1 to 25 of 69 Network Design Jobs in London

Job Title: Network Engineer Level 3 Location: London, UK Duration: 6-month contract (Inside IR35) Working Mode: Hybrid Job Description: This position is responsible for supporting the design, configuration, monitoring, and maintenance of network hardware, systems, and software. It includes preparing documentation for future reference and ensuring timely communication regarding network security and other issues. Essential … Duties: Develop and implement detailed logical designs in areas such as routing and switching, network security and firewalls, multicast architecture, MPLS, and SD-WAN (preferably). Develop secure network designs, maximizing the usage of routers and switches. Analyze traffic behaviors, identify, and resolve congestion or traffic issues. Establish procedures and best practices for data backups and disaster recovery … operations. Monitor network performance and determine necessary adjustments and future changes. Collaborate with internal and external customers to fill information gaps and communicate architecture, technical solutions, and DC audits. Work closely with the HQ Network team, updating the HLD and LLDs as needed, with hands-on experience in MS-Visio. Manage lifecycle activities like patching, firmware and OS More ❯

Join to apply for the Senior Network Architect role at Transport for London Continue with Google Continue with Google Join to apply for the Senior Network Architect role at Transport for London Salary : £78,000-£85,000 dependent on skills, knowledge & experience. Including excellent benefits such as free travel across TfL services, Final Salary Pension and 30 days … of 50% of time working from home a month, averaging 2-3 days a week in the office. Build a thriving, future-forward city with us As a Senior Network Architect in the Hosting and Infrastructure Architecture team at TfL you'll be at the heart of major projects and programmes of work that continually improve the travel experience … for someone with expert knowledge across the following infrastructure technologies: Data centre networks including public and private cloud (e.g. MPLS, SDN and WAN/LAN, Fabric, WiFi, QoS & CoS) Network technologies including firewall, switching, routing and proxy (e.g. F5 VPN and Load Balancing, Citrix Netscaler VPN and Load Balancing, Cisco (Firewalls, Routing, Switching and Wireless LAN controllers), Checkpoint Firewalls More ❯

Network Design Architect 2 Month Contract Uxbridge £450/day (Outside IR35) Network Design Architect needed with strong Fortinet and Cisco Nexus network solutions experience. Start asap in July/August 2025. 2 Month initial contract based on-site 5 days/week near Hayes (MIddlesex). Strong chance of contract extensions. Must be willing … full-time from the office located near Hayes/West Drayton. A chance to work with a global IT Consultancy for a Telecoms end client on a large-scale network solutions project. Key skills, experience + tasks will include: Design, configuration + implementation of Fortinet and Cisco Nexus network solutions. Preparing Low-Level Design (LLD) and … Configuration Design Documents for Cisco + Fortinet network equipment. Writing accurate configuration scripts for: Fortinet SD-WAN, Fortinet Firewalls (policies, NAT, VPNs), Cisco Nexus (data centre switching), Cisco WiFi/LAN, and Routing/Switching platforms. Modifying configurations on current infrastructure to align with new designs, standards and policies. Preparing configuration for new hardware, ensuring it meets security More ❯

Job Overview: As a Network Security Engineering team member, the Senior Network Security Engineer will specialise in firewalls and routing. The ideal candidate is a flexible, self-motivated individual who excels at multitasking and thrives in a fast-paced, challenging environment. This self-starter will bring ingenuity and expertise to design, implement, and maintain secure, scalable, high … performing network solutions that connect on-premises and public cloud environments. The role emphasizes driving automation through Infrastructure-as-Code (IaC) and GitOps methodologies, ensuring optimal network performance, and integrating robust security measures. Responsibilities: Network Design and Implementation: Design and implement secure, scalable, and high-performing network solutions bridging on-premises and public cloud … environments. Leverage routing and switching expertise (e.g., BGP, OSPF, MPLS) to ensure network performance and reliability across diverse environments. Analyze operational needs and proactively develop creative network solutions to address security challenges. Security and Firewall Management: Manage firewall configurations for the CyberEnergianetwork based on operational requirements. Develop and implement network security tools, produce threat models, and assess More ❯

