1 to 25 of 94 Security Architecture Jobs in the South East

Head of Cyber Security Culture and Architecture Organisation: Foreign, Commonwealth and Development Office (FCDO) Salary: £69,500 - £90,600 Location: Hanslope Park (Milton Keynes) or East Kilbride - hybrid, min 60% in the office Terms: Permanent, Grade 6 Benefits: 25 days annual leave, Civil Service pension scheme (28.97%) Allen Lane is supporting the Foreign, Commonwealth and Development Office (FCDO … in their search for a Head of Cyber Security Culture and Architecture on a permanent basis. This is a Grade 6 vacancy in growing function within the Information and Cyber Security Department. We are growing our team to take on the ever-changing global security challenges and deliver innovative security solutions that will enable and … empower the FCDO to succeed. The Head of Cyber Security Culture and Architecture is responsible to the Chief Information Security Officer to define, lead and deliver, through their team, the FCDO’s secure architecture and its internal cyber security culture. The role ensures that secure deign is embedded across systems and services while fostering a More ❯

Head of Cyber Security Culture and Architecture Organisation: Foreign, Commonwealth and Development Office (FCDO) Salary: £69,500 - £90,600 Location: Hanslope Park (Milton Keynes) or East Kilbride - hybrid, min 60% in the office Terms: Permanent, Grade 6 Benefits: 25 days annual leave, Civil Service pension scheme (28.97%) Allen Lane is supporting the Foreign, Commonwealth and Development Office (FCDO … in their search for a Head of Cyber Security Culture and Architecture on a permanent basis. This is a Grade 6 vacancy in growing function within the Information and Cyber Security Department. We are growing our team to take on the ever-changing global security challenges and deliver innovative security solutions that will enable and … empower the FCDO to succeed. The Head of Cyber Security Culture and Architecture is responsible to the Chief Information Security Officer to define, lead and deliver, through their team, the FCDO’s secure architecture and its internal cyber security culture. The role ensures that secure deign is embedded across systems and services while fostering a More ❯

Permanent Based in Milton Keynes £50,000 pa - £60,000 pa Information Security Officer Hybrid Our client are a leading provider of software solutions for student accommodation, event management, catering, and residential services, they help institutions streamline operations, elevate customer experiences, and unlock their full potential.With over 25 years of experience and trusted by more than 350 institutions worldwide … your impact is real. If you're ready to help shape the future of operational technology in education and events, we'd love to meet you. An experienced Information Security Officer to lead security strategy, operations, and compliance. This is a hands-on role combining strategic security architecture with operational security management and regulatory compliance … oversight. The successful candidate will define security standards across our product portfolio, manage security environments, and serve as our central point for ISO27001, PCI/DSS, and GDPR compliance while supporting commercial teams with tender responses and client security assurance. Core Responsibilities: Strategic (30%) Define technical security architecture and standards across multi-cloud SaaS platforms More ❯

Permanent Based in Milton Keynes £50,000 pa - £60,000 pa Information Security Officer Hybrid Our client are a leading provider of software solutions for student accommodation, event management, catering, and residential services, they help institutions streamline operations, elevate customer experiences, and unlock their full potential. With over 25 years of experience and trusted by more than 350 institutions … your impact is real. If you're ready to help shape the future of operational technology in education and events, we'd love to meet you. An experienced Information Security Officer to lead security strategy, operations, and compliance. This is a hands-on role combining strategic security architecture with operational security management and regulatory compliance … oversight. The successful candidate will define security standards across our product portfolio, manage security environments, and serve as our central point for ISO27001, PCI/DSS, and GDPR compliance while supporting commercial teams with tender responses and client security assurance. Core Responsibilities: Strategic (30%) Define technical security architecture and standards across multi-cloud SaaS platforms More ❯

