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Application Security Principal

Entain

Vienna, Vienna, Austria permanent

Posted: September 22, 2025

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Quick Summary

As an Application Security Principal, you will provide expert-level guidance and leadership, serving as a Subject Matter Expert (SME), driving technical excellence, and in

Job Description

Sports betting, gaming and interactive entertainment is changing, and we’re leading that change. By putting people first. By placing exciting, engaging and entertaining experiences at more fingertips than ever before. We're pulling into pole position by pushing boundaries further. With innovation. With technology. But most importantly, with people like you. Because when you join Entain, it’s your game. So let’s win together.

As an Application Security Principal, you'll provide expert-level guidance and leadership, serving as an Subject Matter Expert (SME), driving technical excellence, and influencing security best-practices across the organisation.

Reporting to the Head of Application Security, you will collaborate with cross-functional teams to assess, design and implement robust security solutions for applications.

The role requires a person with outstanding technical foundations and a development background that has experience in conducting application security assessments and is able to interact with development teams to resolve the identified issues.

Are you ready to start a winning career? 

• Strong experience in a similar lead/advisory Information Security position.
• A customer-oriented person, with the ability to educate and influence a technical audience on Application Security matters.
• A solid software development background, with any of the following - Java, C/C++, C#, Perl, PHP, Python.
• Knowledge of major frameworks and support libraries (SPRING, OSGI, ASP.NET, etc.)
• Strong experience in the following areas:• Application security assessments, testing & test automation.
• Security Evaluation & Functional Testing.
• Penetration testing.
• Requirements Management.
• Agile Development.
• Vulnerability management.
• Continuous Improvement.

At Entain, we know that signing top players requires a great starting package, and plenty of support to inspire peak performance. Join us, and a competitive salary is just the beginning.

Depending on your role and location, you can expect to receive benefits like:

• A regular bonus
• Healthcare support
• A stake in our success through our ShareSave scheme
• Great development opportunities
• Wellbeing support, and so much more.

And outside of this, you’ll have the chance to turn recognition from leaders and colleagues into amazing prizes, join a winning team of talented people and be a part of an inclusive and supporting community where everyone is celebrated for being themselves.

Should you need any adjustments or accommodations to the recruitment process, at either application or interview, please contact us.

At Entain, we do what's right. It's one of our core values and that's why we're taking the lead when it comes to creating a diverse, equitable and inclusive future - for our people, and the wider global sports betting and gaming sector. However you identify, our ambition is to ensure our people across the globe feel valued, respected and their individuality celebrated. 

We comply with all applicable recruitment regulations and employment laws in the jurisdictions where we operate, ensuring ethical and compliant hiring practices globally.

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