Ethical Hacker - Junior Consultant

Mazars UK LLP - formerly CompetitionRx Ltd; London; On-site; GBP 30,000 - 45,000; Full time

Job summary

A leading global professional services network seeks a Junior Penetration Tester to join their Attack & Defence team. This role offers hands-on experience in security assessments and red team projects, ideal for those passionate about offensive security. You will work alongside experienced testers, develop reports, and engage with clients, all while growing your skills in a fast-paced environment.

Qualifications

• Demonstrated passion for cybersecurity and hacking.
• Knowledge of OWASP Top 10 and common vulnerabilities.
• Excellent verbal and written communication skills.

Responsibilities

• Deliver web application, infrastructure, mobile, and cloud assessments.
• Research vulnerabilities and attack techniques.
• Engage with clients to communicate findings and support remediation.

Skills

Cybersecurity

Hacking

Communication

Scripting

Education

Degree in Cyber security

Degree in Computer Science

Tools

Burp Suite

Nmap

Metasploit

Nessus

Kali Linux

Job description

Forvis Mazars cares about your career progression, offering individually designed career paths that help you pursue your interests, match your changing needs, and explore your true potential. We work with diverse, prestigious clients across a range of sectors and geographies, giving you the opportunity to constantly update and grow your skills for lifelong professional development.

Job Purpose

We are looking for an enthusiastic and curious Junior Penetration Tester to join our Attack & Defence team. You will work alongside experienced testers on a variety of security assessments and red team projects, gaining exposure to real-world hacking scenarios. This is a hands-on, growth-focused opportunity ideal for someone with a genuine passion for offensive security and a desire to become a world-class ethical hacker.

Role & Responsibilities

1. Deliver web application, infrastructure, mobile, and cloud assessments across multiple sectors.
2. Learn and support red team and adversary simulation exercises under supervision.
3. Develop comprehensive and accurate reports and presentations for both technical and executive audiences.
4. Research vulnerabilities and attack techniques to contribute to internal tooling and methodology development.
5. Participate in knowledge sharing, team training, and capture-the-flag activities.
6. Engage with clients during and post-engagement to communicate findings and support remediation.

Skills, Knowledge & Experience

1. Demonstrated passion for cybersecurity and hacking (CTFs, personal labs, blogs, GitHub, etc.).
2. Knowledge of OWASP Top 10, common vulnerabilities, and basic exploit techniques.
3. Exposure to tools like Burp Suite, Nmap, Metasploit, Nessus, or Kali Linux.
4. Some experience in scripting (e.g., Python, Bash, PowerShell) is a bonus.
5. Understanding of network protocols and web application architecture.
6. Excellent verbal and written communication skills.
7. Willingness to learn and contribute in a fast-paced, team-oriented environment.

Preferred Qualifications

1. Certifications such as CSTM / CRT, OSCP, Burp Suite Certified Practitioner (BSCP), CPTS.
2. Degree in Cyber security, Computer Science, or a related technical field (or equivalent experience).
3. Exposure to cloud environments (Azure, AWS) and coding experience is a plus.

About Forvis Mazars

Forvis Mazars is a leading global professional services network. The network operates under a single brand worldwide, with just two members: Forvis Mazars LLP in the United States and Forvis Mazars Group SC, an internationally integrated partnership operating in over 100 countries and territories.

Both member firms share a commitment to providing an unmatched client experience, delivering audit & assurance, tax and advisory services around the world. Together, our strategic vision strives to move our clients, people, industry and communities forward. Through our reach and areas of expertise, we help organisations respond to emerging sustainability issues in the global marketplace including human rights, climate change, environmental impacts and culture.

We are one diverse, multicultural, multi-generational team with a huge sense of connection and belonging. This is a place where you can take ownership of your career, get involved, believe in yourself and put your ideas into action.

At Forvis Mazars, we empower our people and celebrate individuality. We thrive on teamwork and are agile. We have bold foresight and give people the freedom to make a personal contribution to our shared purpose. We support one another to deliver quality, create change and have a deeper understanding, to help make an impact so that everyone can reach their full potential.

Being inclusive is core to our culture at Forvis Mazars; we want to ensure everyone, whether in the recruitment process or beyond is fully supported to be their unique self. To read more about our approach click here.

Our aim is to make the recruitment process as accessible and inclusive as possible - please contact us to discuss any changes you may require so we can work with you to support you throughout your application.

Visit forvismazars.com/uk to learn more.