24 security architect jobs found in London

Security Architect - AWS - Active Security Clearance Required 9 month contract + Inside IR35: £600 - £650 p/d Hybrid - 1x a month in London We're looking for a Security Architect with strong technical instincts and a proactive mindset to help shape secure solutions across digital services. Working within a collaborative and multidisciplinary team, you'll provide practical security guidance, contribute to the design of secure systems, and help ensure that risks are appropriately identified, communicated, and mitigated. This is a hands-on role ideal for someone looking to deepen their skillset within a high-profile, public sector programme. What You'll Be Doing Designing secure system architectures that balance business objectives with risk Advising delivery teams on security best practice throughout the development lifecycle Supporting the development of reusable security architecture patterns Reviewing technical solutions and offering constructive security input Communicating...

Location: London, 4 days a week on site Outside IR35 contract - (Apply online only) a day We are looking for an SC, preferably DV cleared self-motivated and experienced Security Architect to lead in bringing enhanced and new services into what is key government asset. Working within a specialist services company you will drive and/or create the necessary artefacts to help the client organisation deliver rapid change. You will have excellent interpersonal skills and a pragmatic approach to getting change through delivered successfully through the internal Security Governance group. Key Responsibilities: The ideal candidate will have come from a strong technical background, and have an understanding of attack vectors for high threat environments, across both proprietary and open-source technology stacks. You will advise and enable technical teams to make security decisions and provide advice and guidance, ensuring the effective use of common tools and patterns. You will have a...

Cyber Security Architect (Hybrid - London) - IAM/Cloud/Infrastructure Type: Contract 6+ months Rate: Up to £750 a day (Inside IR35) Location: Hybrid - 3 days per week onsite (London office) Overview An established national organisation is seeking an experienced Cyber Security Architect to help shape and safeguard its enterprise technology landscape. This is a senior, influential contract role ideal for someone who blends strategic architectural thinking with practical, delivery‑focused cyber security expertise. You will work across technology, business, and governance teams, ensuring solutions are secure, risk‑aligned, and supportive of wider organisational objectives. This role offers the opportunity to solve complex security challenges, influence senior stakeholders, and design security approaches that enable the business. Skills & Experience Required Core Competencies Strong influencing and negotiation skills. Ability to communicate clearly across written, verbal,...

Security Architect - Cloud Security £550-£620 per day Umbrella | Inside IR35 Location: UK Based (Hybrid/Remote options available) Sector: UK Central Government Contract: 30 Weeks We are currently looking for an experienced Security Architect to join a high-profile programme within the UK Central Government sector. This is an exciting opportunity to play a key role in the "(phone number removed) Cab Off One Login" project, helping shape and deliver secure cloud architecture solutions across a complex enterprise environment. The Role As a Security Architect, you will define and deliver robust cloud security frameworks and architectures that align with business requirements, operational performance goals, and government security standards. You will act as a Subject Matter Expert (SME), influencing key stakeholders, advising technical teams, and contributing to strategic security decisions across multiple workstreams. This role requires strong expertise across cloud security...

SC Cleared Security Architect 6 month contract + Inside IR35 Hybrid - 1x a month in London Up to £600 p/d What we're looking for Active SC clearance Strong AWS security architecture experience Experience working in secure, regulated or public sector environments Good understanding of cloud security controls, patterns and governance Familiarity with DevOps, CI/CD, infrastructure-as-code and modern engineering practices Experience designing or reviewing solutions across cloud, legacy or hybrid environments Ability to apply structured analysis to real-world security challenges Knowledge of risk methodologies and how to apply them proportionately Strong stakeholder engagement skills, with the ability to explain technical security issues clearly Comfortable working collaboratively across multidisciplinary delivery teamsNice to have Understanding of Home Office or central government security processes Knowledge of secure cloud platforms, landing zones, guardrails or core cloud...

