1 to 25 of 54 Network Architecture Jobs in London

Senior Network Architect Initial 6-month Contract Role 2 days a week in Central London office £550 - £585, Inside IR35 We're partnering with a Global IT Partner who are looking for a Senior Network Architect with proven cloud migration experience to design and deliver secure, scalable network solutions across a large enterprise environment. As a Senior … Network Architect, you will be responsible for: Lead network architecture and design to support large-scale cloud migrations (AWS/Azure/GCP). Develop hybrid connectivity strategies and ensure performance, security, and resilience. Assess existing network infrastructure and develop strategies for optimization, scalability, and security. Collaborate with cloud architects, security teams, and infrastructure engineers to … ensure seamless integration. Define network architecture standards, patterns, and best practices. Requirements: Extensive experience working as a Network Architect/Senior Network Engineer Strong understanding of network architecture, design principles, and security. Demonstrable experience with cloud networking (AWS, Azure, or GCP). Experience supporting or leading cloud migration or hybrid network transformation projects. More ❯

mission-critical infrastructure. 55% of our revenue comes from the North America region, 35% from EMEA, and 10% from APAC. Visit www.microland.com for more details. Job Title: Tech Architect – Network Location: Birmingham/London Designation: Tech Architect – Network Role Overview The Tech Architect – Network will be responsible for delivering advanced network architecture and operational support … for the client’s enterprise network environment. This role ensures high availability, security, and performance across WAN, LAN, and wireless infrastructure, while driving innovation and compliance with the client’s managed network services framework. Key Responsibilities Network Architecture & Design Develop and maintain high-level and low-level designs for WAN, LAN, and Wi-Fi networks. Ensure … alignment with the client’s target architecture and security standards. Act as the first point of technical escalation for all network-related issues. Own Priority 1 (P1) incidents and drive associated Root Cause Analysis (RCA) to closure. Lead all technical conversations with the customer, ensuring clarity, confidence, and timely resolution. Operations & Support Oversee day-to-day network More ❯

mission-critical infrastructure. 55% of our revenue comes from the North America region, 35% from EMEA, and 10% from APAC. Visit www.microland.com for more details. Job Title: Tech Architect – Network Location: Birmingham/London Designation: Tech Architect – Network Role Overview The Tech Architect – Network will be responsible for delivering advanced network architecture and operational support … for the client’s enterprise network environment. This role ensures high availability, security, and performance across WAN, LAN, and wireless infrastructure, while driving innovation and compliance with the client’s managed network services framework. Key Responsibilities Network Architecture & Design Develop and maintain high-level and low-level designs for WAN, LAN, and Wi-Fi networks. Ensure … alignment with the client’s target architecture and security standards. Act as the first point of technical escalation for all network-related issues. Own Priority 1 (P1) incidents and drive associated Root Cause Analysis (RCA) to closure. Lead all technical conversations with the customer, ensuring clarity, confidence, and timely resolution. Operations & Support Oversee day-to-day network More ❯

mission-critical infrastructure. 55% of our revenue comes from the North America region, 35% from EMEA, and 10% from APAC. Visit www.microland.com for more details. Job Title: Tech Architect – Network Location: Birmingham/London Designation: Tech Architect – Network Role Overview The Tech Architect – Network will be responsible for delivering advanced network architecture and operational support … for the client’s enterprise network environment. This role ensures high availability, security, and performance across WAN, LAN, and wireless infrastructure, while driving innovation and compliance with the client’s managed network services framework. Key Responsibilities Network Architecture & Design Develop and maintain high-level and low-level designs for WAN, LAN, and Wi-Fi networks. Ensure … alignment with the client’s target architecture and security standards. Act as the first point of technical escalation for all network-related issues. Own Priority 1 (P1) incidents and drive associated Root Cause Analysis (RCA) to closure. Lead all technical conversations with the customer, ensuring clarity, confidence, and timely resolution. Operations & Support Oversee day-to-day network More ❯

mission-critical infrastructure. 55% of our revenue comes from the North America region, 35% from EMEA, and 10% from APAC. Visit www.microland.com for more details. Job Title: Tech Architect – Network Location: Birmingham/London Designation: Tech Architect – Network Role Overview The Tech Architect – Network will be responsible for delivering advanced network architecture and operational support … for the client’s enterprise network environment. This role ensures high availability, security, and performance across WAN, LAN, and wireless infrastructure, while driving innovation and compliance with the client’s managed network services framework. Key Responsibilities Network Architecture & Design Develop and maintain high-level and low-level designs for WAN, LAN, and Wi-Fi networks. Ensure … alignment with the client’s target architecture and security standards. Act as the first point of technical escalation for all network-related issues. Own Priority 1 (P1) incidents and drive associated Root Cause Analysis (RCA) to closure. Lead all technical conversations with the customer, ensuring clarity, confidence, and timely resolution. Operations & Support Oversee day-to-day network More ❯

