29 network security architect jobs found

MOD DV Cleared Network Security Architect Location: Basingstoke, Hampshire (Full-time onsite) Contract: 12-Month Rolling Contract Rate: £700-£800 per day (Outside IR35) Clearance: Active UK MOD DV Clearance Required The Opportunity We are seeking an experienced MOD DV Cleared Network Security Architect to support a high-profile government programme delivering secure and resilient enterprise capabilities within a highly regulated environment. This is an excellent opportunity for an architect with a strong background across both network and infrastructure security domains, capable of translating security requirements into robust technical designs. The successful candidate will play a pivotal role in developing security architectures, producing High-Level Designs (HLDs), conducting control mapping activities, and ensuring solutions align with MOD and government security standards. Due to the nature of the programme, this role requires full-time onsite presence in Basingstoke...

MOD DV Cleared Network Security Architect Location: Basingstoke, Hampshire (Full-time onsite) Contract: 12-Month Rolling Contract Rate: £700-£800 per day (Outside IR35) Clearance: Active UK MOD DV Clearance Required The Opportunity We are seeking an experienced MOD DV Cleared Network Security Architect to support a high-profile government programme delivering secure and resilient enterprise capabilities within a highly regulated environment. This is an excellent opportunity for an architect with a strong background across both network and infrastructure security domains , capable of translating security requirements into robust technical designs. The successful candidate will play a pivotal role in developing security architectures, producing High-Level Designs (HLDs), conducting control mapping activities, and ensuring solutions align with MOD and government security standards. Due to the nature of the programme, this role requires full-time onsite presence in...

MOD DV Cleared Network Security Architect Location: Basingstoke, Hampshire (Full-time onsite) Contract: 12-Month Rolling Contract Rate: £600-£700 per day (Outside IR35) Clearance: Active UK MOD DV Clearance Required The Opportunity We are seeking an experienced MOD DV Cleared Network Security Architect to support a high-profile government programme delivering secure and resilient enterprise capabilities within a highly regulated environment. This is an excellent opportunity for an architect with a strong background across both network and infrastructure security domains, capable of translating security requirements into robust technical designs. The successful candidate will play a pivotal role in developing security architectures, producing High-Level Designs (HLDs), conducting control mapping activities, and ensuring solutions align with MOD and government security standards. Due to the nature of the programme, this role requires full-time onsite presence in Basingstoke...

Network Security Architect (Outside IR35) Job Title: MoD-DV Network Security Architect Contract: Outside IR35 Duration: 12 months (rolling extensions) Location: UK (hybrid) - split between home working and onsite UK data centres/secure sites (onsite frequency to be confirmed) Clearance: Active, transferable UK MoD DV is mandatory Role Overview We're looking for an experienced DV-cleared Network Security Architect to lead the design, assurance, and governance of secure network architecture within a UK Defence environment. You'll set architectural direction, define secure standards and patterns, and support delivery teams across on-prem/data-centre and hybrid estates. Key Responsibilities Lead secure network architecture design across data-centre/on-prem and hybrid environments. Produce and own architecture deliverables, including: HLD/LLD Standards, patterns, and reference architectures As-built documentation Provide technical...

MOD DV Cleared Network Security Architect Location: Basingstoke, Hampshire (Full-time onsite) Contract: 12-Month Rolling Contract Rate: £600-£700 per day (Outside IR35) Clearance: Active UK MOD DV Clearance Required The Opportunity We are seeking an experienced MOD DV Cleared Network Security Architect to support a high-profile government programme delivering secure and resilient enterprise capabilities within a highly regulated environment. This is an excellent opportunity for an architect with a strong background across both network and infrastructure security domains , capable of translating security requirements into robust technical designs. The successful candidate will play a pivotal role in developing security architectures, producing High-Level Designs (HLDs), conducting control mapping activities, and ensuring solutions align with MOD and government security standards. Due to the nature of the programme, this role requires full-time onsite presence in...

