1 to 25 of 44 Security Architect Jobs in the South East

Security Architect (Network Security) Location -Warwick/Wokingham/Hybrid About the Role We are seeking an experienced Security Architect (Network Security) to design, implement, and maintain enterprise-grade network security solutions. This role will play a critical part in safeguarding infrastructure, ensuring compliance with global standards, and driving a proactive security posture across the organization. You will work closely with cross-functional IT teams, influence security strategy, and provide expert guidance on best practices in a highly regulated environment. Key Responsibilities Design, architect, and maintain network security infrastructure including Firewalls, IDPS, Proxies, Load Balancers, VPNs, and WAFs. Develop and manage firewall policies, network access controls, IAM solutions … MFA, RBAC, and privilege management . Ensure alignment of security measures with compliance standards (GDPR, HIPAA, PCI DSS). Conduct regular security audits and assessments to identify and remediate risks. Apply industry frameworks such as NIST Cybersecurity Framework, ISO 27001, CIS Controls . Oversee and enhance security technologies: SIEM, vulnerability management, cloud security (OCI/Azure More ❯

Job Title: Information Security Architect Location: London Hybrid Working: 50% Remote/50% Office Leading Financial Services/FinTech are seeking a highly technical and broad Information Security Architect to join their security architecture team. This is a key position responsible for ensuring that the design, delivery, and operation of systems and services meet the … highest security architecture and compliance standards. Information Security Architect will provide architectural leadership across multiple security domains — combining deep hands-on technical security expertise with strategic enterprise security architecture thinking. You will play a critical role in embedding security throughout the technology landscape, from solution-level security reviews to security solutions … and enterprise-wide security architecture standards. This role requires a balance of security solution architecture, technical review and assurance, and enterprise security architecture skills. You will define and validate security controls, assess new technologies, perform security design reviews, and ensure security-by-design principles are consistently applied across hybrid, on-premise, and cloud environments. More ❯

Job Title: Information Security Architect Location: London Hybrid Working: 50% Remote/50% Office Leading Financial Services/FinTech are seeking a highly technical and broad Information Security Architect to join their security architecture team. This is a key position responsible for ensuring that the design, delivery, and operation of systems and services meet the … highest security architecture and compliance standards. Information Security Architect will provide architectural leadership across multiple security domains — combining deep hands-on technical security expertise with strategic enterprise security architecture thinking. You will play a critical role in embedding security throughout the technology landscape, from solution-level security reviews to security solutions … and enterprise-wide security architecture standards. This role requires a balance of security solution architecture, technical review and assurance, and enterprise security architecture skills. You will define and validate security controls, assess new technologies, perform security design reviews, and ensure security-by-design principles are consistently applied across hybrid, on-premise, and cloud environments. More ❯

Job Title: Information Security Architect Location: London Hybrid Working: 50% Remote/50% Office Leading Financial Services/FinTech are seeking a highly technical and broad Information Security Architect to join their security architecture team. This is a key position responsible for ensuring that the design, delivery, and operation of systems and services meet the … highest security architecture and compliance standards. Information Security Architect will provide architectural leadership across multiple security domains — combining deep hands-on technical security expertise with strategic enterprise security architecture thinking. You will play a critical role in embedding security throughout the technology landscape, from solution-level security reviews to security solutions … and enterprise-wide security architecture standards. This role requires a balance of security solution architecture, technical review and assurance, and enterprise security architecture skills. You will define and validate security controls, assess new technologies, perform security design reviews, and ensure security-by-design principles are consistently applied across hybrid, on-premise, and cloud environments. More ❯

AI/ML Security Architect £130000 GBP Onsite WORKING Location: Central London, Greater London - United Kingdom Type: Permanent Security Architect - ML/AI Systems UK | Hybrid | Up to £130,000 + Package | SC Eligible We're looking for a hands-on Security Architect with deep expertise in ML/AI systems to join a … leading Security Team. This is a rare opportunity to act as a technical SME, shaping the security of AI-driven systems in high-stakes environments. What you'll be doing: Own and design security architectures for ML/AI systems, ensuring robust protection across all stages of the AI lifecycle. Act as the technical SME, providing guidance … and solutions to complex security challenges in AI/ML deployments. Work closely with engineering, data science, and DevSecOps teams to embed security best practices. Assess and mitigate risks specific to AI models, data pipelines, and ML/AI frameworks. Influence security strategy and contribute to cutting-edge AI security initiatives. Experience & Skills Required: Proven hands More ❯

