Junior Penetration Tester

Dublin, Dublin, Ireland

Integrity360

Integrity360 are the fastest growing cyber security specialists in Europe. Learn more about how we can help your organisation grow securely.

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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)

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* Salary range is an estimate based on our InfoSec / Cybersecurity Salary Index 💰

Job stats:  6  2  0
Category: PenTesting Jobs

Tags: Bash Burp Suite C Compliance CREST DNS Ethical hacking Firewalls Incident response Java Linux Nmap OSCE OSCP OSWP OWASP Pentesting Python Scripting Security assessment TCP/IP Vulnerabilities Windows

Perks/benefits: Career development

Region: Europe
Country: Ireland

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