Senior Application Security Engineer - AI Security & Pentesting (m/f/d)

It's more than a job

In this IT role, you will manage, develop, and support the technology infrastructure that powers Kuehne+Nagel’s global systems and operations. This contribution is vital to making both special and ordinary moments in the lives of people a reality. In fact, your work enables our teams to deliver fresh fruit, time-sensitive healthcare products and much more to people all around the world. Working in IT at Kuehne+Nagel contributes to more than we imagine.

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As a Senior Application Security Engineer - AI Security & Pentesting (m/f/d), you will play a key role in strengthening secure software development at Kuehne+Nagel. As part of our global AppSec team, you will help develop modern security capabilities, address emerging AI security challenges, and improve how we test and secure applications. You will have the opportunity to shape security practices, introduce new technologies and approaches, and lead initiatives that strengthen application security across our global engineering organization.

How you create impact

• Perform hands-on security assessments and penetration testing of Kuehne+Nagel applications, while helping improve automated security testing.
• Support the secure use of AI in software development by building scalable security capabilities, defining guardrails, and helping engineering teams safely use AI-powered tools and workflows.
• Improve security testing for traditional and AI-enabled applications by evaluating new testing methods, AI-assisted techniques, and emerging security tools.
• Assess emerging AI threats and attack techniques, determine their relevance to Kuehne+Nagel, and turn findings into security requirements, standards, testing approaches, and practical guidance for developers.
• Provide expert guidance, training, and hands-on support to engineering teams and stakeholders to strengthen secure software development practices across the organization.
• Collaborate with the global AppSec team on a wide range of initiatives, with responsibilities shaped by your skills, experience, and business priorities.

What we would like you to bring

• 5+ years of experience in Application Security, including hands-on security testing and test automation.
• Strong interest in AI and AI security, with experience securing and testing LLM-based applications, agentic AI systems, and AI-assisted software development. Familiarity with AI platforms, gateways, and tools such as LiteLLM, Amazon Bedrock, AgentCore, and AI security testing tools such as Strix is a plus.
• Ability to assess emerging security threats and attack techniques, including AI-specific risks such as indirect prompt injection and tool abuse, and turn them into practical security requirements, controls, testing methods, and best practices.
• Strong software engineering background, ideally in an enterprise environment, with strong Python skills and preferably experience with Java.
• Collaborative and team-oriented, with the ability to work effectively with international, cross-functional teams and align different stakeholders.
• Strong communication skills and fluent English, both written and spoken, with the ability to explain security concepts clearly to technical and non-technical audiences.

What's in it for you

Your work has a direct impact on the future of logistics and IT. Your team is made up of experts who are shaping the IT industry in Portugal and around the world. We want you to feel comfortable in our working environment, where you will be dealing with different cultures. That is why we offer flexible working hours and the opportunity to work remotely. We value teamwork, continuous learning and diversity. Kuehne+Nagel offers you a tailor-made career with individual planning and team leaders who will support you in every way. On a personal level, we support you with a wide range of work-life balance options, supplementary health insurance and our EAP - Employee Assistant Program.

Who we are

Logistics shapes everyday life - from the goods we consume to the healthcare we rely on. At Kuehne+Nagel, your work goes beyond logistics; it enables both ordinary and special moments in the lives of people around the world.

As a global leader with a strong heritage and a vision to move the world forward, we offer a safe, stable environment where your career can make a real difference. Whether we help deliver life-saving medicines, develop sustainable transportation solutions or support our local communities, your career will contribute to more than you can imagine.

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