1 to 25 of 33 Offensive Security Jobs in England

OFFENSIVE CYBER SECURITY RESEARCHER Up to £140,000 + Shares + Staff Benefits Fully Remote SECURE has strategically partnered with a Multi-Award-Winning, Software-Based Organisation at the forefront of Pre-Emptive Exposure Management. As a market leader backed by significant venture funding, they combine proactive Threat Intelligence, Real Attacker Telemetry & Automated Red Teaming to Continuously Identify … insights that protect Fortune 500 Companies & Critical Infrastructure Providers, helping them outrun Real-World Threats in Real-Time. Role Overview: We're looking to speak with an exceptional Principal Offensive Security Researcher who thrive on Discovering High-Impact Vulnerabilities in modern environments. This role focuses on Uncovering & Weaponising Real-World Attack Paths across Cloud, SaaS, Internet-Exposed Infrastructure … Modern Application Stacks. You'll collaborate with Elite Offensive Practitioners, Drive Original Research & Help Scale Offensive Capability through Automation & Tradecraft. Skills & Experience of Senior Offensive Security Researcher: Proven Hands-On Offensive Security/Red-Team Experience Against Modern, Real-World Environments Demonstrated Ability to Uncover High-Impact Vulnerabilities beyond known CVEs Strong Understanding of More ❯

Offensive Security Researcher/Security Consultant | Elite Cybersecurity Scale-Up | Fully Remote (Global) Ready to take your offensive security skills to the next level? This is your chance to join a fast-scaling cybersecurity innovator , backed by funding, recognised by Gartner, and trusted by some of the world’s biggest enterprises and critical infrastructure providers. … They’re building technology that helps security teams outrun real-world threats — and they’re looking for offensive security experts who thrive on finding vulnerabilities where others can’t. What you’ll be doing: Spending your days doing what you love: hacking (professionally speaking) — discovering innovative, high-impact vulnerabilities across global enterprises Hunting for weaknesses that matter … RCE > weak SSL ciphers Collaborating with other seasoned offensive experts to invent new TTPs and attack modern infrastructure Researching cutting-edge attack vectors across cloud, SaaS, web stacks, and internet-exposed infrastructure Partnering with Red Team Engineers to scale and automate your discoveries so nothing gets wasted (Optional but encouraged) Presenting your research at industry conferences — with full company More ❯

Offensive Security Researcher/Security Consultant | Elite Cybersecurity Scale-Up | Fully Remote (Global) Ready to take your offensive security skills to the next level? This is your chance to join a fast-scaling cybersecurity innovator , backed by funding, recognised by Gartner, and trusted by some of the world’s biggest enterprises and critical infrastructure providers. … They’re building technology that helps security teams outrun real-world threats — and they’re looking for offensive security experts who thrive on finding vulnerabilities where others can’t. What you’ll be doing: Spending your days doing what you love: hacking (professionally speaking) — discovering innovative, high-impact vulnerabilities across global enterprises Hunting for weaknesses that matter … RCE > weak SSL ciphers Collaborating with other seasoned offensive experts to invent new TTPs and attack modern infrastructure Researching cutting-edge attack vectors across cloud, SaaS, web stacks, and internet-exposed infrastructure Partnering with Red Team Engineers to scale and automate your discoveries so nothing gets wasted (Optional but encouraged) Presenting your research at industry conferences — with full company More ❯

Lead our Application Security and Threat Intelligence teams while driving comprehensive security strategies that protect M-KOPA's platform and enable secure product development at scale. The Impact Your leadership will directly protect the platform that serves over 7 million customers who have accessed more than $2 billion in credit. We've already helped transform lives across an … and products that make that transformation possible. It's your chance to be part of something that's literally transforming lives across an entire continent The Opportunity Mission-driven security : Protect the platform enabling financial inclusion for millions of Every Day Earners across Africa Global recognition : Join a company named by TIME 100 as one of the world's … most influential and by the Financial Times as Africa's fastest-growing for 4 consecutive years Scale challenges : Lead security for a platform processing over 1.5 million payments daily across 5 markets Environmental impact : We're carbon-negative, having displaced over 2.1 million tonnes of emissions What You'll Do At M-KOPA, you'll lead both Application Security More ❯