MoD-DV cleared Network Security Architect (Outside IR35) Contract/Working Pattern Job Title: MoD-DV Network Security Architect Contract: Outside IR35 Duration: 12-month contract, rolling extensions Location: UK (hybrid) - split between home working and onsite UK data centres/secure sites (frequency confirmed with the client) Clearance: Active UK MoD DV (current/transferable) required Role Overview We're engaging an experienced DV-cleared Network Security Architect to lead the design and assurance of secure network architecture for a UK Defence environment. You'll set architectural direction, define secure patterns/standards, and support delivery teams working across data-centre and hybrid estates. Key Responsibilities Lead secure network architecture design across on-prem/data-centre and hybrid environments. Produce/own architecture artefacts: HLD/LLD, standards, patterns, reference architectures, as-built documentation . Provide...

Network Architect +18 months + +DV cleared +On site in Hampshire +Outside IR35 +£550-£650 a day We are seeking an experienced Network Architect to join a high-profile MOD programme delivering secure, mission-critical network capabilities. This is a hands-on architecture role requiring deep technical expertise across modern data centre and wide area networking technologies. Working within a highly secure environment, you will be responsible for designing, assuring and evolving complex network architectures that support large-scale digital transformation and operational requirements. Key Responsibilities Design and develop secure network architectures for enterprise and defence environments. Produce high and low-level network designs, technical documentation and implementation plans. Lead network architecture decisions across data centre, campus and WAN environments. Provide technical assurance and governance throughout the project lifecycle. Collaborate with...

Network Architect +18 months + +DV cleared +On site in Hampshire +Outside IR35 +£550-£650 a day We are seeking an experienced Network Architect to join a high-profile MOD programme delivering secure, mission-critical network capabilities. This is a hands-on architecture role requiring deep technical expertise across modern data centre and wide area networking technologies. Working within a highly secure environment, you will be responsible for designing, assuring and evolving complex network architectures that support large-scale digital transformation and operational requirements. Key Responsibilities Design and develop secure network architectures for enterprise and defence environments. Produce high and low-level network designs, technical documentation and implementation plans. Lead network architecture decisions across data centre, campus and WAN environments. Provide technical assurance and governance throughout the project life cycle. Collaborate with...

- Lead design for Fortinet SD WAN solution - Produce and maintain HLD/LLD documentation, ensuring alignment with customer architecture principles, security requirements and operational processes - Ensure designs meet assurance, compliance and operational readiness standards - Support planning, testing and phased rollout of SD WAN - Communicate progress, risks and design decisions to internal and external stakeholders - Minimum 4 days per week on-site (Farnborough) for duration of engagement - Deliver a fully validated and accepted Fortinet SD WAN architecture, achieving customer sign off against agreed requirements. - Demonstrate clear alignment with operational teams, ensuring they understand how the design supports business and service processes. - UK National - SC clearance Strong knowledge of Fortinet technologies, including: - FortiGate NGFW & SD WAN - IPSec/ADVPN - Routing protocols (BGP/OSPF) - ZTNA, segmentation, security profiles - Hands on experience producing...

Senior Network Engineer / Architect Location: Ellesmere Port, Cheshire (On-site, 5 days per week) Rate: £280 per day (Outside IR35) Contract: Initial 10 weeks (high potential for extension) Start Date: Within 2 weeks of final interview About the Role Aatom Recruitment is partnering with a leading technology organisation that supports enterprises in accelerating digital transformation through innovative IT services, data engineering, and advanced technology solutions. Due to continued growth, we are seeking an experienced and driven Senior Network Engineer / Architect to join a high-performing team. This is an excellent opportunity for a skilled professional with a strong background in enterprise networking, architecture, and security to make a real impact. Key Responsibilities Design, implement, and maintain robust LAN/WAN and enterprise network infrastructures Recommend and deploy network hardware including routers, switches, firewalls, and access points Develop and...

