26 to 50 of 52 Senior Security Engineer Jobs in England

Job Title: Senior Application Security EngineerSalary: £70,000Location: Reading/remote About the Organisation Join a fast-growing UK technology and consulting firm that's investing heavily in cutting-edge cyber security. With a strong focus on innovation, collaboration, and professional development, this company empowers its people to shape the future of secure digital transformation across a wide … ll be part of a business that values expertise, agility, and doing the right thing - where everyone has the opportunity to make a genuine impact. About the Role The Senior Application Security Engineer will play a key role in protecting the organisation's infrastructure, cloud platforms, and applications. Working within a highly technical and collaborative cyber team … supported by a 24/7 external SOC - you'll research, test, and implement next-generation security solutions to safeguard data and systems. This role offers the chance to lead on application and cloud security initiatives, influence secure design standards, and mentor colleagues in best practices. Key Responsibilities Lead application and cloud security initiatives, ensuring systems and More ❯

Senior Software Engineer, Product Security Engineering page is loaded Senior Software Engineer, Product Security Engineeringlocations: London, United Kingdomtime type: Full timeposted on: Posted Todayjob requisition id: RThe LSEG DevSecOps Engineering team inside the cyber security division is looking for Senior Software Engineers to build tools and automations to help secure software development … for thousands of developers across the group. You will be working as part of a geographically distributed remote team comprising of security engineers and software engineers. Our team's mission is to allow engineers to embed security best practices frictionlessly as part of their day to day work. The ideal candidate will have the following skills: Deep understanding … of cyber security principles, secure software development, and threat modeling Experience conducting security assessments, code reviews, and vulnerability management across diverse technology stacks Experience in building full-stack products (web applications, APIs, CI tooling or low-level software) Hands-on experience with cloud technologies (AWS, GCP, Azure) and containers (Docker, Kubernetes), with a focus on security Familiarity More ❯

Role : Senior Cloud Security Engineer (Kubernetes) Location : 100% Remote (UK, Germany, Netherlands, Portugal, Spain) Compensation : Very attractive base + bonus! Lawrence Harvey are partnered with a market-leading payment technology organization; easily one of the most innovative FinTech firms on the market currently that are truly revolutionizing the way that money moves by utilizing next-generation, multi … Payments Platform that is built for speed, scale and resilience, experimenting with one of the most exciting tech stacks globally; whilst working in an environment that has bank-grade security and reliability. Some of the things you'll do: Build and maintain defensive security controls across multi-cloud payment environments. Continuously strengthen infrastructure and application security through … monitoring, hardening, and automation. Identify and mitigate emerging threats, vulnerabilities, and attack paths. Partner with engineers to embed security-by-design and recommend practical protections. Manage and optimize security controls for performance, readiness, and effectiveness. Maintain security baselines, playbooks, and detections for consistent defense. The ideal candidate will have: Deep hands-on Kubernetes expertise , used daily in More ❯

Role : Senior Cloud Security Engineer (Kubernetes) Location : 100% Remote (UK, Germany, Netherlands, Portugal, Spain) Compensation : Very attractive base + bonus! Lawrence Harvey are partnered with a market-leading payment technology organization; easily one of the most innovative FinTech firms on the market currently that are truly revolutionizing the way that money moves by utilizing next-generation, multi … Payments Platform that is built for speed, scale and resilience, experimenting with one of the most exciting tech stacks globally; whilst working in an environment that has bank-grade security and reliability. Some of the things you'll do: Build and maintain defensive security controls across multi-cloud payment environments. Continuously strengthen infrastructure and application security through … monitoring, hardening, and automation. Identify and mitigate emerging threats, vulnerabilities, and attack paths. Partner with engineers to embed security-by-design and recommend practical protections. Manage and optimize security controls for performance, readiness, and effectiveness. Maintain security baselines, playbooks, and detections for consistent defense. The ideal candidate will have: Deep hands-on Kubernetes expertise , used daily in More ❯

