26 to 50 of 109 Network Architecture Jobs in the UK

the world's leading fintechs by delivering reliable, scalable, and secure real-time payment processing solutions. As we continue to grow globally, we're looking for a Senior Cloud Network Engineer to lead the design, evolution, and innovation of our network architecture. What you'll do As a Senior Cloud Network Engineer, you'll: Design and oversee … the implementation of complex, secure, and scalable network solutions that support global transaction processing. Lead network innovation, proactively identifying opportunities to adopt emerging technologies and drive efficiency. Coordinate and prioritise network-related initiatives across teams, balancing operational needs with strategic growth. Mentor and support engineers within the team, fostering technical excellence and a customer-focused mindset. Drive … system health and uptime. Collaborate with stakeholders, vendors, and service providers to ensure seamless integration and service quality. Develop and enforce quality assurance protocols and documentation standards across our network landscape. Own strategic network planning, ensuring infrastructure evolves in step with our product and market expansion. What you'll bring Extensive experience in network architecture, engineering More ❯

processes to ensure quality delivery. Implement continuous improvement projects to enhance team performance and output quality. People Management and Delivery: Deliver high-quality system designs, including requirements capture, system architecture, network architecture, wiring designs, cooling circuit schematics, bill of materials, and simulation requirements. Embrace agile methodology and follow scrum values for incremental product delivery. Deliver quality design More ❯

Cubic Transportation Systems (CTS) and Cubic Defense (CD). Explore more on Job Details: As part of the Cubic Transportation Services IT Team, you will bring a wealth of Network Architecture knowledge and experience to a team responsible for the full lifecycle management of the Network Infrastructure that underpins the systems and solutions that Cubic provides to … high profile and demanding clients such as Transport for London and Irish Rail. Working alongside Infrastructure Architects and Competency Leads, the role of the Network Architect is to create detailed design documents for internal and external network, security and connectivity requirements. Essential Job Duties and Responsibilities: Ownership of translating business or client requirements into a cost effective, fit … for purpose network design. As part of a project team, guide implementation engineers to transition designs into operation. Act as a point of escalation and assist in the resolution of complex network related incidents. Define technical strategy and procedures for the design and support of network infrastructure. Work to standardise and simplify the existing network infrastructure More ❯

Role Title: Network Engineer (X2 Roles) Security Clearance: SC Clearance Location: Office - Barrow In Furness Duration: Until 31/12/2025 initially Via Umbrella Role Description: * Inputting into High Level Designs * Creating Low Level designs from approved High Level Designs * Configuring core infrastructure components e.g. Data Centre Fabric, Access/Distribution Switches, routers, WAN, firewalls, load balancers, Authentication …/take on and testing of kit, providing ELS and decom/removal of old switches Installation/take on and testing of new SDA kit Key Skills o Network Architecture/Architecture (Compute/storage/End User) o Working in secure environments o Network Design (HLD/LLD) o Cisco Networking (Routing/Switching … o Data Centre Networking o Cisco ACI o Firewalls (Palo Alto/Cisco) o Authentication (802.1x/Cisco ISE/AD familiarity) o Network management o Load balancing (NetScaler) o Cisco SDA (Software Defined Access) o Meraki o Wi-Fi o Remote access o Encryption Due to the nature and urgency of this post, candidates holding or who have More ❯

Senior Network & Cyber Security Engineer - 12 Months Contract Hybrid: 2 days in the office (Tuesday & Wednesday), other 3 days remote Outside IR35 Preferred locations: Aberdeen, Staines, Glasgow, or Reading Applicants must be able to pass the HMG Baseline Personnel Security Standard (BPSS) check. The Senior Network & Cyber Security Engineer will support project implementation aligned with company objectives, focusing … enhance safety and efficiency. We design digital ecosystems that are inherently secure, integrating IT and Operational Technology (OT) systems to support business and operational goals. Key Objectives: Assess cybersecurity architecture robustness within customer facilities. Design and implement solutions to mitigate security risks, including antivirus, patch management, insider threat protection, incident response, and compliance. Conduct vulnerability assessments and audits on … client systems and network devices, considering OT sensitivities. Provide expertise in network design, implementation, and testing for automation and control systems. Define network requirements supporting automation and control solutions. Apply integration concepts across various systems and vendor platforms. Engineer network aspects of automation projects, including design and implementation. Prepare engineering studies and design documentation. Resolve engineering More ❯

