101 to 125 of 347 Senior Security Engineer Jobs in the UK

a passion to make an impact. Harnessing our innovative technologies and strong partnerships, we aim to make travel easy and rewarding for everyone. Get to Know our Team: The Security Department oversees security, compliance, GRC, and security operations for all Agoda. We are vigilant in ensuring there is no breach or vulnerability threatening our company or endangering … advanced environment. The Opportunity: You will be working in a fast paced DevSecOps environment where code change happens at a rapid speed and where it is paramount to control security testing into a continuous deployment/integration flow. In this Role, you'll get to: Play a lead role in developing and designing application-level security controls and … standards. Perform application security design reviews against new products and services. Track and prioritize all security issues. Build internal security tools that help fix security problems at scale. Perform code review and drive remediation of discovered issues. Enable automated security testing at scale to measure vulnerability, and report on risk across all microservice, web and More ❯

a passion to make an impact. Harnessing our innovative technologies and strong partnerships, we aim to make travel easy and rewarding for everyone. Get to Know our Team: The Security Department oversees security, compliance, GRC, and security operations for all Agoda. We are vigilant in ensuring there is no breach or vulnerability threatening our company or endangering … advanced environment. The Opportunity: You will be working in a fast paced DevSecOps environment where code change happens at a rapid speed and where it is paramount to control security testing into a continuous deployment/integration flow. In this Role, you'll get to: Play a lead role in developing and designing application-level security controls and … standards. Perform application security design reviews against new products and services. Track and prioritize all security issues. Build internal security tools that help fix security problems at scale. Perform code review and drive remediation of discovered issues. Enable automated security testing at scale to measure vulnerability, and report on risk across all microservice, web and More ❯

we’re building the next generation of digital health – AI-powered, privacy-first, clinically backed – to help our users know their body better. The job Your role as the Security Engineer will be pivotal in supporting Flo Health’s overall security posture. Working alongside our small but powerful Security team, you will help protect our applications … and infrastructure by managing vulnerabilities, responding to incidents, and implementing security measures at scale. You’ll also contribute to developing custom tooling and embedding security best practices into our product lifecycle to ensure we stay ahead of emerging threats. What you will do: Developing regular touchpoints with key stakeholders. Manage Vulnerabilities: Triage newly discovered vulnerabilities, investigate potential risks … verify that fixes are effective, and drive remediation efforts across teams. Implement Security Measures: Support teams by configuring WAF rules, setting rate limits, and deploying additional controls to protect our environment. Develop Custom Security Tooling: Contribute to the creation and maintenance of in-house tools that enhance our security capabilities and automation. Product Security Support: Assist More ❯

So whatever your background, we’re sure there’s something for you here. Come help us build the future of Web3 and digital ownership. About the Opportunity Our Product Security Squad is a dynamic blend of proactive defenders and inquisitive problem-solvers. We're dedicated to fortifying our systems through rigorous security reviews, hands-on penetration testing, and … manage our Bug Bounty program, ensuring swift response and remediation, and leverage cutting-edge tools like Cloudflare's WAF to build robust defenses. We offer an extensive number of security services to our Engineering teams including cloud security, tailored security advice, threat modelling and penetration testing. Collaboration is key, as we embed security best practices throughout … the SDLC. Crucially, we are expanding our capabilities in security automation and vulnerability management, integrating tooling directly into development workflows and driving efficient vulnerability resolution across the organization. We are constantly researching emerging threats, crafting effective mitigation strategies, empowering our engineering teams with comprehensive training, maintaining up-to-date security standards, and leading incident response with precision. We More ❯

a passion to make an impact. Harnessing our innovative technologies and strong partnerships, we aim to make travel easy and rewarding for everyone. Get to Know our Team: The Security Department oversees security, compliance, GRC, and security operations for all Agoda. We are vigilant in ensuring there is no breach or vulnerability threatening our company or endangering … advanced environment. The Opportunity: You will be working in a fast paced DevSecOps environment where code change happens at a rapid speed and where it is paramount to control security testing into a continuous deployment/integration flow. In this Role, you’ll get to: Play a lead role in developing and designing application-level security controls and … standards. Perform application security design reviews against new products and services. Track and prioritize all security issues. Build internal security tools that help fix security problems at scale. Perform code review and drive remediation of discovered issues. Enable automated security testing at scale to measure vulnerability, and report on risk across all microservice, web and More ❯

a passion to make an impact. Harnessing our innovative technologies and strong partnerships, we aim to make travel easy and rewarding for everyone. Get to Know our Team: The Security Department oversees security, compliance, GRC, and security operations for all Agoda. We are vigilant in ensuring there is no breach or vulnerability threatening our company or endangering … advanced environment. The Opportunity: You will be working in a fast paced DevSecOps environment where code change happens at a rapid speed and where it is paramount to control security testing into a continuous deployment/integration flow. In this Role, you’ll get to: Play a lead role in developing and designing application-level security controls and … standards. Perform application security design reviews against new products and services. Track and prioritize all security issues. Build internal security tools that help fix security problems at scale. Perform code review and drive remediation of discovered issues. Enable automated security testing at scale to measure vulnerability, and report on risk across all microservice, web and More ❯