LSEG is looking for a Network Design Engineer to establish successful partnerships with our internal product, engineering, operational and business partners. This is a technical position for someone who can investigate, design, engineer, build and test hybrid on premise and cloud-optimized network designs. The role involves elements of design, engineering, automation and testing to … produce infrastructure designs that align with business and architectural requirements. As well as a confirmed technical background, the ideal candidate will be able to follow industry standard design, development and engineering frameworks incorporating planning, design, implementation, engineering, testing, operation and optimization. Be able to effectively participate in multi-functional meetings, clearly articulate infrastructure features and capabilities, translate business … requirements into technical requirements into outcomes that are fit for purpose and use. The role requires an individual experienced in the technical analysis, definition, design, construction, testing, installation and modification of accurately engineered network and information systems to meet agreed business needs. An individual that analyzes and evaluates alternative solutions, and serves as domain authorities between the business More ❯

LSEG is looking for a Network Design Engineer to establish successful partnerships with our internal product, engineering, operational and business partners. This is a technical position for someone who can investigate, design, engineer, build and test hybrid on premise and cloud-optimized network designs. The role involves elements of design, engineering, automation and testing to … produce infrastructure designs that align with business and architectural requirements. As well as a confirmed technical background, the ideal candidate will be able to follow industry standard design, development and engineering frameworks incorporating planning, design, implementation, engineering, testing, operation and optimization. Be able to effectively participate in multi-functional meetings, clearly articulate infrastructure features and capabilities, translate business … requirements into technical requirements into outcomes that are fit for purpose and use. The role requires an individual experienced in the technical analysis, definition, design, construction, testing, installation and modification of accurately engineered network and information systems to meet agreed business needs. An individual that analyzes and evaluates alternative solutions, and serves as domain authorities between the business More ❯

In your role you will support complex network architectures by developing, designing, configuring, and implementing detailed network engineering strategies/solutions that meet and/or exceed capability, flexibility, scalability, performance, and reliability objectives for a variety of large projects, across multiple technologies, within technical area of expertise. You will also provide technical leadership to team/vendor …/contractor resources, ensuring viability of designs, flawless execution, and seamless transition into the production environment. Responsibilities: Independently perform highly complex assignments. Network design, architecture, management, and deployment of new and existing routing and switching within campus, cloud and data center networks. Lead proper execution of network changes & updates in accordance with corporate security policies to meet … business requirements. Responsible for network performance, as well as conformance to security hardening standards and assessment of CVEs. Ability to troubleshoot network-related issues in a logical manner and complete problem resolution management. Research, recommend, and establish innovative solutions for proper capacity planning that scale with the business growth. Where possible, introduce automation for daily routine administrative tasks. More ❯

Where you'll fit in & what our team goals are In your role you will support complex network architectures by developing, designing, configuring, and implementing detailed network engineering strategies/solutions that meet and/or exceed capability, flexibility, scalability, performance, and reliability objectives for a variety of large projects, across multiple technologies, within technical area of expertise. …/vendor/contractor resources, ensuring viability of designs, flawless execution, and seamless transition into the production environment. How you'll spend your time Independently perform highly complex assignments. Network design, architecture, management, and deployment of new and existing routing and switching within campus, cloud and data center networks. Lead proper execution of network changes & updates in … accordance with corporate security policies to meet business requirements. Responsible for network performance, as well as conformance to security hardening standards and assessment of CVEs. Ability to troubleshoot network-related issues in a logical manner and complete problem resolution management. Research, recommend, and establish innovative solutions for proper capacity planning that scale with the business growth. Where possible More ❯

Network Design Architect 9 Week Rolling Contract Uxbridge £(Apply online only)/day (Outside IR35) Network Design Architect needed with strong Fortinet and Cisco Nexus experience. Start ASAP in July 2025. 9 Week initial contract in Uxbridge . Strong probability of contract extension. Must be willing to work full-time from the Uxbridge office. A chance … to work with a global IT Consultancy for a Telecoms end client. Key skills, experience + tasks will include: The Project: technical design, configuration + implementation on Fortinet + Cisco Nexus network solutions. Changing the current configuration on existing equipment and preparing the config on new equipment including write configurations + load configurations. Technical Skills: Fortinet SD-WAN More ❯