An SC cleared Network Engineer is required initially until the end of the year. This role is initially full time on site in Barrow in Furness but there may be the opportunity for hybrid working later on and is inside IR35 so will require working via an FCSA accredited umbrella company. Role Description: * Inputting into High Level Designs * Creating …/take on and testing of kit, providing ELS and decom/removal of old switches Installation/take on and testing of new SDA kit Key Skills o Network Architecture/Architecture (Compute/storage/End User) o Working in secure environments o Network Design (HLD/LLD) o Cisco Networking (Routing/Switching … o Data Centre Networking o Cisco ACI o Firewalls (Palo Alto/Cisco) o Authentication (802.1x/Cisco ISE/AD familiarity) o Network management o Load balancing (NetScaler) o Cisco SDA (Software Defined Access) o Meraki o Wi-Fi o Remote access o Encryption Due to the nature and urgency of this post, candidates holding or who have More ❯

not just what we do that matters-it's how we do it. DRW is a place of high expectations, integrity, innovation and a willingness to challenge consensus. Our Network Infrastructure team works closely with trading desks and software engineers. They are the subject matter experts in the networking domain. They create tools using Python and automate tasks to … streamline our environment. They are passionate about providing innovative solutions to our dynamic business. We are seeking a Network Engineer for our London based Network Infrastructure Team. As a Network Engineer at DRW, you will: Responsible for network architecture, implementation, and operations with the primary focus on EMEA network infrastructure but also contributing to … the other regions and the global DRW network. Work closely with our Operations Center to troubleshoot complex network infrastructure related issues. Partner with trading desks and business units to identify future projects and areas of improvement. Embrace and contribute to network automaton and monitoring. Your background: Minimum 3 years of Network Engineering experience. Trading or finance industry More ❯

Network Architect £55,000 - 65,000 GBP Hybrid WORKING Location: Bracknell, Central London, Greater London - United Kingdom Type: Permanent Role: Pre-Sales Network Architect Salary: £55,000 - £65,000 DOE Additional Package: £6K Car Allowance, 5% SiS Bonus & an extensive benefits package Location: Bracknell (Hybrid) Are you a Pre-Sales Network Architect looking for your next challenge … This is your chance to step into a dynamic pre-sales team where your technical expertise will shape bespoke network solutions that make a real impact for enterprise-level clients. You'll work alongside skilled architects and solution owners, contributing to secure, scalable infrastructure designs. If you're a Pre-Sales Network Architect who thrives in a fast … across a variety of technologies, and loves turning customer needs into compelling solutions - this is the role for you. Role Requirements: Research, design, and develop high- and low-level network architecture documentation. Collaborate with Solution Owners to deliver client-ready technical design artefacts. Provide accurate estimates for BOMs, licensing, and delivery planning. Engage in bid responses and complex More ❯

CNI Network Administrator - 6 months - Hybrid (Wokingham) - Inside IR35 We are seeking a skilled CNI Network Administrator to join our team on a full-time basis , working 3 days per week on-site in Wokingham and 2 days remotely . In this role, you will be responsible for the administration of critical network infrastructures, including LAN, WAN … intranets, and CNI/SCADA systems. Key Responsibilities: Analyse organizational IT infrastructure needs, design network architecture (LAN, WAN, intranets, SCADA/CNI), and present solutions to management. Assess network traffic, capacity, and speed requirements; recommend load balancing, segmentation, and optimization strategies. Identify, configure, and maintain required hardware (Routers, Switches, Firewalls) and software (drivers, VPNs, DNS). Implement … and monitor network security measures, ensure compliance with audit standards, policies, and government regulations (ISO, CNI, SCADA, cybersecurity protocols). What You Will Ideally Bring: Active SC Clearance Proven expertise in deploying and administering LAN, WAN, intranets, and critical CNI/SCADA networks. Strong knowledge of TCP/IP, IPv6, DNS, VPNs, Firewalls, load balancers, and segmentation. Deep understanding More ❯

