Penetration Tester

Penetration Tester

London Full-Time 36000 - 60000 £ / year (est.) No home office possible
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At a Glance

  • Tasks: Conduct complex security assessments and penetration testing on various IT systems.
  • Company: Join Integrity360, a top cyber security specialist trusted by over 300 clients across Europe.
  • Benefits: Enjoy opportunities for remote work, professional development, and participation in international events.
  • Why this job: Be part of a skilled team, enhance your expertise, and make a real impact in cyber security.
  • Qualifications: Solid experience in information security and relevant industry certifications required.
  • Other info: Mentorship opportunities and a chance to represent the company at global forums.

The predicted salary is between 36000 - 60000 £ per year.

Job Description

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, Rome, Naples and Cape Town—we support more than 2,500 clients across a wide range of industries.

Over 80% of our team are technical experts, focused on helping clients proactively identify, protect, detect and respond to threats in an ever-evolving cyber landscape. Our security-first approach positions cyber resilience as a business enabler, empowering organisations to operate with confidence.

At Integrity360, people come first. We invest heavily in learning, development and progression, fostering a dynamic culture where innovation, collaboration and continuous growth are at the heart of what we do. If you're ready to take your cyber security career to the next level, we’d love to hear from you.

Job Role / Responsibilities

This position is responsible for performing all forms of complex technical security assessments of clients’ information technology systems (including the Internet, Intranet, Applications, Hosts, Firewalls, Mobile applications etc.) and related policies and procedures. Communication in both written and verbal forms, including training courses, workshops, consultations with clients and formal reports. These assessments are conducted on a by-project basis, ranging between one and three weeks per project, and will occasionally be done at the client site. This role is also required to conduct ongoing research in the IT security arena and regularly assisting in the sales process.

Primary Duties/Responsibilities

  • Perform security reviews of architecture and application designs, as well as application source code reviews
  • Perform mobile, complex application, infrastructure, as well as social engineering assessments and penetration testing
  • Exploit vulnerabilities to gain access, and expand access to remote systems
  • Document technical issues identified during security assessments
  • Assist with building, hardening, and maintaining systems used for penetration testing
  • Research cutting edge security topics and new attack vectors
  • Assist with improvements for Integrity360’s security services, including the continuous enhancement of existing methodology and reporting formats, as well as training collateral
  • Communication of findings/innovations internally, to colleagues
  • Represent Integrity36 at international events, forums or training events
  • Demonstrate the ability to be an industry expert
  • Mentor team members

Desired Skills

  • Solid experience in information security
  • Industry experience working in Dev/Admin/Engineer field
  • Industry experience working in Information security field as a penetration tester
  • Development and/or source code review experience in C/C++, C#, VB.NET, ASP, PHP, Java, Python or Ruby
  • Strong Unix, Windows and networking security skills
  • Familiarity with general application and network security concepts
  • Excellent communication skills
  • Manual penetration testing experience above and beyond running automated tools
  • Experience developing custom scripts or tools used for vulnerability scanning and identification
  • In depth networking knowledge (MPLS, BGP, OSPF, IPv6, TOR)
  • Understanding of development frameworks
  • Broad understanding of hosting /cloud environment
  • Broad understanding of SIEM & Defensive Technologies.
  • Understanding of Security Auditing tools
  • Ethical hacking experience
  • Intrusion prevention experience
  • Report writing experience
  • Presentation skills
  • Scripting/coding, sys admin or networking experience
  • Understanding of programming methodologies
  • Understanding of quality management and project management principles
  • Knowledge of advance cloud architecture

Certifications/Qualifications

  • CHECK Team Leader or equivalent
  • IT related degree or certificate
  • One of the industry leading qualifications (OSCP, CREST, OSCE, OSWP)

Penetration Tester employer: Integrity360

Integrity360 is an exceptional employer, renowned for its commitment to technical excellence and employee development within the dynamic field of cyber security. With a collaborative work culture that encourages innovation and continuous learning, employees benefit from opportunities to engage in cutting-edge projects and mentorship, all while working in a supportive environment across our state-of-the-art Security Operation Centers in Europe. Join us to be part of a team that not only values your expertise but also invests in your professional growth and success.
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Contact Detail:

Integrity360 Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Penetration Tester

✨Tip Number 1

Familiarise yourself with the latest trends in penetration testing and cybersecurity. Follow industry leaders on social media, read relevant blogs, and participate in online forums to stay updated. This knowledge will not only help you during interviews but also demonstrate your passion for the field.

