Senior Penetration Tester – Offensive Security Lead

ING Hubs Spain; Madrid; Hybrid; EUR 50,000 - 70,000; Full time

Benefits offered by this job

Health insurance

Life insurance

Flexible remuneration

Access to gym and other facilities

Job summary

A leading financial services firm is seeking a Senior Pentester to join their Offensive Security Center of Expertise in Madrid. You will conduct penetration tests, evaluate risks, and mentor team members in a modern international environment. The ideal candidate has extensive experience in penetration testing, strong problem-solving skills, and holds relevant certifications. This position offers flexible work arrangements, health benefits, and opportunities to contribute to cybersecurity innovations.

Qualifications

• Several years of hands-on experience in penetration testing and vulnerability assessment.
• Proficient in various penetration testing tools and methodologies.
• Good knowledge of programming and scripting languages.
• Hands-on certifications like eWPTX, OSWE, OSEP, BSCP, CPTS.
• Knowledge of advanced persistent threats (APTs) and modern attack techniques.
• Experience with cloud security and testing environments.
• Contributions to the cybersecurity community.

Responsibilities

• Conduct comprehensive penetration tests on applications, infrastructure, and systems.
• Evaluate and report on the risk of identified vulnerabilities.
• Support the implementation of IT security requirements across projects.
• Mentor and support other team members.

Skills

Penetration testing

Vulnerability assessment

Burp Suite

Nmap

Ghidra

IDA

Frida

Problem-solving

Analytical skills

Education

Higher technical education in Information Technology

Tools

Cloud security tools

Job description

At ING Hubs Spain we are looking for a Senior Pentester

Your role and work environment:

We are looking for a talented and enthusiastic Senior Pentester to join our Offensive Security Center of Expertise at ING Hubs Spain.

As a member of our global CISO, you will join the Offensive Security Center of Expertise (CoE), which plays a key role in proactively identifying security risks across the organization. This is a strategic initiative for the company, focused on enhancing cyber resilience through advanced penetration testing and red teaming. You will work in a modern, international environment with access to the latest tools and technologies.

Your key responsibilities:

As a Senior Pentester you will:

• Conduct comprehensive penetration tests on applications, infrastructure, and systems.
• Evaluate and report on the risk of identified vulnerabilities, providing actionable remediation guidance.
• Support the implementation of IT security requirements and standards across projects.
• Collaborate with development and infrastructure teams to improve security posture.
• Mentor and support other team members.
• Contribute to the development and refinement of internal testing methodologies and tools.
• Stay up to date with emerging threats, tools, and techniques in offensive security.

What are we looking for?

Want to know if this job is made for you? These are some of the qualities that we value the most for this role. And if the shoe fits… don’t hesitate to apply!

• Have several years of hands-on experience in penetration testing and vulnerability assessment.
• Are proficient in various penetration testing tools and methodologies such as Burp Suite, Nmap, Ghidra, IDA, Frida, and others.
• Have good knowledge of programming and scripting languages.
• Possess strong analytical and problem-solving skills to identify and exploit vulnerabilities.
• Hold relevant hands-on certifications (e.g., eWPTX, OSWE, OSEP, BSCP, CPTS and others).
• Knowledge of advanced persistent threats (APTs) and modern attack techniques.
• Experience with cloud security and testing cloud environments.
• Contributions to the cybersecurity community (e.g., published research, registered CVEs, conference presentations).
• Higher technical education, preferably in Information Technology.
• Holding additional security certifications (e.g., CISSP, CISA, CISM and others).
• Experience working in an international environment.

What do we offer?

The time you spend at work, the challenges you face or the lessons you get are very important, but… What about your personal life? At ING we want your work to fulfill you in every way, and that is why we take care of even the smallest details.

Check out what is waiting for you!

Be flexible my friend.

Our model is all about flexibility and accountability. Keeping both our customers and our colleagues needs in mind, you determine together which days you work at home and which you come to ING MAD to offer your best self. Do your thing.

So that thinking about what to have for lunch doesn’t take up your time or your cravings.

Our house will be your home.

In our offices you can find electric mobility solutions, doctor, hairdresser, gym, The Good Service (to help you with your errands) and much more!

Health insurance.

For you and all your family (spouse/partner and children).

Life insurance.

We help you protect what matters most to you.

Flexible remuneration.

In addition, you will enjoy our flexible remuneration model, through a more tax-advantaged way, you will be able to access other services such as nursery, transport card, training aids…

It doesn't matter where you live, we’ll help you get to the office.

Pension plan.

You can benefit from our pension plan after 1 month with us!

Discover ING Hubs Spain

We’re building something exciting—and we want you to be part of it.

ING is launching the new member of ING Hubs in Spain, an integral part of ING in charge of designing and delivering important technological and operational solutions to make banking frictionless for our customers. ING Hubs play a key role in our ‘Growing the difference’ strategy to become the best European bank. This will be our sixth global hub, joining a network of over 13,000 professionals in the Philippines, Poland, Romania, Slovakia, Türkiye and Spain.

What makes us different?

We have a tech-first mindset: We’re not just a bank—we’re a tech company that happens to do banking. Our new hub will be a center of excellence for scalable, fast, and secure technology.

We have global impact: You’ll be working on solutions that serve more than 34 million of customers in over 38 countries.

We are agile: ING was the first bank to adopt agile at scale. We continue to evolve with a collaborative, cross-functional way of working.

Sustainability at the heart of what we do: We have a role to play in defining new ways of doing business that align economic growth with positive environmental and social impact.

At ING, we believe in diversity, inclusion, and belonging. We’re proud of our international teams and are committed to creating an environment where everyone can thrive. We value authenticity, collaboration, and continuous learning.

We’re looking for curious minds, bold builders, and passionate problem-solvers. If you’re looking for a place to find new ways to drive efficiency and provide superior customer value, where your ideas matter, and where you can grow with purpose—we’re looking forward to meeting you.