1 to 25 of 34 Security Architecture Jobs in the City of London

THE ROLE NextEnergy Group develops, builds, and operates large-scale solar Photovoltaic (PV) assets and battery storage projects across Europe. As our Security & Information Security Architect, you will set the security vision and implement secure-by-design principles for every layer of the organization — from field-level Operational Technology networks and real-time trading engines right through … to corporate business systems. A critical dimension of the role will be tight collaboration with: Data Protection Officer (DPO): embedding privacy-by-design, supporting DPIAs and audits Network & Security Engineering team: turning architecture patterns into robust, monitored, and recoverable configurations in production External security advisors & key technology suppliers to align architectural controls with best practice guidance, managed … This is a strategic yet hands-on role that balances secure-by-design principles with practical delivery across cloud, on-prem, and SaaS estates. KEY RESPONSIBILITIES Set & evolve enterprise security architecture (reference models, standards, patterns) covering IT, OT and hybrid-cloud environments that collect, process and trade renewable-generation data Embed security & privacy requirements into solution designs More ❯

Chief Information Security Officer (CISO) 📍 Location: London (Hybrid Working Model) 💼 Salary: Competitive + Bonus + Equity Options 🕒 Type: Full-time, Permanent About the Role Chief Information Security Officer (CISO) to join a fast-scaling, high-impact organisation in the heart of London. This is a strategic, foundational hire —you will be responsible for designing and building out a … GRC) function from the ground up. As the company continues to grow, the need for a comprehensive and mature cybersecurity posture has never been greater. You will own the security vision and strategy while rolling up your sleeves to implement, scale, and continually improve our approach to GRC, risk management, threat mitigation, and compliance frameworks. Key Responsibilities GRC Leadership … Design and implement a scalable GRC framework tailored to the business, addressing risk management, compliance standards (ISO 27001, NIST, SOC 2, etc.), and internal governance controls. Security Strategy: Develop and execute a long-term cybersecurity strategy aligned with business goals, balancing innovation and risk. Security Operations: Oversee day-to-day cybersecurity operations, including threat detection, incident response, vulnerability More ❯

uniquely collaborative model across the firm and throughout all levels of the client organization, generating results that allow our clients to thrive. What You'll Do The Senior Director – Security Engineering Platform Lead is responsible for leading the design, delivery, and continuous evolution of BCG's security platforms across identity, device, and data protection domains. This role ensures … end-to-end security engineering across all technology environments, including cloud, on-prem, and hybrid systems. The leader will drive strategic planning, execution, and operations of scalable, automated, and resilient security controls that protect BCG’s global operations and users, while enabling innovation and agility across BCG Core, BCG X, and CT worldwide. This role is also accountable … for embedding security within DevSecOps practices, enforcing automation at scale, and applying Site Reliability Engineering (SRE) principles across all security services. The role requires strong partnership with ISRM, with a focus on balancing and prioritizing security requirements, automation opportunities, user experience needs, and broader business outcomes. Key Responsibilities: Strategic Leadership & Transformation: Define and execute a unified security More ❯

Introduction Infinigate Group are a leading, global distributer, specialising in total cyber security solutions and services. With 4 UK offices based in London, Woking, South Cerney and Fareham, we take pride in providing unrivalled support and value for our vendor and reseller partner communities. Our team at Infinigate consists of IT security experts as well as highly skilled … we adopt a flat hierarchy, high performing teams, efficient decision-making processes and a nurturing and learning environment which rewards performance. Role Purpose Infinigate are seeking an ambitious Cyber Security Analyst to join their UK IT Security team. This new role within the business has been designed in response to business growth demands and to offer career trajectory … candidate within an fast accelerating industry and company. To be successful in this role, you will wield a broad range of skills and deep understanding within Cloud network and security architecture (Azure), and excellent communication and stakeholder management skills. This role will see you taking ownership of for the delivery of security solutions within the group to More ❯

Job Summary: We are seeking an experienced and highly skilled AWS Security Lead with expertise in Threat Modeling to join our dynamic team. The ideal candidate will have a deep understanding of cloud security principles, threat modeling methodologies, and AWS security best practices. This individual will work closely with development, engineering, and security teams to proactively … identify and mitigate potential threats in our cloud-based infrastructure. The AWS Security Lead (Threat Modeling) will be responsible for conducting risk assessments, defining security requirements, and building threat models to guide security architecture and design in AWS environments. This role requires a strategic thinker with hands-on experience in AWS security, threat modeling, and … Risk Assessments Lead the development of threat models for AWS-based applications and infrastructure. Conduct regular threat assessments and risk analyses for new and existing systems. Collaborate with development, architecture, and DevOps teams to design security into the cloud-native architecture. Create detailed reports, diagrams, and other documentation to communicate threat models, risk levels, and mitigation strategies. Security More ❯