SC Cleared Security Architect (SC Clearance Required) Horsham - 12 Month initial £400 - £500 Inside IR35 Are you an Security Architect looking for a fully remote position for the UK Government, where you will take part in cutting edge development projects within an autonomous and varied role? On Offer is the chance for an Security Architect to become a high ranking member of an elite IT Architecture team, taking part in varied projects and leading the charge in innovation and development of infrastructure technologies used by the university. This is a long term greenfield project for the UK Cabinet Office, working with other very senior Architects and Developers. In this role you will be working with technical subject matter experts to generate technology roadmaps to the requirements of the university. You will also assist in the incorporation of new networking and cloud technologies into the university's enterprise architecture team. The Ideal Security Architect will have...

Infrastructure Tester x2 Location: Hampshire (Onsite) Duration: 18 Months Clearance: DV Clearance required (Active) Rate: £450 - £550 a day per day - Outside IR35 We are seeking an experienced DV Cleared Infrastructure Tester to join a major secure government programme based on-site in Basingstoke. This is a hands-on testing role focused on validating and assuring complex Zero Trust Infrastructure environments supporting mission-critical services. Working within a highly secure delivery team, you will be responsible for planning, executing and reporting infrastructure testing activities across a range of technologies, ensuring solutions are robust, secure and fit for operational deployment. Key Responsibilities Design and execute infrastructure test plans, test cases and test scripts. Validate Zero Trust architecture components and supporting infrastructure. Perform end-to-end testing across servers, networks, security controls and integrations. Verify deployments,...

Infrastructure Tester x2 Location: Hampshire (Onsite) Duration: 18 Months Clearance: DV Clearance required (Active) Rate: £450 - £550 a day per day - Outside IR35 We are seeking an experienced DV Cleared Infrastructure Tester to join a major secure government programme based on-site in Basingstoke. This is a hands-on testing role focused on validating and assuring complex Zero Trust Infrastructure environments supporting mission-critical services. Working within a highly secure delivery team, you will be responsible for planning, executing and reporting infrastructure testing activities across a range of technologies, ensuring solutions are robust, secure and fit for operational deployment. Key Responsibilities Design and execute infrastructure test plans, test cases and test scripts. Validate Zero Trust architecture components and supporting infrastructure. Perform end-to-end testing across servers, networks, security controls and integrations. Verify deployments,...

Cloud Solution Architect (Cloud / Integration) Hybrid working: 3 days onsite in London and 2 days remote Pay rate: £650 per day Outside IR35 Contract with strong likelihood of extension Active SC required Overview We are seeking an experienced Cloud Solution Architect to lead the design and delivery of cloud-based solutions within a complex and secure environment. The role focuses on defining end-to-end architectures across cloud infrastructure, platform services, and integration layers, ensuring solutions are scalable, secure, and aligned with enterprise standards. Key Responsibilities Define end-to-end solution architecture across cloud, platform, and integration domains Translate business and technical requirements into scalable solution designs Produce and govern high- and low-level designs (HLD/LLD) Ensure alignment with security, compliance, and architectural standards Provide technical leadership and guidance to engineering teams Drive best practices across cloud...

Adecco is an employment consultancy. We put expertise, energy, and enthusiasm into improving everyone's chance of being part of the workplace. We respect and appreciate people of all ethnicities, generations, religious beliefs, sexual orientations, gender identities, and more. We do this by showcasing their talents, skills, and unique experience in an inclusive environment that helps them thrive. Are you passionate about transforming enterprise data into meaningful insights? Do you thrive in innovative environments where you can shape the future of data architecture? If so, our client is looking for you! Join us as a Semantic Graph & Ontology Architect and play a pivotal role in developing a Smart Data Fabric that unifies various data sources like Snowflake, SharePoint, and ERP systems, all while enhancing AI capabilities through a sophisticated semantic, graph-native foundation. Role: Semantic Graph & Ontology Architect Duration: 6 Months (extension options) Location:...