Job Role : Full Stack Network Engineer Duration : 6+ Months Contract - Inside IR35 Location : London, UK Working Mode: Onsite Job Description: We are seeking a highly skilled Full Stack Network Engineer to join our IT team. This role demands a deep understanding of both front-end and back-end networking technologies, encompassing the design, implementation, and maintenance of comprehensive … network infrastructures. The ideal candidate will be adept at solving complex networking challenges, ensuring optimal performance, security, and scalability of our network systems. Key Responsibilities • Design, implement, and manage network infrastructure including routers, switches, firewalls, and load balancers across various platforms. • Familiar with circuit ordering and DWDM deployments • Familiar with Nexus 7k/Cisco 6500 environments and … to be used to identify business areas/stakeholders and used as a basis to produce a runbook for migration tasks . • Develop and maintain automation scripts to streamline network operations and ensure consistency across environments. • Collaborate with cross-functional teams to understand application requirements and translate them into network solutions. • Ensure network security by implementing industry More ❯

Job Title: Network Manager A leading UK transport organisation is seeking an accomplished Network Manager to lead its in-house Network Engineering function and drive a major transformation across its mission-critical infrastructure. This is a high-impact role overseeing a global team of 12 engineers , managing a complex Fortinet SD-WAN and Cisco network that … underpins public sector operations across the Department for Transport estate. Youll have the autonomy to shape network strategy, modernise architecture, and embed automation and security best practices into every layer of connectivity. If youre a technically strong network leader who thrives on designing, building, and improving at scale and you want your work to have tangible impact … across a nationally significant environment this is the role for you. Responsibilities: Lead and mentor a global team of 12 Network Engineers responsible for delivering highly available IP/MPLS infrastructure. Drive the transformation from a legacy MPLS network to a modern Fortinet SD-WAN architecture improving resilience, performance, and cost efficiency. Develop and maintain the organisations More ❯

Job Title: Network Manager A leading UK transport organisation is seeking an accomplished Network Manager to lead its in-house Network Engineering function and drive a major transformation across its mission-critical infrastructure. This is a high-impact role overseeing a global team of 12 engineers , managing a complex Fortinet SD-WAN and Cisco network that … underpins public sector operations across the Department for Transport estate. You’ll have the autonomy to shape network strategy, modernise architecture, and embed automation and security best practices into every layer of connectivity. If you’re a technically strong network leader who thrives on designing, building, and improving at scale — and you want your work to have … tangible impact across a nationally significant environment — this is the role for you. Responsibilities: Lead and mentor a global team of 12 Network Engineers responsible for delivering highly available IP/MPLS infrastructure. Drive the transformation from a legacy MPLS network to a modern Fortinet SD-WAN architecture — improving resilience, performance, and cost efficiency. Develop and maintain More ❯

Job Title: Network Manager A leading UK transport organisation is seeking an accomplished Network Manager to lead its in-house Network Engineering function and drive a major transformation across its mission-critical infrastructure. This is a high-impact role overseeing a global team of 12 engineers , managing a complex Fortinet SD-WAN and Cisco network that … underpins public sector operations across the Department for Transport estate. You’ll have the autonomy to shape network strategy, modernise architecture, and embed automation and security best practices into every layer of connectivity. If you’re a technically strong network leader who thrives on designing, building, and improving at scale — and you want your work to have … tangible impact across a nationally significant environment — this is the role for you. Responsibilities: Lead and mentor a global team of 12 Network Engineers responsible for delivering highly available IP/MPLS infrastructure. Drive the transformation from a legacy MPLS network to a modern Fortinet SD-WAN architecture — improving resilience, performance, and cost efficiency. Develop and maintain More ❯

employee-owned business in 2024 and are working hard collectively to deliver our mission. Overview of the Role This is a full-time, client-site role embedded within the Network Engineering team of a global technology firm with over 20,000 employees. The Network Consultant will be responsible for supporting the client’s ongoing network refresh and … upgrade programme across EMEA, as well as new network deployments into offices throughout the region. The role is implementation-focused, working within established network design and technology standards defined by the client. The successful candidate will demonstrate strong technical delivery and project coordination skills, with the ability to plan, document and execute network changes methodically in live … cutover activities, and occasional weekend work may be necessary for which time off in lieu (TOIL) will be provided. Responsibilities Work full-time as part of the client’s Network Engineering team to deliver the EMEA network refresh and deployment programme. Oversee implementation of new and replacement network devices in line with client technology standards. Produce and More ❯