Penetration Tester (OSCP) Location: Remote Position Type: Full-time Reports to: Senior Penetration Tester About the Organisation A high-growth security consultancy working across government, space programmes, and FTSE 100 organisations is expanding its offensive security function. The team delivers complex, high-impact testing and simulation work for clients across the UK, US, and Europe. With a … Overview We’re looking for a Penetration Tester/Red Team Consultant with 1–3 years’ experience who thrives on variety, problem-solving, and continuous learning. You’ll deliver offensive security assessments, red team operations, and threat-led simulations across a wide range of sectors, often on weekly, part-time client engagements. The role is remote, with occasional … client visits — though none have been required in the last five years. Key Responsibilities Deliver red team, purple team, and wider offensive security engagements. Conduct attack simulations, threat modelling, and targeted technical testing. Carry out occasional physical security assessments. Produce high-quality penetration testing and red team reports. Communicate findings clearly to both technical and non-technical More ❯

month Contract Pay: Up to 500 per day (Outside IR35) Location: Fully Remote Excellent long term contract for an experienced Penetration Tester to support a large-scale international security programme, delivering high-quality offensive security assessments across applications, infrastructure, and networks. You'll be joining a specialist team responsible for delivering structured penetration tests, vulnerability assessments and … security design reviews. Working within a defined AGILE sprint model, you will plan, execute and report on testing activities, producing clear technical findings, risk assessments and remediation guidance. Strong communication skills are essential, as you'll deliver briefs to both technical teams and senior stakeholders. The role requires hands-on experience with modern penetration testing tools and recognised methodologies … systems, networks, applications, and protocols. A background in scripting (Python, Go, PowerShell or shell) is highly desirable. Key Requirements: Strong experience in web and infrastructure penetration testing Proficiency with offensive security tooling and methodologies Ability to produce clear, structured, executive-level reporting Knowledge across network security, application security, cryptography and authentication SC/NATO SECRET security More ❯

Senior Security Consultant Penetration Testing (Web, API & Product Security) Location: Remote (UK) | Competitive Salary + Bonus + Training & Certs Join a CREST-accredited Cyber Security consultancy delivering high-quality penetration testing services across web, mobile, cloud and product environments for organisations in finance, healthcare, SaaS and critical infrastructure. They are looking for a Senior Penetration Tester with … strong commercial experience who is keen to advance their career into more Red Team/Offensive security engagements . Youll take a lead role in delivering assessments, improving testing approaches, and guiding junior team members, while gaining the opportunity to participate in red team activities as part of your growth. What youll do: Deliver Web Application and API … penetration tests , including complex and modern architectures. Lead assessments across infrastructure, cloud and product security , identifying and exploiting real-world risks. Produce high-quality reports and communicate findings clearly to both technical and non-technical stakeholders. Support offensive security tooling improvements and internal research initiatives. Mentor junior testers and play a key part in continuous improvement across More ❯

Senior Cloud Security Engineer KUBERNETES expert REMOTE Senior Cloud Security Engineer - KUBERNETESREMOTEPermanent Our client has revolutionised the world of payments with their cutting-edge technology and innovative solutions. You will join a team of defensive security engineers directly maintaining and expanding security controls as well as advising the wider platform and application engineers within the R … D team. The team report into the CISO and work alongside the other functional pillars of InfoSec. Role You will build and run defensive security controls for highly-available multi-cloud payment systems running the latest technology. You will understand current threats, exploitation paths and risk tradeoffs in order to advise engineering teams on beneficial security features as … well as prioritise management of defensive controls. Essential You live on the linux command line Your current research and experience back up your opinionated views on security practices and tradeoffs, which you love to openly debate and willingly share You're sought after for your Kubernetes security expertise and have developed complex heavily customised multi-cluser environments Your More ❯