About Us Our Information & Technology (I&T) Digital Security organisation is on a mission to deliver scalable, flexible, and effective security services that support the evolving needs of our business. We operate as a centralised team, providing strategic security architecture and assurance across all business units, assets, and change initiatives. Our goal is to proactively mitigate … with our technology partners. Our team is committed to maintaining a secure digital environment that aligns with regulatory requirements and industry best practices. About the Role As an Information Security Architect, you will play a key role in shaping and maintaining our enterprise security architecture. You’ll work closely with enterprise architects, functional area specialists, and security experts to ensure that all IT systems and platforms are designed with robust, scalable, and compliant security solutions. Your responsibilities will include: Developing and maintaining security architectural models, standards, and procedures. Advising on security strategies to manage risks and ensure compliance with internal policies and external regulations. Supporting the creation of reference architectures and artefacts for More ❯

Role Title: Senior Security AI Solution Architect/Consultant Duration: contract to run until 26/03/2026 Location: London, Hybrid/Flexible (Occasional travel to NW may be required) Rate: up to £671 p/d Umbrella inside IR35 Role purpose/summary Our client is looking for a Snr Security AI Solution Architect/Consultant … To support and deliver secure AI solutions within financial services. The architect will shape strategy, design future-state architecture, and deliver practical security capabilities for AI adoption, ensuring compliance with evolving regulations and maintaining a strong security posture. Key Skills/requirements Assess “as-is” and “to-be” security architectures for AI Platforms, AI & GENAI Delivery … Roadmaps. Share Security AI & GENAI Security Learnings & Subject Matter Expertise. Shape the short- & long-term AI Security Architecture Strategy incorporating regulation (EUAI Act), standards, framework & policy priorities. Develop architectural documentation for AI security initiatives. Support the delivery of the AI Security Architecture Strategy across both internal & external stakeholders to Security. Ensure there is More ❯

Role Title: Senior Security AI Solution Architect/Consultant Duration: contract to run until 26/03/2026 Location: London, Hybrid/Flexible (Occasional travel to NW may be required) Rate: up to £671 p/d Umbrella inside IR35 Role purpose/summary Our client is looking for a Snr Security AI Solution Architect/Consultant … To support and deliver secure AI solutions within financial services. The architect will shape strategy, design future-state architecture, and deliver practical security capabilities for AI adoption, ensuring compliance with evolving regulations and maintaining a strong security posture. Key Skills/requirements Assess “as-is” and “to-be” security architectures for AI Platforms, AI & GENAI Delivery … Roadmaps. Share Security AI & GENAI Security Learnings & Subject Matter Expertise. Shape the short- & long-term AI Security Architecture Strategy incorporating regulation (EUAI Act), standards, framework & policy priorities. Develop architectural documentation for AI security initiatives. Support the delivery of the AI Security Architecture Strategy across both internal & external stakeholders to Security. Ensure there is More ❯

Role Title: Senior Security AI Solution Architect/Consultant Duration: contract to run until 26/03/2026 Location: London, Hybrid/Flexible (Occasional travel to NW may be required) Rate: up to £671 p/d Umbrella inside IR35 Role purpose/summary Our client is looking for a Snr Security AI Solution Architect/Consultant … To support and deliver secure AI solutions within financial services. The architect will shape strategy, design future-state architecture, and deliver practical security capabilities for AI adoption, ensuring compliance with evolving regulations and maintaining a strong security posture. Key Skills/requirements Assess “as-is” and “to-be” security architectures for AI Platforms, AI & GENAI Delivery … Roadmaps. Share Security AI & GENAI Security Learnings & Subject Matter Expertise. Shape the short- & long-term AI Security Architecture Strategy incorporating regulation (EUAI Act), standards, framework & policy priorities. Develop architectural documentation for AI security initiatives. Support the delivery of the AI Security Architecture Strategy across both internal & external stakeholders to Security. Ensure there is More ❯

