1 to 25 of 415 Permanent Senior Security Engineer Jobs in the UK

Senior Security Engineer | London | Hybrid (3 Days In-Office) | Competitive Pay & Great Benefits Join one of the world's leading providers of customizable trading technology, trusted by top investment banks and hedge funds globally. They're looking for a Senior Security Engineer to design … implement, and protect cutting-edge security infrastructure across cloud (AWS, Azure, M365) and on-prem environments. You will play a critical role in ensuring the confidentiality, integrity, and availability of their systems, networks, and data. The successful Senior Security Engineer will be offered the flexibility of … working, where you will be required to work from their City of London office at least 3 days a week. Key Responsibilities of the Senior Security Engineer: Develop and implement comprehensive security strategies, policies, and procedures. Design, deploy, and manage security solutions, including PAM/ More ❯

Role Title: Senior Security Engineer - Security Operations Location: London or Sheffield (Hybrid) About the role: RMG Cyber Security Operations is dedicated to safeguarding our information assets and managing security incidents through robust detection, analysis, and response strategies. We are seeking a Senior Security Engineer to enhance our team and contribute to the protection and resilience of our technical infrastructure. As a Senior Security Engineer, you will lead the maintenance and development of key security technologies across RMG's technology estate and provide senior-level expertise in … information security to ensure the successful delivery of security projects within the Business as Usual (BAU) Security Operations Function. Join our team and be part of a dynamic environment where your expertise in security operations will play a pivotal role in protecting our technological assets. What More ❯

Senior Security Engineer, Annapurna Labs Annapurna Labs is looking for a Senior Security Engineer to help ensure that our hardware platforms, software deliverables, and devices are secured against the latest threats. You will be responsible for the security assurance of our products. Influencing … review solutions and mitigations. You will lead vulnerability research, penetration testing, automated penetration testing solutions and methodologies such as fuzzing, static analysis and other security checkers. You will mentor service teams in adding security testing tools and practices to their development processes. Key job responsibilities A Senior Security Engineer at AWS is expected to be proficient in multiple domains. This is a leadership role within the Annapurna security team and you will be sought out for advice on technical and business issues. Efficient time management skills are required along with the ability to More ❯

Senior Security Engineer, Corporate Services Security Job ID: Amazon Data Services UK Limited Corporate Services Security (CPSS) is the Amazon security team aligned with Finance & Global Business Services (FGBS), People eXperience & Technology (PXT), Legal and Global Communications and Community Impact (GCCI) business units. Our … the development teams, we understand the dynamic business processes that run Amazon, and enable our stakeholders to innovate, build, and scale securely. The Product Security Team within CPSS supports a large number of applications built using AWS Services. Apart from work, we provide opportunities for our engineers to pursue … for a wide variety of web applications hosted on cloud Manual and Automated Secure Code Review, primarily in Java, Python and Javascript Development of security automation tools Adversarial security analysis using the latest tools to augment manual effort Provide Security training and outreach for internal development teams More ❯

Senior Application Security Engineer Hybrid From Any UK Hub (London, Swindon, Manchester, Glasgow, Belfast) Salary – Up to £100,000 Depending on experience + Discretionary Bonus + Additional Corporate Benefits Package The Client: A leading financial services firm requires a senior application security engineer! The … Role: As a Senior Application Security Engineer here, you'll sit within CTO, assisting a wide range of delivery teams in engineering secure solutions and protecting our member's money and data. As a senior security engineer, you will work cross-functionally to assess … risk and help deliver countermeasures that protect our member's data. You will work will engineering teams to create solutions that solve or remediate security problems. This will involve a range of activities, including (but not limited to) threat modelling, selection and configuration of DevSecOps tools, high-level and More ❯

Senior Application Security Engineer Hybrid From Any UK Hub (London, Swindon, Manchester, Glasgow, Belfast) Salary – Up to £100,000 Depending on experience + Discretionary Bonus + Additional Corporate Benefits Package The Client: A leading financial services firm requires a senior application security engineer! The … Role: As a Senior Application Security Engineer here, you'll sit within CTO, assisting a wide range of delivery teams in engineering secure solutions and protecting our member's money and data. As a senior security engineer, you will work cross-functionally to assess … risk and help deliver countermeasures that protect our member's data. You will work will engineering teams to create solutions that solve or remediate security problems. This will involve a range of activities, including (but not limited to) threat modelling, selection and configuration of DevSecOps tools, high-level and More ❯

