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Ryanair - Europe's Favourite Airline • Dublin, Leinster, Ireland
Role & seniority: Senior Penetration Tester at Ryanair Labs (Information Security Department)
Stack/tools: Pen‑testing across networks, applications, cloud (AWS, Azure), mobile, APIs, PCI environments, and physical assets; programming (Python preferred); report writing; threat modeling; development of internal methodologies and custom tools/ exploits
Lead and execute penetration tests across web apps, internal/external networks, mobile, APIs, cloud, PCI, and physical assets; define scope and inventory
Deliver detailed technical reports and executive summaries with remediation recommendations
Develop internal methodologies, toolsets, and custom scripts/exploits; stay current with threats and exploitation techniques
4+ years in information security and penetration testing
Proficiency in security assessments and threat modeling across heterogeneous systems
Strong knowledge of networks, Linux/Windows, web apps, Active Directory, and cloud (AWS/Azure)
Programming ability (Python preferred)
Experience communicating findings to stakeholders; strong English writing and presentation skills
Ability to work independently or in a team
Location & work type: Madrid, Spain; hybrid model (up to 3 days remote per week) with on-site offices
Company/contexts: Ryanair Labs; Europe’s Large
Description
Ryanair Labs are currently recruiting for a Senior Penetration Tester to join Europe’s Largest Airline Group!
This is a very exciting time to join Ryanair as we look to expand our operation to 800 aircraft and 300 million guests within the next 10 years.
Ryanair Labs is the technology brand of Ryanair. Labs is a state of-the-art digital & IT innovation hub creating Europe’s Leading Travel Experience for our customers.
The Role
This role is part of the Information Security Department of Ryanair. As a key player in our offensive security operations, you will lead and execute penetration testing engagements across networks, applications, cloud environments, and physical systems. Your expertise will help to identify critical vulnerabilities, validate security controls, and enhance our overall security posture.
Responsibilities
Conduct penetration tests on web applications, internal and external networks, mobile platforms, APIs, cloud environments (e.g., AWS, Azure), PCI environments and physical assets. This task includes the scope definition and inventorying of the applications that will be assessed. Deliver detailed technical reports and executive summaries with clear remediation recommendations. Assist in the development of internal methodologies, frameworks, and toolsets. Develop custom tools, scripts, and exploits to support advanced testing scenarios. Stay current with the latest threats, vulnerabilities, and exploit techniques.
Requirements
4+ years of information security and penetration testing work experience preferred. Proficiency in security assessments and the ability to conduct threat modelling for a wide range of systems, applications, and infrastructure. Strong understanding of network protocols, operating systems (Linux, Windows), web applications, Active Directory, and cloud environments (e.g., AWS, Azure). Good programming skills. Python is our default, but any other language is welcome. Experience in engaging with business stakeholders to define test scope, gather requirements, and communicate findings. Excellent communication skills in English, with the ability to translate complex technical findings into clear reports for both technical and non-technical audiences. Capable of working independently or in a team. Relevant penetration testing or offensive security certifications (e.g., OSCP, OSWE, CRTP, CRTE) are preferred.
Benefits
A competitive but flexible technical career plan. We believe in an hybrid working model, you can work up to three days per week remote, but you are also going to enjoy the excellent work environment at our modern offices in the heart of Madrid. Optional discounts on health insurances (various companies). Travel discounts, of course!.
Apply today to discuss the role in more detail!
Competencies
Dependability
Initiative
Interpersonal Skills