1 to 25 of 48 Senior Security Engineer Jobs in London

Job Title: Senior Security Engineer Location: London (Hybrid Working Available) Salary: Competitive + Benefits Are you an experienced security professional ready to take on a senior technical leadership role? Were looking for a Senior Security Engineer to join a dynamic and globally connected organisation in the financial services sector. This is a … rare opportunity to play a pivotal part in shaping and maintaining cyber defence strategies across a complex international infrastructure. About the Role As a Senior Security Engineer , youll report to the IT Security Officer and work closely with another Security Engineer in a collaborative, expert-led team. You will lead the implementation, maintenance, and … continuous improvement of the organisations security systems and controls. From managing cutting-edge threat detection and prevention tools to supporting the delivery of cybersecurity training, you will be a hands-on leader in securing the business against evolving threats. Key Responsibilities Manage and optimise enterprise-grade security tools: WAF, DDoS, email and web security gateways, SIEM, SOAR More ❯

Senior Security Engineer - Build, Secure, and Scale in a Cloud-Native Environment Location: Hybrid (UK-based) Salary: Competitive + Excellent Benefits Employment Type: Full-time, Permanent Are you a seasoned Security Engineer with a passion for protecting infrastructure at scale? A rapidly growing technology-driven organisation is looking for a Senior Security Engineer … You'll join a high-performing Platform Engineering team, working alongside cloud specialists, DevOps professionals, and software engineers to build secure, scalable platforms. This is more than a pure security role - it's an opportunity to be hands-on in architecture, engineering, and compliance, while leading the charge on modern, cloud-first security strategy. Responsibilties: Designing and implementing … robust security policies, controls, and infrastructure protection strategies. Leading vulnerability management efforts, penetration testing, and remediation plans. Monitoring and investigating security events, managing incident response processes end-to-end. Ensuring compliance with security standards such as ISO 27001 and supporting audits and certifications. Collaborating across teams to embed security into the core of platform and product More ❯

Senior Security Engineer We are seeking an experienced Senior Security Engineer to join our dynamic Security Team. In this key role, you will be a key contributor to Funding Circle's cloud and application security posture. You will leverage your deep expertise in AWS security, secure software development lifecycle (SSDLC) practices … and CI/CD security to implement and champion robust security solutions. You will act as a subject matter expert and mentor, collaborating closely with engineering and product teams to embed security seamlessly into our cloud infrastructure and development processes, ensuring the protection of our platform and customer data in a fast-paced FinTech environment. Who are … The role Define, champion, and embed secure software development lifecycle (SSDLC) practices and secure coding standards across engineering teams through collaboration, training, and tooling. Architect, build, and maintain automated security controls, tooling, and "security rails" within CI/CD pipelines to ensure secure and efficient deployments. Collaborate closely with Cloud Platform Engineers, DevX and Product Engineering to ensure More ❯

Senior Security Incident Response Engineer page is loaded Senior Security Incident Response Engineer Apply locations Oxford London time type Full time posted on Posted 30+ Days Ago job requisition id R95539 Senior Security Incident Response Engineer About Team: If you are considering a new role and want to work in a … is helping to change the world, consider joining an organisation serving the global scientific research community, supporting the brightest minds on the planet. Elsevier is expanding its Global InfoSec Security Incident Response team and is looking for an Incident Response Engineer to join its ranks in the UK. About Role: As a Senior Security Incident Response … Engineer, you will be a key internal security support team member, assisting in incident response investigations. You will have experience in analysing, triaging, scoping, containing, providing remediation guidance, and determining the root cause of security incidents. You are familiar with collecting and analysing security incident-related data to identify indicators of attack and compromise. You will More ❯

Senior Application Security Engineer page is loaded Senior Application Security Engineer Apply locations London, UK time type Full time posted on Posted 2 Days Ago job requisition id JR100290 Who we are We're the people behind the global loyalty currency, Avios, and home to three ambitious, growing businesses;IAG Loyalty, British Airways Holidays … places! This is where you come in. The Opportunity As IAG Loyalty evolves into a Platform as a Service business, we're looking for a talented and passionateSenior Application Security Engineerto join our security engineering team. You'll have a background in software engineering and a deep interest in application and API security. You thrive on collaboration, enjoy … helping others grow, and see security as an enabler - not a blocker. You'll be an AppSec advocate who supports our engineers in identifying and addressing security issues across the software development lifecycle. You'll be part of a small, dynamic team within the Product department that drives IAG Loyalty's digital transformation, technology strategy, and product direction. More ❯