you! So, even if you feel that you’re close but not an exact match, we encourage you to apply. Overview We are looking to add an experienced Senior Security Engineer to our Gallagher Technology Team. This role will be part of the global security architecture and engineering function in the UK, working closely with twin teams … offer hybrid working, allowing you to spend two days a week in the office and three days working from home. Join a world-class team committed to driving exceptional security standards and making a real impact! How you'll make an impact Define and build Information Security engineering standards, artefacts, design patterns, and technical specification documents. Provide engineering … a focus on Trellix/McAfee product and Ms Defender product suites. Take ownership and build Low Level Design (LLD) and operational run books based on the level 1 architecture design. Expert level knowledge on Network Protocols, Remote Connectivity, Threat Prevention, Sandbox, DDoS, URL Filtering, and SSL decryption. Participate in troubleshooting design level issues. Assess, monitor, and recommend improvements More ❯

an individual with deep technical expertise, strategic vision, and hands-on experience in building secure, AI-driven systems. As Director of Cybersecurity, you will oversee all aspects of our security architecture, operations, and threat intelligence functions—ensuring Nothreat’s platforms and clients remain resilient in an evolving threat landscape. You will also be expected to drive cross-functional … collaboration across product, engineering, compliance, and delivery teams, and lead the execution of complex, high-impact security initiatives. Key Responsibilities Define and drive Nothreat’s cybersecurity strategy across product, infrastructure, and operations. Lead security architecture reviews, threat modeling, and secure development practices across engineering teams. Oversee the implementation and operation of security controls, incident response plans … and risk management frameworks. Work closely with the AI engineering team to address security implications of machine learning models and data pipelines. Evaluate and adopt new security technologies and frameworks aligned with our AI-powered platform. Collaborate with executive leadership on regulatory, compliance, and customer security expectations. Lead cross-functional cybersecurity initiatives across engineering, product, and operations More ❯

c. £230k Comp Package | Hybrid Working - 3 Days in Office] We're partnering with a market-defining pensions investment firm undertaking a large-scale transformation of its technology and security landscape. Backed by strong executive sponsorship, they’re redesigning core architecture, building cloud-native systems, and investing in a high-trust, hands-on security function to future … proof operations. This is a unique opportunity to shape the security architecture of a business responsible for safeguarding over £65 billion in assets - where your input won’t sit on the shelf, but will be built, deployed, and relied upon... Key Responsibilities Lead the design and development of secure architecture patterns across cloud-native infrastructure (AWS/… Azure), serverless systems, and distributed environments Collaborate closely with engineering and product teams to evaluate architecture proposals, reduce risk, and embed intuitive security controls across the SDLC Perform security-focused architecture reviews of key platforms and workflows, guiding engineering teams through the development phase with secure-by-design advice Translate complex threats into architectural controls and More ❯

Job Title: Senior Security Engineer Manager: CISO Department: Cyber Security Division: Enterprise Information Technology Services Location: London, Hybrid Main Purpose: The MDU is undertaking an exciting digital transformation programme and to support this the Cyber Security Team is looking to appoint a Senior Security Engineer. Working closely with delivery teams covering strategic and non-strategic change … this role will provide subject matter expertise to keep the MDU, its data and, its member safe from cyber security threats. The Senior Security Engineer will be responsible for the delivery of security technologies in a range of projects and will therefore: Have a strong cyber security engineering or professional services background with experience of delivering … both large-scale and small-scale projects to a high quality in a fast-paced environment. Have a good practical knowledge of both traditional security technologies and modern security tooling to allow support of both the existing and new environments during the digital transformation. Have a proven track record of working in cross functional teams to successfully deliver More ❯

adoption, migration, and modernization, ensuring seamless transitioning from legacy systems. Design and implement multi-cloud, hybrid cloud, or cloud-native architectures for scalability and resilience. Provide architectural guidance on security, compliance, and governance in cloud solutions. Collaborate with stakeholders to create digital roadmaps for long-term cloud transformation. Design conceptual, logical, and physical data architectures that support business and … and data governance frameworks to enhance data discovery, lineage tracking, and compliance. Define data modeling standards, ensuring alignment with business intelligence, AI/ML, and analytics strategies. Develop data security frameworks, including encryption, access control, and data masking. Support data migration and transitioning strategies, ensuring minimal disruption to business operations. Optimize data storage and retrieval mechanisms across cloud-based … Neo4j Graph DB (or similar technology e.g., Amazon RDS, Azure SQL, BigQuery, NoSQL). Architect microservices-based applications, ensuring modular, scalable, and API-first designs Design and implement application security controls, including IAM, Zero Trust models, encryption, and API security best practices. Define logical and conceptual application architectures, ensuring standardization and reusability across cloud environments. Enable automated deployment More ❯

