AI Business Development Director

Anson McCade Pty; London; Hybrid; GBP 70,000 - 105,000; Full time

Job summary

A global innovation consultancy is hiring a Penetration Tester (Infrastructure Focus) in London to join a high-trust team. The role entails deep technical testing within complex environments, focusing on Active Directory and sensitive systems. Candidates should have significant experience in infrastructure testing and possess a solid command of client communication and reporting. This position offers a hybrid work model and the opportunity to influence tooling and delivery in critical sectors.

Qualifications

• 4+ years of hands-on experience in infrastructure penetration testing.
• High command-line fluency (Windows & Linux).
• Experience in live infrastructure environments.

Responsibilities

• Deliver internal infrastructure tests in high-risk environments.
• Produce clear, actionable reports for stakeholders.
• Contribute to improving internal tooling and methodologies.

Skills

AD exploitation

Lateral movement

Privilege escalation

Client communication

Reporting skills

Education

Certifications like CREST CTM/CTL/CSTM, Cyber Scheme Practitioner, or OSCP

Tools

Python

Job description

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Base pay range

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Work Type & Location: Hybrid – London preferred (other UK cities possible) ️

Salary: £70,000–£105,000 (London) depending on experience

Other regional packages available for Cambridge, Manchester, Bristol, or Edinburgh

Our client – a global innovation consultancy – is expanding its Digital & Data capability and is on the lookout for an experienced Penetration Tester (Infrastructure Focus) to join a high-trust, hands-on team. This role is all about deep technical work inside live infrastructure environments – think Active Directory, internal networks, and sensitive systems where precision matters.

If you’re the kind of tester who thrives in complex, undocumented environments and enjoys real-world impact over checkbox testing, this is the challenge for you.

As a Penetration Tester (Infrastructure Focus), you will:

• Deliver internal infrastructure tests in high-risk, high-impact environments
• Focus on Active Directory, lateral movement, and privilege escalation techniques
• Communicate directly with clients to present findings and advise on remediation
• Produce clear, actionable reports for both technical and non-technical stakeholders
• Contribute to improving internal tooling and methodologies
• Work with autonomy and initiative – this is a consulting-facing role requiring independence

What you bring:

• 4+ years of hands-on experience in infrastructure penetration testing
• Strong expertise in AD exploitation, lateral movement, and privilege escalation
• Confident working in live production and legacy environments
• High command-line fluency (Windows & Linux)
• Strong client communication and reporting skills

It’d be great if you also have:

• Python scripting skills for tooling or automation
• Experience or awareness of Operational Technology (OT) environments
• Familiarity with internal exploitation tools and techniques
• Certifications like CREST CTM/CTL/CSTM, Cyber Scheme Practitioner, or OSCP (lapsed certs accepted if skills are current)

What to expect:

• A small, high-trust team (2–3 testers) operating with autonomy and technical depth
• Hybrid work model (typically remote 80% of the time), with 2 days/week on-site or at client locations
• Meaningful projects in defence, critical infrastructure, and high-security sectors
• Real responsibility and room to influence tooling, process, and delivery
• A hands-on technical interview including an AD lab simulation and live debrief
• London preferred, but open to candidates UK-wide based on flexibility
• Must be SC clearable (current SC clearance is a strong advantage)

Other regional packages available for Cambridge, Manchester, Bristol, or Edinburgh

Apply now to become a Penetration Tester (Infrastructure Focus) and help secure the systems that matter most.

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Full-time

Job function

• Job function

  Information Technology and Engineering

• Industries

  IT Services and IT Consulting, Computer and Network Security, and Business Consulting and Services

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