work. Whether you're building on our platform, supporting our customers, or shaping our story: You can just ship things. About the Role: We are looking for aSenior Application Security Engineerto join our security team (reporting to the Head of Security). In this role, you will drive critical application security initiatives across Vercel's products … and platform. Your core focus will be onthreat modeling, open-source software security, secure code review, SDLC tooling, andbug bounty program management. You will support both our internal product engineering teams and customer-facing security programs, ensuring that security is embedded throughout our development lifecycle and that our platform earns the trust of developers and end-users … alike. As a senior member of the team, you will lead cross-organizational security projects and champion a security-first culture within Vercel's engineering organization. This is a high-impact role with broad scope - your work will not only secure Vercel's core infrastructure and applications (built with Next.js, Node.js, and serverless architecture), but also influence More ❯

Miro's Cloud Security team plays a critical role in ensuring the security, resilience, and integrity of Miro's platform infrastructure. We are entrusted with protecting both the foundational information assets and the collaborative experiences that enable our global customers to innovate with confidence. Operating as part of the broader Infrastructure organization, the Cloud Security team partners … closely with key engineering groups including Networking, Compute, and Observability to embed security deeply across Miro's cloud environment. The team also maintains strong alignment with our peers in the Security organization-such as Application Security and Detection & Response-ensuring a unified and strategic approach to securing our platform. At Miro, we are on a path to … achieving an industry-leading security posture. This ambition is reflected in our proactive governance frameworks, robust assurance and certification programs, and a long-term strategy anchored in automation, scalability, and risk-informed decision-making. About the Role Seeking a Senior Cloud Security Engineer to join our Cloud Security team. Your cloud and automation skills, combined More ❯

We’re looking for a Senior Cloud Security Engineer for our growing, prestigious client in the data sector, based in London, on a permanent basis paying up to £65,000 plus great benefits. This role offers hybrid working with an expectation to be in the office 2-3 days per week. You’ll be joining a technical … team focused on strengthening cloud security and ensuring compliance across Microsoft Azure environments. This role will involve hands-on security engineering, working closely with infrastructure and DevOps teams, and supporting the adoption of Microsoft’s security toolset across the organisation. You will need proven experience with: Securing Azure environments in line with best practices - essential Microsoft Defender … SC-100 (or working towards) One or more of MS-500/SC-400/SC-900 The following are desired: CISSP, CISM, CCSP Interested? Please apply below. Senior Cloud Security Engineer, Azure Security Engineer, Azure Security Consultant, Cloud Security Consultant, Microsoft Security, Azure Sentinel, Defender, Purview, Compliance, Entra ID, Cloud Security More ❯

We’re looking for a Senior Cloud Security Engineer for our growing, prestigious client in the data sector, based in London, on a permanent basis paying up to £65,000 plus great benefits. This role offers hybrid working with an expectation to be in the office 2–3 days per week. You’ll be joining a technical … team focused on strengthening cloud security and ensuring compliance across Microsoft Azure environments. This role will involve hands-on security engineering, working closely with infrastructure and DevOps teams, and supporting the adoption of Microsoft’s security toolset across the organisation. You will need proven experience with: Securing Azure environments in line with best practices - essential Microsoft Defender … SC-100 (or working towards) One or more of MS-500/SC-400/SC-900 The following are desired: CISSP, CISM, CCSP Interested? Please apply below. Senior Cloud Security Engineer, Azure Security Engineer, Azure Security Consultant, Cloud Security Consultant, Microsoft Security, Azure Sentinel, Defender, Purview, Compliance, Entra ID, Cloud Security More ❯

Senior Cyber Security Engineer Excellent opportunity for an experienced Cyber Security Engineer with MSP experience to join a high-performing team delivering security solutions across Microsoft technologies and supporting compliance frameworks. Full-time, permanent position based in London with hybrid working (3 days in office, 2 remote), offering up to £60,000 depending on … experience. Immediate start available - candidates with hands-on Microsoft Security experience and relevant certifications are highly encouraged to apply. To apply, please email Who are the client? Our client is a recognised UK-based Managed Services Provider with strong accreditations and a reputation for excellence in technology and employee development. They are an IASME certification body and work with … a broad client base across sectors to deliver robust cyber security strategies. The company is growing and offers an outstanding culture of innovation, development, and recognition. What will you be doing? This senior, client-facing cyber security position is ideal for someone who enjoys both technical implementation and supporting security frameworks such as Cyber Essentials. You More ❯