Senior Security Engineer - Security Automation Join or sign in to find your next job Join to apply for the Senior Security Engineer - Security Automation role at Tesco Senior Security Engineer - Security Automation 1 week ago Be among the first 25 applicants Join to apply for the Senior Security Engineer - Security Automation role at Tesco Get AI-powered advice on this job and more exclusive features. Our cyber security team are the eyes and ears of our organisation. We use pioneering technology to increase visibility and protection of systems, services, and data. To do this we need to stay ahead of the latest … threats and continuously improve our tooling, techniques, and processes. We’re continually working to step change security capability to further improve the protection and controls that we offer for our customers and colleagues across the UK, Europe, and Asia, and we’re looking to add phenomenal people to our growing team. We believe that skilled and passionate people are More ❯

Senior Software Development Engineer - Security Automation, AWS Security OpRes Job ID: 2935501 | Amazon Data Services France SAS Amazon Security customers demand the highest quality and reliability for their services. We continuously strive to simplify and scale security operations while resolving complex issues. We are looking for highly motivated Software Developers to help build and … scale security incident response platforms and tooling across the largest cloud provider in the world. Amazon Security OpRes is a team of Security Engineers and Software Development Engineers dedicated to enhancing security incident response through automation and innovation. Our mission involves optimizing existing processes while pioneering new solutions. We maintain and improve production services, developing advanced … long-term innovation projects, working backwards from customer needs, analyzing data, and prototyping disruptive solutions with leadership oversight. Leveraging modern technologies and Amazon's robust services, we empower our security response teams with productivity-boosting tools. At a massive scale, we build innovative platforms that fortify Amazon's security. Through continuous improvement and customer-centric innovation, we redefine the 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 ❯

Job ID: 2834809 | Amazon Data Services Ireland Limited Come and build innovative services that protect our cloud from advanced security threats! As a Senior Security Engineer on our team, you’ll help build and manage services that detect and automate the mitigation of cybersecurity threats across Amazon’s infrastructure, including advanced persistent threats. You’ll work … with data scientists, software development engineers, and other security engineers across multiple teams to develop innovative security solutions at a massive scale. Our services protect the AWS cloud for all customers and help 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 … every single AWS customer, both internally and externally, from security threats – not many teams can say that! Key job responsibilities - Research, identify, and prioritize security problems that can be detected using automation - Develop detection prototypes for these security problems to enhance detection capabilities - Identify opportunities to prevent security issues at scale - Mentor and develop teammates both More ❯

to bring 1B+ people onchain in the most secure way possible. We want to provide them secure platforms and tools to build and interact with exciting applications. The Protocol Security team ensures the security of all onchain development at Coinbase. We partner closely with product teams to make sure that our users can safely and confidently engage with … the onchain world. What you'll be doing (ie. job duties): Perform threat modeling and security assessments of blockchain products and services. Propose, plan, and execute Red Team operations based on realistic threats. Write detailed reports covering the goals and outcomes of Red Team operations, including significant observations and recommendations. Collaborate with partner teams to improve detection and response … capabilities. Provide expert technical guidance to the team in building new security frameworks and analysis tools. Stay informed on current security trends, advisories, publications, and academic research. What we look for in you (ie. job requirements): Bachelor's or Master's degree in Computer Science, Cyber security, Software Engineering, or a related field. 3+ years of blockchain More ❯

to bring 1B+ people onchain in the most secure way possible. We want to provide them secure platforms and tools to build and interact with exciting applications. The Protocol Security team ensures the security of all onchain development at Coinbase. We partner closely with product teams to make sure that our users can safely and confidently engage with … the onchain world. What you’ll be doing (ie. job duties): Perform threat modeling and security assessments of blockchain products and services. Propose, plan, and execute Red Team operations based on realistic threats. Write detailed reports covering the goals and outcomes of Red Team operations, including significant observations and recommendations. Collaborate with partner teams to improve detection and response … capabilities. Provide expert technical guidance to the team in building new security frameworks and analysis tools. Stay informed on current security trends, advisories, publications, and academic research. What we look for in you (ie. job requirements): Bachelor’s or Master’s degree in Computer Science, Cyber security, Software Engineering, or a related field. 3+ years of blockchain More ❯

