1 to 25 of 58 Remote/Hybrid Senior Security Engineer Jobs in London

Senior Security Engineer

Location
Greater London, England, United Kingdom
Staff Software Security Engineer Salary: Up to £135,000 + Benefits Location: London (Hybrid – 3 days per week in the office) We are currently looking for a Staff Software Security Engineer to join a fast-growing, innovative technology business operating at the forefront … data-driven products. This is an exciting opportunity to join a highly collaborative, engineering-led environment where security is viewed as a key enabler of innovation. Reporting to the Head of Engineering, the Staff Software Security Engineer will play a pivotal role in shaping the organisation ...

Senior Cloud Security Engineer (GCP) - Engine by Starling

Location
City Of London, England, United Kingdom
able to interact and collaborate in person. About Engineering at Engine by Starling - https://enginebystarling.com/careers/engineering/As a Security Engineer at Engine, you'll be working on helping to keep our infrastructure secure and compliant and our staff safe and productive. … working on projects covering identity and access management, cloud and network security, vulnerability management, security monitoring, security hardening, compliance reviews, and more. It's a very varied role with lots of close interaction with the infrastructure, security engineering, cross-cutting and compliance teams. We are looking ...

Senior Cyber Security Engineer (EDR) Senior Security Engineer – Monitoring & Detection

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Salary
£ 70 K
Senior Security Engineer – Monitoring & Detectionð Hybrid Working (Bristol, London, Manchester or Swansea)ð 55,000 – 85,000 + Benefitsð Active SC Clearance RequiredJoin a Team Protecting Critical Digital ServicesWe’re looking for an experienced Senior Security Engineer – Monitoring & Detection to play a key role … large-scale, cloud-based environments supporting critical public sector and government services.This is a hands-on engineering role focused on threat detection, SIEM engineering, security monitoring, log management, and SOC optimisation. You’ll design and enhance detection capabilities, improve security visibility, and ensure organisations can rapidly identify ...

Senior Security Engineer - 12 Months FTC London

Location
Greater London, England, United Kingdom
Senior Security Engineer - 12 Months FTC London Senior Security Engineer - 12 Months FTC Join Pay.UK as a Senior Security Engineer and help protect the systems that support everyday payments across the UK. This role provides an opportunity to put advanced security engineering skills to work in a setting where trust, reliability, and clear standards are valued every day. You’ll work on security within the organisation that maintains and develops UK retail payment systems processing over 11 billion transactions worth over £10 trillion each year. We’re looking ...

Senior Cyber Security Engineer

Hiring Organisation
Addition
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£600.00 per day
Senior Cyber Security Engineer Start Date: TBC £600 per day Location: TBC | Hybrid Arrangement We’re partnering with a growing technology organisation to appoint an experienced Senior Cyber Security Engineer specialising in CyberArk and privileged access management. This is a senior technical role … with responsibility for the design, deployment and ongoing health of security tooling across multiple managed client environments. CyberArk will be your deepest area of expertise, complemented by hands-on experience across the wider modern security stack, including Zscaler, EDR, SIEM and vulnerability management. The Opportunity As Senior ...

Senior AI Security Engineer

Hiring Organisation
Experis
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £650/day
Role: Senior AI Security Engineer Location: London (Hybrid) Duration: 6 Months Day rate: £600 - £650 Inside IR35 About the Role We are looking for a Senior Security Engineer - AI to play a critical role in designing and embedding security controls across AI-driven … agentic systems. You will ensure secure-by-design principles are applied throughout the software development lifecycle while helping shape and deliver our reimagined Information Security vision. This role will focus on the design, testing, piloting and deployment of security solutions that support the automation of security processes ...

Senior iOS Security Engineer – ProdSec

Location
Greater London, England, United Kingdom
Senior iOS Security Engineer (ProdSec) at iProov Senior iOS Security Engineer About iProov iProov provides science-based biometric solutions that enable the world’s most security-conscious organizations to streamline secure remote onboarding and authentication for digital and physical access. Our award-winning … against deepfakes and generative AI threats while ensuring effortless, scalable user experiences. Trusted by leading governments and enterprises, including the U.S. Department of Homeland Security, U.K. Home Office, GovTech Singapore, ING, and UBS, iProov sets the standard in biometric identity assurance. The Role Reports to: Head of Red Team ...

Senior Security Engineer

Location
Greater London, England, United Kingdom
safety of their MPC-secured wallets. By reducing settlement time for transfers to a few milliseconds (without blockchain network dependency) and offering enhanced security measures, ClearLoop is rapidly reshaping the way asset managers trade and manage capital. In addition to industry-leading security certifications, Copper … applies to all stages of product production: from conceptualisation to architecture, to build, to release, to iteration and support. Team Purpose Copper’s Information Security department keep the business’ systems and network resources secure and protect the company, employees, and client data. The Infrastructure Security team focuses ...