employee-owned business in 2024 and are working hard collectively to deliver our mission. Overview of the Role This is a full-time, client-site role embedded within the Network Engineering team of a global technology firm with over 20,000 employees. The Network Consultant will be responsible for supporting the client’s ongoing network refresh and … upgrade programme across EMEA, as well as new network deployments into offices throughout the region. The role is implementation-focused, working within established network design and technology standards defined by the client. The successful candidate will demonstrate strong technical delivery and project coordination skills, with the ability to plan, document and execute network changes methodically in live … cutover activities, and occasional weekend work may be necessary for which time off in lieu (TOIL) will be provided. Responsibilities Work full-time as part of the client’s Network Engineering team to deliver the EMEA network refresh and deployment programme. Oversee implementation of new and replacement network devices in line with client technology standards. Produce and More ❯

employee-owned business in 2024 and are working hard collectively to deliver our mission. Overview of the Role This is a full-time, client-site role embedded within the Network Engineering team of a global technology firm with over 20,000 employees. The Network Consultant will be responsible for supporting the client’s ongoing network refresh and … upgrade programme across EMEA, as well as new network deployments into offices throughout the region. The role is implementation-focused, working within established network design and technology standards defined by the client. The successful candidate will demonstrate strong technical delivery and project coordination skills, with the ability to plan, document and execute network changes methodically in live … cutover activities, and occasional weekend work may be necessary for which time off in lieu (TOIL) will be provided. Responsibilities Work full-time as part of the client’s Network Engineering team to deliver the EMEA network refresh and deployment programme. Oversee implementation of new and replacement network devices in line with client technology standards. Produce and More ❯

employee-owned business in 2024 and are working hard collectively to deliver our mission. Overview of the Role This is a full-time, client-site role embedded within the Network Engineering team of a global technology firm with over 20,000 employees. The Network Consultant will be responsible for supporting the client’s ongoing network refresh and … upgrade programme across EMEA, as well as new network deployments into offices throughout the region. The role is implementation-focused, working within established network design and technology standards defined by the client. The successful candidate will demonstrate strong technical delivery and project coordination skills, with the ability to plan, document and execute network changes methodically in live … cutover activities, and occasional weekend work may be necessary for which time off in lieu (TOIL) will be provided. Responsibilities Work full-time as part of the client’s Network Engineering team to deliver the EMEA network refresh and deployment programme. Oversee implementation of new and replacement network devices in line with client technology standards. Produce and More ❯

Contract Role: Azure DevOps Network Lead Location: Remote Type: Contract (Outside IR35) Rate: £500 - £525 per day Opus are working with a key client on an Azure DevOps Network Lead role to deliver secure, scalable network architecture across a large Azure estate. The role focuses on automation, routing, and security-leveraging Azure Front Door, Application Gateway … an initial 3 month contract with a proposed project completion date of March 2027. Key Skills: Azure networking: VNets, NSGs, UDRs, Front Door, App Gateway, Private Link Terraform for network automation Container networking (AKS, CNI, ingress controllers) Microsoft Sentinel, Azure Monitor, Network Watcher Experience in central government programmes Deliverables include: IaC templates (Terraform/Bicep) Network architecture More ❯

Network Architect - Enhanced SC or DV Cleared - £715 a day - London Hybrid Rate: £700 - £750 a day Location : Hybrid - 3 days a week in London Clearance: DV + UK Sole National You will join a global IT consultancy who are delivering digital transformation to a central government agency. The role: Strategic network delivery of design artifacts in alignment … with project schedule. Artefacts include, but not limited to: Site specific network design (HLD/LLD) Passive infrastructure design and laydown System specific active equipment installation design Rack layouts Patching schedules Enterprise, Local IT & Other Government Department (OGD) System Owner engagement to ensure alignment of proposed system implementation. Strong technical background with understanding of end-to-end system design … and dependencies. Network Architecture & Design Network Implementation Passive (fibre & copper, vertical (backbone) & horizontal) infrastructure design LANs & WANs WAN circuit dependencies and provisioning Data Encryption (cryptos) End User Device (EUD), computer storage, etc dependencies upon network infrastructure. Uninterruptible Power Supplies (UPS) Understanding of system delivery lifecycle through Service Design, Service Transition, Service Acceptance and Live Service Working More ❯