Role : Senior Cloud Security Engineer (Kubernetes) Location : 100% Remote (UK, Germany, Netherlands, Portugal, Spain) Compensation : Very attractive base + bonus! Lawrence Harvey are partnered with a market-leading payment technology organization; easily one of the most innovative FinTech firms on the market currently that are truly revolutionizing the way that money moves by utilizing next-generation, multi … Payments Platform that is built for speed, scale and resilience, experimenting with one of the most exciting tech stacks globally; whilst working in an environment that has bank-grade security and reliability. Some of the things you'll do: Build and maintain defensive security controls across multi-cloud payment environments. Continuously strengthen infrastructure and application security through … monitoring, hardening, and automation. Identify and mitigate emerging threats, vulnerabilities, and attack paths. Partner with engineers to embed security-by-design and recommend practical protections. Manage and optimize security controls for performance, readiness, and effectiveness. Maintain security baselines, playbooks, and detections for consistent defense. The ideal candidate will have: Deep hands-on Kubernetes expertise , used daily in More ❯

Role : Senior Cloud Security Engineer (Kubernetes) Location : 100% Remote (UK, Germany, Netherlands, Portugal, Spain) Compensation : Very attractive base + bonus! Lawrence Harvey are partnered with a market-leading payment technology organization; easily one of the most innovative FinTech firms on the market currently that are truly revolutionizing the way that money moves by utilizing next-generation, multi … Payments Platform that is built for speed, scale and resilience, experimenting with one of the most exciting tech stacks globally; whilst working in an environment that has bank-grade security and reliability. Some of the things you'll do: Build and maintain defensive security controls across multi-cloud payment environments. Continuously strengthen infrastructure and application security through … monitoring, hardening, and automation. Identify and mitigate emerging threats, vulnerabilities, and attack paths. Partner with engineers to embed security-by-design and recommend practical protections. Manage and optimize security controls for performance, readiness, and effectiveness. Maintain security baselines, playbooks, and detections for consistent defense. The ideal candidate will have: Deep hands-on Kubernetes expertise , used daily in More ❯

Role : Senior Cloud Security Engineer (Kubernetes) Location : 100% Remote (UK, Germany, Netherlands, Portugal, Spain) Compensation : Very attractive base + bonus! Lawrence Harvey are partnered with a market-leading payment technology organization; easily one of the most innovative FinTech firms on the market currently that are truly revolutionizing the way that money moves by utilizing next-generation, multi … Payments Platform that is built for speed, scale and resilience, experimenting with one of the most exciting tech stacks globally; whilst working in an environment that has bank-grade security and reliability. Some of the things you'll do: Build and maintain defensive security controls across multi-cloud payment environments. Continuously strengthen infrastructure and application security through … monitoring, hardening, and automation. Identify and mitigate emerging threats, vulnerabilities, and attack paths. Partner with engineers to embed security-by-design and recommend practical protections. Manage and optimize security controls for performance, readiness, and effectiveness. Maintain security baselines, playbooks, and detections for consistent defense. The ideal candidate will have: Deep hands-on Kubernetes expertise , used daily in More ❯

Role : Senior Cloud Security Engineer (Kubernetes) Location : 100% Remote (UK, Germany, Netherlands, Portugal, Spain) Compensation : Very attractive base + bonus! Lawrence Harvey are partnered with a market-leading payment technology organization; easily one of the most innovative FinTech firms on the market currently that are truly revolutionizing the way that money moves by utilizing next-generation, multi … Payments Platform that is built for speed, scale and resilience, experimenting with one of the most exciting tech stacks globally; whilst working in an environment that has bank-grade security and reliability. Some of the things you'll do: Build and maintain defensive security controls across multi-cloud payment environments. Continuously strengthen infrastructure and application security through … monitoring, hardening, and automation. Identify and mitigate emerging threats, vulnerabilities, and attack paths. Partner with engineers to embed security-by-design and recommend practical protections. Manage and optimize security controls for performance, readiness, and effectiveness. Maintain security baselines, playbooks, and detections for consistent defense. The ideal candidate will have: Deep hands-on Kubernetes expertise , used daily in More ❯

