1 to 25 of 61 Senior Security Engineer Jobs in London

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, 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 Security Engineer, Retail Engineering London, England, United Kingdom Software and Services Add to Favourites Senior Security Engineer, Retail Engineering Description Minimum Qualifications Experience in an existing security engineer, security consultant, security architect, penetration tester or similar role. Expertise in … s degree in Computer Science or related field (or equivalent experience). Experience with CTFs, bug bounty programs, or published research. Add to Favourites Senior Security Engineer, Retail Engineering 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 Cyber Security Engineer – Investment Management 💰 £££ Competitive Day Rate | Contract with Perm Option 📍 Central London | Hybrid Working ✅ Senior-level Cyber Security Engineer ✅ Core security disciplines – infrastructure, cloud, identity, threat, risk ✅ Initial contract with an option to convert to permanent employment You'll be … working for a well-established investment management firm as a Senior Cyber Security Engineer , helping to shape and secure their growing tech environment. This is a hands-on, high-trust role where your broad security knowledge will directly impact infrastructure, cloud, data, and application integrity. The … Role: Deliver security engineering across network, cloud, and endpoint infrastructure Support detection, response, and threat modelling Help mature identity & access management controls Lead on vulnerability remediation and risk assessments Act as SME in cross-functional projects involving security tooling & design What You Need: ✔ Proven experience in senior More ❯

Senior Cyber Security Engineer – Investment Management 💰 £££ Competitive Day Rate | Contract with Perm Option 📍 Central London | Hybrid Working ✅ Senior-level Cyber Security Engineer ✅ Core security disciplines – infrastructure, cloud, identity, threat, risk ✅ Initial contract with an option to convert to permanent employment You'll be … working for a well-established investment management firm as a Senior Cyber Security Engineer , helping to shape and secure their growing tech environment. This is a hands-on, high-trust role where your broad security knowledge will directly impact infrastructure, cloud, data, and application integrity. The … Role: Deliver security engineering across network, cloud, and endpoint infrastructure Support detection, response, and threat modelling Help mature identity & access management controls Lead on vulnerability remediation and risk assessments Act as SME in cross-functional projects involving security tooling & design What You Need: ✔ Proven experience in senior More ❯

Senior Security Engineer, ReSec Red Team AWS Utility Computing (UC) provides product innovations - from foundational services such as Amazon's Simple Storage Service (S3) and Amazon Elastic Compute Cloud (EC2), to new product releases that set AWS apart in the industry. As part of the UC organization … Internet of Things (IoT), Platform, and Productivity Apps services in AWS. Within AWS UC, Amazon Dedicated Cloud (ADC) roles engage with customers requiring specialized security solutions for their cloud services. The ReSec Red Team participates in security research, penetration testing, threat modeling, and design. We are seeking a … Senior Security Engineer with a focus on database security to ensure our services and applications adhere to the highest security standards. Passion for security, vulnerability research, and database technologies is essential. Responsibilities Conduct security research, vulnerability assessments, and penetration testing. Design and implement 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 ❯

Senior Offensive Security Engineer Salary: £90,000 - £110,000 per annum Location: UK - Remote You'll be responsible for identifying and mitigating security vulnerabilities across software products through a combination of secure code review, penetration testing, security assessments, and the development of custom tooling. This … collaboration with engineering teams to embed secure development practices throughout the software life cycle - ensuring potential risks are addressed early in the development process. Senior Offensive Security Engineer - Responsibilities: Conduct deep technical offensive security assessments against complex, distributed systems to uncover critical vulnerabilities across cloud, web … party integrations. Build and maintain automation and tooling to scale offensive testing across products and teams. Operate as a subject matter expert in offensive security, supporting risk-based product design decisions and architecture reviews. Contribute to threat modelling, red teaming strategy, and secure development practices throughout the product life More ❯

integrity are components of a work ethic taken very seriously since the company was founded in 1959. Tradition is currently seeking to appoint a Senior IT Security Engineer to be based in our London office. Main responsibilities within the Senior IT Security Engineer position … include: Support Information Security risk management, compliance activities, and governance initiatives. Collaborate with stakeholders to identify, document, and mitigate security risks through effective controls. Work with key software and service vendors to manage security products and solutions. Lead and support security incident response, including investigation, containment … and remediation. Deploy, manage, and continuously improve security tools, including vulnerability management, identity management, and attack surface monitoring. Analyse emerging threats and vulnerabilities, leveraging threat intelligence to proactively mitigate risks Perform proactive threat hunting, research, and analysis, delivering actionable intelligence to IT and security teams Perform security More ❯

integrity are components of a work ethic taken very seriously since the company was founded in 1959. Tradition is currently seeking to appoint a Senior IT Security Engineer to be based in our London office. Main responsibilities within the Senior IT Security Engineer position … include: Support Information Security risk management, compliance activities, and governance initiatives. Collaborate with stakeholders to identify, document, and mitigate security risks through effective controls. Work with key software and service vendors to manage security products and solutions. Lead and support security incident response, including investigation, containment … and remediation. Deploy, manage, and continuously improve security tools, including vulnerability management, identity management, and attack surface monitoring. Analyse emerging threats and vulnerabilities, leveraging threat intelligence to proactively mitigate risks Perform proactive threat hunting, research, and analysis, delivering actionable intelligence to IT and security teams Perform security 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 ❯

