Advanced Intrusion Testing Lead

Lloyds Bank plc; Greater Manchester; Hybrid; GBP 93,000 - 139,000; Full time

Benefits offered by this job

Generous pension contributions

Annual bonus

Share schemes

Job summary

Lloyds Banking Group seeks an Advanced Intrusion Testing Lead to steer the Adversary Emulation capability across the Group. You will report to the Offensive Security Lead, owning strategy, delivery and technical excellence for Red Teaming and Purple Teaming initiatives.

You will lead a high-performing team of operators, shape the AIT roadmap, and deliver real-world assessments that drive cyber resilience at enterprise scale.

Qualifications

• Senior security leadership in adversary emulation and red team/purple team exercises.
• Experience planning and delivering intelligence-led attack simulations.
• Strong understanding of attacker TTPs and offensive security tooling.
• Ability to conduct targeted, covert tests and post-exploitation activities.

Responsibilities

• Shape testing strategy and guide execution of Red Team and Purple Team operations.
• Lead, mentor and develop a high-performing team of specialists.
• Define and drive the AIT roadmap aligned to CSO and Group security objectives.
• Communicate security risks and testing outcomes to technical and executive audiences.
• Translate findings into measurable risk reductions and prioritised remediation.

Skills

Red Team leadership

Purple Team leadership

Adversary emulation

Threat-led testing

Offensive security tooling

C2 frameworks

Malware evasion

Stakeholder management

Team mentorship

Education

Degree in Cyber Security or related field

Offensive security certifications (CREST, CRTO, GIAC, OSCP/OSCE)

Tools

C#

C++

Python

Java

Bash

Rust

Job description

End Date

Saturday 12 September 2026

Salary Range

£92,701 - £109,060

Flexible Working Options

Hybrid Working, Job Share

Job Description Summary

ABOUT THIS OPPORTUNITY

This is a pivotal moment to join Lloyds Banking Group and the Chief Security Office as we transform how security is delivered across the Group.

We're looking for an experienced and highly capable Advanced Intrusion Testing (AIT) Lead to lead and evolve our Adversary Emulation capability. Reporting to the Offensive Security Lead, you'll be accountable for the strategic direction, operational delivery and technical excellence of the team.

This role combines deep offensive security expertise with inspirational leadership. You'll lead a team of highly skilled operators, and shape the roadmap for adversary emulation to deliver Red Teaming and Purple Teaming exercises across the Group.

If you're passionate about offensive security, enjoy developing high-performing teams, and want to influence cyber resilience at enterprise scale, we'd love to hear from you.

Job Description

JOB TITLE

Advanced Intrusion Testing Lead

SALARY

Outside London: £92, 701 - £119,966

London: £107,304 - £138,864

LOCATION

Manchester, Bristol, Edinburgh or London

WORKING PATTERN

Our work style is hybrid, which involves spending at least two days per week, or 40% of our time, at one of our office locations above.

About this Opportunity

ABOUT THIS OPPORTUNITY

This is a pivotal moment to join Lloyds Banking Group and the Chief Security Office as we transform how security is delivered across the Group.

We're looking for an experienced and highly capable Advanced Intrusion Testing (AIT) Lead to lead and evolve our Adversary Emulation capability. Reporting to the Offensive Security Lead, you'll be accountable for the strategic direction, operational delivery and technical excellence of the team.

This role combines deep offensive security expertise with inspirational leadership. You'll lead a team of highly skilled operators, and shape the roadmap for adversary emulation to deliver Red Teaming and Purple Teaming exercises across the Group.

If you're passionate about offensive security, enjoy developing high-performing teams, and want to influence cyber resilience at enterprise scale, we'd love to hear from you.

What You'll Be Doing

• Draw on extensive hands-on adversary emulation experience to shape testing strategy, guide the execution of sophisticated Red Team and Purple Team operations, and ensure the delivery of realistic, threat-led assessments that provide impactful insights into the Group's cyber resilience.
• Lead, mentor and develop a high-performing team of Red Team and Purple Team specialists, fostering a culture of technical excellence, continuous improvement, innovation and knowledge sharing.
• Define and carry out the AIT roadmap, ensuring alignment to CSO and wider Group security objectives.
• Build strong relationships with stakeholders across the Chief Security Office and wider organisation, communicating security risks, testing outcomes and strategic recommendations to audiences ranging from technical practitioners to executives.
• Drive security improvement by translating testing outputs into measurable risk reduction, partnering with collaborators to prioritise and remediate findings at pace.

What You'll Need

• Extensive experience leading Red Team, Purple Team and adversary emulation functions within a large and complex organisation.
• Demonstrable expertise in planning and delivering sophisticated intelligence-led attack simulations.
• Strong understanding of adversary tactics, techniques and procedures, threat-led testing methodologies and offensive security tooling, including C2 frameworks, malware and evasion techniques.
• Ability to conduct targeted, covert tests including identifying vulnerabilities, exploiting them, and performing post-exploitation activities, without needing to rely heavily on tools.
• Experience building, developing and leading high-performing technical teams.
• Excellent stakeholder management skills, with the ability to communicate effectively with technical and non-technical audiences, including senior leadership.
• Passion for cyber security research, continuous learning and advancing offensive security practices

Preferred Qualifications

• Recognised offensive security certifications such as CREST, CRTO, GIAC, OSCP, OSCE or equivalent.
• Software development, automation or engineering experience in any low level or high-level language (C#, C++, C, Python, Bash Scripting, Java, Rust, etc.).
• Experience within financial services or other highly regulated environments.
• Degree or postgraduate qualification in Cyber Security, Computer Science, or a related field, or equivalent experience.
• Familiarity with AI-enabled security testing, attack simulation frameworks and modern security engineering practices.

Why join us?

We're transforming at pace. Investing billions in our people, data and tech to change the way we meet the needs of our 28 million customers. We're growing, and we'd love you to be part of the journey.

This is a place for you

Our ambition is to be the leading UK business for diversity, equity and inclusion supporting our customers, colleagues and communities, and we're committed to creating an environment in which everyone can thrive, learn and develop.

We also offer a wide-ranging benefits package, which includes

• A generous pension contribution of up to 15%
• An annual performance-related bonus
• Share schemes including free shares
• Benefits you can adapt to your lifestyle, such as discounted shopping
• 30 days' holiday, with bank holidays on top
• A range of wellbeing initiatives and generous parental leave policies

At Lloyds Banking Group, we're driven by a clear purpose; to help Britain prosper. Across the Group, our colleagues are focused on making a difference to customers, businesses and communities. With us you'll have a key role to play in shaping the financial services of the future, whilst the scale and reach of our Group means you'll have many opportunities to learn, grow and develop.

We keep your data safe. So, we'll only ever ask you to provide confidential or sensitive information once you have formally been invited along to an interview or accepted a verbal offer to join us which is when we run our background checks. We'll always explain what we need and why, with any request coming from a trusted Lloyds Banking Group person.

We're focused on creating a values-led culture and are committed to building a workforce which reflects the diversity of the customers and communities we serve. Together we're building a truly inclusive workplace where all of our colleagues have the opportunity to make a real difference.