1 to 25 of 68 Offensive Security Jobs in the UK

intelligence, and commercial applications. We are trusted by our customers to protect their mission-critical information in the face of advanced persistent threats. Our offensive security engineers emulate these real-world threats and provide critical signal on attack vectors to help improve our security posture. This role … will be hands-on and requires a deep understanding of micro-service architecture, multi-tenancy vulnerabilities, cloud security, and web application security. In this role you'll dive deep into the security of our products and more: Conduct security assessments. You'll learn how our products work … then try to break them. This includes everything in our current and future product and service portfolio from Apollo to Foundry. You'll document security findings and work with AppSec and product engineers to develop mitigations. Build offensive testing tooling and automation. Scale offensive security testing More ❯

another. As part of One team, One Kroll, you'll contribute to a supportive and collaborative work environment that empowers you to excel. Our Offensive Security professionals are on a mission to make the world a safer place, one company at a time. We believe that our work … to help our clients discover and remediate their unique security risks makes every one of us safer. Our clients trust us to use cutting-edge offensive security tools, creativity, imagination, and expert knowledge to find cybersecurity risks in their networks, systems, and software. We're looking to … grow our team of penetration testers in the UK. We test web and mobile applications, computer networks, cloud infrastructure, hardware devices, security awareness through social engineering, organizations through red and purple team exercises, and more. At Kroll, your work will help deliver clarity to our clients' most complex governance More ❯

Birmingham, United Kingdom Principal Consultant - Cyber Security We are searching for an experienced Principal Consultant - Cyber Security. Make an Impact at RSM UK Consulting brings together multiple teams across Transactions, Risk & Consulting, ABA, and Outsourcing to provide client-centric solutions for RSM's current and future clients within the … service and identification of further work opportunities. The role will involve managing the delivery of agreed work activities with a primary focus on technical security including offensive security services. You'll benefit from ongoing coaching, career mentoring, and be supported by our career pathway. You will have … to develop market-leading skills across our different capabilities and advance your professional development. You will make an impact by: Planning and delivering cyber security engagements, from scoping through to delivery, debriefs, and report writing. Contributing towards the development of exciting new market-facing offensive security cyber More ❯

Principal Offensive Security Consultant 📍 UK-Based | 🌍 Some International Travel | 🛡 Security Clearance Required Green is hiring a Principal Consultant to launch and lead our Clients' Offensive Security capability. This is a rare opportunity to shape a new service offering within a fast-growing, agile cyber consultancy … working with UK and international clients. You’ll join a high-performing Threat Operations team, delivering advanced offensive security services—penetration testing, phishing simulations, code reviews—and play a key role in shaping how they support their clients' evolving needs. 🔍 What You’ll Do Lead the creation and … delivery of our clients' offensive security services Perform penetration testing, code reviews, phishing simulations, and assessments Travel internationally to support partner nations with cyber capability development Design and deliver bespoke training and mentoring packages Collaborate across the Threat Operations team to share insights and strengthen their cyber intelligence More ❯

Role: Offensive Security Specialist Type: Permanent Location: Remote (UK) Clearance: Eligible for SC Interested in getting away from the grind of endless similar penetration tests? Keen to stretch yourself into a more managerial role over time, building up a capability around you? We are working with a leading … security services provider who are in the process of standing up their Offensive Security capability. The work will be focused on providing services such as Web App testing, Infrastructure testing and Code Review services to clients whilst also looking at how to develop that side of the … something a bit different from either just doing technical tests forever or moving away from the keyboard fully. Key Responsibilities: •Work to develop the Offensive Security capability for the organisation into a market leading function •Customer engagement, through the scoping process, tool selection and overall delivery •Run and More ❯

from Office (WFO) role. This role will focus on creating a business strategy, gap analysis and implementation, for securing their Azure-based infrastructure, integrating security automation, ensuring PCI DSS compliance, vulnerability and penetration testing and incident response. This role will focus on developing and maintaining secure, scalable Azure DevOps … pipelines and Infrastructure as Code (IaC) using Terraform. Their ideal candidate will have a strong background in cloud security best practices, automation, and a proactive approach to integrating security across their software delivery lifecycle. A key part of this position will also involve mentoring an internal engineer, developing … structured security policies, and managing Sentinel, Defender and SOAR solutions for automated threat response. Additionally, the role requires liaising with third-party support partners to coordinate security solutions, manage incidents, and enhance overall cybersecurity posture. Responsibilities Infrastructure Security: Architect and secure Azure-based infrastructure using Terraform, ensuring More ❯