Senior AI Security Engineer

Location
Greater London, England, United Kingdom
Salary: Up to £120,000 + Bonus & Excellent Benefits The Opportunity We are seeking a Senior AI Security Engineer to join a leading global financial institution, working on the development and security of the organisation's next-generation Generative AI and LLM-based applications . This … specialist engineering role focused on designing, developing and enhancing a GenAI prompt security platform , helping protect enterprise AI applications from prompt injection, adversarial attacks and emerging AI security threats . You will work closely with Engineering, Cyber Security and Operations teams across the organisation to build secure ...

Senior Security Engineer

Hiring Organisation
Taylor James Resourcing
Location
London, UK
Employment Type
Full-time
Date: 10 Apr 2026Sector: ITType: PermanentLocation: LondonSalary: 80000 - 95000 per annumEmail: duncan@taylorjamesresourcing.comRef: DB100426 Senior Security Engineer, reporting to the IT Security Officer, you will work as part of a 3-person IT Security team. As the Senior Security Engineer, you should … have at least 5 years security team leadership and project management. 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. ...

Senior Cloud Security Engineer (GCP) - Engine by Starling

Location
Greater London, England, United Kingdom
able to interact and collaborate in person. Engineering at Engine by Starling —https://enginebystarling.com/careers/engineering/As a Security Engineer at Engine, you'll be working on helping to keep our infrastructure secure and compliant and our staff safe and productive. … working on projects covering identity and access management, cloud and network security, vulnerability management, security monitoring, security hardening, compliance reviews, and more. It's a very varied role with lots of close interaction with the infrastructure, security engineering, cross-cutting and compliance teams. We are looking ...

Senior Security Operations Engineer New London

Location
Greater London, England, United Kingdom
connected organisations, all working together to defend against cybersecurity attacks in the supply chain. Organisations rely on us to establish trust, through sharing their security maturity and visualising the risks posed by their supply chain ecosystem. And we’re already trusted by customers like ASOS, British Airways, BAE Systems … high to find the best solutions we can and always put our users first. The team: You’ll join the Director of Information Security supporting and collaborating with all parts of the business to deliver a secure environment enabling impactful outcomes for Risk Ledger and our customers. This role ...

Senior Security Engineer

Hiring Organisation
Docebo
Location
London, United Kingdom
Salary
£ 70 K
what are you waiting for? Join 900+ Docebians around the world and help us reinvent the way people learn, because learning never stops.Role OverviewThe Senior Security Engineer will play a central role in securing Docebo's cloud infrastructure, with a primary focus on AWS environments. Working closely … with Cloud Infrastructure & Operations, Engineering, and other security teams, this role is responsible for designing, implementing, and continuously improving cloud security controls across all layers of the stack — from infrastructure provisioning and container orchestration to runtime detection and compliance enforcement. This is a hands-on, high-ownership role ...

Senior Cloud Security Engineer

Hiring Organisation
Checkout.com
Location
London, UK
Employment Type
Full-time
shaping the future of fintech – and we're just getting started. The roleCheckout.com is scaling a multi-cloud environment at pace, and security architecture is central to how we do it safely. As Senior Cloud Security Engineer, you'll work closely with Engineering, GRC, Technology Risk … Security Operations to embed security into every design decision and to make sure we can see what's happening across the estate once it's live. You'll help embed security within the design phase and ongoing operations of our multi-cloud posture, define guardrails and policy ...

Senior Security Engineer

Location
Greater London, England, United Kingdom
waiting for? Join 900+ Docebians around the world and help us reinvent the way people learn, because learning never stops. Role Overview The Senior Security Engineer will play a central role in securing Docebo's cloud infrastructure, with a primary focus on AWS environments. Working closely with … Cloud Infrastructure & Operations, Engineering, and other security teams, this role is responsible for designing, implementing, and continuously improving cloud security controls across all layers of the stack - from infrastructure provisioning and container orchestration to runtime detection and compliance enforcement. This is a hands‐on, high‐ownership role ...

Senior Security Engineer (Infrastructure)

Location
Greater London, England, United Kingdom
seeking a Senior Security Engineer (Infrastructure) to help strengthen and mature infrastructure security capabilities across cloud and on-prem environments. This is a technical role focused on improving visibility, resilience and security maturity across the organisation. The successful candidate will work closely with INO (Infrastructure … Network Operations), Corporate IT and Platform Engineering teams to strengthen network and platform security, implement scalable controls and support modern security practices across high-availability environments. The role requires a technical understanding across networking, cloud, edge security, infrastructure hardening and operational security tooling. The successful candidate ...

Senior Security Engineer

Location
Greater London, England, United Kingdom
side firms representing $40 trillion in AUM and 22 global investment banks. For more information, please visit www.cmgx.io The Role We are hiring a Senior Security Engineer to lead our security risk management and governance work. This is a senior individual‐contributor role for someone … turning them into shipped, operationalized programs. You will report directly to the CISO, own cross‐program initiatives, and collaborate closely with senior leadership across the firm. The core of the role is hands‐on security risk management, threat modeling, security risk assessments, and security design ...