Manager: CISO Department: Cyber Security Division: Enterprise Information Technology Services Location: London, Hybrid Main Purpose: Identity is a core security component in any modern IT estate, ensuring the right people, machines, and software components have access to the correct resources at the appropriate time, while preventing unauthorised access and maintaining a secure environment. The Identity and Access Manager … role heads up this crucial security function within the Cyber Security Team and will Lead strategic development and operational management of identity services. Develop and manage identity and access related tooling and processes to ensure mature, efficient, and secure working practices. Be an advocate for best practices in Identity and Access Management. Ensure compliance and risk management standards … are met. Main Responsibilities: Lead the Identity and Access function within the Cyber Security team, including: o Access Management o Identity Governance and Administration o Role Based Access Control o Privileged Access Management o Identity Threat Detection and Response o Access Certification o Identity Data Management & Analytics Ensure that only authorised identities have access to the relevant data and More ❯

Director, Enterprise Security Architecture Salary - £150-160k + £40-50k Bonus + Benefits Location – London (in office 3 days per week) I’m currently partnered with an elite Financial Markets firm who are hiring for a Director level Enterprise Security Architect to work with their Global CISO to set out and deliver the Enterprise Security Architecture strategy, driving a proactive, continuously improving enterprise security architecture function. Whilst this is a strategic role where you will be working with stakeholders from across the organization in different geographies and time-zones to drive the security architecture strategy at the enterprise level; you will need to have come from a technical, hands … that will be driven and introduced. This is an incredible opportunity to join a truly elite Financial Markets Infrastructure organization and play a pivotal role in how they implement security at the enterprise level globally over the coming years; truly influencing change and leaving a lasting impact. Key Responsibilities: Develop, drive and deliver the enterprise security architecture More ❯

The Associates Global is seeking an experienced Enterprise Architect with a Security focus to join a large, well-established organisation undergoing major digital transformation. The company has very low staff turnover and the relatively newly stood up Architecture practise has excellent sponsorship from the top down. This is a brand-new, business-critical role, offering the chance to … set the strategic direction for cybersecurity architecture at scale. This Hybrid role (2 days in) in London will require you to be an excellent communicator with natural gravitas. Your stakeholders will cut across the organisation (including SLT) as well as external providers. You will use your experience to help shape a business that is exciting and uplifting in what … they do. You’ll work closely with a forward-thinking Enterprise Architecture (EA) team and collaborate with senior stakeholders across the CIO function. This is a role for someone who thrives in large-scale environments and wants to play a defining role in embedding secure-by-design principles into every stage of delivery. PLEASE NOTE: The hiring team on More ❯

The Associates Global is seeking an experienced Enterprise Architect with a Security focus to join a large, well-established organisation undergoing major digital transformation. The company has very low staff turnover and the relatively newly stood up Architecture practise has excellent sponsorship from the top down. This is a brand-new, business-critical role, offering the chance to … set the strategic direction for cybersecurity architecture at scale. This Hybrid role (2 days in) in London will require you to be an excellent communicator with natural gravitas. Your stakeholders will cut across the organisation (including SLT) as well as external providers. You will use your experience to help shape a business that is exciting and uplifting in what … they do. You’ll work closely with a forward-thinking Enterprise Architecture (EA) team and collaborate with senior stakeholders across the CIO function. This is a role for someone who thrives in large-scale environments and wants to play a defining role in embedding secure-by-design principles into every stage of delivery. PLEASE NOTE: The hiring team on More ❯

Security Systems Engineer - DevSecOps - Remote - Amazing role - to £70,0000 + Bens Once in a life time opportunity to join a scaling up tech company who are disrupting the digital security sector. My customer are an incredibly innovative scaling up tech company who are looking to recruit a Security Systems Engineer with experience of DevSecOps, AWS, and … + health + share scheme + flexible working + 25 days holidays. Complete remote role with quarterly meet-ups and customer site visits. Position Overview: We are seeking a security systems engineer who combines strategic oversight with strong hands-on capabilities. This role is pivotal in shaping the overarching technical security posture of our organisation while actively integrating … security into our development and operational workflows. The ideal candidate will bridge the gap between high-level security strategy and practical implementation, ensuring that our systems are secure by design and that security is embedded throughout the software development lifecycle. This individual will ensure that both our strategic security objectives and operational practices align with compliance More ❯

