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Job Description:
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Leonardo is seeking an experienced Red Team Consultant to join our growing Offensive Security capability. This role is open to both Senior and Principal level Consultants.
Working within a defence-focused environment, you will deliver threat-led security assessments, adversary emulation activities and advanced security testing for customers operating within complex and high-assurance environments. You will emulate realistic cyber threats, assess the effectiveness of security controls and provide actionable recommendations to help customers strengthen their resilience against sophisticated adversaries.
This role offers the opportunity to be more than a delivery consultant. As one of the key technical members of a growing Red Team capability, you will play an important role in shaping how the service develops. Alongside customer engagements, you will contribute to the evolution of our tooling, methodologies, technical approaches and service offerings, helping establish the foundations for a scalable and highly capable Red Team practice.
You will work closely with cyber security specialists across Leonardo, providing technical input into delivery, capability development and innovation activities. The role combines hands-on offensive security work with research, experimentation and continuous improvement, providing opportunities to broaden your expertise while contributing to the growth of the wider team. We are looking for someone who is passionate about offensive security, enjoys solving challenging technical problems and is motivated by the opportunity to help build something for the future. The successful candidate will become an integral part of Leonardo's offensive security capability, helping to influence its direction while delivering meaningful outcomes for our customers.
What you’ll do as Red Team Consultant
Deliver Red Team and Adversary Simulation Activities
- Deliver threat-led security assessments, adversary emulation and red team activities within complex defence and government environments. You will work as part of the Leonardo’s delivery teams to ensure the effectiveness of people, processes and technology against realistic cyber threats, producing clear findings and recommendations that improve customer resilience.
Support Red Team Capability Development
- Contribute to the ongoing development of Leonardo's growing Red Team capability. You will help shape tooling, methodologies, operational processes and best practices, ensuring services continue to evolve in line with emerging threats, customer requirements and industry standards.
Research and Innovation
- Conduct research into emerging threat actor tactics, techniques and procedures (TTPs), offensive security tooling and adversary simulation approaches. Apply this knowledge to continuously improve technical capability and bring new ideas into customer engagements.
Operational Infrastructure and Tooling
- Support the design, provisioning and maintenance of infrastructure used during red team and adversary simulation activities. This includes the deployment and management of security tooling, cloud-based environments and supporting platforms required to conduct operations safely and effectively.
Documentation and Knowledge Sharing
- Produce high-quality technical documentation, reports and operational procedures. Share knowledge across the wider team through mentoring, collaboration and technical discussions to help strengthen Leonardo's offensive security capability.
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Customer and Stakeholder Engagement
- Work closely with customers, project teams and security stakeholders to scope activities, communicate findings and support the successful delivery of engagements. You will contribute technical expertise throughout the engagement lifecycle, from planning through to final reporting and replay activities.
Core Consulting Skills
- Building client relations; adaptability to changing schedules; reliability and quality of task delivery; flexibility in working hours and locations; team player.
What you’ll get:
Professional Development
- As we continue to grow our Offensive Security capability, we are committed to investing in our people. You will have access to dedicated training and professional development opportunities, including support towards industry-recognised certifications, specialised technical training, conferences and research activities.
Capability Growth
- This role provides a unique opportunity to develop both technical and leadership skills. You will work alongside experienced cyber security professionals while helping shape a growing red team service, gaining exposure to capability development, service innovation and technical leadership activities.
Research and Innovation Time
- We encourage continuous learning and provide opportunities to explore new tooling, attacker techniques, research areas and emerging technologies that can be incorporated into customer engagements and future service offerings.
What you’ll bring
We are looking for a motivated and self-driven individual who is passionate about offensive security and enjoys solving complex technical challenges. You will be comfortable working independently, collaborating with customers and colleagues, and contributing to the growth of a developing capability. This role would suit someone who enjoys hands-on red teaming while also wanting to influence how a capability develops and matures over time.