Network Design Architect 9 Week Rolling Contract Uxbridge £(Apply online only)/day (Outside IR35) Network Design Architect needed with strong Fortinet and Cisco Nexus experience. Start ASAP in July 2025. 9 Week initial contract in Uxbridge . Strong probability of contract extension. Must be willing to work full-time from the Uxbridge office. A chance … to work with a global IT Consultancy for a Telecoms end client. Key skills, experience + tasks will include: The Project: technical design, configuration + implementation on Fortinet + Cisco Nexus network solutions. Changing the current configuration on existing equipment and preparing the config on new equipment including write configurations + load configurations. Technical Skills: Fortinet SD-WAN More ❯

Our telecoms client is looking for Network Design Specialists/Architects initially for 3 months with good possibility of extensions. The role is fully onsite Mon-Fi 8-5pm, some out of hours 24 hours working may be required. Candidates need to be eligible for SC clearance. The rate is £400-£425 per day outside IR35. Mandatory … Skills: * Fortinet SDWAN * Fortinet Firewalls * Cisco Nexus * Cisco - Wi-Fi-LAN * General Routing & Switching * General Firewall & Security Design * Write configurations * Load configurations This is to change current config on some existing equipment and prepare the config on new equipment More ❯

Our telecoms client is seeking Network Design Specialists/Architects for an initial 3-month contract, with a high likelihood of extension. Job Details: Location: Fully onsite, Monday to Friday, 8:00 AM - 5:00 PM Possible out-of-hours work (24 hours) Eligibility for SC clearance required Rate: £400-£425 per day outside IR35 Mandatory Skills: Fortinet … SDWAN Fortinet Firewalls Cisco Nexus Cisco Wi-Fi LAN General Routing & Switching Firewall & Security Design Writing and loading configurations Role Description: This role involves modifying existing configurations on current equipment and preparing configurations for new equipment. About LA International: LA International is a UK government-approved ICT recruitment and project solutions consultancy, operating globally. We serve as an IT More ❯

Our telecoms client is seeking Network Design Specialists/Architects for an initial 3-month contract, with a high likelihood of extension. The role is fully onsite from Monday to Friday, 8 am to 5 pm. Some out-of-hours work, including 24-hour shifts, may be required. Candidates must be eligible for SC clearance. The daily rate … is £400-£425 outside IR35. Mandatory Skills: Fortinet SDWAN Fortinet Firewalls Cisco Nexus Cisco Wi-Fi LAN General Routing & Switching General Firewall & Security Design Write configurations Load configurations This position involves modifying existing configurations on current equipment and preparing configurations for new equipment. LA International is a UK-based, HMG-approved ICT Recruitment and Project Solutions Consultancy. We operate More ❯

Our telecoms client is looking for Network Design Specialists/Architects initially for 3 months with good possibility of extensions. The role is fully onsite Mon-Fi 8-5pm, some out of hours 24 hours working may be required. Candidates need to be eligible for SC clearance. The rate is £400-£425 per day outside IR35. Mandatory … Skills: * Fortinet SDWAN * Fortinet Firewalls * Cisco Nexus * Cisco - Wi-Fi-LAN * General Routing & Switching * General Firewall & Security Design * Write configurations * Load configurations This is to change current config on some existing equipment and prepare the config on new equipment LA International is a HMG approved ICT Recruitment and Project Solutions Consultancy, operating globally from the largest single site in More ❯

Job Description Our telecoms client is seeking Network Design Specialists/Architects for an initial 3-month contract, with a high likelihood of extension. The role is fully onsite from Monday to Friday, 8-5pm. Some out-of-hours work, including 24-hour shifts, may be required. Applicants must be eligible for SC clearance. The daily rate … is £425-£450 outside IR35. Mandatory Skills: Fortinet SDWAN Fortinet Firewalls Cisco Nexus Cisco Wi-Fi LAN General Routing & Switching General Firewall & Security Design Write configurations Load configurations This role involves modifying existing configurations on current equipment and preparing configurations for new equipment. Due to the urgency and nature of this position, candidates with or who have previously held More ❯

security frameworks and regulatory requirements (ISO 27001, NIST, GDPR, SOC2, FCA). Conduct regular security risk assessments, penetration tests, and vulnerability management across cloud services. Oversee endpoint security, cloud network and API security for robust protection across all assets Define, manage and maintain accurate DR and BCP plans for the infrastructure area with biannual tests. Technical Experience Microsoft Azure … Infrastructure design and administration, including topology, Azure networking, services, and component knowledge, Microsoft AD (Entra), Server and SQL experience, O365 administration and design Global Software Patching and estate management via Intune Firewall (Azure, CheckPoint and Cloudflare), DNS, VPN, WIFI and Local Area Network design & administration experience Software Defined Networking (Cisco, Meraki, Versa) Key Skills Microsoft More ❯