Principal Security Engineer, AWS Security Job ID: Amazon Web Services Australia Pty Ltd This position can also be based in Sydney, Australia. We are looking for an experienced Principal Security Engineer to join the Security team in Australia. You will be on a team responsible for … conducting both pre and post launch testing, offensive campaigns, emergent threat testing, creating/maintaining automated threat emulation solutions, and helping security and service teams add offensive insight to their development, deployment, monitoring, and response processes. This team partners with the larger Security organization and Service … teams to continuously validate security throughout the service/system lifecycle. You will be an expert across multiple domains such as cyber security; threat, vulnerability and risk assessments (TVRA), security tools (e.g. Splunk, Crowstrike, etc.), application of security frameworks (e.g. ISM, NIST, etc.) and/or More ❯

SOFTWARE APPLICATION SECURITY ENGINEER £90,000 + 15% Bonus + Excellent Staff Benefits including Strong Pension, Life Assurance Hybrid Working ( 2 Days per Week Onsite ) An interesting opportunity has presented itself within one of the UKs largest Independent Software Based Organisations who are one of a major driving forces … behind Innovative Development of Enterprise-Led Internet Technology. They are now looking for an Application Security Engineer to join their existing & high performing In - House Security Team of 35 Staff including SOC & Cyber Analysts through to Experienced Cyber Security Engineers & Security Architects. As an AppSec Engineer … you will focus on the technical side of IT Security, specifically looking at Application Security & Code Analysis, ensuring their Applications are Built Securely. The Information & Cyber Security Team deal with the Security of Closed-Sourced, Open-Source & In-House Developed Applications ensuring that All Systems & Services More ❯

Bitcoin Offensive Security Engineer - 100% Remote, Blockchain, DeFi About Halborn Inc Our mission is to provide value-add security services and products to the world's most cutting edge technology firms and that starts with blockchain tech. Founded in 2019, Halborn is an elite cyber security … growth trajectories. Our Culture Halborn is a globally distributed team of 100+, looking to grow our elite team of white hat hackers, sales professionals, security engineers and DevSecOps specialists who value independence, want to make their own hours, work for themselves and have a passion for the ever evolving … agreement with Halborn Inc. Responsibilities Conduct realistic adversary simulations from conception through reporting. Perform testing on systems, applications, networks, and processes. Research cutting-edge offensive security techniques. Develop tools and exploits. Communicate clearly and effectively, both written and orally, regarding risks and required remediations. Work collaboratively and independently More ❯

Solana) Offensive Security Engineer - 100% Remote, Blockchain, DeFi About Halborn Inc Our mission is to provide value-add security services and products to the world's most cutting edge technology firms and that starts with blockchain tech. Founded in 2019, Halborn is an elite cyber security … growth trajectories. Our Culture Halborn is a globally distributed team of 100+, looking to grow our elite team of white hat hackers, sales professionals, security engineers and DevSecOps specialists who value independence, want to make their own hours, work for themselves and have a passion for the ever evolving … agreement with Halborn Inc. Responsibilities Conduct realistic adversary simulations from conception through reporting. Perform testing of systems, applications, networks, and processes. Research cutting-edge offensive security techniques. Develop tools and exploits. Communicate clearly and effectively, both written and orally, the risks that exist and remediations required. Work collaboratively More ❯

their strategic goals and empower our people to make an impact and develop their own unique career path. We are seeking an enthusiastic Cyber Security Consultant to join our team. Working alongside our experienced team of specialists, you'll be delivering offensive security services including digital footprint … reconnaissance, social engineering, penetration testing and vulnerability assessments to high profile clients across all industries. The purpose of this role is to deliver our offensive security services including digital footprint reconnaissance, social engineering, vulnerability assessments, penetration testing, threat modelling, cyber-attack simulation exercises, and more to high profile … role is perfect for you! We value diverse experiences and perspectives. Here's what we're looking for in our ideal candidate: Experience in offensive security and penetration testing. Demonstrable experience in infrastructure and web application testing; experience in API testing is desirable. Demonstrable experience using common pentesting More ❯

Sr. Security Engineer, Application Security In Amazon Stores, we ship some of the widest arrays of technology found at any company. From to world-class machine learning pipelines, from cutting-edge digital healthcare to no-checkout retail, we push the boundaries of technology in every direction using the … ensure we keep our customers safe while developing these novel services. In a given day, you might be inspecting an application's code for security issues, building a new framework to help our software developers build faster and more securely, or fine-tuning the design for a new service … software developers. The ideal candidate combines technical acumen with an ability to lead by influence and communicate clearly. Technically, this person will be a security generalist with one or more areas of deep expertise. In their communication, they will clearly articulate risks to technical and non-technical audiences alike. More ❯