Role : Senior Cloud Security Engineer (Kubernetes) Location : 100% Remote (UK, Germany, Netherlands, Portugal, Spain) Compensation : Very attractive base + bonus! Lawrence Harvey are partnered with a market-leading payment technology organization; easily one of the most innovative FinTech firms on the market currently that are truly revolutionizing the way that money moves by utilizing next-generation, multi … Payments Platform that is built for speed, scale and resilience, experimenting with one of the most exciting tech stacks globally; whilst working in an environment that has bank-grade security and reliability. Some of the things you'll do: Build and maintain defensive security controls across multi-cloud payment environments. Continuously strengthen infrastructure and application security through … monitoring, hardening, and automation. Identify and mitigate emerging threats, vulnerabilities, and attack paths. Partner with engineers to embed security-by-design and recommend practical protections. Manage and optimize security controls for performance, readiness, and effectiveness. Maintain security baselines, playbooks, and detections for consistent defense. The ideal candidate will have: Deep hands-on Kubernetes expertise , used daily in More ❯

Role : Senior Cloud Security Engineer (Kubernetes) Location : 100% Remote (UK, Germany, Netherlands, Portugal, Spain) Compensation : Very attractive base + bonus! Lawrence Harvey are partnered with a market-leading payment technology organization; easily one of the most innovative FinTech firms on the market currently that are truly revolutionizing the way that money moves by utilizing next-generation, multi … Payments Platform that is built for speed, scale and resilience, experimenting with one of the most exciting tech stacks globally; whilst working in an environment that has bank-grade security and reliability. Some of the things you'll do: Build and maintain defensive security controls across multi-cloud payment environments. Continuously strengthen infrastructure and application security through … monitoring, hardening, and automation. Identify and mitigate emerging threats, vulnerabilities, and attack paths. Partner with engineers to embed security-by-design and recommend practical protections. Manage and optimize security controls for performance, readiness, and effectiveness. Maintain security baselines, playbooks, and detections for consistent defense. The ideal candidate will have: Deep hands-on Kubernetes expertise , used daily in More ❯

Role : Senior Cloud Security Engineer (Kubernetes) Location : 100% Remote (UK, Germany, Netherlands, Portugal, Spain) Compensation : Very attractive base + bonus! Lawrence Harvey are partnered with a market-leading payment technology organization; easily one of the most innovative FinTech firms on the market currently that are truly revolutionizing the way that money moves by utilizing next-generation, multi … Payments Platform that is built for speed, scale and resilience, experimenting with one of the most exciting tech stacks globally; whilst working in an environment that has bank-grade security and reliability. Some of the things you'll do: Build and maintain defensive security controls across multi-cloud payment environments. Continuously strengthen infrastructure and application security through … monitoring, hardening, and automation. Identify and mitigate emerging threats, vulnerabilities, and attack paths. Partner with engineers to embed security-by-design and recommend practical protections. Manage and optimize security controls for performance, readiness, and effectiveness. Maintain security baselines, playbooks, and detections for consistent defense. The ideal candidate will have: Deep hands-on Kubernetes expertise , used daily in More ❯

