If you need support in completing the application or if you require a different format of this document, please get in touch with at with the subject line: "Application Support Request". Job Type: PermanentLocation: Letterkenny, Co. Donegal (Onsite)Join a global tech leader right here in Donegal. With over 850 employees and a state-of-the-art global delivery centre, we're proud to offer world-class career opportunities without having to leave the Northwest. Recognised as Workplace of the Year by the Letterkenny Chamber, we foster a culture of continuous learning, innovation, and respect. Our people are at the heart of everything we do – collaborating across teams, geographies, and disciplines to drive real change for clients around the world. Be part of something global, grounded in Donegal.Careers at TCS: It means moreTCS is a purpose-led transformation company, built on belief. We do not just help businesses to transform through technology. We support them in making a meaningful difference to the people and communities they serve - our clients include some of the biggest brands in the UK and worldwide. For you, it means more to make an impact that matters, through challenging projects which demand ambitious innovation and thought leadership.The RoleAre you a recent graduate or graduating later this year and looking to kick start your career in Application Penetration Testing with TCS?We are looking for passionate and curious graduates to join our expanding team. In this role, you will receive structured training, hands on experience with industry-standard tools and frameworks, and the opportunity to work alongside experienced penetration testers in our Letterkenny office to help identify and remediate real-world security vulnerabilities in enterprise applications. Your responsibilities: • Assist in manual and automated application penetration testing of web applications and APIs under the guidance of experienced penetration testers.• Support scoping and information‑gathering activities, learning how to understand application functionality, architecture, and defined testing scope.• Contribute to penetration testing reports by documenting identified vulnerabilities, understanding risk ratings, and learning how to write clear remediation recommendations.• Participate in retesting activities to verify that vulnerabilities have been successfully remediated and meet security standards.• Work closely with senior team members to develop effective communication skills and understand best practices when engaging with clients.• Collaborate with the wider cyber security team, sharing ideas and learning new techniques to continuously improve penetration testing methodologies and tooling.• Research emerging application security threats, vulnerabilities, and attack techniques, and apply this learning to real world testing scenarios.Your ProfileEssential skills/knowledge/experience: • Either a recent graduate or someone about to graduate in the next few months in Cyber Security or a related field, with at least one module in Penetration Testing• Excellent communication and interpersonal skills, with the ability to clearly articulate vulnerabilities, risks, and remediation strategies.• Understanding of the OWASP WSTG & OWASP Top 10• Aware of the CVSS (Common Vulnerability Scoring System) calculator to accurately assess and prioritize risks based on severity and potential impact.• Aware of CWE (Common Weakness Enumeration)• Knowledge of working with technologies such as Burp Suite, Kali Linux.• Ability to deliver several key pieces of work at pace, whilst maintaining high standards.• Ability to write clear, structured reports.• Ability to work as part of a team • Attention to detailDesirable skills/knowledge/experience: • Analytical and problem-solving skills • Development knowledge would be beneficial• Experience working within the financial service industry• A certification in CompTia Network +, A+, Pentest+, Security+ is desirable but not essential• Knowledge or experience of AI Tools • Japanese, Spanish or Portuguese language skills an advantageRewards & Benefits TCS is consistently voted a Top Employer in the UK and globally. Our competitive salary packages feature pension, health care, life assurance, laptop and access to extensive training resources and discounts within the larger Tata network.We offer health & wellness initiatives and sports events; we are the proud sponsor of the London Marathon and partner with our local communities in Ireland. Diversity, Inclusion and Wellbeing Tata Consultancy Services UK&I is committed to meeting the accessibility needs of all individuals in accordance with the Ireland Employment Equality Acts as amended) and the Equal Status Acts as amended). We welcome and embrace diversity in race, nationality, ethnicity, disability, neurodiversity, gender identity, age, physical ability, gender reassignment, sexual orientation. We are a disability inclusive employer and encourage disabled people to apply for this role. As a Disability Confident Employer, we offer an interview to applicants with disabilities or long-term conditions who meet the minimum criteria for the role. Please email us at if you would like to opt in.If you are an applicant who needs any adjustments to the application process or interview, please contact us at with the subject line: "Adjustment Request" or email to request an adjustment. We welcome requests prior to you completing the application and at any stage of the recruitment process. Beware of Fraudulent offersThis is to notify you that TCS does not ask for any sort of payment or security deposit from candidates at any stage of the recruitment process. The firm never sends out job offers from free internet email services like Gmail, Yahoo Mail, and so on. TCS has not authorised any third-party company to collect money on their behalf. As a vigilant job seeker, beware of fraudulent recruitment activity and protect your interests You can write to to report any fraudulent activity.Due to the high volume of applications, we will be unable to contact each applicant individually on the status of their application. If you have not received a direct response within 30 days, then it should be deemed unsuccessful on this occasion.Join us and do more of what matters. Apply online now.