GTF is currently hiring an CyberSecurity Consultant to work remotely. As a cybersecurity consultant, your key responsibilities revolve around helping organizations protect their digital assets and improve their overall security posture. Key responsibilities: Conducting comprehensive security assessments: This involves evaluating an organization's IT infrastructure, networks, systems, and applications to identify potential weaknesses and vulnerabilities. Performing vulnerability testing … Suite, Metasploit), you'll simulate attacks to uncover exploitable flaws. Developing threat analysis schedules and staying updated on emerging threats: Keeping abreast of the latest attack vectors, malware, and security trends is crucial. Developing and implementing security policies, standards, and procedures: This includes creating guidelines aligned with industry best practices and regulatory requirements (e.g., NIST CSF, ISO … GDPR). Designing and architecting secure IT environments: This may involve network security design, cloud security architecture (AWS, Azure, GCP), and implementing security technologies. Developing and assisting in the implementation of incident response plans: Creating documented procedures for handling security breaches and other incidents. Conducting tabletop exercises and simulations: Helping organizations practice their incident response More ❯

A great client of mine is hiring a Security-Focused Technical Consultant/Security Architect to join a highly regulated healthcare tech environment. You’ll work cross-functionally with engineering, architecture, and business teams to design secure solutions, manage risks, and ensure compliance across a portfolio of applications. Length: Initial 7 months with chance to extend or … go perm. IR35: Inside Work structure: Remote 🔐 Key Responsibilities: Partner with engineering and architecture to define secure technical solutions Manage end-to-end project security across multiple applications Perform vulnerability testing, threat modelling, and risk assessments Maintain up-to-date security policies, standards, and best practices Communicate risks and mitigation strategies to senior stakeholders Translate business needs … into effective security controls 🧠 Key Skills & Experience: 5+ years in security architecture or consulting in regulated environments Deep knowledge of secure SDLC, DevSecOps, cloud (Azure/AWS), and frameworks (OWASP, MITRE) Hands-on experience with vulnerability tools, threat modelling, and compliance (GDPR, HIPAA, PCI) Strong communication and stakeholder engagement skills Technical knowledge across .NET, Java, scripting (Python More ❯

A great client of mine is hiring a Security-Focused Technical Consultant/Security Architect to join a highly regulated healthcare tech environment. You’ll work cross-functionally with engineering, architecture, and business teams to design secure solutions, manage risks, and ensure compliance across a portfolio of applications. Length: Initial 7 months with chance to extend or … go perm. IR35: Inside Work structure: Remote Key Responsibilities: Partner with engineering and architecture to define secure technical solutions Manage end-to-end project security across multiple applications Perform vulnerability testing, threat modelling, and risk assessments Maintain up-to-date security policies, standards, and best practices Communicate risks and mitigation strategies to senior stakeholders Translate business needs … into effective security controls Key Skills & Experience: 5+ years in security architecture or consulting in regulated environments Deep knowledge of secure SDLC, DevSecOps, cloud (Azure/AWS), and frameworks (OWASP, MITRE) Hands-on experience with vulnerability tools, threat modelling, and compliance (GDPR, HIPAA, PCI) Strong communication and stakeholder engagement skills Technical knowledge across .NET, Java, scripting (Python More ❯

leading investment firm is seeking a Senior Cyber Security Engineer to join their London-based team. The successful candidate will play a pivotal role in maintaining and enhancing the security of their information assets. This role requires a strong technical and practical understanding of information security topics and techniques. The Senior Cyber Security Engineer will collaborate … with various teams and stakeholders across the business, providing high-quality security guidance. Responsibilities: Responsible for the technical design, implementation, and maintenance of their technical security infrastructure. Develop and enforce security policies, standards, and guidelines to mitigate risks and ensure compliance with security best practices. Conduct regular risk assessments to identify potential security threats and … vulnerabilities. Contribute to awareness and training programs to educate stakeholders on security best practices and policies. Requirements and Skills: Formal qualifications or certification in enterprise-level security solution concepts and advanced working expertise. Skilled in planning, designing, and implementing enterprise-level security solutions. Experience working on one or more Public Cloud platforms like AWS, Google Cloud, or More ❯