CNI Network Administrator - 6 months - Hybrid (Wokingham) - Inside IR35 We are seeking a skilled CNI Network Administrator to join our team on a full-time basis , working 3 days per week on-site in Wokingham and 2 days remotely . In this role, you will be responsible for the administration of critical network infrastructures, including LAN, WAN … intranets, and CNI/SCADA systems. Key Responsibilities: Analyse organizational IT infrastructure needs, design network architecture (LAN, WAN, intranets, SCADA/CNI), and present solutions to management. Assess network traffic, capacity, and speed requirements; recommend load balancing, segmentation, and optimization strategies. Identify, configure, and maintain required hardware (Routers, Switches, Firewalls) and software (drivers, VPNs, DNS). Implement … and monitor network security measures, ensure compliance with audit standards, policies, and government regulations (ISO, CNI, SCADA, cybersecurity protocols). What You Will Ideally Bring: Active SC Clearance Proven expertise in deploying and administering LAN, WAN, intranets, and critical CNI/SCADA networks. Strong knowledge of TCP/IP, IPv6, DNS, VPNs, Firewalls, load balancers, and segmentation. Deep understanding More ❯

of what's possible in the field of AI. Join our close-knit, global team and help us build the future of AI infrastructure! Job Description As a Senior Network Engineer, you'll design, deploy, and operate the high-performance, low-latency network fabric that underpins our GPU infrastructure. You'll play a critical role in shaping the … architecture, automation, and operational standards of our network, ensuring it meets the rigorous demands of modern AI training and inference workloads. The ideal candidate is a strong advocate of engineering excellence and operational best practices. You're customer-focused, collaborative, and equally comfortable discussing technical issues with enterprise customers, internal teams, and cross-functional stakeholders. You'll contribute … to everything from design and implementation through to L3/L4 operational support. Role Responsibilities Network Architecture & Collaboration: Design scalable leaf-spine networks using Mellanox switches with Cumulus Linux, integrated with Juniper PTX routers and SRX firewalls. Lead 3rd party and internal provider collaboration to deploy resilient site-to-site and internet connectivity, optimise topology, and resolve complex More ❯

risk assessments, and supporting client assignments and project teams. The candidate should have experience in identifying vulnerabilities & risks in networks, software systems, and data centers through ongoing scans, monitoring network data, and ensuring hardware & software are updated. Our Systems Integration (SI) team works with high-profile clients across the energy sector, delivering automation & control solutions that enhance safety and … facilities. Design solutions that meet client requirements and implement security measures (e.g., antivirus, patch management, insider threat protection, incident response, compliance). Conduct vulnerability assessments & audits on client systems & network devices, considering OT sensitivities. Provide expertise in network design, implementation, & testing for automation & control systems. Identify & define network requirements for automation & control solutions. Develop detailed network architecture & data flow diagrams. Create network schedules (IP, data communication, servers, VMs, switches, firewalls) and testing procedures (FAT). Prepare material requisitions & contribute to technical bid evaluations. Review vendor drawings & consolidate feedback from other disciplines. Undertake Cyber Security Risk Assessments and advise on mitigation actions. Support evaluation of clients' security posture, identifying vulnerabilities & areas for improvement. Stay More ❯

of environments. What you'll be doing • Is accountable for the delivery of routine daily activities for system design, build, testing, validation, maintenance, monitoring and ongoing support of all network infrastructure components. • Participate and be the technical lead on incidents within immediate domain and be part of PIR write up and solution. • Propose and implement innovations for continuous improvement … tools. • Will champion and build effective working relationships, both internally and externally to deliver business outcomes, adding value throughout. • Responsible for delivering the change execution and assurance of Fixed Network platforms managed by network engineering technology services. • Integration: Collaborate with design & platform teams and support the Implementation of flawless change into the live network, prioritising the use … of automation. • Observability: Developing bespoke monitoring solutions to improve visibility of the network • Automation Tools: Utilise tools such as Ansible and Python to provision and manage infrastructure resources in a scalable and efficient manner. • Technical Acumen: Apply your understanding of network principles to troubleshoot network faults within our systems and look at how you can optimize performance More ❯