Senior Application Security Engineer

Location
Greater London, England, United Kingdom
looking for a Senior Application Security Engineer to join our expanding Information Security team. If you are a hands‐on AppSec expert who enjoys working deep in the SDLC, partnering with talented engineers and building security into fast‐moving delivery pipelines, this role gives … genuinely care about secure engineering, and you will have the autonomy, tooling and influence to help them excel. You will work alongside our existing Senior AppSec Engineer and Security Architect, strengthening our capacity and resilience as we continue to mature our security services. This ...

Senior Security Engineer Crypto

Hiring Organisation
Teya Solutions
Location
London, UK
Employment Type
Full-time
businesses, we'd love to hear from youYour missionWe're a regulated payments fintech operating across multiple European markets, scaling into banking-licence territory. Security Engineering is being rebuilt around a joint operating model with our platform and infrastructure teams. We're hiring a Senior Security Engineer who can pick up specific gaps in our current coverage: payment cryptography operations on cloud-hosted HSM services, application security at scale, and pipeline-embedded controls that let the rest of the company move fast without security sitting in the critical path. This is not a review ...

Senior Security Engineer — Proactive Security Lead (Remote)

Location
Greater London, England, United Kingdom
Capital Markets Gateway LLC (CMG) is seeking a Senior Security Engineer to own security risk management, threat modeling, and governance initiatives. You will report to the CISO and drive cross‐program work with senior leadership, turning complex risks into actionable, repeatable security workflows. … role covers cloud security, supply‐chain, endpoint and identity controls, and AI security, with a path from senior IC to broader leadership as the program scales. #J-18808-Ljbffr ...

Senior Security Engineer (AI Safety), London, Lausanne

Hiring Organisation
Isomorphic Labs
Location
London, UK
Employment Type
Full-time
promise of digital biology, and achieving our ambitious mission to one day solve all disease with the help of AI.Your impact As a Senior AI Security Engineer at Isomorphic Labs, you will operate at the absolute frontier of Artificial Intelligence and Cybersecurity. Reporting directly to the CISO … risk management frameworks tailored to the unique threat landscape of AI in life sciences, establish strict governance over critical model artifacts, and embed seamless security controls directly into distributed training and inference infrastructure. You will serve as the technical anchor bridging machine learning engineering, platform architecture, and adversarial defense. ...

Senior Threat Modelling & Application Security Engineer

Hiring Organisation
Sanderson
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£450.00 - £500.00 per day
Senior Threat Modelling & Application Security Engineer Day rate: Up to £450 - £500 (Inside IR35) Location: London/Hybrid - 4 days a week onsite Duration: 6 months (Initial) A major organsiation is seeking a Senior Threat Modelling & Application Security Engineer to help drive secure … practices across cloud and application environments. Key Responsibilities Conduct threat modelling using STRIDE, PASTA, ATT&CK and Attack Trees. Identify vulnerabilities and define mitigating security controls. Review technical architectures and support secure SDLC processes. Develop security automation tooling and Python-based applications. Partner with engineering teams to embed ...

Senior Security Engineer: Cloud & Infra Security (Hybrid)

Location
City Of London, England, United Kingdom
Eeze is seeking a Senior Security Engineer (Infrastructure) to strengthen security controls across cloud, on-prem and edge environments. You will collaborate with INO, Corporate IT and Platform Engineering to raise security maturity, visibility and incident response. The role emphasizes engineering and operations alignment, with … focus on scalable security controls, vulnerability management and modern tooling in a high-availability setup. #J-18808-Ljbffr ...

Senior Security Engineer, Infrastructure — Hybrid

Location
Greater London, England, United Kingdom
Eeze is seeking a Senior Security Engineer (Infrastructure) to strengthen security across cloud and on‐prem environments. You will work with INO, Corporate IT and Platform Engineering to implement scalable controls and improve visibility, resilience and security maturity across the organisation. The role covers networking … cloud, edge security, IAM and incident response, with emphasis on designing and maturing security controls, SIEM, WAF, Kubernetes security and governance alignment. #J-18808-Ljbffr ...

Senior ICT & Security Design Engineer - London, Bicester or Newcastle

Location
Greater London, England, United Kingdom
Senior ICT & Security Design Engineer - London, Bicester or Newcastle London, United Kingdom, WC1A 1HB | Newcastle, United Kingdom, NE6 2HL | Oxford, United Kingdom, OX27 7LT RED ENGINEERING DESIGN LIMITED Permanent Full - Time Senior ICT & Security Design Engineer - London, Bicester or Newcastle RED are an expanding … fellow project stakeholders. We add value with our people, client service ethos, global delivery strategy, technical ability, and attitude. We now seek a Senior ICT & Security Engineer to be based out of our London, Bicester or Newcastle office. Role Responsibilities Carries out cost and profit diagnosis ...