Senior Cyber Security Engineer Excellent opportunity for an experienced Cyber Security Engineer with MSP experience to join a high-performing team delivering security solutions across Microsoft technologies and supporting compliance frameworks. Full-time, permanent position based in London with hybrid working (3 days in office, 2 remote), offering up to £60,000 depending on … experience. Immediate start available - candidates with hands-on Microsoft Security experience and relevant certifications are highly encouraged to apply. To apply, please email Who are the client? Our client is a recognised UK-based Managed Services Provider with strong accreditations and a reputation for excellence in technology and employee development. They are an IASME certification body and work with … a broad client base across sectors to deliver robust cyber security strategies. The company is growing and offers an outstanding culture of innovation, development, and recognition. What will you be doing? This senior, client-facing cyber security position is ideal for someone who enjoys both technical implementation and supporting security frameworks such as Cyber Essentials. You More ❯

An impressive multinational Telecoms business is looking for a Senior Security Engineer to join its team based in London. Please note, this role is hybrid so you will be required to work in the office 3 days per week. As a Senior Network Security Engineer, you will be responsible for designing, implementing, and managing … security solutions that protect a large and high-profile network infrastructure. You will work closely with the team to proactively improve network security (both on-prem and cloud), detect threats and maintain a strong systems defence posture. In order to be suitable for this role you must have proven experience of designing, configuring and maintaining network security solutions. You will be a hands-on technical expert with deep knowledge of network security, firewalls, and cloud security (AWS/Azure). CISSP and/or CCNP Security accreditation are expected, while previous experience in the Telco sector would be advantageous to your application. This is an outstanding opportunity for an accomplished Network Security More ❯

Senior Application Security Engineer Department: Engineering Employment Type: Permanent - Full Time Location: London Reporting To: Sami Eltamawy Compensation: £80,000 - £90,000/year Description London, office-based Freetrade's mission is to become the default place to invest. Investing has been too complicated and expensive for too long, keeping millions from making the most of their … features like mutual funds, bonds, and family investment tools. We're also exploring how we can leverage AI to deliver an even better experience for our customers. As a Senior Security Engineer , you'll lead the charge in building and scaling our Application Security (AppSec) program from the ground up. Your mission will be to embed … security into every phase of our development lifecycle, ensuring our products are not only innovative but resilient against threats. You'll be working across a rich and diverse attack surface, including our web, Android, and iOS applications, as well as the backend systems that power them. This is a rare opportunity to shape the security landscape of multiple More ❯

distributed environment, operating at massive levels of scale. Businesses, from start-ups to enterprises, run their operations and applications on AWS' multi-tenant infrastructure. Key Job Responsibilities As a Senior Security Engineer, you'll help to build and manage services that detect and automate the mitigation of cybersecurity threats across Amazon's infrastructure. You'll work with … data scientists, software development engineers, and other security engineers across multiple teams to develop innovative security solutions. Our services protect the AWS cloud for all customers and preserve our customers' trust in us. You'll get to use the full power and breadth of AWS technologies to build services that proactively protect AWS customers, both internally and externally … from security threats. You will be working in a team of industry-leading security experts with UK customers to operate and continuously improve industry-leading security programs and processes. This team manages the underlying security programs and processes for personnel security, physical and logical accreditations, education, awareness and training, assurance, and cyber security. This position More ❯

Edinburgh - GB London - London, N1C 4AB GB (Primary) Manchester - Manchester, M2 7FL GB Travel Job Type Full Time Category Security Job Description Senior Security Engineer London, Manchester or Edinburgh About us Hoare Lea is a human-centric and planet-conscious engineering consultancy. We offer intelligent and sustainable solutions to complex design challenges for the built environment … throughout the UK and further afield. We provide a wide range of engineering and consultancy services, including acoustics, air quality, building services (MEP), fire, lighting, security and sustainability to name but a few. Together, our highly skilled teams use technical expertise and problem-solving skills to bring buildings to life. We ensure that whatever the building, its design is … our aim is to enable everyone to develop their knowledge, give their best, and enjoy what they do. About the role We have a brand-new opportunity for a Senior Security Consultant to join our team based in London, Manchester or Edinburgh. The Hoare Lea security engineering team includes chartered engineers and professionally registered security professionals More ❯