security frameworks and regulatory requirements (ISO 27001, NIST, GDPR, SOC2, FCA). • Conduct regular security risk assessments, penetration tests, and vulnerability management across cloud services. • Oversee endpoint security, cloud network and API security for robust protection across all assets • Define, manage and maintain accurate DR and BCP plans for the infrastructure area with biannual tests. Technical Experience • Microsoft Azure … Infrastructure design and administration, including topology, Azure networking, services, and component knowledge, • Microsoft AD (Entra), Server and SQL experience, • O365 administration and design • Global Software Patching and estate management via Intune • Firewall (Azure, CheckPoint and Cloudflare), DNS, VPN, WIFI and Local Area Network design & administration experience • Software Defined Networking (Cisco, Meraki, Versa) Key Skills • Microsoft More ❯

Network Design Engineer 3 Month Contract Uxbridge £400-£450/day (Outside IR35) Network Design Engineer needed with strong Fortinet and Cisco Nexus experience. Start ASAP in June/July 2025. 3 Month Rolling Contract in Uxbridge . Must be willing to work full-time from the Uxbridge office. A chance to work with a global … IT Consultancy for a Telecoms end client. Key skills, experience + tasks will include: The Project: technical design, configuration and implementation on Fortinet + Cisco Nexus network solutions. Changing the current configuration on existing equipment and preparing the config on new equipment including write configurations + load configurations. Technical Skills: Fortinet SDWAN, Fortinet Firewalls, Cisco Nexus, Cisco (WiFi More ❯

Network Design Engineer 3 Month Contract Uxbridge £400-£450/day (Outside IR35) Network Design Engineer needed with strong Fortinet and Cisco Nexus experience. Start ASAP in June/July 2025. 3 Month Rolling Contract in Uxbridge . Must be willing to work full-time from the Uxbridge office. A chance to work with a global … IT Consultancy for a Telecoms end client. Key skills, experience + tasks will include: The Project: technical design, configuration and implementation on Fortinet + Cisco Nexus network solutions. Changing the current configuration on existing equipment and preparing the config on new equipment including write configurations + load configurations. Technical Skills: Fortinet SDWAN, Fortinet Firewalls, Cisco Nexus, Cisco (WiFi More ❯

Job Title: Senior Telecoms Network Design Architect Location: Hybrid working London or Reading | Type: Contract | Rate: £600 per day Outside Role Overview: We are seeking a highly experienced Telecoms Network Infrastructure Architect with deep expertise in, Telecoms infrastructure, data centre networking , and cloud-native technologies . The successful candidate will design, implement, and support complex, scalable … and secure telecoms infrastructure solutions across data centre and cloud environments, with a strong focus on automation, virtualisation, and software-defined networking. Key Responsibilities: Design and implement data centre fabric architectures (Clos, VXLAN, EVPN, multi-domain routing, DCI, anycast, micro-segmentation). Develop and support SDN solutions including distributed switching, routing, and security policy enforcement. Architect network solutions … for VNF and CNF applications , considering performance, scalability, and resilience. Support container-based environments with Kubernetes , including CNI plugins, ingress/egress, and network policies. Design and maintain services in virtualised and cloud-native platforms (OpenStack, OpenShift, WindRiver). Drive infrastructure automation using Ansible, Terraform, Python , and Infrastructure-as-Code practices. Ensure end-to-end service provider core More ❯

Job Description Job Title: Senior Telecoms Network Design Architect Location: Hybrid working London or Reading | Type: Contract (6 months initially) | Rate : £600 per day Outside Role Overview: We are seeking a highly experienced Telecoms Network Infrastructure Architect with deep expertise in, Telecoms infrastructure, data centre networking , and cloud- technologies . The successful candidate will design, implement … and support complex, scalable, and secure telecoms infrastructure solutions across data centre and cloud environments, with a strong focus on automation, virtualisation, and software-defined networking. Key Responsibilities: Design and implement data centre fabric architectures (Clos, VXLAN, EVPN, multi-domain routing, DCI, anycast, micro-segmentation). Develop and support SDN solutions including distributed switching, routing, and security policy enforcement. … Architect network solutions for VNF and CNF applications , considering performance, scalability, and resilience. Support container-based environments with Kubernetes , including CNI plugins, ingress/egress, and network policies. Design and maintain services in virtualised and cloud- platforms (OpenStack, OpenShift, WindRiver). Drive infrastructure automation using Ansible, Terraform, Python , and Infrastructure-as-Code practices. Ensure end-to-end More ❯

