BDO Digital Senior Penetration Tester

BDO UK; London; On-site; GBP 60,000 - 90,000; Full time

Job summary

BDO UK is seeking a Senior Penetration Tester to join their dynamic Digital & Risk Advisory Services team in London. This role involves conducting sophisticated penetration tests and enhancing client security postures. Ideal candidates will hold advanced certifications and have a strong background in cybersecurity and client engagement, contributing to the success of entrepreneurial organizations and managing business risks effectively.

Benefits

Agile working opportunities

Career development programs

Exceptional client service culture

State-of-the-art collaboration spaces

Qualifications

• Minimum of 3 years experience in penetration testing.
• Advanced certifications such as OSCP or CRT required.
• Proven track record of high-impact client engagements.

Responsibilities

• Conduct sophisticated penetration testing and red team engagements.
• Identify vulnerabilities and enhance client security postures.
• Develop cutting-edge penetration testing methodologies.

Skills

Penetration Testing

Cybersecurity

Network Protocols

Hacking Techniques

Education

OSCP Certification

CREST Registered Tester

Tools

Metasploit

Burp Suite

Nessus

CobaltStrike

Job description

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Client:

BDO UK

Location:

London, United Kingdom

Job Category:

Other

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EU work permit required:

Yes

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Job Reference:

658cc5583c54

Job Views:

5

Posted:

02.06.2025

Expiry Date:

17.07.2025

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Job Description:

Ideas | People | Trust

We’re BDO, an accountancy and business advisory firm providing the advice and solutions entrepreneurial organizations need to navigate today’s changing world.

We work with Britain’s economic engine—ambitious, high-growth businesses—and advise their owners and management teams.

We’ll broaden your horizons

Manage risk for our clients to make them stronger for the future.

Our Digital & Risk Advisory Services (DRAS) enable organizations to leverage innovative methodologies and technology. Working at BDO offers exposure to business strategy, operations, and more.

Our team includes internal auditors, accountants, technology, and business transformation experts across various disciplines.

We focus on providing tailored advisory services, helping clients manage threats like cyber events, and building resilient businesses. Innovation and agility are central to our approach.

This is your chance to join a fast-growing team and help shape the future of DRAS at BDO.

We’ll help you succeed

Our advice is trusted because of our understanding of clients’ businesses, built through close collaboration and long-term relationships.

You should be proactive, able to manage your tasks independently, and confident in collaborating with senior staff to help businesses. You’ll also identify opportunities to improve our services.

We are seeking a highly skilled Senior Penetration Tester to conduct penetration testing and red team engagements, identify vulnerabilities, and develop testing methodologies. You will work with clients across various industries and stay updated on threat landscapes and best practices.

Requirements:

• Advanced certification in penetration testing (e.g., OSCP, CREST CRT, or equivalent)
• At least 3 years of experience in cybersecurity and penetration testing
• Proven success in client engagements
• Strong knowledge of network protocols, operating systems, and hacking techniques
• Proficiency in tools like Metasploit, Burp Suite, Nessus, CobaltStrike

We value your individuality and contributions. We support flexible working arrangements and career development.

We’re in it together

Mutual support and respect are core values. We offer mentoring, coaching, and collaborative spaces to foster learning and teamwork.

We’re committed to helping entrepreneurial businesses succeed and investing in our people’s growth. Our global reach, integrity, and expertise help shape our future, empowering our team to innovate and improve continually.