Job Title: EMEA Technical Delivery Supervisor Location : Sheffield Salary: Competitive Job type: Full Time, Permanent Overview: TNS's Technical Delivery team are highly skilled and committed Network Engineers tasked with designing and delivering the highest quality solutions for our customers across our global network. Our mission statement is to deliver 'Right First Time & On Time'. The non-standard … leverage a follow the sun model where possible Develop and implement performance metrics to drive efficiencies, reduce human error and operating expense across Operations Lead, mentor and coach experienced network Engineers. Set out and progress individual SMART goals and development plans across the team that are aligned to and supportive of the Vision for the team. Identify and constructively … deliver our collective goals and lead a global mentality Accountable for Technical design, implementation, testing, coordination, and transition into operational status Analyse solution design packages from Sales Engineering/Network Architecture and provide a work break down and effort estimate to deliver a customer solution Implement technical solutions globally adhering to TNS's Global Change management policy Be More ❯

are seeking a highly skilled Networking Consultant with expertise in cybersecurity, Microsoft 365, and Azure to join our dynamic team. The ideal candidate will design, implement, and optimize secure network architectures, leveraging Microsoft cloud technologies to protect enterprise environments against evolving cyber threats. Key Responsibilities: Network Architecture & Security: Design and implement secure network infrastructures using Azure … networking components (VNETs, NSGs, Azure Firewall, VPN Gateway, etc.). Integrate M365 security features (Defender for Office 365, Conditional Access, Secure Score) into enterprise environments. Conduct network segmentation and zero-trust architecture planning. Cloud & Hybrid Environments: Configure and manage hybrid cloud environments using Azure and on-premises infrastructure. Optimize connectivity between M365 services and enterprise networks. Implement secure … AD and Microsoft Entra. Consulting & Advisory: Provide expert guidance to clients on cybersecurity best practices, compliance (e.g., ISO 27001, NIST), and risk mitigation. Conduct assessments and audits of existing network and cloud security postures. Deliver workshops and training sessions on M365 and Azure security capabilities. Incident Response & Monitoring: Collaborate with SOC teams to monitor and respond to network More ❯

are seeking a highly skilled Networking Consultant with expertise in cybersecurity, Microsoft 365, and Azure to join our dynamic team. The ideal candidate will design, implement, and optimize secure network architectures, leveraging Microsoft cloud technologies to protect enterprise environments against evolving cyber threats. Key Responsibilities: Network Architecture & Security: Design and implement secure network infrastructures using Azure … networking components (VNETs, NSGs, Azure Firewall, VPN Gateway, etc.). Integrate M365 security features (Defender for Office 365, Conditional Access, Secure Score) into enterprise environments. Conduct network segmentation and zero-trust architecture planning. Cloud & Hybrid Environments: Configure and manage hybrid cloud environments using Azure and on-premises infrastructure. Optimize connectivity between M365 services and enterprise networks. Implement secure … AD and Microsoft Entra. Consulting & Advisory: Provide expert guidance to clients on cybersecurity best practices, compliance (e.g., ISO 27001, NIST), and risk mitigation. Conduct assessments and audits of existing network and cloud security postures. Deliver workshops and training sessions on M365 and Azure security capabilities. Incident Response & Monitoring: Collaborate with SOC teams to monitor and respond to network More ❯

New Role: Network Architect Location: Basingstoke (Hybrid) Salary: Up to £78.000 + £6000 Car Allowance Key Skills: Juniper, Cisco, Gigamon, HLD/LLD, SSM. FMC, FTD, WAN/LAN Clearance: Applicants must be eligible and willing to undergo UK Security Clearance (Requirement being sole British National) About the Role We are looking for an experienced Network Architect to … join a collaborative project team delivering medium to large-scale network solutions for a high-profile customer. You will be responsible for designing secure, scalable network architectures and supporting their implementation alongside engineers and project managers. Key Responsibilities • Design and deliver robust network solutions across various workstreams (Main Programme, Live Service, Service Requests, RFCs) • Collaborate with Programme … designs (HLD/LLD) for areas such as: Cisco FMC, SSM, FTD, Gigamon HC1 and GigaVUE FM, Juniper WAN/LAN, Endace, NTP, Data Centre Firewall and LAN • Support Network Design and Support Engineers in overcoming delivery and operational challenges • Contribute to governance, design reviews, and customer reporting • Ensure all designs are fit-for-purpose and standards-compliant Required More ❯

