX Plus.
Knowledge of ModSecurity and OWASP Core Rule Set (CRS).
Familiarity with CCN-STIC security guidelines.
Experience with Ansible or other automation and configuration management tools.
Knowledge of platforms such as ELK (Elasticsearch, Logstash and Kibana) or Grafana for analysing and visualising security events.
Experience using ticketing tools to manage incidents, requests and changes.
Certifications related to cybersecurity, systems administration or web application security.
Experience in managed security services, SOC environments or projects within organisations with stringent security requirements.

Pay & benefits

What you'll get

Permanent employment contract.
Monthly allowance for dependent children under the age of 18.
Flexible Compensation Plan (health insurance, childcare, transport and training).
Life and accident insurance.
Pension plan.
Continuous training plan, Udemy licence and access to other learning platforms.
Virtual gym.
Professional development within a leading multinational technology company.
Participation in high-impact and innovative projects.
And much more! (British English rendering of the fixed benefits block.)

Since 1935, Fujitsu has been committed to creating a sustainable world through innovation. Today, we drive digital transformation worldwide with 130,000 employees across more than 50 countries. Our diverse community is empowered to achieve great things through professional development and opportunities. Explore our internal opportunities and join us in shaping a better future. Thank you for being part of Fujitsu. We look forward to growing together towards a better future.

We look forward to hearing from you!

At Fujitsu, we are looking for talented people!

Since 1935, Fujitsu has been committed to creating a more sustainable world through innovation. Today, we drive digital transformation worldwide with 130,000 employees across more than 50 countries. Our diverse community is empowered to achieve great things through professional development and opportunities. Explore our internal opportunities and join us in shaping a better future. Thank you for your interest in becoming part of Fujitsu. We look forward to growing together towards a better future.

The role

If you are looking to develop your career as a WAF Cybersecurity Technician and become part of a highly qualified team, this opportunity is for you!

What you'll do

Administer and maintain WAF (Web Application Firewall) solutions, ensuring the protection and availability of web applications.
Monitor and analyse security events, identifying potential attacks, vulnerabilities and false positives.
Configure and optimise security rules and policies, adapting them to the requirements of each application.
Administer Linux systems and NGINX web servers, carrying out configuration, maintenance and incident resolution activities.
Develop and maintain Bash and Python scripts to automate operational tasks and improve service efficiency.
Manage changes in production environments, performing the necessary validations to minimise risks and ensure service continuity.
Analyse logs and web traffic to investigate incidents, detect anomalous behaviour and propose improvements.
Produce technical documentation and reports covering actions taken and security recommendations.
Collaborate with technical and security teams to resolve issues and continuously improve the service.

About Fujitsu

Fujitsu is an IT services company. Its global careers site (jobs.global.fujitsu.com) lists career opportunities across multiple countries and is available in many languages, including Español (España) and Português (Portugal).

In Spain, Fujitsu currently advertises a wide range of openings, including multilingual IT support and service desk roles that combine English with Spanish, French, German, Italian, Dutch or Portuguese, as well as positions in cybersecurity (e.g. Técnico Soporte de Ciberseguridad, Auditor Pentesting), SAP consulting, data and AI (e.g. Data Scientist / IA Engineer), middleware, systems administration and project delivery. Several service desk openings are structured as talent pools, and some roles — such as a Software Engineering Curricular Internship — are posted in Spanish, indicating an active local hiring presence relevant to international professionals with language skills.

Industry: IT Services

Good to know if you are moving

Fujitsu's global careers site is offered in multiple languages, including Español (España) and Português (Portugal).
Current openings in Spain include multilingual IT support and service desk roles requiring English combined with Spanish, French, German, Italian, Dutch or Portuguese.
Several Spain-based service desk openings are published as talent pools (e.g. 'English/PT - Service Desk Agent (Talent Pool)'), allowing candidates to register for future matching.
Spain roles span cybersecurity (e.g. 'Técnico Soporte de Ciberseguridad', 'Auditor Pentesting'), SAP consulting, data/AI ('Data Scientist / IA Engineer'), middleware and systems administration.
Local-language postings such as 'Software Engineering Curricular Internship' and 'Analista de Sistemas' indicate active hiring in Spain, including internship-level entry points.

All open roles at Fujitsu