✨Tip Number 2

Network with professionals in the cybersecurity community. Attend local meetups, conferences, or webinars related to penetration testing. Building connections can lead to valuable insights and potential referrals for job openings at Integrity360.

✨Tip Number 3

Consider contributing to open-source security projects or creating your own tools. This hands-on experience showcases your skills and initiative, making you a more attractive candidate. Plus, it gives you something concrete to discuss during interviews.

✨Tip Number 4

Prepare for technical interviews by practising common penetration testing scenarios and challenges. Use platforms like Hack The Box or TryHackMe to sharpen your skills. Being well-prepared will boost your confidence and help you stand out during the interview process.

We think you need these skills to ace Penetration Tester

Penetration Testing
Vulnerability Assessment
Security Architecture Review
Application Source Code Review
Mobile Application Security
Social Engineering Assessments
Exploit Development
Technical Documentation
Research in IT Security
Communication Skills
Mentoring and Training
Custom Scripting for Vulnerability Scanning
Networking Security Skills
Unix and Windows Security
Understanding of Development Frameworks
Knowledge of SIEM Technologies
Ethical Hacking
Intrusion Prevention
Report Writing
Presentation Skills
Cloud Security Knowledge
Quality Management Principles
Project Management Principles
Industry Certifications (OSCP, CREST, OSCE, OSWP)

Some tips for your application 🫡

Understand the Role: Before applying, make sure to thoroughly understand the responsibilities and skills required for the Penetration Tester position at Integrity360. Tailor your application to highlight relevant experience in security assessments, penetration testing, and communication skills.

Highlight Relevant Experience: In your CV and cover letter, emphasise your experience in information security, particularly as a penetration tester. Include specific examples of past projects where you performed security assessments, exploited vulnerabilities, or developed custom scripts.

Showcase Technical Skills: Make sure to list your technical skills clearly, such as programming languages (C/C++, Python, etc.), networking knowledge, and familiarity with security tools. Mention any certifications you hold that are relevant to the role, like OSCP or CREST.

Craft a Strong Cover Letter: Write a compelling cover letter that not only outlines your qualifications but also demonstrates your passion for cybersecurity. Discuss why you want to work at Integrity360 and how you can contribute to their mission of providing top-notch security services.

How to prepare for a job interview at Integrity360

✨Showcase Your Technical Skills

As a Penetration Tester, it's crucial to demonstrate your technical expertise during the interview. Be prepared to discuss your experience with various programming languages and security tools, as well as any specific projects you've worked on that highlight your skills in vulnerability assessment and exploitation.

✨Communicate Clearly

Excellent communication skills are essential for this role. Practice explaining complex technical concepts in simple terms, as you may need to present findings to clients or team members who aren't as technically savvy. Consider preparing a few examples of how you've effectively communicated your findings in the past.

✨Stay Updated on Security Trends

The field of cyber security is constantly evolving, so it's important to stay informed about the latest trends and attack vectors. Research recent security breaches or innovations in the industry and be ready to discuss how they might impact the work you'll be doing at Integrity360.

✨Prepare for Practical Assessments

You may be asked to perform practical assessments or solve problems during the interview. Brush up on your manual penetration testing skills and be ready to demonstrate your ability to identify vulnerabilities and suggest remediation strategies. Practising with real-world scenarios can help you feel more confident.

Penetration Tester
Integrity360
Location: London
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