Role: Cyber Security Analyst Location: London/Manchester/Bristol Salary: Competitive salary and package dependent on experience Career Level: Specialist Please Note: Any offer of employment is subject to satisfactory BPSS and SC security clearance which typically requires 5 years continuous UK address history usually including no periods of 30 consecutive days or more spent outside of … of application. Note: The above information relates to a specific client requirement Our Cyber Practice is a fast-growing community of industry leading experts. The practice covers Assurance, Compliance, Security Operations (SecOps), Offensive Security and Security Research. It is critical that the relevance and quality of the services that we provide is maintained and augmented and … are looking to make your mark on a rapidly growing SecOps team with some very exciting clients, look no further. We are searching for a passionate and enthusiastic Cyber Security Analyst to join our Blue Team. The ideal candidate will be a self-starter with an inquisitive nature and a keen interest when it comes to technical cybersecurity topics More ❯

Job Description – Cyber Security Generalist Manager Role Location – Any UK Salary: Competitive (based on experience) Level: Accenture will be hiring at Manager level Please Note: Any offer of employment is subject to satisfactory BPSS and SC security clearance which typically requires 5 years continuous UK address history usually including no periods of 30 consecutive days or more spent … of application. Note: The above information relates to a specific client requirement Our Cyber Practice is a fast-growing community of industry leading experts. The practice covers Assurance, Compliance, Security Operations (SecOps), Offensive Security and Security Research. It is critical that the relevance and quality of the services that we provide is maintained and augmented and … that the team members have every opportunity to grow and learn with the organisation. We are looking for a cyber security generalist consultant with experience in solving complex cyber security problems utilising your technical expertise and learned experience. As a cyber generalist we expect you to demonstrate advanced skills and a high level of expertise across multiple facets More ❯

Job Description – Cyber Security Generalist Assoc Manager Role Location – Southwest – Bristol/Cheltenham Salary: Competitive (based on experience) Level: Accenture will be hiring at Assoc Manager level Any offer of employment is subject to satisfactory BPSS and the candidate being granted a level of security clearance which typically requires 10 years continuous UK address history, usually including no … of application. Note: The above information relates to a specific client requirement Our Cyber Practice is a fast-growing community of industry leading experts. The practice covers Assurance, Compliance, Security Operations (SecOps), Offensive Security and Security Research. It is critical that the relevance and quality of the services that we provide is maintained and augmented and … that the team members have every opportunity to grow and learn with the organisation. We are looking for a cyber security generalist consultant with experience in solving complex cyber security problems utilising your technical expertise and learned experience. As a cyber generalist we expect you to demonstrate advanced skills and a high level of expertise across multiple facets More ❯

and Penetration Testing teams to integrate threat intelligence into testing scenarios using Breach & Attack Simulation (BAS) platforms and enhance defensive strategies. Act as a liaison between threat intelligence and offensive security teams to ensure alignment on threat modeling and adversary simulation exercises. Support threat hunting activities by providing contextual intelligence and working alongside hunt team members. Conduct threat … intelligence processes, tooling, and automation. Participate in incident response investigations, providing threat context and attribution support. Maintain awareness of global regulatory and compliance requirements related to threat intelligence and offensive security operations. Key Projects or Initiatives: Level of Autonomy: (e.g independent contributor, team-based, leadership) Threat Intelligence Analyst will play a critical role in identifying, analyzing, and communicating More ❯

