22 of 22 Security Architect Jobs in the South East

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 ❯

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 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 products, tools, and technologies. Ensure solutions 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 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 products, tools, and technologies. Ensure solutions 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 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 products, tools, and technologies. Ensure solutions 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 ❯

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 ❯

Location: Remote Clearance Required: Active SC Contract Type: 6 Months Overview: Our public sector consultancy client is looking for an SC-cleared Cyber Security Architect to support ongoing digital transformation and security assurance work. The role will focus on designing secure systems and advising on risk mitigation strategies across government projects. Key Skills: Experience in cyber security architecture and secure system design Knowledge of public sector security standards and frameworks Ability to assess risks and define security controls Strong documentation and stakeholder communication skills Familiarity with cloud and hybrid environments More ❯

Job Description – Cyber Security Architect Role Location – Any UK Salary: Competitive (based on experience) Level: Accenture will be hiring at Associate Manager level Please Note: Any offer of employment is subject to satisfactory BPSS and SC security clearance which typically requires 5 years continuous UK address history usually including no periods of 30 consecutive days or more More ❯

On-site/Hybrid (UK-based) Clearance Required: DV (Developed Vetting) Contract Type: Long-term, Outside IR35 Overview: Our public sector consultancy client is seeking a DV-cleared Cyber Security Architect to support secure architecture design and implementation across sensitive government programmes. The role involves working closely with stakeholders to ensure systems meet security and compliance requirements. … Key Skills: Proven experience in cyber security architecture within secure environments Strong understanding of NCSC principles, risk management Secure by design experience Ability to produce HLD/LLD and security documentation Stakeholder engagement and technical leadership 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 … 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 consultancy across digital product lifecycles, championing Secure by Design and privacy‐by‐default. • Conduct 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 … 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 consultancy across digital product lifecycles, championing Secure by Design and privacy‐by‐default. • Conduct 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 … 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 consultancy across digital product lifecycles, championing Secure by Design and privacy‐by‐default. • Conduct More ❯

Principal Engineer – Product Security Location: Frimley (hybrid – average of 2–3 days onsite per week) Rate: £85.40 per hour/umbrella (inside IR35), approx. £632 per day Contract: 6-months initially (potential for extension or to go permanent) Hours: 37 per week Clearance: Active SC Clearance required Restrictions: ITAR and “UK Eyes Only”, please note only sole British citizens … can apply About the Role We're seeking a highly experienced Principal Product Security Engineer to join one of our clients Product Security Engineering teams, supporting the delivery and through-life management of secure submarine systems and products. As a key focal point for security and information risk, you'll apply deep technical expertise to ensure that … and supported securely, safely, and in compliance with contractual and regulatory requirements. You'll provide subject matter expertise to internal stakeholders, support technical authorities, and influence the development of security strategies, policies, and best practices across major defence programmes. Key Responsibilities Provide expert advice on Product Security to engineering and project teams. Analyse system architectures to identify threats More ❯

Network Architect - Defence and National Security Salary: £70k - £78k 10% DV Clearance Allowance paid monthly Car Allowance: £6k 15% Bonus Total Compensation circa: £90k - £103k You will join a global IT Consultancy, and help government clients through their digital transformation journey. Clearance: Candidates must be willing and eligible to go through SC and DV clearance for this role. … the Programme and Project Managers to deliver the required network designs within all work streams (Main Programme, Live Service, Service Requests and Requests for Change). Support the Lead Architect/deputy CTO in defining designs in line with requirements. Support the Network Design Engineers and Support Engineers with delivery and operational challenges. Create and be responsible for HLD … the configuration and support of said design. Demonstrable troubleshooting skills and approach to defect resolution. Strong technical networking knowledge (with vendor certifications) of routing protocols, virtual routing instances, VPNs, Security zones and policies, QoS, high availability Experienced in configuring Juniper (SRX, EX), Cisco and Gigamon network products Solid understanding of customer end to end life-cycle Excellent communications skills More ❯