Job Description Senior Network & Security Engineer – Cloud Migration (Contract) Location: Edinburgh/Hybrid Contract Length: 3 Month Initial Contract Day Rate: Approx £550 - £600 Inside IR35 Start Date: ASAP We’re looking for an experienced Senior Network & Security Engineer to lead a large-scale cloud migration project for a major Banking client. You'll … play a key role in transforming on-prem infrastructure into secure, scalable cloud environments (Azure/AWS). Key Responsibilities: Design and implement network and security solutions across hybrid environments Lead firewall, data center, and cloud migrations Configure and manage Cisco (ASA, Firepower, ISE, ACI), Palo Alto, Checkpoint Optimize routing (BGP, OSPF), Layer 2/3 switching , and SD … WAN deployments Ensure cloud and network security compliance with best practices What You Bring: Experience working within Financial Services Strong hands-on experience in network infrastructure & security engineering Proven background in cloud migration projects (Azure/AWS) In-depth knowledge of enterprise firewalls, network protocols, and cloud architecture #J-18808-Ljbffr More ❯

Social network you want to login/join with: Senior Cyber Security Engineer, London (City of London) Client: Siena Partnership Location: London (City of London), United Kingdom Job Category: Other - EU work permit required: Yes Job Views: 3 Posted: 16.06.2025 Expiry Date: 31.07.2025 Job Description: Senior Cybersecurity Engineer required by a Financial Services client. This … is an 'outside' IR35 contract role which is remote-first, with infrequent travel to the City of London. The role is within a small UK Security Engineering team and involves a mix of project work, tactical improvements, and BAU tasks, with a focus on project work. Key projects include: Privileged Access Management (PAM) Data Loss Prevention (including AI elements … Managed Services Security Providers (MSSP) The ideal candidate will have a security engineering background with experience across projects and BAU, contribute to design, and work effectively in a fast-paced, regulated environment. Full job description available upon request. Key requirements include: Experience with Endpoint Detection and Response, WAF, Privileged Access Management, Cloud Security, CASB, Firewalls, SIEM platforms More ❯

Social network you want to login/join with: 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 cross-team collaboration abilities Expertise in security operations, architecture, and engineering Deep technical knowledge of vulnerabilities, exploits, IDS/IPS 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 cross-team collaboration abilities Expertise in security operations, architecture, and engineering Deep technical knowledge of vulnerabilities, exploits, IDS/IPS, DLP, and firewalls Experience with cloud and hybrid security 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 cross-team collaboration abilities Expertise in security operations, architecture, and engineering Deep technical knowledge of vulnerabilities, exploits, IDS/IPS, DLP, and firewalls Experience with cloud and hybrid security More ❯

Senior IT Security Engineer - Zero Trust, ISO27001, NIST Permanent Salary 60 - 85K plus bonus and benefits On-site - Central London Our client, is a well established, successful trading company. With offices worldwide, this position will be based in the UK and is required onsite at least 4 days per week. This is a new role for the … company and will report to the Head of Security/Operations. You will be responsible for all aspects of Security from setting up frameworks eg NIST, ISO27001, setting up PIM/PAM etc, managing the SOC, sourcing new vendors, managing the cloud security and architecture, working closely with the Compliance team and the Infrastructure teams. This is … a varied position for someone with a strong technical background who is looking to take on a Senior role whilst still being very hands on. Experience required Familiar with NIST, ISO 27001, ITIL Azure - 5 years experience Info Sec (Azure AD, Defender, Sentinel) Audits and report writing Assessments Vulnerability Management and Pen Testing Zero Trust Architecture Automation (eg powershell 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 and secure development processes to engineering teams working in mixed cloud and operating systems environments. Location/WFH: You'll join colleagues based in high spec offices with free breakfast and More ❯

Join to apply for the Senior Network Security Engineer role at OpticoreIT 3 days ago Be among the first 25 applicants Join to apply for the Senior Network Security Engineer role at OpticoreIT Opticore IT is a specialist Network Engineer and Project Management consultancy offering a wide variety of opportunities to work within … fast-paced, challenging environments across our client base spanning multiple sectors including Finance, Broadcast Media, Telecommunications and more. Opticore IT is currently searching for a Senior Network Security Engineer to join one of our Financial Services clients for designing, implementing, managing and optimising their complex Network and Security Infrastructure. This opportunity is a hybrid position with … let us know if you require any adjustments to be made with your application or interview process so please speak to our recruitment team. Seniority level Seniority level Mid-Senior level Employment type Employment type Full-time Job function Job function Information Technology Industries IT Services and IT Consulting Referrals increase your chances of interviewing at OpticoreIT by 2x More ❯