Role : Senior Cloud Security Engineer (Kubernetes) Location : 100% Remote (UK, Germany, Netherlands, Portugal, Spain) Compensation : Very attractive base + bonus! L awrence Harvey are partnered with a market-leading payment technology organization; easily one of the most innovative FinTech firms on the market currently that are truly revolutionizing the way that money moves by utilizing next-generation … Payments Platform that is built for speed, scale and resilience, experimenting with one of the most exciting tech stacks globally; whilst working in an environment that has bank-grade security and reliability. Some of the things you'll do: Build and maintain defensive security controls across multi-cloud payment environments. Continuously strengthen infrastructure and application security through … monitoring, hardening, and automation. Identify and mitigate emerging threats, vulnerabilities, and attack paths. Partner with engineers to embed security-by-design and recommend practical protections. Manage and optimize security controls for performance, readiness, and effectiveness. Maintain security baselines, playbooks, and detections for consistent defense. The ideal candidate will have: Deep hands-on Kubernetes expertise , used daily in More ❯

Role : Senior Cloud Security Engineer (Kubernetes) Location : 100% Remote (UK, Germany, Netherlands, Portugal, Spain) Compensation : Very attractive base + bonus! L awrence Harvey are partnered with a market-leading payment technology organization; easily one of the most innovative FinTech firms on the market currently that are truly revolutionizing the way that money moves by utilizing next-generation … Payments Platform that is built for speed, scale and resilience, experimenting with one of the most exciting tech stacks globally; whilst working in an environment that has bank-grade security and reliability. Some of the things you'll do: Build and maintain defensive security controls across multi-cloud payment environments. Continuously strengthen infrastructure and application security through … monitoring, hardening, and automation. Identify and mitigate emerging threats, vulnerabilities, and attack paths. Partner with engineers to embed security-by-design and recommend practical protections. Manage and optimize security controls for performance, readiness, and effectiveness. Maintain security baselines, playbooks, and detections for consistent defense. The ideal candidate will have: Deep hands-on Kubernetes expertise , used daily in More ❯

Senior SecOps Engineer Location – London (4 days per week in London) Salary - £80-90k + Bonus + Benefits Currently working with a global InsureTech firm who are looking to hire a Senior SecOps Engineer to compliment their established yet growing internal Cyber Defence capability. This is a wide ranging role where you’ll be responsible … detection rules and enhancing their monitoring infrastructure and tooling. This is a cloud-native SOC capability, based in Azure with a big emphasis on the Microsoft E5 suite of security monitoring and detection tooling. Experience configuring, fine-tuning and managing this tooling will be essential, as well as the ability to enhance and automate where possible using KQL. This … specialist with experience of both SecOps Analysis and Engineering to join an established yet growing firm at a crucial point as they completely build out their Information and Cyber Security capability. Key Responsibilities: Act as a lead and technical escalation point on the most complex incidents and investigations. Develop and engineer new detection rules, automating monotonous tasks where More ❯

Senior SecOps Engineer Location – London (4 days per week in London) Salary - £80-90k + Bonus + Benefits Currently working with a global InsureTech firm who are looking to hire a Senior SecOps Engineer to compliment their established yet growing internal Cyber Defence capability. This is a wide ranging role where you’ll be responsible … detection rules and enhancing their monitoring infrastructure and tooling. This is a cloud-native SOC capability, based in Azure with a big emphasis on the Microsoft E5 suite of security monitoring and detection tooling. Experience configuring, fine-tuning and managing this tooling will be essential, as well as the ability to enhance and automate where possible using KQL. This … specialist with experience of both SecOps Analysis and Engineering to join an established yet growing firm at a crucial point as they completely build out their Information and Cyber Security capability. Key Responsibilities: Act as a lead and technical escalation point on the most complex incidents and investigations. Develop and engineer new detection rules, automating monotonous tasks where More ❯

Senior Test Engineer - National Security Job Description Posted Tuesday 30 September 2025 at 00:00 We are the Information Intelligence Group (IIG) of CACI UK, a specialist software consultancy providing new bespoke solutions to solve our customers complex operational problems. As our business continues to grow, we are interested in speaking with an experienced Senior Test … Engineer to join one of our live projects in our National Security Team. At IIG, there's no such thing as a typical solution - we're looking for talent that can keep up with our clients' challenges, and set the pace for new ideation. We value intelligence and fast learners, flexibility and excitement about tackling every new opportunity. … Our work is highly collaborative, so friendly relationship builders are vital to our teams. The Role: As a Senior Test Engineer, you will join one of our small, fast-paced, agile delivery teams. Working on one of our inflight projects, you will play a key role to ensure continuous automated testing is implemented, early and often, as a More ❯