You will need to login before you can apply for a job. This boutique financial services firm is seeking a senior security engineer to implement and maintain its security tooling and systems. As part of a small security team (3 people), your role will be varied and will include managing firewalls, email security, cloud … Azure), IAM/PAM systems, security certificates, SIEM, and SOAR. As the Senior Security Engineer, you will have the opportunity to mentor and develop the security engineer. The successful candidate will have experience gained in a broad, hands-on security engineering position. Relevant certifications such as CISM and/or Microsoft certifications are desirable. More ❯

Senior Cloud Security Engineer Department: Engineering Employment Type: Permanent - Full Time Location: London Reporting To: Sami Eltamawy Compensation: £80,000 - £90,000/year Description London, office-based Freetrade's mission is to become the default place to invest. Investing has been too complicated and expensive for too long, keeping millions from making the most of their … to deliver an even better experience for our customers. We're on a mission to build a secure, scalable, and resilient cloud infrastructure-and we're looking for a Senior Cloud Security Engineer to lead the way. In this foundational role, you'll architect and build our cloud security program from the ground up, helping to … shape how we protect our systems, services, and users in an ever-evolving digital landscape. You'll work closely with our DevOps and Platform teams to integrate security deeply into our development and deployment pipelines. This is your chance to define the standards, select the tools, and create the practices that will safeguard our cloud ecosystem now and into More ❯

and challenges. We are dedicated to consistently updating our job descriptions to ensure we continue to lead in banking innovation. How you will contribute and key responsibilities: As a Senior Security Engineer, you will be instrumental in designing and implementing security measures for our mobile applications, services, and websites to meet the highest security standards. … Your expertise will help us continuously analyse and improve our security systems, ensuring that our products and services are not only secure by design but also comply with internal and external regulatory requirements. Other responsibilities include: Security Analysis and Improvement: Continuously analyse our security systems for potential improvements, ensuring that our defences remain at the forefront of … cybersecurity practices. Vulnerability Management: Proactively identify, assess, and remediate security vulnerabilities to maintain the integrity and confidentiality of our customer data. Security Automation: Automate security processes and procedures to enhance efficiency and effectiveness, reducing the risk of human error. Security Requirements and Solutions: Identify, define, and document system security requirements, providing well-considered recommendations to More ❯

Edinburgh and Madrid. With our focus on growth in the UK and Europe, now is the perfect time to join us on this high-speed journey. Introducing the Trainline Security Team Join our dynamic team, where we focus on designing, implementing, and monitoring security controls to ensure a robust security posture in a fast-evolving environment. As … part of our mission to continuously improve and mature Trainline's security capabilities, we work in close collaboration with cross functional teams, including Cloud Engineering, SRE, Platform Engineering, and more, to integrate the latest technologies and best practices into our security strategy. You will play a critical role in safeguarding all digital channels that collectively generate billions of … pounds in annual ticket sales, ensuring that our systems remain secure, resilient, and innovative in the face of evolving threats. As a Senior Cloud Security Engineer at Trainline, you will work on Cloud Security Design: Support the design, implementation, and maintenance of robust security frameworks and controls to protect cloud infrastructure in our AWS environment. More ❯

environment where you will be making an impact on the financial lives of thousands of savers. We're regulated by the Financial Conduct Authority in the UK. As a Senior Security Engineer, you will play a key role in protecting our systems, networks, and data while ensuring compliance with industry leading security standards such as ISO … contributions will be essential in maintaining customer trust and safeguarding critical information assets. This role sits within thePlatform Engineering Teamand requires a strong technical background, hands-on experience with security tools, and a collaborative mindset to work effectively across teams. The role will involveplatform engineering activities, contributing to the design, implementation, and optimisation of scalable infrastructure. If you're … motivated by solving complex problems in a dynamic, fast-paced environment, this position is for you. What you will do: Develop and implement proactive security strategies, policies, and procedures to protect our systems, networks, and data assets. Lead regular security assessments, including vulnerability scans and penetration tests, identifying risks and driving remediation efforts. Monitor infrastructure for security More ❯