/Manchester/Bristol Salary: Competitive salary and package dependent on experience Career Level: Associate Manager Please Note: Any offer of employment is subject to satisfactory BPSS and SC security clearance which typically requires 5 years continuous UK address history usually including no periods of 30 consecutive days or more spent outside of the UK and declaration of being … of application. Note: The above information relates to a specific client requirement Our Cyber Practice is a fast-growing community of industry leading experts. The practice covers Assurance, Compliance, Security Operations (SecOps), Offensive Security and Security Research. It is critical that the relevance and quality of the services that we provide is maintained and augmented and … you are looking to make your mark on a rapidly growing SecOps team with some very exciting clients, look no further. We are searching for an experienced technical Cyber Security Operations Specialist to join our Blue Team. This is a senior role, and the ideal candidate will be a self-starter with an inquisitive nature, keen attention to detail More ❯

SECFORCE is an independent offensive cyber security consultancy specialised in Penetration Testing, Adversary Simulation and Advisory Consulting services. Founded in 2008 out of love and passion for the hacking craft, we have grown into a well-respected company based in London, Malta and Greece, with teams across Europe working for top-tier organisations all over the world. What … heart of our company, always looking for ways to upgrade our abilities through training programmes, conferences and time to research and self-development. Role Overview As a Pre-Sales Security Consultant, you will work closely with the sales team, technical teams, existing and prospective clients to understand their cybersecurity maturity requirements to propose appropriate solutions from our service portfolio. … command of English, with the ability to speak clearly, write concisely and structure complex discussions in a simplified manner. 2+ Years experience in scoping penetration testing, red teaming or offensive security consulting, with a strong understanding of how real-world attacks unfold. Strong practical understanding of common testing domains (e.g., web applications, cloud services, network infrastructure, workstation security More ❯

ICS OT Cyber Security Consultant Home based with travel to Staffordshire and UK-wide customer sites Are you an OT/ICS cyber specialist who enjoys getting hands-on with red team activities in critical industrial environments? Do you want a role that mixes penetration testing, threat emulation and resilience validation with security architecture and incident response? Would … membership fees covered What will you be doing? Delivering OT-focused red team activities with specialist partners, including penetration testing, adversary simulation and incident response exercises Planning and executing security assessments and incident response exercises in OT/ICS environments Developing and implementing attack scenarios and detection use cases using frameworks such as MITRE ATT&CK for ICS Performing … vulnerability assessments, threat modelling and attack path analysis to identify and address security weaknesses Supporting risk assessments and compliance against standards such as IEC 62443, NIST SP800-82 and NIS-R Helping deploy, configure and maintain OT cybersecurity and security monitoring solutions Contributing to crisis simulations, incident response plans and cybersecurity awareness training Preparing reports, documenting findings and More ❯

Are you an ambitious cyber security BDM or Account Executive looking to elevate your career? Join a CREST-accredited cyber security consultancy thats trusted by leading organisations to defend against todays most advanced threats. This is your chance to represent a brand built on credibility, innovation, and proven client success. Why Youll Love This Role: Growth with balance … most lucrative commission structures in the industry, uncapped & paid monthly designed to truly recognise top performance. A complete cybersecurity portfolio: Offer clients end-to-end solutions spanning penetration testing, offensive security, managed SOC, cloud security, and compliance, empowering you to sell with confidence and deliver real value. What Were Looking For Proven success in cyber security … a competitive benefits package Ongoing training, certifications, professional development and support A purpose-driven, inclusive culture where every voice matters The satisfaction of seeing your work directly strengthen clients security and success If youre ready to join a consultancy where your expertise is valued, your results are rewarded, and your growth is limitless, wed love to hear from you. More ❯

and fast-moving, delivering a comprehensive range of professional services and managed services both onsite and remotely. The Cyber Practice consists of highly skilled professionals delivering a myriad of offensive security testing and governance, risk, and compliance (GRC) services in support of Claranet’s vision. Taking a customer first approach, Claranet’s Cyber Practice prides itself in providing … world-class services designed to meet the specific and individual needs of all customers, across all industries. Position Summary As a Security Consultant, you will be responsible for delivering customer projects across a range of GRC services in line with your current capabilities, and future capabilities after suitable training/mentoring. You will be responsible for providing professional service … delivery including but not limited to; consultancy services and audit/assessment services against multiple security compliance frameworks/standards, and delivery of other GRC consultancy services as required to service our customers’ needs. This role will require additional activities as part of your job responsibilities to support the delivery of services which will include, but not limited to More ❯