Principle Security Architect £120000 GBP Onsite WORKING Location: Chelmsford, East of England - United Kingdom Type: Permanent Application Security Architect UK-Wide (London optional) Up to £120,000 + Package - Permanent We're looking for a seasoned Security Architect with a strong focus on application security and a proven track record in consulting. This … opportunity to work across complex public sector programmes, helping organisations design secure applications while influencing strategy and best practice across the practice. What you'll be doing: Leading application security architecture for high-profile public sector clients. Advising on and implementing secure development practices aligned with OWASP, threat modelling, and secure SDLC frameworks. Supporting pre-sales, solution design, and … client engagements across consulting projects. Mentoring and upskilling client teams and internal consultants on application security. Experience required: Consulting experience in application security architecture, preferably with exposure to public sector clients. Deep knowledge of OWASP Top 10, secure coding practices, threat modelling, and vulnerability management. Experience influencing design and security strategy across large programmes. Strong communication and client More ❯

Security Architect – ML/AI Systems 📍 UK | Hybrid | Up to £130,000 + Package | SC Eligible We’re looking for a hands-on Security Architect with deep expertise in ML/AI systems to join a leading Security Team. This is a rare opportunity to act as a technical SME, shaping the security of … AI-driven systems in high-stakes environments. What you’ll be doing: Own and design security architectures for ML/AI systems, ensuring robust protection across all stages of the AI lifecycle. Act as the technical SME, providing guidance and solutions to complex security challenges in AI/ML deployments. Work closely with engineering, data science, and DevSecOps … teams to embed security best practices. Assess and mitigate risks specific to AI models, data pipelines, and ML/AI frameworks. Influence security strategy and contribute to cutting-edge AI security initiatives. Experience & Skills Required: Proven hands-on experience securing ML/AI systems (not theoretical knowledge). Deep technical expertise in AI/ML architectures, data More ❯

Security Architect – ML/AI Systems 📍 UK | Hybrid | Up to £130,000 + Package | SC Eligible We’re looking for a hands-on Security Architect with deep expertise in ML/AI systems to join a leading Security Team. This is a rare opportunity to act as a technical SME, shaping the security of … AI-driven systems in high-stakes environments. What you’ll be doing: Own and design security architectures for ML/AI systems, ensuring robust protection across all stages of the AI lifecycle. Act as the technical SME, providing guidance and solutions to complex security challenges in AI/ML deployments. Work closely with engineering, data science, and DevSecOps … teams to embed security best practices. Assess and mitigate risks specific to AI models, data pipelines, and ML/AI frameworks. Influence security strategy and contribute to cutting-edge AI security initiatives. Experience & Skills Required: Proven hands-on experience securing ML/AI systems (not theoretical knowledge). Deep technical expertise in AI/ML architectures, data More ❯

Security Architect – ML/AI Systems 📍 UK | Hybrid | Up to £130,000 + Package | SC Eligible We’re looking for a hands-on Security Architect with deep expertise in ML/AI systems to join a leading Security Team. This is a rare opportunity to act as a technical SME, shaping the security of … AI-driven systems in high-stakes environments. What you’ll be doing: Own and design security architectures for ML/AI systems, ensuring robust protection across all stages of the AI lifecycle. Act as the technical SME, providing guidance and solutions to complex security challenges in AI/ML deployments. Work closely with engineering, data science, and DevSecOps … teams to embed security best practices. Assess and mitigate risks specific to AI models, data pipelines, and ML/AI frameworks. Influence security strategy and contribute to cutting-edge AI security initiatives. Experience & Skills Required: Proven hands-on experience securing ML/AI systems (not theoretical knowledge). Deep technical expertise in AI/ML architectures, data More ❯

Overview Technical Security Architect - Must have an Active DV Clearance We're seeking a highly skilled Technical Security Architect to take the lead on embedding security across the design, development, and integration of complex network infrastructures. Working within an Agile Scrum environment, the Technical Security Architect will play a vital part in shaping … secure platforms by applying Secure by Design and NIST principles throughout the delivery lifecycle. Responsibilities Lead the design and delivery of secure infrastructure solutions across large-scale programmes. Integrate security controls and considerations into network architecture, ensuring alignment with Secure by Design methodologies. Act as the security subject matter expert within Agile Scrum teams, collaborating closely with architects … integrators, and testers. Contribute to the development of security-enforcing capabilities across platforms and services. Present and defend security design decisions to peers and senior stakeholders. Qualifications Strong background in network infrastructure design and review , with a focus on security. Proven experience designing and documenting security architectures and solutions . Expertise in vulnerability scanning design and implementation More ❯

