What is the opportunity?
As a Junior Penetration Tester, you will support the security team in identifying and validating vulnerabilities across web applications, mobile applications, APIs, and infrastructure components. Working under the guidance of senior testers, you will help strengthen the organisation's security posture through hands‑on security testing, analysis, and reporting.
In this role, you will:
Perform supervised penetration testing of web, mobile, and API applications
Assist with network and infrastructure scanning using standard security tools
Retest vulnerabilities to confirm successful remediation
Provide basic remediation guidance to engineering teams
Participate in ad‑hoc threat modelling and security discussions
Assist in assessing impact and likelihood of identified findings
Log, track, and follow up on vulnerabilities using internal systems
Work with product and application teams on remediation progress
Support preparation of vulnerability summaries and status reports
Help tune scanning configurations and reduce false positives
Maintain working knowledge of application and infrastructure testing tools
What will make you stand out?
The ideal candidate will have a solid understanding of core web technologies, including HTTP, APIs, authentication, and session management, along with knowledge of the OWASP Top 10 and common application vulnerabilities. They should have exposure to penetration testing tools such as Burp Suite, Nmap, and Kali Linux, as well as familiarity with SAST, DAST, and SCA tooling. Basic scripting ability in Python, PowerShell, or Bash is important, and an awareness of cloud security concepts across AWS, Azure, or GCP is beneficial.
Strong analytical and problem‑solving skills are needed, supported by clear communication abilities to explain findings to technical teams. The role also requires a collaborative mindset, a willingness to learn from senior testers, and a high level of attention to detail, particularly when documenting vulnerabilities and assessment outcomes.
Experience with any of the following will help you to stand out but is not vital in order to apply for this role:
CompTIA Security+
eLearnSecurity eJPT / eWPT
Essential Qualifications
Related qualification in cybersecurity or computer science
More about the team
Group Information Security and Resilience (GISR) is a diverse, collaborative team with multiple skillsets. With global cyber threats constantly evolving, the team is essential to protecting one of the Group's most important and valuable assets: Information.
GISR not only protects the security of the Bank but also enables colleagues to develop secure ways of working and to help them manage information security risk.
This is a hybrid role, based primarily at Baggot Plaza or Cabinteely, Dublin. We typically ask colleagues to spend a minimum of 8 days per month working in‑person to support collaboration and connection. Specific arrangements will be confirmed by your recruiter to ensure they meet the needs of the role and team.
Why work with us?
The Bank of Ireland company culture prioritises work‑life balance with a commitment to hybrid working, along with 23 days annual leave and excellent pension contributions. Family can mean different things to different people; we offer 6 months paid maternity leave, an innovative fertility and surrogacy policy along with working parent and carer supports.
Your health and wellbeing is important to us; we offer a substantial health insurance contribution, employee assistance program, WebDoctor and financial wellbeing coaches available. We also encourage and support staff to pursue educational and professional qualifications to grow and enhance your career!
Key Competencies
Customer Focused - Self
Better together - Self
Be Decisive - Self
Take Ownership - Self
Manage Risk - Self
Inclusion & Culture
We are on a continuous journey to build an inclusive and diverse workplace. We welcome applications from people of all backgrounds, lived experience, abilities and perspectives. We provide reasonable accommodations at every stage of our recruitment process for disabilities, neurodivergence or medical conditions. If you require an accommodation please complete this form and one of our recruitment team members will be in touch via email. Any information provided will be treated as confidential within the recruitment team and used only for the purpose of determining and providing appropriate accommodations for the application and recruitment process.
With Pride – Our objective is to drive representation and inclusion of the LGBTQ+ community, promote bringing your whole self to work, and increase visibility across locations, regionals and mediums.
Gender Balance – Our Gender Balance Network creates an inclusive space where colleagues of all genders can connect, learn from one another, and work together to achieve our gender balance objectives.
Multicultural – We support colleagues from all backgrounds, cultures and ethnicities. We want our colleagues to feel safe, included and experience a sense of belonging.
Flexible Working
We’re committed to giving our colleagues the flexibility they need to thrive. Our hybrid working model is central to this approach, enabling more productive ways of working while supporting a healthier work‑life balance.
For roles that offer hybrid working, we typically ask that colleagues spend a minimum of 8 days per month working in‑person. Specific working arrangements will be confirmed with your recruiter to ensure they meet the requirements of the role and the team you will be joining.
Our Benefits
Pay & Perks
Competitive pay package
Premium pension contribution
Pay reviews & profit‑share scheme
Financial wellbeing coaches
Excellent healthcare contributions
Work‑Life Balance
23 days annual leave
Flexible leave: buy or sell your days
6 months paid maternity leave
Fertility and surrogacy policies
Working parent and carer supports
Career Growth
Support for professional qualifications
Award‑winning career framework
Clear pathways for development and progression
Hear what San San has to say: "At Bank of Ireland there's a range of development programmes and supports. That brings fresh opportunities and the chance to futureproof my career.
To be considered for this role you will be redirected to and must complete the application process on our careers page. To start the process click the Continue to Application or Login/Register to apply button below.
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