Principal Security Engineer, AWS Security Job ID: Amazon Web Services Australia Pty Ltd This position can also be based in Sydney, Australia. We are looking for an experienced Principal Security Engineer to join the Security team in Australia. You will be on a team responsible for … conducting both pre and post launch testing, offensive campaigns, emergent threat testing, creating/maintaining automated threat emulation solutions, and helping security and service teams add offensive insight to their development, deployment, monitoring, and response processes. This team partners with the larger Security organization and Service … teams to continuously validate security throughout the service/system lifecycle. You will be an expert across multiple domains such as cyber security; threat, vulnerability and risk assessments (TVRA), security tools (e.g. Splunk, Crowstrike, etc.), application of security frameworks (e.g. ISM, NIST, etc.) and/or More ❯

Sr. Security Engineer, AppSec - Amazon Stores Security Job ID: Amazon Development Centre (London) Limited At Amazon, security is central to maintaining customer trust and delivering delightful customer experiences. Our organization is responsible for creating and maintaining a high bar for security across all of Amazon's … products and services. We offer talented security professionals the chance to accelerate their careers with opportunities to build experience in a wide variety of areas including cloud, devices, retail, entertainment, healthcare, operations, and physical stores. In Amazon Stores, we ship some of the widest arrays of technology found at … healthcare to no-checkout retail, we push the boundaries of technology in every direction using the globe's largest AWS deployment. As a Senior Security Engineer, you will collaborate with software development teams to ensure we keep our customers safe while developing these novel services. In a given day More ❯

Control Risks is seeking an experienced, technical cyber security Consultant to join its rapidly growing Digital Risks team. This is a unique opportunity that requires a motivated and diligent client-facing individual to join a highly successful team. The successful candidate will help deliver Control Risks' cyber security risk assessment engagements primarily across the EMEA region and act as a subject matter expert on cyber security technical solution development. The candidate will also need to demonstrate experience and expertise in designing cyber security architecture and implementation of technical security controls. The candidate will also … need to be a team-player who is passionate about delivering high quality cyber security advice to some of the world's largest organisations. Located in London, the successful candidate will be able to travel up to 20% of working time. Travel will primarily be in Europe but may More ❯

We are watchTowr, a VC-backed cyber security startup helping organisations continuously discover vulnerabilities in their Internet-facing attack surface. Cyber security veterans and technical experts, we are obsessed with building cybersecurity technology to help prevent breaches. With experience informed by years of simulating sophisticated cyber attacks against … high and aggressive growth phase of our journey and are excited to continue adding colleagues to join our phorce of nature. Our vision for offensive security is continuous. But what's the role? We are seeking an ambitious Information Security Engineer to join our Platforms team to … focus on our internal security programme. Sounds great-what will I do? This role involves: Security Architecture in the Cloud : Designing and implementing secure cloud infrastructures, ensuring robust protection against potential threats. Endpoint Management and Administration : Overseeing the deployment, configuration, and maintenance of endpoint security solutions to More ❯

Security Consultant What we're offering (we know, everyone jumps to this section first!) Salary of £40,000 - £50,000 Share options so you benefit from our success 28 days paid holiday plus bank holidays, and an additional 5 unpaid if you want. Once you reach 3 years of … service, you get an extra day of paid holiday every year until 7 years at Intruder Flexible working - most of the Security team works from home, but we have the option of an office in Shoreditch if you ever feel like some human connection! A yearly off-site for … years promise more of the same, with plenty of growth opportunities for us and our teams! About this position: We are looking for a Security Consultant to facilitate the day-to-day running of the Intruder platform, and deliver Premium consultancy services including pentesting. This role is varied and More ❯

+ benefits & bonus Location: Remote (UK-based with occasional travel) – Work from anywhere in the UK Looking for a highly skilled offensive security professional ready to lead cutting-edge red team operations. This is your chance to step into a pivotal leadership role, guiding a talented red team … and stay at the forefront of emerging attack methods. You’ll lead a high-performing team, work on the most exciting and complex cyber security projects, and have the chance to drive real-world change for clients across various industries. The role also offers substantial career growth with access … attack methodologies and integrate the latest threat intelligence to stay ahead of attackers. Provide mentorship and leadership to red team members, sharing expertise in offensive security tactics and best practices. Collaborate with clients to ensure simulations junior deliver actionable insights and improvements to their security infrastructure. Contribute More ❯