Information Security Officer A fantastic opportunity for an experienced Information Security Officer to join a leading SaaS organisation providing enterprise-scale solutions. This is a hands-on, strategic role where you’ll take ownership of security strategy, operations, and compliance across multi-cloud environments; ensuring systems remain robust, scalable, and compliant with key standards such as ISO27001 …/DSS, and GDPR. Location: Milton Keynes - hybrid - at least 2 - 3 times a week in office Salary: £50,000 – £60,000 per annum + benefits Requirements for Information Security Officer Strong experience in information security within a SaaS or cloud-based software environment Proven success managing ISO27001 certification, audit cycles, and compliance programmes Excellent knowledge of GDPR … and experience embedding data protection into software systems Hands-on experience managing cloud security within Azure and/or AWS environments Knowledge of PCI/DSS standards for payment systems Understanding of application security, secure development lifecycles, and DevSecOps practices Strong communicator, able to translate complex security concepts for technical and non-technical stakeholders Advantageous: professional certifications More ❯

Senior Security Consultant (Architecture – AI Specialist) Up to £115,000 + £4,000 car allowance + 15% bonus + benefits Location: Hybrid (UK-based) | Security Clearance: Must be eligible for SC Our client is a leading global consultancy, delivering large-scale digital transformation and cybersecurity programmes across government and enterprise. They’re now expanding their security architecture function to bring in a senior specialist focused on AI and machine learning security,someone capable of shaping the future of secure, ethical, and compliant AI adoption across critical environments. What you’ll do This is a senior, strategic consulting role — driving AI/ML security architecture, influencing C-suite direction, and ensuring security-by-design across complex AI systems and data pipelines. You’ll define and deliver AI security strategies, develop reference architectures, and provide expert guidance on risk management, data protection, and ethical AI governance. You’ll also play a key role in client engagement, helping shape proposals, define solutions, and drive pre-sales activity. To justify the upper end More ❯

Senior Security Consultant (Architecture – AI Specialist) Up to £115,000 + £4,000 car allowance + 15% bonus + benefits Location: Hybrid (UK-based) | Security Clearance: Must be eligible for SC Our client is a leading global consultancy, delivering large-scale digital transformation and cybersecurity programmes across government and enterprise. They’re now expanding their security architecture function to bring in a senior specialist focused on AI and machine learning security,someone capable of shaping the future of secure, ethical, and compliant AI adoption across critical environments. What you’ll do This is a senior, strategic consulting role — driving AI/ML security architecture, influencing C-suite direction, and ensuring security-by-design across complex AI systems and data pipelines. You’ll define and deliver AI security strategies, develop reference architectures, and provide expert guidance on risk management, data protection, and ethical AI governance. You’ll also play a key role in client engagement, helping shape proposals, define solutions, and drive pre-sales activity. To justify the upper end More ❯

Senior Security Consultant (Architecture – AI Specialist) Up to £115,000 + £4,000 car allowance + 15% bonus + benefits Location: Hybrid (UK-based) | Security Clearance: Must be eligible for SC Our client is a leading global consultancy, delivering large-scale digital transformation and cybersecurity programmes across government and enterprise. They’re now expanding their security architecture function to bring in a senior specialist focused on AI and machine learning security,someone capable of shaping the future of secure, ethical, and compliant AI adoption across critical environments. What you’ll do This is a senior, strategic consulting role — driving AI/ML security architecture, influencing C-suite direction, and ensuring security-by-design across complex AI systems and data pipelines. You’ll define and deliver AI security strategies, develop reference architectures, and provide expert guidance on risk management, data protection, and ethical AI governance. You’ll also play a key role in client engagement, helping shape proposals, define solutions, and drive pre-sales activity. To justify the upper end More ❯

and customers with an integrated energy offering. Delivering our strategy sustainably is fundamental to achieving our ambition to be a net zero company by 2050 or sooner! The Cyber Security Incident Response Team (CSIRT), part of Counter Threat & Engineering (CT&E), responds to digital security threats and incidents globally from bp hubs in Houston, Sunbury, Kuala Lumpur, Pune … and Singapore. The Security Operations Center (SOC) raises incidents to CSIRT, which conducts long-term investigations using digital forensics, advanced techniques, and collaborating across bp. Team members must understand bps business segments and address a broad range of security-related questions. You will help ensure enterprise security, enabling safe and secure business operations as part of this … global team. Key Accountabilities Support the bp SOC as an escalation point for security events and incidents. Conduct digital forensic investigations on high-priority incidents to include functions such as host (disk and memory) forensics, network forensics and log analysis. Work across Digital Security and the bp business functions to partner on incidents and to ensure all appropriate More ❯