SC Cleared Security Architect - 6 Month Contract (OUTSIDE IR35) - Hampshire iO Associates are currently looking for an SC Cleared Security Architect - this an OUTSIDE IR35 Contract role for an initial 6 months and the client needs someone onsite 2-3 days a week in Hampshire due to the nature of work. The client is offering up … to £750 a day (OUTSIDE IR35) - we need an experienced Security Architect with active SC Clearance. The start date for this is December 1st , although the client will likely be flexible and will accept a 1 month notice. Here's what we're looking for: Extensive UK Defence sector experience, ideally with Army programmes and stakeholders. Security architecture expertise across UK Defence, identity and access management, and secure integration. Modelling skills in Sparx Enterprise Architect, using ArchiMate and NAFv4, and applying model-driven traceability Solid grasp of UK guidance and standards used across Defence. Ability to translate complex risk and design issues into clear options and recommendations for mixed technical and non-technical audiences. Excellent 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 delivery 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 recommending design improvements. Conduct 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 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 … 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 a Security More ❯

ISG Provider LensTM 2025 for Digital Engineering Services 2025 and the Everest Group Talent Readiness for Next-generation Application Services PEAK Matrix® Assessment 2025 About Position and details: Role : Security Architect (HLD) Location: Harbour Exchange Square, London Hybrid: 2 days to office Job Type: Permanent role JD: Experience in authoring substantial quality high level designs-Must Identity and … Access Management (IAM) is Must Expertise in producing security solutions Expertise in designing and integrating various security tools specially. Expertise in Infrastructure cloud solutions (AWS, GCP, Azure) Key responsibilities: Develop Solution Design Documents (SDDs) for security solutions, ensuring alignment with enterprise architecture and security policies. Design and architect solutions across various security domains including … Data Loss Prevention (DLP) Security Information and Event Management (SIEM) Identity and Access Management (IAM) Endpoint Detection and Response (EDR), MDM, and Endpoint Management tools Cloud and On-Prem Security Solutions Collaborate with stakeholders such as IT operations, application teams, compliance, and risk management to gather requirements and translate them into secure technical designs. Evaluate and recommend security More ❯

ISG Provider LensTM 2025 for Digital Engineering Services 2025 and the Everest Group Talent Readiness for Next-generation Application Services PEAK Matrix® Assessment 2025 About Position and details: Role : Security Architect (HLD) Location: Harbour Exchange Square, London Hybrid: 2 days to office Job Type: Permanent role JD: Experience in authoring substantial quality high level designs-Must Identity and … Access Management (IAM) is Must Expertise in producing security solutions Expertise in designing and integrating various security tools specially. Expertise in Infrastructure cloud solutions (AWS, GCP, Azure) Key responsibilities: Develop Solution Design Documents (SDDs) for security solutions, ensuring alignment with enterprise architecture and security policies. Design and architect solutions across various security domains including … Data Loss Prevention (DLP) Security Information and Event Management (SIEM) Identity and Access Management (IAM) Endpoint Detection and Response (EDR), MDM, and Endpoint Management tools Cloud and On-Prem Security Solutions Collaborate with stakeholders such as IT operations, application teams, compliance, and risk management to gather requirements and translate them into secure technical designs. Evaluate and recommend security More ❯

ISG Provider LensTM 2025 for Digital Engineering Services 2025 and the Everest Group Talent Readiness for Next-generation Application Services PEAK Matrix® Assessment 2025 About Position and details: Role : Security Architect (HLD) Location: Harbour Exchange Square, London Hybrid: 2 days to office Job Type: Permanent role JD: Experience in authoring substantial quality high level designs-Must Identity and … Access Management (IAM) is Must Expertise in producing security solutions Expertise in designing and integrating various security tools specially. Expertise in Infrastructure cloud solutions (AWS, GCP, Azure) Key responsibilities: Develop Solution Design Documents (SDDs) for security solutions, ensuring alignment with enterprise architecture and security policies. Design and architect solutions across various security domains including … Data Loss Prevention (DLP) Security Information and Event Management (SIEM) Identity and Access Management (IAM) Endpoint Detection and Response (EDR), MDM, and Endpoint Management tools Cloud and On-Prem Security Solutions Collaborate with stakeholders such as IT operations, application teams, compliance, and risk management to gather requirements and translate them into secure technical designs. Evaluate and recommend security More ❯

