Junior Penetration Tester

4 weeks ago


Dublin, Ireland Integrity360 Full time

About Us

Integrity360 is one of Europe's leading cyber security specialists operating from office locations spread out across Europe, providing a comprehensive range of professional, support and managed cyber security services for our 300+ clients. With four top-class Security Operation Centers, we offer a complete end-to-end security services covering our clients' security from every angle. Our services include Managed Security, Cyber Security Testing, Incident Response, Security Integration, PCI Compliance and Cyber Risk & Assurance services.

What sets Integrity360 apart is our excellent team of people that drive the business forward. The company was founded with a focus on technical expertise and that philosophy remains today. The skills and experience in our company are some of the greatest in the industry and clients remain with Integrity360 because they can rely on and trust us to go above and beyond to ensure their needs are met. Listed multiple times on Gartner Market Guides for Managed Security Services.

Job Role / Responsibilities

We are looking for a Junior Security Consultant with a strong interest in cybersecurity and a passion for learning. In this role, you will assist with a variety of technical security assessments of clients' IT systems under the guidance of senior consultants. You will contribute to projects involving web applications, networks, and mobile platforms, and help document findings and recommendations. This is a hands-on learning opportunity with mentorship and exposure to industry tools, techniques, and methodologies. Projects typically last one to three weeks and may occasionally involve travel to client sites.

Primary Duties/Responsibilities include:

Support security assessments of applications, systems, and networks
Perform penetration testing and vulnerability assessments under supervision and assist Senior Penetration testers.
Contribute to documentation and reporting of technical findings
Participate in research tasks and keep up to date with current security trends
Help prepare client presentations and internal knowledge sharing sessions
Contribute to internal tools, scripts, or lab environments

Required Skills / Experience
Some hands-on experience with IT systems, either through education, labs, internships, or personal projects
Basic understanding of security concepts (e.g., OWASP Top 10, common vulnerabilities)
Familiarity with Windows and/or Linux environments
Exposure to at least one programming or scripting language (e.g., Python, Java, C#, Bash)
Strong interest in ethical hacking, security testing, or penetration testing
Willingness to learn and work in a collaborative team environment
Good communication and writing skills

Nice-to-Have

Participation in CTFs, bug bounty programs, or lab-based learning (e.g., TryHackMe, Hack The Box)
Understanding of basic networking concepts (TCP/IP, DNS, Firewalls)
Exposure to tools like Burp Suite, Nmap, or Wireshark
Coursework or certification in cybersecurity-related topics

Personal Specification
Strong desire to learn and grow in the cybersecurity field
Curiosity about how systems work (and how they can break)
Problem-solver with attention to detail
Willingness to travel occasionally
Adaptable and self-motivated

Certifications/Qualifications
One of the industry-leading qualifications (OSCP, CyberScheme, CREST, OSCE, OSWP)

#LI-YL1
#J-18808-Ljbffr


  • Penetration Tester

    3 weeks ago


    Dublin, Ireland Integrity360 Full time

    About UsIntegrity360 is the largest independent cyber security provider in Europe, with a growing international presence spanning the UK, Ireland, mainland Europe, Africa and the Caribbean.With over 700 employees, across 12 locations, and six Security Operations Centres (SOCs)—including locations in Dublin, Sofia, Stockholm, Madrid, Naples and Cape...


  • Dublin, Ireland Cpl Healthcare Full time

    Senior Penetration Tester – Financial Services IndustryA leading global financial services organisation is expanding its Cyber Security function and seeking an experiencedSenior Penetration Testerto join their dedicated offensive security team.This is a hands-on technical role working within a mature, collaborative, and research-driven environment focused...


  • Dublin Pike, Ireland nineDots.io Full time

    Overview An experienced penetration tester is required to focus on advanced web and mobile application testing. The role involves leading test efforts, replicating real-world attack techniques, developing targeted exploits, and delivering clear, actionable findings to technical and business teams. Key Responsibilities Perform in-depth penetration testing...


  • Dublin, Ireland Integrity360 Full time

    About Us Integrity360 is the largest independent cyber security provider in Europe, with a growing international presence spanning the UK, Ireland, mainland Europe, Africa and the Caribbean. With over 700 employees, across 12 locations, and six Security Operations Centres (SOCs)—including locations in Dublin, Sofia, Stockholm, Madrid, Naples and Cape...


  • Dublin, Ireland CPL Full time

    Senior Penetration Tester – Financial Services Industry A leading global financial services organisation is expanding its Cyber Security function and seeking an experienced Senior Penetration Tester to join their dedicated offensive security team. This is a hands-on technical role working within a mature, collaborative, and research-driven environment...


  • Dublin, Ireland Cpl Resources - Technology Full time

    Senior Penetration Tester Financial Services Industry A leading global financial services organisation is expanding its Cyber Security function and seeking an experienced Senior Penetration Tester to join their dedicated offensive security team. This is a hands-on technical role working within a mature, collaborative, and research-driven environment focused...


  • Dublin, Ireland Options for Senior America PA Full time

    Cyber Security Senior Consultant - Penetration Tester Basic Information Location: Dublin Business Area: Consulting Description and Requirements - Are you looking for an opportunity to work on high-profile transformation projects in Cyber Security and in particular Cyber Defence / Penetration Testing? - Do you thrive in a high-volume, fast-paced,...


  • Dublin, Ireland Soteria Reinsurance Ltd. Full time

    **Location: Dublin, Ireland**Serving as a role model for others across the Enterprise and wider industry.And driving advancement and research in the cybersecurity space.Fidelity has a large and diverse portfolio of products.This provides a varied and interesting role giving the team the opportunity to work on a multitude of different areas of the...


  • Dublin, Ireland Soteria Reinsurance Ltd. Full time

    **Location: Dublin, Ireland**Serving as a role model for others across the Enterprise and wider industry. And driving advancement and research in the cybersecurity space. Fidelity has a large and diverse portfolio of products. This provides a varied and interesting role giving the team the opportunity to work on a multitude of different areas of the...


  • Dublin, Ireland FlyLock Security Solutions - Daly City Full time

    Cyber Security Manager – Penetration Testing Basic Information Location: Dublin Business Area: Consulting Description and Requirements Are you looking for an opportunity to work on high-profile transformation projects in Cyber Security and in particular Cyber Defence / Penetration Testing? Do you thrive in a high-volume, fast-paced, high-performing...