Pentesting SME

Tata Consultancy Services Limited; Letterkenny; Hybrid; EUR 90,000 - 130,000; Full time

Benefits offered by this job

Pension

Health care

Life assurance

Laptop

Phone

Extensive training resources

Discounts within Tata network

Health & wellness initiatives

London Marathon sponsor

Job summary

Tata Consultancy Services Limited seeks an experienced Cyber Security Professional for offensive security and VAPT engagements in a Dublin hybrid setup. You will simulate real world attacks, identify exploitable vulnerabilities, and provide actionable remediation across enterprise environments.

Candidates should have 5–8+ hands‑on years in penetration testing, strong report writing, and stakeholder communication. OSCP/OSEP/CRTP/CISSP are preferred.

Qualifications

• Experience in Offensive Security, vulnerabilities assessment and penetration testing (VAPT).
• Ability to simulate real‑world attack scenarios and provide remediation recommendations.
• Strong knowledge of attacker techniques, red teaming methods and modern security architectures.

Responsibilities

• Deliver independent penetration testing services across infrastructure, cloud, web, mobile, APIs and network estates.
• Conduct ethical hacking engagements to identify vulnerabilities and validate controls.
• Create executive and technical penetration testing reports and track remediation with stakeholders.

Skills

Web App Security

Mobile Security Testing

API Security Assessments

Cloud Security Assessments

OWASP Top 10

MITRE ATT&CK

NIST & PTES

Penetration Testing

Red Teaming

Executive Reporting

Tools

Burp Suite Pro

Nmap

Qualys VMDR

Wireshark

MobSF

Nikto

OWASP ZAP

BloodHound

Hashcat

Hydra

HackerOne

Grafana

Job description

If you need support in completing the application or if you require a different format of this document, please get in touch with [e-mail] with the subject line: “Application Support Request”.

Job Type: Permanent

Location: Dublin (Hybrid 3 days in office)

Careers at TCS: It means more

TCS 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.

Deliver independent and project-driven penetration testing services across the infrastructure, cloud environments, web applications, mobile applications, APIs, and network estate. Conduct ethical hacking engagements to identify vulnerabilities, validate security controls, and enhance Customer detection and response capabilities through continuous security assurance activities.

Your Profile

Experienced Cyber Security Professional with strong expertise in Offensive Security, Vulnerability Assessment, and Penetration Testing (VAPT). Proven experience in conducting internal, external, web application, mobile application, API, and cloud penetration testing engagements. Ability to simulate real-world attack scenarios, identify exploitable vulnerabilities, assess security controls, and provide actionable remediation recommendations. Strong understanding of attacker techniques, red teaming methodologies, and modern security architectures across enterprise environments.

Essential skills/knowledge/experience:

Experience performing:

• Web Application Security Testing


• Mobile Application Security Testing


• API Security Assessments


• Cloud Security Assessments (Azure/AWS)

Strong knowledge of:

• OWASP Top 10


• MITRE ATT&CK Framework


• NIST & PTES methodologies

Proficiency in penetration testing tools such as:

• Burp Suite Professional


• Nmap


• Qualys VMDR


• Wireshark


• MobSF


• Nikto


• OWASP ZAP


• BloodHound


• Hashcat


• Hydra


• HackerOne


• Grafana


• Experience conducting security control validation and attack simulation exercises.


• Knowledge of Active Directory security assessments, privilege escalation, lateral movement, and identity attack paths.


• Ability to create executive and technical penetration testing reports.


• Strong stakeholder communication and remediation tracking skills.


• 5 to 8+ hands-on experience in Penetration Testing and Offensive Security.


• Preferred Certificate: OSCP,OSEP,CRTP,CRTO,PNPT,CISSP, AWS Security Specialty

TCS is consistently voted a Top Employer in the UK and globally.

• pension, health care, life assurance, laptop, phone, 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.

Diversity, Inclusion and Wellbeing

Tata Consultancy Services UK&I is committed to meeting the accessibility needs of all individuals in accordance with the UK Equality Act 2010 and the UK Human Rights Act 1998.

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 [e-mail] 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 [e-mail] with the subject line: “Adjustment Request” or call TCS London Office 02031552100 / [phone] to request an adjustment. We welcome requests prior to you completing the application and at any stage of the recruitment process.

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.