and customers with an integrated energy offering. Delivering our strategy sustainably is fundamental to achieving our ambition to be a net zero company by 2050 or sooner! The Cyber Security Incident Response Team (CSIRT), part of Counter Threat & Engineering (CT&E), responds to digital security threats and incidents globally from bp hubs in Houston, Sunbury, Kuala Lumpur, Pune … and Singapore. The Security Operations Center (SOC) raises incidents to CSIRT, which conducts long-term investigations using digital forensics, advanced techniques, and collaborating across bp. Team members must understand bps business segments and address a broad range of security-related questions. You will help ensure enterprise security, enabling safe and secure business operations as part of this … global team. Key Accountabilities Support the bp SOC as an escalation point for security events and incidents. Conduct digital forensic investigations on high-priority incidents to include functions such as host (disk and memory) forensics, network forensics and log analysis. Work across Digital Security and the bp business functions to partner on incidents and to ensure all appropriate More ❯

and customers with an integrated energy offering. Delivering our strategy sustainably is fundamental to achieving our ambition to be a net zero company by 2050 or sooner! The Cyber Security Incident Response Team (CSIRT), part of Counter Threat & Engineering (CT&E), responds to digital security threats and incidents globally from bp hubs in Houston, Sunbury, Kuala Lumpur, Pune … and Singapore. The Security Operations Center (SOC) raises incidents to CSIRT, which conducts long-term investigations using digital forensics, advanced techniques, and collaborating across bp. Team members must understand bps business segments and address a broad range of security-related questions. You will help ensure enterprise security, enabling safe and secure business operations as part of this … global team. Key Accountabilities Support the bp SOC as an escalation point for security events and incidents. Conduct digital forensic investigations on high-priority incidents to include functions such as host (disk and memory) forensics, network forensics and log analysis. Work across Digital Security and the bp business functions to partner on incidents and to ensure all appropriate More ❯

Security Architect | 6 Month Contract | Defence Client | SC Clearance Required | Up to £800 per day (Outside IR35) | Andover (1-2 days per week on-site) MERITUS are working with an expanding Defence Consultancy working with a UK Defence client based in Andover. We're looking for an experienced Security Architect with a strong background in UK Defence - ideally … with hands-on experience working on Army systems or programmes. The role involves both security and solution architecture, so it suits someone confident working across technical and operational teams. Frontline experience or exposure to Army systems would be a real advantage, as this work is closely aligned with how those systems are used in practice. Candidates must hold … an active SC Clearance. Main Responsibilities: Lead detailed security architecture reviews across Army delivery areas, identifying risks and recommending practical design improvements. Produce clear, high-quality architecture documentation and models using Sparx Enterprise Architect, ArchiMate, and NAFv4. Create and maintain technology management plans, including configuration, cryptography, and assurance processes. Work closely with security, architecture, and More ❯

Role: Information Security Officer Location: Milton Keynes Salary: £50k - £60k Work Pattern: Hybrid Summary: A new position has opened at an exciting software company for an Information Security Officer to lead the organisation's security strategy, operations, and compliance efforts. This hands-on role blends strategic security architecture with day-to-day operational management and … regulatory compliance oversight. The ideal candidate will establish and maintain security standards across the product portfolio, oversee secure system environments, and act as the primary contact for ISO 27001, PCI DSS, and GDPR compliance. Additionally, this role will support our commercial teams by contributing to tender responses and ensuring client security assurance. The Company: They are a technology … experience and a broad global client base, they develop solutions that simplify complexity and drive smarter, more efficient ways of working. Core Responsibilities: Strategic (30%) Define and maintain robust security architecture and standards across multi-cloud SaaS platforms. Integrate security best practices into product design, development, and roadmap planning. Conduct threat modelling and risk assessments for new More ❯