New Role: Network Architect Location: Basingstoke (Hybrid) Salary: Up to £78.000 + £6000 Car Allowance Key Skills: Juniper, Cisco, Gigamon, HLD/LLD, SSM. FMC, FTD, WAN/LAN Clearance: Applicants must be eligible and willing to undergo UK Security Clearance (Requirement being sole British National) About the Role We are looking for an experienced Network Architect to … join a collaborative project team delivering medium to large-scale network solutions for a high-profile customer. You will be responsible for designing secure, scalable network architectures and supporting their implementation alongside engineers and project managers. Key Responsibilities • Design and deliver robust network solutions across various workstreams (Main Programme, Live Service, Service Requests, RFCs) • Collaborate with Programme … designs (HLD/LLD) for areas such as: Cisco FMC, SSM, FTD, Gigamon HC1 and GigaVUE FM, Juniper WAN/LAN, Endace, NTP, Data Centre Firewall and LAN • Support Network Design and Support Engineers in overcoming delivery and operational challenges • Contribute to governance, design reviews, and customer reporting • Ensure all designs are fit-for-purpose and standards-compliant Required More ❯

learn, & thrive in a fast-paced regulated environment. The successful candidate will support desktops and connected devices in office areas, as well as support various pieces of infrastructure including network printers, & network hardware & server hardware in a Hands & Eyes manner. Responsibilities Working on behalf of DXC Technology. Providing wide ranging Deskside support to end users in office environments … to local and global policies Work healthily and safely, in accordance with DXC training and policies Adhere to all IT Asset Management procedures & policies Build and deploy PCs, patch network points, troubleshoot printer problems, support standard software packages, and other general IT tasks Be prepared to engage with ad-hoc tasks with a best effort and positive attitude Work … supporting Windows 10 Experience of supporting Microsoft Office suites including Office 365 Experiencing working in a highly regulated/ITIL environment, with appropriate service/ticketing systems Proficiency with Network Infrastructure e.g. switches, routers, APs, patching, network architecture knowledge Server Hardware support experiencing (racking & providing Hands & Eyes support) Printer hardware knowledge Willingness to support essential out of More ❯

Network Architect £600 - £700 per day - Inside IR35 Hybrid - London DV Cleared About the Role Our confidential government client requires an experienced Network Architect to lead the design and delivery of strategic network solutions. This is a high-impact role within a complex, secure environment, where your architectural expertise will support national security priorities. Key Responsibilities Deliver … high-level and low-level network designs (HLD/LLD) in line with project milestones Produce comprehensive artefacts including: Site-specific network architectures Passive infrastructure layouts (fibre, copper - vertical & horizontal) Active equipment installation designs Rack diagrams, patching schedules, and cabling plans Collaborate with multiple stakeholders including: Local IT teams Other Government Departments (OGDs) System owners and integrators Drive … end-to-end system thinking including: LAN/WAN design and implementation WAN provisioning and circuit dependencies Network security and encryption technologies (e.g., cryptos) Dependencies on EUDs, storage, and power systems (UPS) Work across the full system delivery lifecycle: Service Design, Transition, Acceptance, and into Live Collaborate with Service Architects on Assurance and Gate Reviews Analyse technical requirements and More ❯

of the worlds leading IT solutions enterprises, helping us deliver services and solutions in both challenging and exciting situations. At DXC, one of our platinum accounts has openings for Network Architects at varying skill level the successful candidate will need to be innovative and motivated with a high level of autonomy, able to develop and present secure solutions to … leadership and technical teams. In this role you will assist in leading teams that analyse, design, troubleshoot and implement network architecture in order to best meet client requirements; leverages resources from different teams to ensure that customer needs are met. Assist in troubleshooting the most complex data or voice network and hardware problems; researches and analyses significant … complex network problems that require evaluation of intangibles, such as downstream effects on client satisfaction; assesses and evaluates current and future systems. Ideally you will have experience in : Cisco Routing and switching minimum CCNP, inc. 8200/8300 routers, Nexus N7K/N9K Equivalent level in:Aruba switching AOS-S & CX, on Aruba 2930, 6300, 8300, 8400 CX10K platforms More ❯