Security Consultant What we're offering: Salary of £40,000 - £50,000 Share options so you benefit from our success 28 days paid holiday plus bank holidays, and an additional 5 unpaid if you want. Once you reach 3 years of service, you get an extra day of paid … holiday every year until 7 years at Intruder. Flexible working - most of the Security team works from home, but we have the option of an office in Shoreditch if you ever feel like some human connection! A yearly off-site for the whole company. Last year we went to … years promise more of the same, with plenty of growth opportunities for us and our teams! About this position: We are looking for a Security Consultant to facilitate the day-to-day running of the Intruder platform and deliver Premium consultancy services including pentesting. This role is varied and More ❯

looking to bring in their 3rd Sales Engineer in EMEA, can be based in UK, Germany or Italy . Ideally somebody who has an offensive security background with presales experience to join a global team of 100. Languages: English, Italian nice to have Responsibilities: Partner with the EMEA … of industry news and developments to provide and maintain a deep industry and domain expertise Required Skills: 4+ years of presales experience selling cyber security software in either; VM, Threat Exposure, ASM, Pentesting, Application Security, Security Automation or Cloud Security solutions 2+ years of application security experience, understand security fundamentals and common vulnerabilities (e.g. OWASP Top Ten). Excellent communication, presentation, and demonstration skills. This role requires you to understand and articulate our platform's business value and technical advantages. Comfortable working in a dynamic, sometimes nebulous, fast-paced startup environment and experience at More ❯

Description The Offensive Security Manager is responsible for the provision of penetration & red team testing services to the business, including leading teams, creating processes, and management of technologies & 3rd parties that make up the service. The role reports to the Director of Offensive Security. The position does … as organizational, leadership, relationship and supplier management skills are the key focuses of the role but will need to have a good understanding of security vulnerabilities and testing methodology to be able to understand the subject matter of the service and manage quality. The role will work closely alongside … the rest of the Cyber Team (e.g. Vulnerability Management), the wider Information & Cyber Security function (e.g. Project Assurance) and leaders in operational IT teams to ensure accurate detection, and the prioritized, timely and appropriate resolution of security vulnerabilities. We are looking for a collaborative team player, with a More ❯

The Information Security Manager is responsible for designing, implementing, and enhancing a comprehensive technology compliance and risk management program to bolster the organization’s security posture. This role involves continuous assessment, reporting, and improvement of technology risks and compliance activities across global operations. You will serve as a … pillar of the Information Security Program by driving and managing program activities, ensuring success through collaboration with internal and external partners. In the future you will establish a team and reports, but on the forefront there will be a focus on managing third party and vendor risk with an … emphasis on front end offensive security activities and conducting service provider security assessments. Must Haves: Experience as an Information Security Manager Experience managing an enterprise risk register Experience managing InfoSec gathering and reporting metrics Experience spearheading offensive security activities Experience managing policy document and More ❯

Security Engineer What we're offering (we know, everyone jumps to this section first!): Salary of £50-70k Share options so you benefit from our success 28 days paid holiday plus bank holidays, and an additional 5 unpaid if you want. Once you reach 3 years of service … you get an extra day of paid holiday every year until 7 years at Intruder. Flexible working - most of the Security team works from home, but we have the option of an office in Shoreditch if you ever feel like some human connection! A yearly off-site for the … years promise more of the same, with plenty of growth opportunities for us and our teams! About the Role: We are looking for a Security Engineer to write new vulnerability checks for the latest critical vulnerabilities, research breaking vulnerabilities, and discover new weaknesses in well-known products. This role More ❯

Dynamic Application Security Testing for your AI Powered by the world's largest attack library for AI, Mindgard enables red teams, security, and developers to swiftly identify and remediate AI security vulnerabilities. Continuous Security Testing & Automated AIRed Teaming We empower organizations to create and run secure … Empower your team to identify AI risks that static code or manual testing cannot detect. Reduce testing times from months to minutes. Comprehensive AI Security Coverage: Gain actionable visibility with the most accurate AI security insights, empowering teams to swiftly address emerging threats. Scale red team capabilities by … controls across your organization, ensuring robust and secure AI deployment. Founded in a leading UK university lab with 10+ years of research in AI security, we have partnerships that ensure access to the latest advancements and the most qualified talent. How Mindgard Works Connect your AI Model: Point the More ❯

Security Engineer What we're offering (we know, everyone jumps to this section first!) Salary of £50-70k Share options so you benefit from our success 28 days paid holiday plus bank holidays, and an additional 5 unpaid if you want. Once you reach 3 years of service … you get an extra day of paid holiday every year until 7 years at Intruder ️ Flexible working - most of the Security team works from home, but we have the option of an office in Shoreditch if you ever feel like some human connection! A yearly off-site for the … years promise more of the same, with plenty of growth opportunities for us and our teams! About the Role: We are looking for a Security Engineer to write new vulnerability checks for the latest critical vulnerabilities, research breaking vulnerabilities, and discover new weaknesses in well-known products. This role More ❯