1 to 25 of 74 Senior Security Engineer Jobs in England

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 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 ❯

Job Description - Senior Infrastructure Security Engineer (Network) (047748) Senior Infrastructure Security Engineer (Network) 047748 Organisation Organisation - Customers, Communication and Technology Job Position Type - Full Time Location: North Greenwich, London/Hybrid Salary: £62,000 - £70,000 plus fantastic benefits UK Sponsorship availablehowever, candidates are … of time split between the office and home over a 4-week period.Hybrid working arrangements can evolve subject to business requirements. Key Technologies: Network Security (inc. Firewalls), Routing and Switching (WAN/LAN/Datacentre), SDN, Wi-Fi and Cloud Networks. About Us The Networks and Hosting Team, which … It is an exciting time to join the Network team, as you'll be working on large scale network improvement projects such as: network security (firewall) upgrades, network consolidation and integration, widescale refreshes including WAN and data centre network. About the Role The Senior Infrastructure Security Engineer More ❯

Senior Security Engineer, ReSec Red Team Job ID: Amazon Development Center (Tel Aviv) 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 features that set AWS apart in the … 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. About the Role The ReSec Red Team participates in security research, review, 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 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 ❯

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 ❯

Senior Security Engineer 6 month contract Reading/Havant 1 day per week in the offices Our client is looking for a Security Engineer, to provide SME input to in-flight IT and Business projects to embed security requirements, manage risks and enable security by design. RESPONSIBILITIES • Liaise with project stakeholders as an Information Security SME throughout the project lifecycle, including representing the Information Security Advisory team at stage gate meetings. • Perform security risk assessments against projects to determine control requirements and track and report on security requirements levied … on projects/initiatives through to successful implementation • Develop security-related project artefacts/patterns to support consistent security input to projects. • Perform controls validation to ensure that any initial requirements were implemented as expected. • Identify and document any residual risks and engage with the Information 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 ❯

As a Senior Cyber Security Engineer , you will play a key role in supporting the design, implementation, and maintenance of Cyber Security Engineering solutions, controls, and processes across Thames Water's IT and OT environments. You will be responsible for supporting cyber security platform administration … enhancing our security posture, and ensuring that new capabilities are securely deployed in alignment with business objectives. This includes collaborating with stakeholders, supporting compliance efforts, and helping to drive proactive cyber risk reduction. This role requires a deep understanding of security engineering concepts, infrastructure technologies, and best practices. … a solid grasp of IT and OT systems, and a passion for continuous improvement in cybersecurity operations. What you'll be doing as a Senior Cyber Security Engineer Support the creation of secure asset builds and system hardening capabilities across end-user computing and server environments. Collaborate 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 ❯

Cyber Security Engineer Senior Location : Ringwood, Hampshire, + Hybrid Home Working (2 days a week Tues & Thurs in the office post-probation) Salary : Up to £45,000.00 Hours : 37.5 hours per week Contract : Full-time, Permanent Join us as our Cyber Security Engineer Senior … role, you will undertake project and support activities, providing assurance, technical expertise, and guidance as needed. You will input into Information Governance and Cyber security-related calls and incidents, supporting the swift and effective response to mitigate risks and minimise impact. You will engage in activities to continuously improve … our cyber security posture, colleague awareness, and training, as well as helping towards maintaining ISO, CE+ and other relevant standards and accreditations. Additionally, you will support the security and governance functions of the business, working closely with the Technical Director and the wider team. The Skills You Will More ❯

Cyber Security Engineer - Senior Location : Ringwood, Hampshire, + Hybrid Home Working (2 days a week Tues & Thurs in the office post-probation) Salary : Up to £45,000.00 Hours : 37.5 hours per week Contract : Full-time, Permanent Join our client as their Cyber Security Engineer - Senior … role, you will undertake project and support activities, providing assurance, technical expertise, and guidance as needed. You will input into Information Governance and Cyber security-related calls and incidents, supporting the swift and effective response to mitigate risks and minimise impact. You will engage in activities to continuously improve … their cyber security posture, colleague awareness, and training, as well as helping towards maintaining ISO, CE+ and other relevant standards and accreditations. Additionally, you will support the security and governance functions of the business, working closely with the Technical Director and the wider team. The Skills You Will 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 ❯

Cyber Security Engineer - Senior Location : Ringwood, Hampshire, + Hybrid Home Working (2 days a week Tues & Thurs in the office post-probation) Salary : Up to £45,000.00 Hours : 37.5 hours per week Contract : Full-time, Permanent Join our client as their Cyber Security Engineer - Senior More ❯

Senior Security Engineer - 6 month contract Job Type: Contract/Temporary Location: Not specified Job Ref: BBBH50 Date Added: April 23rd, 2025 Consultant: Not specified Working Arrangement: 1 day per week in the offices Our client is looking for a Security Engineer to provide SME … input to in-flight IT and Business projects to embed security requirements, manage risks and enable security by design. RESPONSIBILITIES: Liaise with project stakeholders as an Information Security SME throughout the project lifecycle, including representing the Information Security Advisory team at stage gate meetings. Perform security risk assessments against projects to determine control requirements and track and report on security requirements levied on projects/initiatives through to successful implementation. Develop security-related project artefacts/patterns to support consistent security input to projects. Perform controls validation to ensure that any initial 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 preserves 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 working with UK customers to operate and continuously improve industry-leading security programs and processes. This team More ❯

Senior Product Security Engineer Location: London Salary: £200,000+ A leading global quantitative investment firm is seeking a Senior Product Security Engineer to strengthen the security of its trading systems, cloud infrastructure, and business applications. This is a hands-on, high-impact role … working across a modern tech stack in a fast-paced environment. Key Responsibilities Implement and maintain security controls across low-latency systems and multi-cloud platforms (AWS, Azure, Alibaba Cloud) Collaborate with engineering teams to integrate secure coding practices into the SDLC Conduct threat modeling, vulnerability assessments, and code … reviews Automate security processes through CI/CD integration using SAST, DAST, and related tools Assess third-party vendors and enforce security standards Mentor teams on security architecture and best practices What We’re Looking For Experience in product or application security roles Strong development background More ❯

Senior Product Security Engineer Location: London Salary: £200,000+ A leading global quantitative investment firm is seeking a Senior Product Security Engineer to strengthen the security of its trading systems, cloud infrastructure, and business applications. This is a hands-on, high-impact role … working across a modern tech stack in a fast-paced environment. Key Responsibilities Implement and maintain security controls across low-latency systems and multi-cloud platforms (AWS, Azure, Alibaba Cloud) Collaborate with engineering teams to integrate secure coding practices into the SDLC Conduct threat modeling, vulnerability assessments, and code … reviews Automate security processes through CI/CD integration using SAST, DAST, and related tools Assess third-party vendors and enforce security standards Mentor teams on security architecture and best practices What We’re Looking For Experience in product or application security roles Strong development background More ❯