22 of 22 Remote Senior Security Engineer Jobs in London

Senior Security Engineer (Product Security) Technology London New Senior Security Engineer (Product Security) London Ebury is a global fintech firm dedicated to empowering businesses to expand internationally through tailored and forward-thinking financial solutions. Since our founding in 2009, we've grown to a diverse team of over 1,700 professionals across … your contributions are valued. You'll play a key role in shaping the future of cross-border finance, while advancing your own career in a dynamic, high-growth industry. Senior Security Engineer London Office - Hybrid: 4 days in the office, 1 day working from home Role Overview We are seeking a Senior Security Engineer to embed security throughout our product development lifecycle. You'll work directly with engineering teams to identify and mitigate security risks through threat modeling, secure code reviews, and integrated security tooling across our web and mobile applications. This role is critical to establishing our secure development practices, implementing industry-standard SSDLC processes, and ensuring our financial More ❯

Senior Security Engineer12 Month FTC | England | Remote £60,000 - £70,000 per annum Is this the Senior Security Engineer role for you? Crone Corkill are assisting a large, global client as they look to add a Senior Security Engineer to the team. As they’re currently going through the process of being … term contract, with a view to go perm thereafter. Please note that all hires the business makes year will be initial FTCs.Working as part of a well skilled Cyber Security team, you’ll be key in a variety of upcoming projects and tasks, including the implementation and full ownership of Splunk Enterprise Security, coverage of L3 & L4 incidents … in collaboration with the security team, Defender for Endpoint security, Mimecast email security and vulnerability management via Nessus, to name a few.Collaboration is key within this position, and you’ll regularly correspond with stakeholders, technical teams, non-technical teams and other businesses within the group, requiring you to make suggestions and achieve buy in from various contacts.This More ❯

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

Our client is fast growing Commodities Focused Financial Services Firm based in London with Offices in US and Asia. They are seeking ro recruit a Senior Security Engineer to join their London team. Reporting to the IT Security Officer, you will work alongside the IT Security Engineer as part of a 3-man IT … Security team. As the Senior Security Engineer, you will implement and maintain robust security systems and protocols across the our IT infrastructure. You will conduct risk assessments and vulnerability scans, mitigate vulnerabilities identified in penetration testing, and implement preventative measures to protect against cyber threats. You will monitor the security infrastructure and detect and … respond to potential threats. You will help mentor and develop the IT security engineer and collaborate with the IT team to ensure compliance with security standards and best practices; you will essentially be a key technical leader in safeguarding sensitive data and systems. Key Responsibilities/Duties Manage WAF and DDoS systems Manage the Web Security More ❯

Our client is a fast-growing Commodities-Focused Financial Services Firm based in London with offices in the US and Asia. They are seeking to recruit a Senior Security Engineer to join their London team. Reporting to the IT Security Officer, you will work alongside the IT Security Engineer as part of a … man IT Security team. As the Senior Security Engineer, you will implement and maintain robust security systems and protocols across the IT infrastructure. You will conduct risk assessments and vulnerability scans, mitigate vulnerabilities identified in penetration testing, and implement preventative measures to protect against cyber threats. You will monitor the security infrastructure, detect and … respond to potential threats, and help mentor the IT security engineer. You will collaborate with the IT team to ensure compliance with security standards and best practices, acting as a key technical leader in safeguarding sensitive data and systems. Key Responsibilities/Duties Manage WAF and DDoS systems Manage the Web Security Gateway Manage the Email Security More ❯

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

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

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

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

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

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

going places! This is where you come in. The Opportunity As IAG Loyalty evolves into a Platform as a Service business, we're looking for a talented and passionate Senior Application Security Engineer to join our security engineering team. You'll have a background in software engineering and a deep interest in application and API security. … You thrive on collaboration, enjoy helping others grow, and see security as an enabler - not a blocker. You'll be an AppSec advocate who supports our engineers in identifying and addressing security issues across the software development lifecycle. You'll be part of a small, dynamic team within the Product department that drives IAG Loyalty's digital transformation … also be required to work from one of our other office or partner locations, based on your role and 'to do' list. What you'll be doing As a Senior Application Security Engineer, you'll lead the application security practice within the IAG Loyalty security team, taking responsibility for key security KPIs in this More ❯

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

Senior Security Engineer (AWS) Apply locations London, UK Full time Posted 30+ Days Ago Job requisition id JR100319 Who we are We're the people behind the global loyalty currency, Avios, and home to three ambitious, growing businesses: IAG Loyalty, British Airways Holidays, and The Wine Flyer. Each business has its own goals and strategy, but collectively … This is where you come in. The Opportunity IAG Loyalty is evolving into a Platform as a Service business. We are seeking a highly capable individual to join our security team. The ideal candidate will have a strong technical background and experience in implementing security controls within cloud and DevOps environments. They should be comfortable working in a … cloud-native setting with rapid technological changes. The role involves leading security engineering initiatives, managing security tools, and overseeing a small team of security engineers. This position is based in our London office. We offer a hybrid working model called The Blend , providing flexibility to work remotely or in-office at least two days a week, with 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 ❯