Lead Cloud Architect - Azure Transformation Location: Central London or Sheffield (Hybrid - 2 days onsite, with some travel between both sites) Contract: Initial 12 months with extensions (2-3 year transformation programme) Rate: £750-£900 per day (Inside IR35) Shape the Future of Cloud at one of the UK's Largest Organisations Are you an experienced Senior Cloud Architect with deep knowledge of Azure based cloud transformations? Do you have exceptional stakeholder engagement skills and a track record of significant contributions to complex, enterprise-scale environments? If so, apply now for this new role. We are looking for a highly experienced Senior Cloud Architect / Senior Azure Architect to play a pivotal role in a major enterprise-wide digital transformation programme. The successful Senior Cloud Architect / Senior Azure Architect will be an energetic, enthusiastic and charismatic leader, who can build key relationships with senior stakeholders as well as key internal...

Infrastructure Architect Wokingham / Hybrid - 2 days work from home 4 months initial contract £559 per day inside IR35 Active SC clearance We are seeking an experienced DNS Architect to join a growing infrastructure and cloud technology team. This is an exciting opportunity to take ownership of the design, security, and evolution of critical DNS services that support large-scale enterprise and cloud environments. As the DNS subject matter expert, you will be responsible for defining architecture standards, driving automation, enhancing security, and ensuring the resilience and performance of core naming services. You will work closely with network, cloud, infrastructure, and security teams to deliver scalable and secure DNS solutions that support business-critical operations. What You'll Be Doing Designing and implementing enterprise-scale DNS architectures across on-premises, hybrid, and cloud environments. Managing and optimising DNS services, including zones,...

SC Cleared Data Architect (SC Clearance Required) Horsham - 12 Month initial £500 - £600 Inside IR35 Are you an Data Architect looking for a fully remote position for the UK Government, where you will take part in cutting edge development projects within an autonomous and varied role? On offer is the chance for an Data Architect to become a high ranking member of an elite IT Architecture team, taking part in varied projects and leading the charge in innovation and development of infrastructure technologies used by the university. This is a long term greenfield project for the UK Cabinet Office, working with other very senior Architects and Developers. In this role you will be working with technical subject matter experts to generate technology roadmaps to the requirements of the institute. You will also assist in the incorporation of new networking and cloud technologies into the enterprise architecture team. The Ideal Data Architect will have industry experience in a...

Network DNS Architect Location: Wokingham, UK Work Mode: Office based (5 days per week) Contract Type: Contract Duration: 6 months Rate: £510 per day (Inside IR35) We are seeking an experienced Network DNS Architect to design, implement, and manage enterprise-scale DNS infrastructure within a large, complex environment. This role is ideal for a senior networking professional with deep expertise in DNS architecture, network design, and security, ideally with experience working in regulated or secure environments. You will take ownership of DNS strategy across on-premises, cloud, and hybrid infrastructures, ensuring high availability, resilience, and strong security controls. The role requires close collaboration with network, security, and cloud engineering teams, along with the ability to provide technical leadership and mentorship. Key Responsibilities * Design and architect scalable and resilient DNS solutions across enterprise environments * Define DNS strategy...

Network IT is recruiting for an experienced Senior Network Architect reporting directly to the CTO at our client, who is about to undergo enterprise network and datacentre transformation.   This is a key role leading the architecture for a major new programme, with responsibility for designing and governing secure, resilient, and scalable network solutions across complex enterprise environments.   You will own end-to-end network architecture across physical and logical domains, including LAN, WAN, SD-WAN, cloud networking, firewalls, load balancers, VPNs, and network security services.   Working closely with senior stakeholders, delivery teams, and suppliers, you will ensure solutions align with business objectives, security requirements, and enterprise architecture standards.   Please note this is a DV Cleared role. We can only accept applications from British Citizens.   Role: Senior Network Architect  Duration: 9 Months Rate: £790 per day Status: Inside IR35 Location: Milton...