Network Design Engineers - Fortinet/SD-WAN | London | £50 - 72k + Bonus Please note - no visa sponsorship available, only candidates who are eligible for SC Clearance can be considered (living in the UK for five years continuously - ILR, British Citizenship or similar settled status acceptable) Are you a skilled Network Engineer ready to take on high impact projects … for a leading technology provider I am exclusively partnered with a major enterprise client on a large scale transformation programme and I'm looking for Network Design Engineers with strong experience in Fortinet, SD-WAN, and network security to join the team.What's on Offer Permanent roles with competitive salaries: £50-72k + 10% bonus Hybrid working … days on-site in London Work on cutting-edge network architecture and secure infrastructure design Join a fast-paced delivery team with real impact across public and private sector clients What We're Looking For Proven experience in network design and deployment Hands-on with Fortinet firewalls, SD-WAN, and Juniper/Cisco technologies Strong understanding of More ❯

Network Design Engineers - Fortinet/SD-WAN | London | £50 - 72k + Bonus Please note - no visa sponsorship available, only candidates who are eligible for SC Clearance can be considered (living in the UK for five years continuously - ILR, British Citizenship or similar settled status acceptable) Are you a skilled Network Engineer ready to take on high impact projects … for a leading technology provider? I am exclusively partnered with a major enterprise client on a large scale transformation programme and I'm looking for Network Design Engineers with strong experience in Fortinet, SD-WAN, and network security to join the team. What's on Offer Permanent roles with competitive salaries: £50-72k + 10% bonus Hybrid … working: 3 days on-site in London Work on cutting-edge network architecture and secure infrastructure design Join a fast-paced delivery team with real impact across public and private sector clients What We're Looking For Proven experience in network design and deployment Hands-on with Fortinet firewalls, SD-WAN, and Juniper/Cisco technologies Strong More ❯

Network Design Engineers - Fortinet/SD-WAN | London | £50 - 72k + Bonus Please note - no visa sponsorship available, only candidates who are eligible for SC Clearance can be considered (living in the UK for five years continuously - ILR, British Citizenship or similar settled status acceptable) Are you a skilled Network Engineer ready to take on high impact projects … for a leading technology provider? I am exclusively partnered with a major enterprise client on a large scale transformation programme and I'm looking for Network Design Engineers with strong experience in Fortinet, SD-WAN, and network security to join the team. What's on Offer Permanent roles with competitive salaries: £50-72k + 10% bonus Hybrid … working: 3 days on-site in London Work on cutting-edge network architecture and secure infrastructure design Join a fast-paced delivery team with real impact across public and private sector clients What We're Looking For Proven experience in network design and deployment Hands-on with Fortinet firewalls, SD-WAN, and Juniper/Cisco technologies Strong More ❯

Security Analyst (Network & Support) Location - London (Hybrid) Duration - 6 Months (Initially) Rate - £450 (A day) IR35 - Outside IR35 Summary To be part of Digital Services, actively contributing as a member of the Infrastructure and Operations Team to support and develop the Network Infrastructure, Services, and Security. Provide 3rd line support for all wired, Wi-Fi, and remote access … network services to staff, students, contractors, and visitors. Act as a key point of reference in network security, contributing to the implementation, development, provisioning, and operational support of network dependencies. The post holder will be expected to support the designing, implementation, and maintenance of our client's Network Security Infrastructure to protect against cyber threats. Accountabilities … and Responsibilities Security Operations Support Serve as a reference point for network security across IT teams, providing guidance and specialised expertise on security measures. Conduct vulnerability assessments, security audits, and continuous monitoring of network traffic for anomalies using advanced security tools. Collaborate with IT teams to ensure security measures are integrated into network architecture and applications More ❯

Security Analyst (Network & Support) Location - London (Hybrid) Duration - 6 Months (Initially) Rate - £450 (A day) IR35 - Outside IR35 Summary To be part of Digital Services, actively contributing as a member of the Infrastructure and Operations Team to support and develop the Network Infrastructure, Services, and Security. Provide 3rd line support for all wired, Wi-Fi, and remote access … network services to staff, students, contractors, and visitors. Act as a key point of reference in network security, contributing to the implementation, development, provisioning, and operational support of network dependencies. The post holder will be expected to support the designing, implementation, and maintenance of our client's Network Security Infrastructure to protect against cyber threats. Accountabilities … and Responsibilities Security Operations Support Serve as a reference point for network security across IT teams, providing guidance and specialised expertise on security measures. Conduct vulnerability assessments, security audits, and continuous monitoring of network traffic for anomalies using advanced security tools. Collaborate with IT teams to ensure security measures are integrated into network architecture and applications More ❯