This is an excellent opportunity for Sr. Cloud Security Architect professionals to be part of leading-edge technology projects. Cognizant's Cloud, Infrastructure & Security Services Practice provides end-to-end solutions covering architecture, design, implementation, management, and on-going support across the entire enterprise technology infrastructure. Our services include a spectrum of management, consulting, and systems integration … services to help our clients maximize value in their infrastructure resources, while optimizing infrastructure performance and cost. Key Responsibilities: Design, implement, and maintain scalable security solutions using AWS services such as AWS WAF, AWS Shield Advanced, AWS Secrets Manager, AWS Inspector, AWS Macie, AWS GuardDuty, AWS Detective, AWS CloudTrail, and AWS Security Hub. Ensure cloud environments meet organizational … and compliance security standards, Firewall Management Manage, configure, and troubleshoot Checkpoint Firewall to maintain network perimeter security and prevent unauthorized access, Infrastructure as Code (IaC) Develop and maintain IaC using AWS CloudFormation or Terraform for automated deployment, configuration management, and consistent infrastructure provisioning. Security Configuration and Optimization Configure and optimize security measures, including IAM policies, security 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 click 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 … page CV's that have been tailored to the Job description noting the relevant experiences that align. Extensive CV's will not be considered. The Opportunity As the Enterprise Security Architect, you’ll own the definition and implementation of enterprise-wide security architecture. You’ll be responsible for designing strategies and frameworks that secure critical systems and … services, spanning both on-premise and cloud environments. You’ll also play a hands-on leadership role in mentoring solution and technical architects, ensuring security is a foundational part of the enterprise’s long-term technology roadmap. Key Responsibilities Define and lead the development of the organisation’s cybersecurity architecture strategy and roadmaps Translate business and technology strategies into 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 … page CV's that have been tailored to the Job description noting the relevant experiences that align. Extensive CV's will not be considered. The Opportunity As the Enterprise Security Architect, you’ll own the definition and implementation of enterprise-wide security architecture. You’ll be responsible for designing strategies and frameworks that secure critical systems and … services, spanning both on-premise and cloud environments. You’ll also play a hands-on leadership role in mentoring solution and technical architects, ensuring security is a foundational part of the enterprise’s long-term technology roadmap. Key Responsibilities Define and lead the development of the organisation’s cybersecurity architecture strategy and roadmaps Translate business and technology strategies into 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 … page CV's that have been tailored to the Job description noting the relevant experiences that align. Extensive CV's will not be considered. The Opportunity As the Enterprise Security Architect, you’ll own the definition and implementation of enterprise-wide security architecture. You’ll be responsible for designing strategies and frameworks that secure critical systems and … services, spanning both on-premise and cloud environments. You’ll also play a hands-on leadership role in mentoring solution and technical architects, ensuring security is a foundational part of the enterprise’s long-term technology roadmap. Key Responsibilities Define and lead the development of the organisation’s cybersecurity architecture strategy and roadmaps Translate business and technology strategies into More ❯

A global solution provider is looking to expand their cyber security team - hiring for a few security experts. If you are a passionate cyber security architect (with elibility to apply for SC clearance), let's connect for a quick chat! What you'll do: As a Security Architect, you'll contribute to the design … for our clients. Support the design of secure end-to-end solutions aligned with business goals, risk appetite, and compliance standards Conduct threat modelling, risk assessments, and recommend effective security controls following "Secure by Design" principles Develop security documentation, reference architectures, and governance frameworks aligned with NIST, NCSC, and ISO standards Collaborate with stakeholders across all defence lines … to ensure regulatory, privacy, and risk compliance Mentor junior consultants and support the growth of the Security Practice through knowledge sharing and proposal development Drive continuous improvement through the review of existing controls, KPIs, and compliance measures What you'll bring: Knowledge of frameworks such as NIST CSF, NIST 800-53, and NCSC CAF Strong understanding of networking, cloud More ❯

Network and Endpoint Security Architect Location: London Please Note: Due to the nature of client work you will be undertaking, you will need to be willing to go through a Security Clearance process as part of this role, which requires 5+ years UK address history at the point of application. Accenture is a leading global professional services … with our clients and with the communities in which we work and live. It is personal to all of us.” – Julie Sweet, Accenture CEO As a Network and Endpoint Security Architect, you will: Act as the technical lead in customer-facing engagements, translating complex security needs into effective solution architectures Design Zero Trust-aligned network and endpoint … to client requirements & their environments The following skills and experience are essential for this role: 14+ years of experience in cybersecurity, with a strong emphasis on network and endpoint security architecture Proven ability to operate in a technical pre-sales or consulting capacity, translating customer requirements into secure solution designs Strong understanding of network security principles, including firewalls 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 threats … 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 ❯