Cyber - Technical Security Architect (MOD) Location: Remote + South East/South West on-site presence as required Contract Type: Permanent & Full-time Salary: Competitive + Benefits About the Role As a Technical Cyber Security Architect, you will play a pivotal role in shaping secure architecture and delivering expert consultancy to our clients, particularly within the MOD … to design, validate, and implement secure solutions that align with business and regulatory requirements. Key Responsibilities Provide secure design advice and guidance throughout the project lifecycle. Ensure adherence to security standards, blueprints, and architectural patterns. Promote Secure by Design principles to reduce information risk. Validate the effectiveness of security controls and recommend improvements. Deliver security architecture for cloud and hybrid environments. Scope and review IT Health Checks (ITHC) and produce remediation plans. Conduct threat modelling, risk assessments, and design proportional controls. Produce security architecture artefacts including standards and blueprints. Travel to client sites (approx. 40-60%) as required for classified system access. Experience Required The successful candidate will possess Proven experience working in More ❯

IT Security Engineer Feltham (Hybrid) £45,000 - £55,000 Base + Benefits Overview The IT Security Engineer is responsible for designing, implementing, and maintaining the security controls that protect the organization’s systems, networks, and data. This role works closely with IT, DevOps, and business teams to ensure that security is embedded throughout technology operations and … architecture. The IT Security Engineer is key to detecting, preventing, and responding to cybersecurity threats in a proactive and efficient manner. Key Responsibilities: Security Architecture & Implementation Design, deploy, and manage security solutions including firewalls, intrusion detection/prevention systems, endpoint protection, SIEM, and identity management platforms. Implement secure network architecture and enforce segmentation and least … privilege access controls. Support secure cloud environments across Azure, AWS, or GCP (e.g., IAM, security groups, encryption, KMS). Threat Detection & Incident Response Monitor and analyze security alerts and network traffic for threats or suspicious activity. Lead or support incident response activities: investigation, containment, eradication, recovery, and reporting. Conduct root cause analysis and implement security hardening improvements. More ❯

Security Architect 6 Month Contract Location: Home/Andover (2 days on site) Rate: £750 - £800 per day (OUTSIDE IR35) Skills: Security Architecture, Sparx EA, SC Clearance We are looking to recruit an SC Cleared Security Architect for a leading technology consultancy. Due to the nature of the work valid SC clearance is essential. This is … an excellent opportunity for an experienced Security Architect that is capable of shaping and reviewing complex technical architectures and ensuring security is embedded across systems and integrations. This is a hybrid role with 2 days a week based on customer site in Andover. Key Responsibilities: Lead security architecture reviews across client delivery areas, identifying risks and … solution-wide reviews ensuring secure integration across systems and deployments. Produce detailed architectural artefacts and documentation (e.g. in Sparx Enterprise Architect using ArchiMate/NAFv4 ). Develop and maintain security management plans covering configuration, cryptography, and assurance controls. Collaborate with senior stakeholders to align with governance and programme requirements. Essential Experience: Strong UK Defence background , ideally within the British More ❯

Logiq is a fast‐growing technology company delivering secure, modern platforms for high‐risk, mission‐critical environments across the private sector and UK Central Government. We are expanding our Security Architecture capability and seeking experienced Principal Security Architects who can shape, assure, and enable delivery of secure, cloud‐native services at scale. You will be comfortable working … across the full systems lifecycle, from discovery and architecture through delivery and transition to live, serving as a trusted “customer friend”. You’ll partner with engineering, product, and senior leadership to embed Secure by Design, de‐risk complex change, and simplify security for decision‐makers. A strong grasp of how contemporary cloud‐native services (containers, Kubernetes, microservices …/serverless, identity, secrets, and zero trust patterns) are designed and implemented is essential to success in this role. Our consultants lead parallel workstreams spanning security engineering and assurance, maintain day‐to‐day client engagement, and contribute to presales and bid activity when needed. What you’ll do Secure product & platform delivery (cloud‐native focus) • Provide hands‐on cyber More ❯