Network Security Engineer Network Security/Penetration Testing/CREST/CSTL/API Testing/Config Reviews/Infrastructure/Outside IR35/West London We’re seeking an experienced Network Security Engineer to support a major multi-phase security testing project. You’ll conduct penetration tests, configuration reviews, and infrastructure assessments, contributing to a high … profile programme of work extending into next year. Required Strong background in network and infrastructure security. Experience performing penetration testing, configuration reviews, and API testing. Knowledge of “classic” CHECK-style testing methodologies. CREST, CSTL or CTL certification (Team Member or Team Leader level). Ability to deliver high-quality reports and communicate technical findings clearly. Hands-on experience across … infrastructure, networking, and external testing. Desirable Experience working within CHECK or other accredited testing schemes. Strong understanding of secure network architecture and hardening practices. Previous consultancy or project-based testing experience. Contract Details Outside IR35 West London (on-site presence required for majority of testing) 0-hours contract – project-based work, phase by phase Initial phase focused on More ❯

Network Security Engineer Network Security/Penetration Testing/CREST/CSTL/API Testing/Config Reviews/Infrastructure/Outside IR35/West London We’re seeking an experienced Network Security Engineer to support a major multi-phase security testing project. You’ll conduct penetration tests, configuration reviews, and infrastructure assessments, contributing to a high … profile programme of work extending into next year. Required Strong background in network and infrastructure security. Experience performing penetration testing, configuration reviews, and API testing. Knowledge of “classic” CHECK-style testing methodologies. CREST, CSTL or CTL certification (Team Member or Team Leader level). Ability to deliver high-quality reports and communicate technical findings clearly. Hands-on experience across … infrastructure, networking, and external testing. Desirable Experience working within CHECK or other accredited testing schemes. Strong understanding of secure network architecture and hardening practices. Previous consultancy or project-based testing experience. Contract Details Outside IR35 West London (on-site presence required for majority of testing) 0-hours contract – project-based work, phase by phase Initial phase focused on More ❯

design, build, and operate systems that directly enable trading and investment decision-making. With trading volumes, data analytics, and cloud integration scaling rapidly, the firm is expanding its core network engineering function to ensure its systems remain ultra-low latency, secure, and globally consistent. This is a key hire in building the next generation of network architecture … environment and global technology platform Opportunities for professional development and advanced certifications A collaborative, high-trust culture that values expertise and innovation What You’ll Do As a Senior Network Engineer, you’ll play a central role in maintaining and evolving the firm’s global data and voice network. You’ll design and deliver projects that support both trading … operations and broader business initiatives across data centres, offices, and cloud environments. Key responsibilities include: Owning and supporting the global network and voice infrastructure Designing, implementing, and optimising secure, scalable network solutions Partnering with internal teams and external vendors to resolve complex network issues Leading infrastructure projects involving data centres, telephony, and cloud connectivity Performing proactive monitoring More ❯

design, build, and operate systems that directly enable trading and investment decision-making. With trading volumes, data analytics, and cloud integration scaling rapidly, the firm is expanding its core network engineering function to ensure its systems remain ultra-low latency, secure, and globally consistent. This is a key hire in building the next generation of network architecture … environment and global technology platform Opportunities for professional development and advanced certifications A collaborative, high-trust culture that values expertise and innovation What You’ll Do As a Senior Network Engineer, you’ll play a central role in maintaining and evolving the firm’s global data and voice network. You’ll design and deliver projects that support both trading … operations and broader business initiatives across data centres, offices, and cloud environments. Key responsibilities include: Owning and supporting the global network and voice infrastructure Designing, implementing, and optimising secure, scalable network solutions Partnering with internal teams and external vendors to resolve complex network issues Leading infrastructure projects involving data centres, telephony, and cloud connectivity Performing proactive monitoring More ❯

design, build, and operate systems that directly enable trading and investment decision-making. With trading volumes, data analytics, and cloud integration scaling rapidly, the firm is expanding its core network engineering function to ensure its systems remain ultra-low latency, secure, and globally consistent. This is a key hire in building the next generation of network architecture … environment and global technology platform Opportunities for professional development and advanced certifications A collaborative, high-trust culture that values expertise and innovation What You’ll Do As a Senior Network Engineer, you’ll play a central role in maintaining and evolving the firm’s global data and voice network. You’ll design and deliver projects that support both trading … operations and broader business initiatives across data centres, offices, and cloud environments. Key responsibilities include: Owning and supporting the global network and voice infrastructure Designing, implementing, and optimising secure, scalable network solutions Partnering with internal teams and external vendors to resolve complex network issues Leading infrastructure projects involving data centres, telephony, and cloud connectivity Performing proactive monitoring More ❯