days ago Be among the first 25 applicants Job Title: Senior Telecoms Network Design Architect Location: Hybrid working London or Reading | Type: Contract (6 months initially) | Rate : £600 per day Outside Role Overview: We are seeking a highly experienced Telecoms Network Infrastructure Architect with deep expertise in, Telecoms infrastructure, data centre networking , and cloud-native technologies . … The successful candidate will design, implement, and support complex, scalable, and secure telecoms infrastructure solutions across data centre and cloud environments, with a strong focus on automation, virtualisation, and software-defined networking. Key Responsibilities: Design and implement data centre fabric architectures (Clos, VXLAN, EVPN, multi-domain routing, DCI, anycast, micro-segmentation). Develop and support SDN solutions including … distributed switching, routing, and security policy enforcement. Architect network solutions for VNF and CNF applications , considering performance, scalability, and resilience. Support container-based environments with Kubernetes , including CNI plugins, ingress/egress, and network policies. Design and maintain services in virtualised and cloud-native platforms (OpenStack, OpenShift, WindRiver). Drive infrastructure automation using Ansible, Terraform, Python , and More ❯

We are working with a trusted technology partner specialising in delivering market-leading network solutions for businesses of all sizes . Their experienced consultants and certified engineers design, implement, and manage robust IT infrastructure, ensuring optimal network performance and security. We are seeking multiple Senior Network Engineers (who combined cover the below skillsets) to join their … team, working on a network migration project for multiple customers. The role is a blend of network design, implementation, and operations in a dynamic environment. The position will require you to be onsite 2 days per week, with a focus on designing and deploying complex network solutions. Contract Details: Location: Liverpool Street, London Day Rate … per day Duration: 6 months (with scope for 18 months to 2 years) IR35 Status: Inside IR35 Work Arrangement: 2 days onsite per week Key Responsibilities: Design and implement network solutions, including Low-Level Design (LLD), upgrades, and network migrations. Design, implement, and manage network solutions using Cisco ACI and SDN technologies. Hands-on More ❯

security frameworks and regulatory requirements (ISO 27001, NIST, GDPR, SOC2, FCA). Conduct regular security risk assessments, penetration tests, and vulnerability management across cloud services. Oversee endpoint security, cloud network and API security for robust protection across all assets Define, manage and maintain accurate DR and BCP plans for the infrastructure area with biannual tests. Technical Experience Microsoft Azure … Infrastructure design and administration, including topology, Azure networking, services, and component knowledge, Microsoft AD (Entra), Server and SQL experience, O365 administration and design Global Software Patching and estate management via Intune Firewall (Azure, CheckPoint and Cloudflare), DNS, VPN, WIFI and Local Area Network design & administration experience Software Defined Networking (Cisco, Meraki, Versa) Key Skills Microsoft More ❯

security frameworks and regulatory requirements (ISO 27001, NIST, GDPR, SOC2, FCA). Conduct regular security risk assessments, penetration tests, and vulnerability management across cloud services. Oversee endpoint security, cloud network and API security for robust protection across all assets Define, manage and maintain accurate DR and BCP plans for the infrastructure area with biannual tests. Key Responsibilities: Manage the … with compliance, legal, and risk teams to ensure cloud governance and regulatory adherence. Champion close collaboration and a one team mentality across the IT. Technical Experience Microsoft Azure Infrastructure design and administration, including topology, Azure networking, services, and component knowledge, Microsoft AD (Entra), Server and SQL experience, O365 administration and design Global Software Patching and estate management via … Intune Firewall (Azure, CheckPoint and Cloudflare), DNS, VPN, WIFI and Local Area Network design & administration experience Software Defined Networking (Cisco, Meraki, Versa) Key Responsibilities: API Management Datawarehouse (Azure Storage Accounts and DataLake concepts) Virtualisation (Azure Virtual Machines) On prem and cloud backup technology experience (Veeam or other) IT Business process documentation (HLD, LLD, Principles, Policies, Procedures) Key Skills More ❯