Senior AI Engineer/Developer (AI) Knutsford onsite to £130k Are you a technologist with a strong knowledge of AI and its practical uses within software engineering? You could be joining a scaling Cyber Security technology company and enjoying a huge range of perks and benefits from continual learning and self-development opportunities (including "buy any book … policy) through to health and well-being, enhanced paternity packages, generous holiday allowance, inclusive social events and much more. As a Senior AI Engineer you will drive the adoption of AI within the business, assessing how to effectively use AI to optimise production and then rolling out your recommendations across teams. You'll take ownership, working end-to … as OOP, Data Structures, Algorithms, Design Patterns You're collaborative, enjoy problem solving and are keen to pick up new skills What's in it for you: As a Senior AI Engineer/Developer you will earn a highly competitive package including: Salary to £130k 8% pension contribution Life Assurance and Income Protection Enhanced maternity/paternity packages More ❯

Senior Backend Engineer We are seeking a deeply technical and security-minded Senior Backend Engineer to join a newly-founded, high-impact AI joint venture. Backed by five of the world's leading telecommunications giants, our mission is to restore trust in global voice communication. This is not a standard backend role. We are seeking … a foundational engineer to own our single greatest strategic asset: our unique, privileged access to network-level intelligence via the GSMA CAMARA API standard. This is our “right to win”, and you will be the engineer responsible for building the bridge to it. You will be the Critical Path Owner for Track Zero, the 30-day foundational sprint … Go/No-Go gate for our MWC 2026 launch. You will be directly responsible for building the “out-of-band” data path that enables our flagship Telco-Verified Security Shield and its sub-500ms “Time-to-Trust” metric, our core differentiator that no “over-the-top” competitor can replicate. This position offers a unique opportunity to define a More ❯

Senior Backend Engineer We are seeking a deeply technical and security-minded Senior Backend Engineer to join a newly-founded, high-impact AI joint venture. Backed by five of the world's leading telecommunications giants, our mission is to restore trust in global voice communication. This is not a standard backend role. We are seeking … a foundational engineer to own our single greatest strategic asset: our unique, privileged access to network-level intelligence via the GSMA CAMARA API standard. This is our “right to win”, and you will be the engineer responsible for building the bridge to it. You will be the Critical Path Owner for Track Zero, the 30-day foundational sprint … Go/No-Go gate for our MWC 2026 launch. You will be directly responsible for building the “out-of-band” data path that enables our flagship Telco-Verified Security Shield and its sub-500ms “Time-to-Trust” metric, our core differentiator that no “over-the-top” competitor can replicate. This position offers a unique opportunity to define a More ❯

SIEM Engineer Contract - Inside IR35 Duration: March 2026 Reading (Hybrid) Are you a seasoned SIEM (Security Information and Event Monitoring) professional looking to take your career to new heights? If so, this could be the perfect opportunity for you! The company is seeking a talented SIEM Engineer to join their dynamic team and play a pivotal role … in maintaining and enhancing their security monitoring platform. As the SIEM Engineer, you will be responsible for ensuring the optimal performance, scalability, and integration of the company's SIEM platform. This includes onboarding log sources, developing analytical rules, creating automation for triage and remediation, and integrating with other IT and Operational Technology platforms. You will collaborate with the … wider Threat Detection and Response team to ensure the SIEM platform meets their day-to-day needs and provide support during incidents as necessary. Key Responsibilities of the SIEM Engineer Develop and maintain the security monitoring platform, ensuring it meets the company's evolving security requirements. Participate in infrastructure projects to plan and implement solutions for security More ❯