Are you an aspiring penetration tester looking to work with real threats, real tools, and real impact? You’ll be joining a growing cyber security consultancy focused exclusively on keeping critical national infrastructure secure. You’ll support a team of expert ethical hackers, helping test systems, applications, and networks for vulnerabilities - working alongside seasoned professionals while sharpening your offensive security skills.Expect to contribute to hands-on pen testing engagements, conduct vulnerability assessments, and support threat hunting within a well-established SOC. You'll develop your skills using industry-standard tools, investigate incidents, and provide actionable remediation advice.Role: Junior Penetration TesterLocation: London/HybridSalary: £30,000 - £50,000 (DOE)Ideally, you’ll have: 6+ months of proven penetration … or security testing experience Knowledge of Metasploit, Burp Suite, and vulnerability scanning tools Experience with Windows, Linux and Mac operating systems Interest in threat hunting, incident response, and security monitoring CRT/OSCP/Cyber Scheme training or aspirations to achieve them Eligibility for UK Security Clearance If you're looking to build a long-term cyber More ❯

Are you an aspiring penetration tester looking to work with real threats, real tools, and real impact? You ll be joining a growing cyber security consultancy focused exclusively on keeping critical national infrastructure secure. You ll support a team of expert ethical hackers, helping test systems, applications, and networks for vulnerabilities - working alongside seasoned professionals while sharpening your offensive security skills. Expect to contribute to hands-on pen testing engagements, conduct vulnerability assessments, and support threat hunting within a well-established SOC. You'll develop your skills using industry-standard tools, investigate incidents, and provide actionable remediation advice. Role: Junior Penetration Tester Location: London/Hybrid Salary: £30,000 - £50,000 (DOE) Ideally, you ll have: 6+ … months of proven penetration or security testing experience Knowledge of Metasploit, Burp Suite, and vulnerability scanning tools Experience with Windows, Linux and Mac operating systems Interest in threat hunting, incident response, and security monitoring CRT/OSCP/Cyber Scheme training or aspirations to achieve them Eligibility for UK Security Clearance If you're looking to build More ❯

Are you an aspiring penetration tester looking to work with real threats, real tools, and real impact? You’ll be joining a growing cyber security consultancy focused exclusively on keeping critical national infrastructure secure. You’ll support a team of expert ethical hackers, helping test systems, applications, and networks for vulnerabilities - working alongside seasoned professionals while sharpening your offensive security skills. Expect to contribute to hands-on pen testing engagements, conduct vulnerability assessments, and support threat hunting within a well-established SOC. You'll develop your skills using industry-standard tools, investigate incidents, and provide actionable remediation advice. Role: Junior Penetration Tester Location: London/Hybrid Salary: £30,000 - £50,000 (DOE) Ideally, you’ll have: 6+ … months of proven penetration or security testing experience Knowledge of Metasploit, Burp Suite, and vulnerability scanning tools Experience with Windows, Linux and Mac operating systems Interest in threat hunting, incident response, and security monitoring CRT/OSCP/Cyber Scheme training or aspirations to achieve them Eligibility for UK Security Clearance If you're looking to build More ❯

business is enhancing its Vulnerability & Threat Management function to protect a complex and ever-evolving technology landscape. As a Senior Vulnerability Management Engineer, you'll work within the Information Security team, taking ownership of vulnerability identification, validation, prioritisation and communication across the estate. You'll collaborate with engineering, incident response, threat intelligence and operational teams to provide actionable mitigation … strategies, guide remediation efforts, and strengthen the overall security posture. This is a high-impact role in a proactive, forward-thinking security environment that values technical expertise, curiosity, and clear communication. The Role Administer and maintain vulnerability scanning and risk reporting platforms Lead on scoping, estimating and delivering major security projects Triage vulnerabilities, assess risk and support … remediation teams with mitigation strategies Conduct security assessments and present findings to technical and senior stakeholders Manage and develop the organisation's Bug Bounty programme Produce high-quality reporting, dashboards and programme metrics Review and assess threat intelligence, advising on business impact and recommended countermeasures Support Incident Response during security incidents Participate in RvB exercises and validate threat More ❯