Core areas (must have):
- Experience delivering red team, adversary simulation or advanced penetration testing activities.
- Relevant certifications relating to red teaming.
- Strong technical skills in one or more of the following areas: initial access, cloud exploitation, malware development, detection evasion, operational security, physical security testing or adversary emulation.
- Experience using scripting or development languages such as Python, C#, JavaScript, Go, Rust or similar.
- Ability to contribute technical leadership and provide direction during engagements.
- Strong analytical, communication and reporting skills.
- Willingness to travel to customer sites, generally Bristol and SW.
- Is comfortable with suitable coding languages for OST / Malware development (C, C#, Python, JS, Go, Rust).
- Ability to attain DV clearance and hold sole UK nationality, no sponsorship available for this role.
Desirable
- Experience working within Defence, MOD or other high-assurance environments.
- Understanding of frameworks such as MITRE ATT&CK, CAF or NIST.
- Experience designing or maintaining infrastructure used to support offensive security operations.
- Experience developing tools, automation or bespoke offensive security capabilities.
- Relevant industry certifications such as, RTO RTO2, OSCP, OSEP, OSED, OSCE, CREST CRT/CCT, or equivalent.
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This is not an exhaustive list, and we are keen to hear from you even if you might not have experience in all the above. The most important skill is a good attitude and willingness to learn.
Security Clearance
This role is subject to pre-employment screening in line with the UK Government’s Baseline Personnel Security Standard (BPSS). An additional range of Personnel Security Controls referred to as National Security Vetting (NSV) may apply, this could include meeting the eligibility requirements for The Security Check (SC) or Developed Vetting (DV). For more information and guidance please visit: https://careers.uk.leonardo.com/gb/en/security-and-vetting
Why join us
At Leonardo, our people are at the heart of everything we do. We offer a comprehensive, company-funded benefits package that supports your wellbeing, career development, and work–life balance. Whether you're looking to grow professionally, care for your health, or plan for the future, we’re here to help you thrive.
- Time to Recharge: Enjoy generous leave with the opportunity to accrue up to 12 additional flexi-days each year.
- Secure your Future: Benefit from our award-winning pension scheme with up to 15% employer contribution.
- Your Wellbeing Matters: Free access to mental health support, financial advice, and employee-led networks championing inclusion and diversity (Enable, Pride, Equalise, Armed Forces, Carers, Wellbeing and Ethnicity).
- Rewarding Performance: All employees at management level and below are eligible for our bonus scheme.
- Never Stop Learning: Free access to 4,000+ online courses via Coursera and LinkedIn Learning.
- Refer a friend: Receive a financial reward through our referral programme.
- Tailored Perks: Spend up to £500 annually on flexible benefits including private healthcare, dental, family cover, tech & lifestyle discounts, gym memberships and more.
- Flexible working: Flexible hours with hybrid working options. For part time opportunities, please talk to us about what might be possible for this role.
For a full list of our company benefits please visit our website.
Leonardo UK operates a grade-based salary framework with broad bands. The salary range shown reflects the approved grade band for this role, or a narrower hiring range published within that band, and is benchmarked against the external market. Exceptions above the standard range are managed through governance controls to protect internal equity.
Leonardo is a global leader in Aerospace, Defence, and Security. Headquartered in Italy, we employ over 53,000 people worldwide including 8,500 across 9 sites in the UK. Our employees are not just part of a team—they are key contributors to shaping innovation, advancing technology, and enhancing global safety.
At Leonardo we are committed to building an inclusive, accessible, and welcoming workplace. We believe that a diverse workforce sparks creativity, drives innovation, and leads to better outcomes for our people and our customers. If you have any accessibility requirements to support you during the recruitment process, just let us know.
Be part of something bigger - apply now!
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Primary Location:
GB - Bristol - Coldharbour Lane
Contract Type:
Permanent
Hybrid Working:
Hybrid
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