Cyber Security Engineer required by a London financial brokerage ( near Bank station ), paying up to £85k + bonus + benefits. Hybrid role (3 days office-based). Join a focused 3-person IT Security team, reporting to the IT Security Officer, to implement and maintain robust security across their infrastructure. Key responsibilities include managing WAF …/DDoS, security gateways, SIEM/SOAR/EDR, firewalls, MFA/SSO, MDM/MAM, vulnerability scans, and incident response. Key Responsibilities: Manage WAF/DDoS, web/email security gateways, SIEM/SOAR/EDR (alert response), firewalls, MFA/SSO, MDM/MAM, vulnerability scans/remediation, security certificates, IDS/IPS, PAM, and … deliver security awareness training. Remediate penetration test findings and contribute to ad-hoc projects. Experience: CrowdStrike EDR, Mimecast, Duo, Okta, Rapid7 IVM/IDR, Palo Alto Firewalls, InTune, and Entra ID/Azure AD/Group Policy. Experience: Familiarity with Imperva WAF/DDoS, Menlo, Cisco security, KnowBe4, Digicert, patching tools, web application scanners, and Kali Linux, AI More ❯

Senior Cyber & Infrastructure Engineer Location: Hybrid (London-based) Sector: Financial Services Employment Type: Full-Time A leading financial services organisation is seeking an experienced Senior Cyber & Infrastructure Engineer to play a key role in the evolution of its Microsoft cloud infrastructure and cyber security strategy. This is an excellent opportunity for a technically skilled and … security-focused professional to join a high-performing IT team at the centre of a modern, regulated business. The successful candidate will lead on cloud infrastructure development, security architecture, and risk mitigation - ensuring systems are scalable, secure, and aligned with regulatory expectations. Key Responsibilities: Design, implement and optimise secure, scalable Microsoft Azure and Microsoft 365 infrastructure. Manage and … enhance the organisation's security posture using Microsoft Defender for Endpoint, Sentinel, Intune, and other Microsoft security tools. Lead cloud migration projects and hybrid infrastructure initiatives. Maintain robust access controls, including RBAC and Conditional Access, within Azure AD and Microsoft 365. Collaborate with Risk and Compliance teams to ensure infrastructure aligns with enterprise security frameworks (e.g. ISO More ❯

Principal/Senior Principal Software Engineer - Email Security The driving force behind our award-winning Email Security Product at Mimecast Dive into the forefront of innovation with our Email Security engineering team. Our pioneering Email Security solution pushes on the boundaries of what's possible, leveraging the latest technologies and tooling in AWS. Why … Join Our Team? "Join us in tackling email processing challenges at an immense scale with our innovative Email Security team! Our MTA process billions of emails from millions of users on thousands of servers each day!" - Hiring Manager What You'll Do? As Principal/Senior Principal Engineer, you will play a pivotal role in leading the … Code. Engage with the team through collaboration, problem-solving, and teamwork. Continually improve team efficiency, personal skills, and team skills. Take ownership and create accountability within the team. Lead security reviews of designs and implementations. Act as a technical lead within the team, fostering collaboration and teamwork. Apply technology trends and industry innovations to our products. Coach and mentor More ❯

want 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. Protocol Security 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): Develop onchain security strategies and perform security assessments and threat modeling of various blockchain protocols. Lead from the front, be proactive and thorough, and identify top onchain security risks and develop strategies to deal with them. Provide expert technical guidance to the team in building new frameworks … analysis tools, and security products. Lead the way in establishing best practices and engage with product and eng teams to get them adopted. Coach and mentor Protocol Security team members to build new skills and be crypto-forward. Guide Protocol Security to the cutting-edge of security technologies for blockchain protocols and help set standards for More ❯

a whole. Our team is a quickly growing group of committed researchers, engineers, policy experts, and business leaders working together to build beneficial AI systems. About the role: The Security Engineering team's mission is to safeguard our AI systems and maintain the trust of our users and society at large. Whether we're developing critical security infrastructure … building secure development practices, or partnering with our research and product teams, we are committed to operating as a world-class security organization and keeping the safety and trust of our users at the forefront of everything we do. Responsibilities: Build security for large-scale AI clusters, implementing robust cloud security architecture including IAM, network segmentation, and … encryption controls Design secure-by-design workflows across our services and cloud infrastructure, with expertise in AWS/GCP security services, Kubernetes security, and container orchestration Mentor engineers and contribute to hiring and growth of the Security team You may be a good fit if you have: 7+ years of software engineering experience implementing and maintaining critical More ❯

Come make an impact on the communities we serve as you help us advance health equity on a global scale. Join us to start Caring. Connecting. Growing together. A Security Logging Engineer partners with ESRO Cyber Defense Teams to build, customize and distribute Security Log Solutions for on-prem and in the cloud systems. Work alongside the … top Google SecOps engineers in the company to ensure our pipelines feeding SecOps are as efficient, reliable and cost effective as possible. ESRO Security Logging Team and ESRO Cyber-Defense teams both utilize the same workload software which produces a seamless workflow, a quicker time-to-deliver, and partnerships that offer focused value. We work with platform owners across … the enterprise to provide support and education around the security events their platforms produce. We deliver world-class event pipelines tailored for each owner's platform. Careers with Optum offer flexible work arrangements and individuals who live and work in the Republic of Ireland will have the opportunity to split their monthly work hours between our London office and More ❯

Social network you want to login/join with: Senior Principal Software Engineer - Email Security, London col-narrow-left Client: Mimecast Location: London, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Reference: 2c88b1d698b4 Job Views: 5 Posted: 12.08.2025 Expiry Date: 26.09.2025 col-wide Job Description: Why Join Our Team? What Youll … Code. Engage with the team through collaboration, problem-solving, and teamwork. Continually improve team efficiency, personal skills, and team skills. Take ownership and create accountability within the team. Lead security reviews of designs and implementations. Act as a technical lead within the team, fostering collaboration and teamwork. Apply technology trends and industry innovations to our products. Coach and mentor More ❯