Senior Application Security Engineer (33957) At Holland & Barrett, cybersecurity is at the heart of our digital transformation. As we continue to grow and innovate, securing our applications and protecting customer data is a top priority. We are looking for a Senior Application Security Engineer to lead our efforts in strengthening application security, mitigating … risks, and ensuring best-in-class security practices. If you are passionate about cybersecurity and eager to make a real impact, we want you on our team! Key Responsibilities: Security Strategy: Help define and execute the Holland & Barrett application security strategy. Collaborate with both tech and non-tech teams to integrate security principles into the early … software integrity, authenticity, and third-party library management. Risk Assessments: Conduct risk assessments, threat modeling, and architecture reviews alongside development teams, producing artifacts to drive the implementation of effective security controls. Standards Development: Own the creation and maintenance of tailored security standards and guidelines, developing reusable resources for various development teams. Team Support: Provide guidance and support to More ❯

Senior IT Security Engineer London (Hybrid) £80,000 - £85,000 DOE + Bonus + Benefits Join a leading London-based broker and market maker with offices worldwide! We are looking for a Senior IT Security Engineer to play a vital role in safeguarding critical infrastructure and data, working as part of a close-knit … expert IT Security team. The Role You will be instrumental in developing, implementing, and maintaining security solutions that protect systems from ever-evolving cyber threats. You'll serve as the technical lead, drive key security initiatives, and play a pivotal role in mentoring junior team members. Key Responsibilities Monitor, manage, and respond to threats via SIEM, SOAR … and EDR platforms Conduct vulnerability scans and support remediation and risk mitigation efforts Oversee WAF, DDoS, VPN, and perimeter firewalls Manage Email and Web Security Gateways Administer MFA, SSO, PAM, MDM/MAM, and Conditional Access systems Maintain security certificates, encryption keys, and IDS/IPS systems Deliver cybersecurity awareness training and lead ad-hoc security projects More ❯

A fantastic award winning MSP is looking for a talented Senior Cyber Security Engineer to come and join their team. This is a fantastic opportunity for someone who wants to work for one of the best MSP and voted the best work place. The role is 3 days in the office and 2 days WFH. Excellent Benefits … events, monthly games night with pizzas and breakfast on Wednesdays A fantastic MSP and voted one of the best places to work are currently looking for a Project Delivery Engineer to join their expanding UK based Cyber Security Projects team. The ideal candidate would be someone that is already in a similar role and has minimum of … team nights out/events, monthly games night with pizzas and breakfast on Wednesdays! Hybrid working 3 days in the office and 2 days WFH As a Project Delivery Engineer, you will be primarily responsible for deploying Security Technology Solutions for our which will largely involve Microsoft Security Technologies and working knowledge of implementing Cisco Meraki, Fortinet More ❯

Milan, Edinburgh and Madrid. With our focus on growth in the UK and Europe, now is the perfect time to join us on this high-speed journey. Introducing our Security We focus on designing, implementing, and monitoring security controls to ensure a robust security posture in a fast-evolving environment. As part of our mission to continuously … improve and mature Trainline's security capabilities, we work in close collaboration with cross functional teams, including Cloud Engineering, SRE, Platform Engineering, and more, to integrate the latest technologies and best practices into our products. You will play a important role in safeguarding all digital channels that collectively generate billions of pounds in annual ticket sales, ensuring that our … systems stay secure, resilient, and innovative in the face of evolving threats. As a Senior Product Security Engineer at Trainline, you will be responsible for Security in the Development Lifecycle : Drive the integration of security into every stage of the Software Development Lifecycle (SDLC). Design, implement, and manage security controls to ensure secure More ❯

Position Overview We are seeking a Senior Azure Security Engineer to join our UK-based team. This role will be responsible for implementing and maintaining robust security solutions across our Azure cloud infrastructure. You'll play a key role in ensuring compliance, hardening environments, and leveraging Microsoft's security tools to protect our systems and … data. Key Responsibilities Security Architecture & Implementation Implement and maintain secure Azure architectures in line with best practices Develop and support cloud security policies and technical standards Conduct security assessments, risk analysis, and contribute to security roadmaps Collaborate with teams to integrate security into CI/CD and cloud-native applications Microsoft Security Stack Configure … and managed Sentinel provider on incident handling Compliance & Governance Help ensure compliance with ISO 27001, SOC 2, GDPR, and NIS2 Support configuration and monitoring in Microsoft Compliance Manager Maintain security documentation and assist in audit preparation Configure insider risk management, audit, and eDiscovery capabilities Track Secure Score and recommend improvements Incident Response & Monitoring Configure monitoring and alerts using Microsoft More ❯