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 ❯

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 More ❯

together and collaborate as one team. All of these while having fun truly makes FlexTrade a wonderful place to work. The Team As a Senior Security Engineer, you will be responsible for designing, implementing, and maintaining our organization's security infrastructure and systems. You will play … ensuring the confidentiality, integrity, and availability of our systems, networks, and data. You will collaborate closely with cross-functional teams to identify and mitigate security risks, develop and enforce security policies. Additionally, you will lead security-related projects, mentor junior security engineers, and stay updated with … the latest industry trends and emerging threats. Our mission is to provide strong and reliable security for our IT infrastructure. We strive to be recognized for our excellence in safeguarding our systems and supporting our Application teams, Clients and the larger ITSMission. Responsibilities Develop and implement comprehensive security More ❯

Senior Cloud & Apps Security Engineer - £80,000 - £110,000 + Bonus + Benefits London/Remote AWS, Azure, Kubernetes, Service Mesh, API gateways, and API security, Python, JavaScript, GoLang, Terraform, CloudFormation (AWS), and Azure Resource Manager (ARM) templates. Are you passionate about cloud security and … eager to engineer robust security solutions within AWS and Azure environments? We are seeking Senior Cloud & Application Security Engineers to help our client define and implement its cloud security strategy. If you're an experienced Security Engineering professional excited to work with cutting-edge … technology and collaborate with diverse teams, we want to hear from you! Key Skills: Strong understanding of cloud and application security concepts, including secure coding practices, threat modeling, vulnerability management, and access control mechanisms. Experience with AWS, Azure, Kubernetes, Service Mesh, API gateways, and API security (authentication and More ❯

Senior Cloud & Apps Security Engineer - £80,000 - £110,000 + Bonus + Benefits London/Remote AWS, Azure, Kubernetes, Service Mesh, API gateways, and API security, Python, JavaScript, GoLang, Terraform, CloudFormation (AWS), and Azure Resource Manager (ARM) templates. Are you passionate about cloud security and … eager to engineer robust security solutions within AWS and Azure environments? We are seeking Senior Cloud & Application Security Engineers to help our client define and implement its cloud security strategy. If you're an experienced Security Engineering professional excited to work with cutting-edge … technology and collaborate with diverse teams, we want to hear from you! Key Skills: Strong understanding of cloud and application security concepts, including secure coding practices, threat modeling, vulnerability management, and access control mechanisms. Experience with AWS, Azure, Kubernetes, Service Mesh, API gateways, and API security (authentication and More ❯

Senior Cloud & Apps Security Engineer - £80,000 - £110,000 + Bonus + Benefits Remote/London 1-2 days p/m AWS, Azure, Kubernetes, Service Mesh, API gateways, and API security, Python, JavaScript, GoLang, Terraform, CloudFormation (AWS), and Azure Resource Manager (ARM) templates. Are you … passionate about cloud security and eager to engineer robust security solutions within AWS and Azure environments? We are seeking Senior Cloud & Application Security Engineers to help our client define and implement its cloud security strategy. If you're an experienced Security Engineering professional … work with cutting-edge technology and collaborate with diverse teams, we want to hear from you! Key Skills: Strong understanding of cloud and application security concepts, including secure coding practices, threat modeling, vulnerability management, and access control mechanisms. Experience with AWS, Azure, Kubernetes, Service Mesh, API gateways, and API More ❯

Senior Cloud & Apps Security Engineer - £80,000 - £110,000 + Bonus + Benefits Remote/London 1-2 days p/m AWS, Azure, Kubernetes, Service Mesh, API gateways, and API security, Python, JavaScript, GoLang, Terraform, CloudFormation (AWS), and Azure Resource Manager (ARM) templates. Are you … passionate about cloud security and eager to engineer robust security solutions within AWS and Azure environments? We are seeking Senior Cloud & Application Security Engineers to help our client define and implement its cloud security strategy. If you're an experienced Security Engineering professional … work with cutting-edge technology and collaborate with diverse teams, we want to hear from you! Key Skills: Strong understanding of cloud and application security concepts, including secure coding practices, threat modeling, vulnerability management, and access control mechanisms. Experience with AWS, Azure, Kubernetes, Service Mesh, API gateways, and API More ❯

Job title: Senior Security Engineer Client: Fintech trading firm Salary: Up to £170,000 + Bonus/Benefits Location: London (hybrid) Experience level : 5+ years An elite systematic trading firm is seeking a Security Engineer to play a key role in strengthening their global security posture. As a subject matter expert, you’ll lead initiatives across network, cloud, data, and system security guiding critical IT projects, running threat models for complex systems, and building automation to validate controls and resilience. You'll act as the escalation point for Security Operations, driving swift … resolution of advanced threats and shaping the long-term security roadmap. This is a high-impact role for a proactive, driven security expert ready to take the lead in a cutting-edge fintech environment. Key Responsibilities Enhance security across critical domains including network, system, cloud, email, and More ❯