Senior Application Security Engineer Hybrid From Any UK Hub (London, Swindon, Manchester, Glasgow, Belfast) Salary – Up to £100,000 Depending on experience + Discretionary Bonus + Additional Corporate Benefits Package The Client: A leading financial services firm requires a senior application security engineer! The … Role: As a Senior Application Security Engineer here, you'll sit within CTO, assisting a wide range of delivery teams in engineering secure solutions and protecting our member's money and data. As a senior security engineer, you will work cross-functionally to assess … risk and help deliver countermeasures that protect our member's data. You will work will engineering teams to create solutions that solve or remediate security problems. This will involve a range of activities, including (but not limited to) threat modelling, selection and configuration of DevSecOps tools, high-level and More ❯

Senior Application Security Engineer Hybrid From Any UK Hub (London, Swindon, Manchester, Glasgow, Belfast) Salary – Up to £100,000 Depending on experience + Discretionary Bonus + Additional Corporate Benefits Package The Client: A leading financial services firm requires a senior application security engineer! The … Role: As a Senior Application Security Engineer here, you'll sit within CTO, assisting a wide range of delivery teams in engineering secure solutions and protecting our member's money and data. As a senior security engineer, you will work cross-functionally to assess … risk and help deliver countermeasures that protect our member's data. You will work will engineering teams to create solutions that solve or remediate security problems. This will involve a range of activities, including (but not limited to) threat modelling, selection and configuration of DevSecOps tools, high-level and More ❯

Senior Product Security Engineer London/WFH to £160k Do you have expertise with secure coding practices and application security? You could be progressing your career in a senior, hands-on role at a global systematic trading firm. As a Senior Product Security Engineer you'll drive automated security processes, influence architecture and lead strategic security projects. Collaborating with IT, cloud and engineering teams, you'll implement security solutions for low-latency systems and multi-cloud platforms, including AWS, Azure, hybrid infrastructures across Python, C++, and Kotlin/… Java environments, ensuring robust protection that supports high-speed, data-driven operations. You will conduct threat modelling, vulnerability assessments and security code reviews across different platforms, ensuring security is embedded at every stage of the development lifecycle and provide mentorship, guidance and training on security best practices More ❯

Senior Product Security Engineer London/WFH to £160k Do you have expertise with secure coding practices and application security? You could be progressing your career in a senior, hands-on role at a global systematic trading firm. As a Senior Product Security Engineer you'll drive automated security processes, influence architecture and lead strategic security projects. Collaborating with IT, cloud and engineering teams, you'll implement security solutions for low-latency systems and multi-cloud platforms, including AWS, Azure, hybrid infrastructures across Python, C++, and Kotlin/… Java environments, ensuring robust protection that supports high-speed, data-driven operations. You will conduct threat modelling, vulnerability assessments and security code reviews across different platforms, ensuring security is embedded at every stage of the development lifecycle and provide mentorship, guidance and training on security best practices More ❯

Senior Product Security Engineer London/WFH to £160k Do you have expertise with secure coding practices and application security? You could be progressing your career in a senior, hands-on role at a global systematic trading firm. As a Senior Product Security Engineer you'll drive automated security processes, influence architecture and lead strategic security projects. Collaborating with IT, cloud and engineering teams, you'll implement security solutions for low-latency systems and multi-cloud platforms, including AWS, Azure, hybrid infrastructures across Python, C++, and Kotlin/… Java environments, ensuring robust protection that supports high-speed, data-driven operations. You will conduct threat modelling, vulnerability assessments and security code reviews across different platforms, ensuring security is embedded at every stage of the development lifecycle and provide mentorship, guidance and training on security best practices More ❯