Cloud Solutions Architect – Security & Secrets Management Focus • This is a strategic and hands-on cloud security architecture role with a focus on secrets management and non-human identity protection across multi-cloud and SaaS environments. • This is a 3–6 month contract paying up to £600/650 p/d, based remotely with potential on-site … organisations to drive innovation and secure complex systems across industries. What will you be doing? As a Cloud Solutions Architect, you will lead the design and delivery of cloud security enhancements, with emphasis on secrets management and identity access management in cloud environments. You’ll be the SME for related security capabilities and will engage with internal engineering … teams to embed secure design patterns. You’ll also drive standards, mentor teams, and help operationalise best practices within the cloud security domain. What will you need? • 3+ years experience implementing secrets management solutions at scale (e.g. HashiCorp Vault, Azure Key Vault, AWS Secrets Manager) • Experience with cloud security posture management (CSPM) across AWS, Azure, GCP • Proficiency in More ❯

Social network you want to login/join with: Cyber Security Engineer, London (City of London) Client: ApTask 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: Job Description As a Senior Engineer - Threat Modelling, you will be part of a cross-functional … team delivering digital business transformation solutions. This role focuses on Security Architecture and Threat Modelling, including governance, evaluation of public cloud services, and security reviews for Public Cloud Providers. Collaboration with Engineering, Information Security, Program Management, and Development teams is essential. You will conduct technical architecture reviews to identify security opportunities, threats, and mitigation … deadlines Provide feedback to improve threat modeling processes Present findings to leadership and stakeholders Qualifications Ideal candidates will have 8+ years in cybersecurity and related technologies, including: Knowledge of security architecture principles and frameworks Experience with threat modeling methodologies like MITRE ATT&CK, STRIDE, PASTA Over 5 years of cybersecurity experience Expertise in authentication, authorization, logging, encryption, infrastructure 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 (e.g. More ❯

Modelling you will be a part of a smart cross-functional team delivering digital business transformation solutions to our clients. This position entails an individual contributor role focused on Security Architecture and Threat Modelling, encompassing governance, evaluation of public cloud services, and conducting security reviews for Public Cloud Providers. Collaboration and partnership with Engineering, Information Security, Program Management, and Development teams are essential. The candidate will conduct technical architecture reviews to pinpoint security opportunities, identify exploitable threats, and propose mitigation strategies. Your Impact •Conduct thorough threat modeling exercises utilizing established methodologies and frameworks •Maintain a rigorous standard of excellence in identifying potential threats and specifying effective mitigation controls. •Manage the lifecycle of identified … technical stakeholders. Qualifications We are seeking an ideal candidate with 8+ years of experience in a range of technologies and processes including: •Proficiency in GCP - essential •Strong knowledge of security architecture principles, frameworks, and best practices •Experience working with threat modeling methodologies such as MITRE ATT&CK, STRIDE, PASTA etc. •Overall experience in Cybersecurity: 5+ years •Security More ❯

ServiceNow Solution Architect with key skills in ServiceNow and CMDB. This role would be hybrid working with the client site based in London. In this role you will provide architecture and technical leadership and own day-to-day management of architecture activities and architecture deliverables (Business Architecture, Systems and Technical architecture domains) on projects ensuring … delivery of high-quality architecture deliverables aligned to strategic target architecture and relevant roadmaps. Key Responsibilities/Accountabilities: Day-to-day management of all architecture activities including coordination between analysis, design and build activities across delivery teams (e.g. delivery work-streams, suppliers, partners etc.) Development of high-level and detailed solution architecture documentation to enable consistent … communication and common understanding of the overall architecture for senior leadership and delivery teams Ensuring development of solution options where required, consistent review of solution options for strategic alignment and rigorous management of key design decisions, working with wider business and IT stakeholders and leveraging existing governance forums Provide timely reporting and escalation of architecture activities, architecture More ❯

/life balance, career progression, sustainability, volunteering – you’ll find like-minded people driving change at Howden. Solution Architect Role Definition The Howden Group Holdings (HGH), Group IT Enterprise Architecture (EA) function is responsible for aligning the Group’s technology strategy with the overall business strategy via its three service pillars: reviewing and governing the solution architecture for … all change deliveries, ensuring integrity of the solution architecture and key design decisions in line with technical suitability, Group standards, policies and principles, defining solutions (where required) and providing architecture guidance and architecture management services for change planning & delivery with the objective of ensuring alignment to Group’s strategic objectives, compliance to Group policies and conformance to … the Enterprise Solution Architect will play a leadership role on Howden Group IT projects reviewing requirements, solution specifications, reviewing solution options, defining and documenting high-level and detailed solution architecture for projects by engaging all relevant business and IT stakeholders, ensuring consistent implementation of strategic solutions across the business and representing the project in Architecture review and governance More ❯