Urgent Contract Opportunity - Network Operations/Solution Architect Lead Location: Paddington/London/Milton Keynes (Hybrid) Duration: 6 Months Inside IR35 (including holiday pay) We're seeking an experienced Network Operations/Solution Architect Lead to join our client on a high-profile contract , providing both strategic oversight and hands-on technical leadership within their network function. This role bridges operational delivery and strategic architecture - you'll be: Designing solutions & creating network diagrams Pricing options & presenting risks/benefits to leadership Leading, coaching & guiding the Networks team Stepping in hands-on when needed Key Focus Areas: SD-WAN (2.0): resilience, security, Zscaler & operability Integration projects: (e.g., International Paper merger) - modulation & impact assessment Supporting … key initiatives ( 80/20, EUDR, I-Hub ) requiring network input ITIL-aligned service delivery across the team Balancing cost, governance & service excellence What You'll Bring: Strong Network Architecture & Operations expertise (WAN, LAN, WiFi, SD-WAN) Experience with integration projects & Zscaler Ability to clearly present options, risks & recommendations to leadership A hands-on approach - not just More ❯

Urgent Contract Opportunity - Network Operations/Solution Architect Lead Location: Paddington/London/Milton Keynes (Hybrid) Duration: 6 Months Inside IR35 (including holiday pay) We're seeking an experienced Network Operations/Solution Architect Lead to join our client on a high-profile contract , providing both strategic oversight and hands-on technical leadership within their network function. This role bridges operational delivery and strategic architecture - you'll be: Designing solutions & creating network diagrams Pricing options & presenting risks/benefits to leadership Leading, coaching & guiding the Networks team Stepping in hands-on when needed Key Focus Areas: SD-WAN (2.0): resilience, security, Zscaler & operability Integration projects: (e.g., International Paper merger) - modulation & impact assessment Supporting … key initiatives ( 80/20, EUDR, I-Hub ) requiring network input ITIL-aligned service delivery across the team Balancing cost, governance & service excellence What You'll Bring: Strong Network Architecture & Operations expertise (WAN, LAN, WiFi, SD-WAN) Experience with integration projects & Zscaler Ability to clearly present options, risks & recommendations to leadership A hands-on approach - not just More ❯

visit to London Essential - Lead the design & implementation of the cloud-first digital platform. Degree. Professional certifications such as Azure Solutions Architect Expert, TOGAF, or Certified Kubernetes Administrator. Cloud architecture & solution design (Azure). Hybrid infrastructure & edge computing. Infrastructure as Code (Terraform, Bicep, ARM). DevOps, CI/CD, & automation frameworks. Data architecture, analytics, & integration. OT/IT … convergence & industrial IoT. Security architecture & zero trust principles. Cost optimisation & cloud governance. Network architecture & connectivity (VPN, ExpressRoute). Enterprise architecture standards & documentation. Technical leadership & stakeholder engagement. Creative thinking & architectural innovation. Ethical decision-making & accountability. Azure Cloud Architect Job Overview The Cloud Architect is a key role reporting to the CIO, responsible for designing & governing the Azure … based digital infrastructure platform underpinning KPOD's cloud-first strategy. This role requires a deep understanding of cloud-native architecture, hybrid edge deployments, & enterprise IT & OT integration. The Cloud Architect will ensure that all systems are scalable, secure, & aligned with strategic objectives for digital transformation, operational resilience, & performance. Azure Cloud Architect key responsibilities: Lead the design & implementation of the More ❯

infrastructure (CNI) sectors such as power, oil & gas, transportation. Strong understanding of industrial control systems (ICS) and communication protocols such as Modbus, OPC, and DNP3. Proven experience with OT network architecture, including network segmentation, firewalls, and secure remote access. Practical knowledge of key regulatory and compliance frameworks, including COMAH, NIS, HSE OG86, and ISO/IEC 62443. More ❯