Senior Information Security Engineer - UK Remote Optum is a global organization that delivers care, aided by technology to help millions of people live healthier lives. The work you do with our team will directly improve health outcomes by connecting people with the care, pharmacy benefits, data and … a thriving ecosystem of investment and innovation, our business in Ireland is constantly growing to support the healthcare needs of the future. As a Senior Information Security Engineer you will conduct network security investigations, cloud forensics, log analysis, host-based forensics, incident response, and case management. … Candidates should be proficient at communicating verbal and written findings to stakeholders at all levels of the enterprise regarding cyber security incidents. Primary Responsibilities of the Senior Information Security Engineer: Mentor analysts, providing training and guidance through complex incidents Identify deficiencies in processes and tools, make More ❯

Senior Product Security Engineer London/WFH to £160k Do you have expertise with secure coding practices and application security? You could be progressing your career in a senior, hands-on role at a global systematic trading firm. As a Senior Product Security Engineer you'll drive automated security processes, influence architecture and lead strategic security projects. Collaborating with IT, cloud and engineering teams, you'll implement security solutions for low-latency systems and multi-cloud platforms, including AWS, Azure, hybrid infrastructures across Python, C++, and Kotlin/… Java environments, ensuring robust protection that supports high-speed, data-driven operations. You will conduct threat modelling, vulnerability assessments and security code reviews across different platforms, ensuring security is embedded at every stage of the development lifecycle and provide mentorship, guidance and training on security best practices More ❯

You will need to login before you can apply for a job. View more categories View less categories Sector Technology Role Senior Executive Contract Type Permanent Hours Full Time DESCRIPTION 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. We are seeking a Senior Security Engineer to join our AI Security organization that builds AI-powered security solutions to re-imagine how Amazon discovers and protects customer data and applications. As a Senior Security Engineer, you will conduct security More ❯

You will need to login before you can apply for a job. AWS Sr Application Security Engineer, AppSec -EC2 Sector: Technology Role: Professional Contract Type: Permanent Hours: Full Time DESCRIPTION Help us protect not only the Amazon Web Services (AWS) cloud computing environment but all of our customers … to bring great ideas to life in ways that aren't possible in traditional IT environments. With AWS you can flexibly harness compute, storage, security, and other services from across the globe as your business demands them. AWS Security is on the cutting edge of many security … hardware, all operating at massive scale. Similarly, our highly collaborative team is committed to each team member's growth as our business grows. AWS Security is looking for an Application Security Engineer to help validate that our services, applications, and websites are designed and implemented to the More ❯

Microsoft Security Engineer – Empower Cyber Resilience at Scale 📍 Hybrid | Buckinghamshire | Full-Time Salary: £55-£65k + benefits A mission-driven organisation is looking for a Senior SOC Engineer to join its growing Cyber Security function. This is an outstanding opportunity for a Microsoft Security … to lead from the front - developing strategic defences while staying hands-on in the fight against evolving threats. Reporting to the Head of Cyber Security, the Senior SOC Engineer will play a critical role in threat detection, incident response, and driving the implementation of best-in-class … security operations across the business. 🔍 Microsoft Security Engineer Key Responsibilities: Oversee the end-to-end security monitoring process, including log management, threat detection, and response using tools like Microsoft Sentinel . Drive vulnerability management efforts and support remediation in collaboration with IT teams. Lead investigations into More ❯

Microsoft Security Engineer – Empower Cyber Resilience at Scale 📍 Hybrid | Buckinghamshire | Full-Time Salary: £55-£65k + benefits A mission-driven organisation is looking for a Senior SOC Engineer to join its growing Cyber Security function. This is an outstanding opportunity for a Microsoft Security … to lead from the front - developing strategic defences while staying hands-on in the fight against evolving threats. Reporting to the Head of Cyber Security, the Senior SOC Engineer will play a critical role in threat detection, incident response, and driving the implementation of best-in-class … security operations across the business. 🔍 Microsoft Security Engineer Key Responsibilities: Oversee the end-to-end security monitoring process, including log management, threat detection, and response using tools like Microsoft Sentinel . Drive vulnerability management efforts and support remediation in collaboration with IT teams. Lead investigations into More ❯