Network Architect – SC Cleared Location: Bristol | 2–3 days per week onsite Rate: £700–£750 per day | Outside IR35 Duration: 1st July - 30th Sept with likely extension options Exceed Cyber is supporting a leading security consultancy with the appointment of an experienced SC Cleared Network Architect to support a high-profile defence programme. This role will suit someone with a strong network architecture background who is comfortable advising across complex, secure environments. You’ll be working across multiple projects, providing technical architecture guidance, producing architecture artefacts, and supporting secure design decisions across enterprise and operational technology environments. Key responsibilities: Provide network architecture advice and guidance across multiple workstreams and projects. Design, review and assure network architectures within secure government/defence environments. Produce and maintain architecture artefacts, including high-level...

AWS Cloud/Platform Engineer - Edinburgh/Hybrid - Outside IR35 Market Rates Duration - 12 months Harvey Nash are supporting a client seeking an experienced AWS Cloud/Platform Engineer to join their IT Infrastructure and Cyber function. This is a hands-on engineering role, focused on building, maintaining, and optimising AWS cloud infrastructure. The successful candidate will take ownership of platforms post-migration, driving automation, resilience, and continuous improvement across a multi-account AWS estate. Key Responsibilities Design, build, and optimise AWS cloud infrastructure and platforms Implement infrastructure using Terraform (IaC best practices, modular design) Develop and maintain CI/CD pipelines using AWS-native tooling (CodeCommit, CodeBuild, CodePipeline) Manage and support RHEL and Windows Server workloads in AWS Implement monitoring, logging, and alerting using CloudWatch, CloudTrail, and Systems Manager Design for high availability and...

Location: London, 4 days a week on site Outside IR35 contract - 700-750 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 proactive...

Infrastructure Architect Contract (6-months) Remote Working Outside IR35 Market Rates The Opportunity: We are supporting a confidential public sector organisation in the search for an experienced Infrastructure Architect to join a high-profile digital transformation programme on an initial 6-month contract basis to lead the design of a critical contingency hosting solution supporting a major data centre exit programme. The organisation is currently progressing a strategic migration to AWS and is required to vacate an existing data centre by the end of 2026. As part of their risk mitigation and operational resilience strategy, they require an experienced Infrastructure Architect to assess contingency options and design a viable short-term hosting environment should the cloud migration programme encounter delays. This is a highly visible and business-critical assignment requiring an architect who can operate across infrastructure, networking, security and operational...

Location: London, 4 days a week on site Outside IR35 contract - 700-750 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 proactive...

Infrastructure Architect Contract (6-months) Remote Working Outside IR35 Market Rates The Opportunity: We are supporting a confidential public sector organisation in the search for an experienced Infrastructure Architect to join a high-profile digital transformation programme on an initial 6-month contract basis to lead the design of a critical contingency hosting solution supporting a major data centre exit programme. The organisation is currently progressing a strategic migration to AWS and is required to vacate an existing data centre by the end of 2026. As part of their risk mitigation and operational resilience strategy, they require an experienced Infrastructure Architect to assess contingency options and design a viable short-term hosting environment should the cloud migration programme encounter delays. This is a highly visible and business-critical assignment requiring an architect who can operate across infrastructure, networking, security...

Location: London, 4 days a week on site Outside IR35 contract - 700-750 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 proactive...

Location: London, 4 days a week on site Outside IR35 contract - 700-750 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...

- Lead design for Fortinet SD WAN solution - Produce and maintain HLD/LLD documentation, ensuring alignment with customer architecture principles, security requirements and operational processes - Ensure designs meet assurance, compliance and operational readiness standards - Support planning, testing and phased rollout of SD WAN - Communicate progress, risks and design decisions to internal and external stakeholders - Minimum 4 days per week on-site (Farnborough) for duration of engagement - Deliver a fully validated and accepted Fortinet SD WAN architecture, achieving customer sign off against agreed requirements. - Demonstrate clear alignment with operational teams, ensuring they understand how the design supports business and service processes. - UK National - SC clearance Strong knowledge of Fortinet technologies, including: - FortiGate NGFW & SD WAN - IPSec/ADVPN - Routing protocols (BGP/OSPF) - ZTNA, segmentation, security profiles - Hands on experience producing...

Infrastructure Tester x2 Location: Hampshire (Onsite) Duration: 18 Months Clearance: DV Clearance required (Active) Rate: £500 - £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,...