An exciting opportunity for a skilled Senior Security Systems Engineer to lead installation, commissioning, and maintenance of CCTV, intruder alarm, access control, and door entry systems across high-end residential and mixed-use developments in London and the South East. Youll act as the go-to engineer on site supporting junior team members, solving complex faults … Full-time, permanent Salary: Up to 50k + overtime, call-out & bonus opportunities Package: Company van, fuel card, tools, uniform & ongoing training Requirements Minimum 5 years experience in the security systems industry. Strong technical knowledge across multiple systems (e.g. Hikvision, Paxton, Texecom, Honeywell, Videx). Proven experience supervising or mentoring engineers. ECS/CSCS (Skilled Worker or above) . More ❯

An exciting opportunity for a skilled Senior Security Systems Engineer to lead installation, commissioning, and maintenance of CCTV, intruder alarm, access control, and door entry systems across high-end residential and mixed-use developments in London and the South East. Youll act as the go-to engineer on site supporting junior team members, solving complex faults More ❯

you'll have Reporting to Sasha, our Platform Engineering Manager, you'll be working in a team of three. The Platform Engineering team is responsible for Platform Engineering, DevOps, Security, Compliance, Infrastructure Management and providing support to Sales team and customers in these areas. The role will build upon the existing security baseline established but strategically advance the … company's security posture, and developing long-term security strategies. What you'll be doing from day one Design and implement robust, forward-thinking security strategies, policies, and procedures to safeguard our systems, networks, and data. Lead regular security assessments, vulnerability scans, and penetration tests to identify risks and deploy effective remediation measures. Monitor systems, networks … and logs then Investigate security breaches, incidents, and other cybersecurity events. Oversight of compliance for regulatory compliance requirements, such as SOC2, HIPAA, ISO 27001, GDPR etc, and ensure our systems adhere to these standards Conduct security awareness training sessions, enabling the business. Who you are Cloud security enthusiast - You're comfortable navigating AWS and GCP environments (Azure More ❯

Join a high-impact team driving the future of secure technology. As a Senior Principal Security Certification Engineer, you’ll be a strategic leader within the Security Office, collaborating with top-tier security and architecture experts. Your role will shape certification strategy, guide compliance efforts, and influence product direction in response to evolving threats. You … ll play a pivotal role in advancing cryptographic innovation and ensuring Entrust products meet global security standards—where trust, innovation, and security converge. Key Responsibilities: Lead Global Certifications : Manage FIPS 140, Common Criteria (CC), and regional certifications (e.g., NITES, PKTN, NATO) for new and existing products—ensuring timely, cost-effective approvals. Strategic Guidance : Advise Engineering and Product Management … on certification requirements across global markets. Product Influence : Collaborate with Security Architects to define requirements for current and next-gen cryptographic modules. Trusted Advisor : Provide expert guidance on certification evolution and integration with Entrust products like Issuance HSM and Signature Activation Modules. Basic Qualifications: Proven experience with security certifications (FIPS 140-2, CC, PCI), either in a lab More ❯

securing them from exfiltration or misuse becomes critically important. In this role, you'll be helping to build and institute controls to lock down our AI training pipelines, apply security architecture patterns built for adversarial environments, and secure our model weights as we scale model capabilities. Responsibilities Design and implement secure-by-default controls as they relate to our … software supply chain, AI model training systems, and deployment environments. Perform security architecture reviews, threat modeling, and vulnerability assessments to identify and remediate risks. Support Anthropic's responsible disclosure and bug bounty programs and participate in the Security Engineering team's on-call rotation. Accelerate the development of Anthropic's security engineers through mentorship and coaching, and … contribute to company building activities like interviewing. Help build greater security awareness across the organization and coach engineers on secure coding practices. Lead and contribute towards large efforts such as building multi-party authorization for AI-critical infrastructure, helping to reduce sensitive production access, and securing build pipelines. You may be a good fit if you Have 8+ years More ❯