Senior Security Engineer – £75,000 – Hybrid Overview I am currently recruiting for a Senior Security Engineer to join a global digital marketing and technology agency specialised in online gaming, where you’ll be instrumental in shaping and securing the organisation’s digital landscape. If … you thrive in a dynamic, high-performance environment, this role offers the opportunity to lead impactful security initiatives across a complex, fast-evolving business. Role and Responsibilities Lead design, implementation and monitoring of robust security controls Oversee security architecture and operational tools across on-prem and cloud … environments Manage incident response, threat investigation, and vulnerability mitigation Conduct risk assessments, audits, and third-party security reviews Collaborate with teams to prioritise remediation, security best practices, and awareness Provide expert technical guidance and detailed reporting on risks and improvement plans Essential Skills and Experience Strong communication and More ❯

Senior Security Engineer – £75,000 – Hybrid Overview I am currently recruiting for a Senior Security Engineer to join a global digital marketing and technology agency specialised in online gaming, where you’ll be instrumental in shaping and securing the organisation’s digital landscape. If … you thrive in a dynamic, high-performance environment, this role offers the opportunity to lead impactful security initiatives across a complex, fast-evolving business. Role and Responsibilities Lead design, implementation and monitoring of robust security controls Oversee security architecture and operational tools across on-prem and cloud … environments Manage incident response, threat investigation, and vulnerability mitigation Conduct risk assessments, audits, and third-party security reviews Collaborate with teams to prioritise remediation, security best practices, and awareness Provide expert technical guidance and detailed reporting on risks and improvement plans Essential Skills and Experience Strong communication and More ❯

Senior Security Engineer – £75,000 – Hybrid Overview I am currently recruiting for a Senior Security Engineer to join a global digital marketing and technology agency specialised in online gaming, where you’ll be instrumental in shaping and securing the organisation’s digital landscape. If … you thrive in a dynamic, high-performance environment, this role offers the opportunity to lead impactful security initiatives across a complex, fast-evolving business. Role and Responsibilities Lead design, implementation and monitoring of robust security controls Oversee security architecture and operational tools across on-prem and cloud … environments Manage incident response, threat investigation, and vulnerability mitigation Conduct risk assessments, audits, and third-party security reviews Collaborate with teams to prioritise remediation, security best practices, and awareness Provide expert technical guidance and detailed reporting on risks and improvement plans Essential Skills and Experience Strong communication and More ❯

About the team: Join our innovative and growing Security Operations (SecOps) Team, where we are dedicated to protecting our organization from evolving threats. We are looking for a skilled and passionate Senior Security Engineer to focus on Threat Detection and Response in a dynamic, hybrid cloud … environment. This is a unique opportunity to lead and enhance our capabilities in detecting, investigating, and responding to security threats. Our Security Operations Team collaborates closely with cross-functional teams across the Information Security organization and external partners. We lead key initiatives, including security monitoring, incident … response, vulnerability management, and threat intelligence, all aimed at strengthening our security posture and ensuring resilience against emerging threats. About the role & what you'll do: As a Senior Security Engineer specializing in Threat Detection and Response, you will be at the forefront of our security 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 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 More ❯

code, create, and ultimately build an open, accessible and fair financial future, one piece of software at a time. We are looking for a Senior Application Security Engineer to join our Security team as we tackle some of the most interesting problems in the crypto space … like how do we securely scale a distributed financial platform that touches millions of people a day. At Security is a mindset and a set of engineering approaches to better protect stakeholders, users and systems by building our creative engineering solutions to hard, sometimes previously unseen problems. The Security team is responsible for the big picture of how systems are designed for Security, and we use a breadth of tools and approaches to solve a broad spectrum of problems. Practices aimed at achieving proactive identification of potential threat actors combined with in-depth investigation of security More ❯

Senior Security Engineer - Detection & Response - EU/UK Remote, UK We are on the lookout for a UK-based Senior Security Engineer to join our Security Operations & Response Team. This role is pivotal in enhancing Marqeta's ability to detect and respond to … threats. You will contribute to the design, documentation, and implementation of a security detection engineering program, participate in on-call rotations and incident response efforts, and collaborate with various teams to assess detection gaps across Marqeta. This role offers the opportunity to directly impact the program through strong technical … contributions. The role reports to the Manager of Security Operations and Response. We work Flexible First . This role can be performed remotely or from our London office. We'd love for you to join us! The Impact You'll Have Perform detection engineering and regularly write/maintain More ❯