Companies & Critical Infrastructure Providers, helping them outrun Real-World Threats in Real-Time. Role Overview: We're looking to speak with ambitious Senior Threat Intelligence Analyst to Expand Offensive Security Capabilities around Honeypot Data Analysis. You'll Design & Deploy Detections for N-Day & 0-Day Exploits using a Global Network, Develop CTI Platforms for Real-Time Threat Analysis … don't need to tick every box - if you're motivated to make an impact, read on. Skills & Experience of Threat Intelligence Analyst will include Proven Experience with Cyber Security Platforms & Threat Intelligence Solutions, with demonstrated expertise in identifying and analysing security threats at scale Knowledge of Threat Intelligence Practices & Ability to Translate Complex Data Strong Background in More ❯

Are you an offensive security specialist who is excited about delivering the best service possible? Keen to work in a business where you stand to work alongside some very talented testers? CND are working with a boutique Cyber Security consultancy who are focused on the Penetration Testing market. What makes them stand out? They are not interested … with common tooling for penetration testing. Ideally, a knowledge of Cloud services such as Azure or AWS. Capability to script or code in Bash, Python etc. Appreciation for Cyber Security standards such as ISO27001, PCI-DSS or CIS. This is a role with a growing, exciting organisation who can offer you a strong degree of progression and the ability More ❯

Drive DevOps maturity improving deployment speed, change failure rates, and time-to-recovery across all services. Own cloud and infrastructure strategy across AWS/Azure with a focus on security, performance, cost, and global regulatory requirements. Partner with Product, Security, and Engineering to deliver secure, reliable, and scalable capabilities. Define and evolve platform architecture across networking, observability, storage … regions. Experience leading leaders not just individual contributors. Proven success scaling high-throughput distributed systems in production. Strong background in early-stage B2B SaaS (ideally cybersecurity, threat intelligence, or offensive security tools). Deep technical expertise across: Cloud: AWS, Azure IaC: Terraform, Ansible Platforms: Kubernetes (EKS), ECS, Docker, Lambda, Airflow Observability: EFK, Prometheus, Grafana, Jaeger/OpenTelemetry Persistence … this scope and impact. High-ownership leadership role in a company solving real, industry-wide cybersecurity challenges. Elite engineering environment where youll work with researchers, operators, and world-leading security talent. Serious growth trajectory join early, grow with the organisation, and shape the future of the platform function. Cutting-edge problems few companies in the world are capable of More ❯

Drive DevOps maturity — improving deployment speed, change failure rates, and time-to-recovery across all services. Own cloud and infrastructure strategy across AWS/Azure with a focus on security, performance, cost, and global regulatory requirements. Partner with Product, Security, and Engineering to deliver secure, reliable, and scalable capabilities. Define and evolve platform architecture across networking, observability, storage … regions. Experience leading leaders — not just individual contributors. Proven success scaling high-throughput distributed systems in production. Strong background in early-stage B2B SaaS (ideally cybersecurity, threat intelligence, or offensive security tools). Deep technical expertise across: Cloud: AWS, Azure IaC: Terraform, Ansible Platforms: Kubernetes (EKS), ECS, Docker, Lambda, Airflow Observability: EFK, Prometheus, Grafana, Jaeger/OpenTelemetry Persistence … scope and impact. High-ownership leadership role in a company solving real, industry-wide cybersecurity challenges. Elite engineering environment where you’ll work with researchers, operators, and world-leading security talent. Serious growth trajectory — join early, grow with the organisation, and shape the future of the platform function. Cutting-edge problems few companies in the world are capable of More ❯