Logiq is a fast‐growing technology company delivering secure, modern platforms for high‐risk, mission‐critical environments across the private sector and UK Central Government. We are expanding our Security Architecture capability and seeking experienced Principal Security Architects who can shape, assure, and enable delivery of secure, cloud‐native services at scale. You will be comfortable working … across the full systems lifecycle, from discovery and architecture through delivery and transition to live, serving as a trusted “customer friend”. You’ll partner with engineering, product, and senior leadership to embed Secure by Design, de‐risk complex change, and simplify security for decision‐makers. A strong grasp of how contemporary cloud‐native services (containers, Kubernetes, microservices …/serverless, identity, secrets, and zero trust patterns) are designed and implemented is essential to success in this role. Our consultants lead parallel workstreams spanning security engineering and assurance, maintain day‐to‐day client engagement, and contribute to presales and bid activity when needed. What you’ll do Secure product & platform delivery (cloud‐native focus) • Provide hands‐on cyber More ❯

Logiq is a fast‐growing technology company delivering secure, modern platforms for high‐risk, mission‐critical environments across the private sector and UK Central Government. We are expanding our Security Architecture capability and seeking experienced Principal Security Architects who can shape, assure, and enable delivery of secure, cloud‐native services at scale. You will be comfortable working … across the full systems lifecycle, from discovery and architecture through delivery and transition to live, serving as a trusted “customer friend”. You’ll partner with engineering, product, and senior leadership to embed Secure by Design, de‐risk complex change, and simplify security for decision‐makers. A strong grasp of how contemporary cloud‐native services (containers, Kubernetes, microservices …/serverless, identity, secrets, and zero trust patterns) are designed and implemented is essential to success in this role. Our consultants lead parallel workstreams spanning security engineering and assurance, maintain day‐to‐day client engagement, and contribute to presales and bid activity when needed. What you’ll do Secure product & platform delivery (cloud‐native focus) • Provide hands‐on cyber More ❯

compute platforms, data networks, UNIX/Linux/Windows environments, cloud services, data centres, commercial software solutions, and end-user support across all UKAEA sites. Role Overview : The Cyber Security Specialist plays a pivotal role in advancing UKAEA's hybrid digital estate, encompassing enterprise IT, operational technology (OT), and research platforms. This role sits within the Information & Cyber Security Group and provides subject matter expertise in security architecture, cyber risk governance, and assurance frameworks. This is a cross-functional role with both advisory and hands-on responsibilities, focusing on security assurance, risk management and supporting architecture reviews, vulnerability management, risk assessments, cyber defence posture, driving technical assurance, and embedding risk-aligned security controls … OT systems and secure-by-design practices. You will work across hybrid environments including cloud, infrastructure, applications, and OT systems. You will be responsible for designing and advising on security architecture patterns, reviewing and maintaining risk registers, leading assurance assessments, and embedding security controls across infrastructure and platforms. You will also guide teams in applying secure-by More ❯

About the role Here at DS Smith, a multi-national sustainable packaging provider, we are looking for a Security Assurance Analyst to join our growing Security Team. The mission of the I&T Digital Security organisation is to deliver an efficient and effective service that has scalability and flexibility to support the demands of a FTSE … business.Supporting Head of Information Security Architecture and Assurance as well as working closely with key stakeholders including Head of Governance, Risk and Compliance, Digital Security, IT and business teams you will focus on core areas such as risk management and security due-diligence reviews ensuring compliance with legal, regulatory and relevant security policies and best … practices.In this position you will provide assurance and guidance that the security features, practices, procedures, and architecture of an information system accurately mediates and enforces the security policies.Visibility and the ability to build close working relationships with Information & Technology (I&T) team members, business stakeholders as well as external partners is essential. This will require some ‘on More ❯