Cyber Security Engineer - 6 Month Contract - No Sponsorship available Job Description This Cyber Security Engineer role sits within the Information Security function and focuses on designing, implementing, and continuously improving security controls across infrastructure, applications, and cloud environments. You will lead cyber security project deliverables, maintain and enhance existing cyber tools, and roll out new features and capabilities across banking and securities businesses under a dual-hat arrangement. Operating with equal authority across both entities, you will make independent, risk-based decisions aligned to a shared governance framework, working closely with engineering and operations teams to embed robust security into all technology solutions. Responsibilities Design, implement, and enhance enterprise security solutions across cloud, network, and endpoint environments. Lead security architecture reviews to ensure solutions align with security standards,...

Key Responsibilities: Manage and grow relationships with strategic enterprise clients. Drive adoption and expansion of digital transformation solutions. Develop and execute sales strategies to generate new revenue. Engage with C-level stakeholders and business leaders. Collaborate with Customer Success, Solution Consultants, Enterprise Architects, Marketing, and Partner teams. Lead complex enterprise sales cycles and negotiate high-value deals.Key Requirements: Proven Enterprise Software sales experience. Track record of securing multi-million-pound, multi-year contracts. Experience selling to C-level executives, ideally CMOs and Digital Leaders. Strong solution-selling and consultative sales skills. Excellent communication, presentation, and negotiation abilities. Consistent achievement of sales targets and revenue growth. Salesforce experince is desireable GCS is acting as an Employment Business in relation to this vacancy

Data Engineer Location: Remote (UK-based preferred, if applicable) Employment Type: Full-Time, 6-Month Contract About the Role We are seeking a talented and motivated Data Engineer to join a global technology and engineering organisation at the forefront of digital transformation, industrial innovation, and intelligent infrastructure. This is a fully remote 6-month contract role, offering the opportunity to work on cutting-edge data platforms and knowledge graph solutions that support complex, real-world challenges across multiple industries. You will collaborate with international teams of engineers, data scientists, and solution architects to design and deliver scalable data solutions that drive analytics, automation, and AI-powered insights within a world-leading technology environment. Key Responsibilities Build and optimise ETL/ELT pipelines for knowledge graphs and other data sources. Design and manage graph databases such as Neo4j, AWS Neptune, and ArangoDB. Develop...

Full Stack Software Engineer (.NET / Vue.js / Azure - Ideally some Python/AWS will be very helpful) Contract: 6 Months Initial Contract Rate: £550 per day (Inside IR35) Location: Remote with 2 days per month onsite in Leeds or London Start: ASAP Overview We're looking for an experienced Full Stack Software Engineer to join a high-profile public sector digital transformation programme. You'll be working within an agile delivery team, building and enhancing modern, cloud-native applications used by thousands of end users. This role requires strong full-stack development expertise across .NET, Vue.js and Azure, alongside previous experience delivering solutions within Government, NHS, or wider public sector environments. Key Responsibilities Design, develop and maintain scalable web applications using .NET and Vue.js Build and enhance RESTful APIs and backend services Develop responsive, accessible front-end applications Deploy and support cloud-native solutions within...

Job title: Technical Programme Manager - Workstream Lead Contract: 6 Months Location: London (Paddington, Hybrid) IR35: Inside Sector: Retail As a Technical Programme Manager, you support complex cross team initiatives and programmes, ensuring work progresses smoothly through effective planning, coordination and removal of delivery impediments. As a programme manager you will be accountable for leading the end to end delivery of a defined workstream on the client implementation of SAP. You will build and manage the plan ensuring successful delivery across design, build, test, deployment, and stabilisation. You help identify pain points and delivery inefficiencies, support agile ways of working, and strengthen sequencing, dependency management and escalation mechanisms within and across teams. You provide practical delivery support through tracking progress, coordinating ceremonies, managing programme budgets, supporting release activities and ensuring clarity of priorities....