Senior Security Engineer - Hedge Fund - up to £185,000 + bonus Senior Security Engineer - Hedge Fund - up to £185,000 + bonus Get AI-powered advice on this job and more exclusive features. Direct message the job poster from Hunter Bond Executive Recruiter | Trading Technology & Infrastructure | UK, US, Europe, APAC, Canada Job title : Senior Security Engineer Client : World-Leading Hedge Fund Salary : Up to £185,000 (negotiable DOE) + bonus + exceptional benefits Location : London An award-winning Hedge Fund in London is looking for a talented and passionate Senior Security Engineer to join their world-class team. This is the perfect opportunity work in one of the … most talented security teams in the world, whilst taking ownership over highly exciting and mission-critical, greenfield security projects at one of the most successful names in the world of FinTech. You will work with next-gen tech and collaborate with some of the brightest minds in the industry. Desired Experience (full job spec available): Strong experience working More ❯

A medium-sized law firm is seeking a Senior Security Engineer to join its Infrastructure team, with a focus on designing and implementing secure, scalable technologies that protect the firm’s systems and data. This role will work closely with the Security & Risk team to ensure all infrastructure solutions are aligned with established security best … including firewalls, VPNs, and zero trust models—across endpoints, data centres, and cloud environments, as well as implementing secure configurations for Azure IaaS, PKI systems, and segmented networks. The engineer will also play a key role in automating security operations, and scripting skills are required. Candidates should bring hands-on experience in security engineering and a strong … understanding of both traditional and cloud-native security technologies. A background in network architecture, particularly with tools like Palo Alto firewalls, Cisco Meraki and micro segmentation platforms, is essential. Knowledge of PowerShell, Python, or similar scripting languages is highly desirable, along with the ability to think analytically and communicate effectively across teams. Relevant security and cloud certifications such More ❯

A medium-sized law firm is seeking a Senior Security Engineer to join its Infrastructure team, with a focus on designing and implementing secure, scalable technologies that protect the firm’s systems and data. This role will work closely with the Security & Risk team to ensure all infrastructure solutions are aligned with established security best … including firewalls, VPNs, and zero trust models—across endpoints, data centres, and cloud environments, as well as implementing secure configurations for Azure IaaS, PKI systems, and segmented networks. The engineer will also play a key role in automating security operations, and scripting skills are required. Candidates should bring hands-on experience in security engineering and a strong … understanding of both traditional and cloud-native security technologies. A background in network architecture, particularly with tools like Palo Alto firewalls, Cisco Meraki and micro segmentation platforms, is essential. Knowledge of PowerShell, Python, or similar scripting languages is highly desirable, along with the ability to think analytically and communicate effectively across teams. Relevant security and cloud certifications such More ❯

A medium-sized law firm is seeking a Senior Security Engineer to join its Infrastructure team, with a focus on designing and implementing secure, scalable technologies that protect the firm’s systems and data. This role will work closely with the Security & Risk team to ensure all infrastructure solutions are aligned with established security best … including firewalls, VPNs, and zero trust models—across endpoints, data centres, and cloud environments, as well as implementing secure configurations for Azure IaaS, PKI systems, and segmented networks. The engineer will also play a key role in automating security operations, and scripting skills are required. Candidates should bring hands-on experience in security engineering and a strong … understanding of both traditional and cloud-native security technologies. A background in network architecture, particularly with tools like Palo Alto firewalls, Cisco Meraki and micro segmentation platforms, is essential. Knowledge of PowerShell, Python, or similar scripting languages is highly desirable, along with the ability to think analytically and communicate effectively across teams. Relevant security and cloud certifications such More ❯

Senior Cyber Security Engineer - Crypto Sector Location : London (Hybrid - Office & Remote) Salary : £150,000+ (Yearly) About the Role A leading global crypto exchange is seeking a Senior Cyber Security Engineer to join its security engineering team. This role is focused on designing and delivering security solutions and services to protect digital assets … infrastructure, and customer data. The ideal candidate will have a strong background in cybersecurity, particularly within banking or financial institutions, and a deep understanding of modern security technologies and best practices. Key Responsibilities Design, implement, and manage security solutions to protect the organisation's digital assets and services. Develop and enhance SIEM platforms such as Splunk or Google … Chronicle within an enterprise environment. Automate security processes using tools like Terraform, Ansible, and GitHub Actions to enhance DevSecOps capabilities. Strengthen security for APIs, Kubernetes, and containerized environments, ensuring robust workload protection. Deploy and manage security tools including IDS/IPS, WAF, Web Proxy, EDR, PAM, DLP, and anti-malware solutions. Monitor and assess emerging threats, providing More ❯