12 of 12 Senior Network Engineer Jobs in the City of London

Network Deployment Engineer – CCNA/CCNP/CWMP/CWNE – London CRG Recruitment are working with our client to recruit Network Deployment Engineers into their business with strong expertise in wired network design or wireless network infrastructure. You will be a network engineer or network architect who has experience of designing networks … from the ground up. As a Network Deployment Engineer , you will be responsible for translating customer requirements to fully designed wired and wireless networks and you will be responsible for all technical decisions throughout the design and deployment phases, and support my clients customers through go live of the networks. Skills required for the role are below, Network Engineer or Network Architect experience in designing networks from the ground up Tier 2/3 Support Engineers where you have handled complex escalations and network troubleshooting Professional experience in customer-facing or design-oriented roles CCNA/CCNP certifications for wired specialists or CWMP/CWNE credentials for wireless specialists Previous work translating technical requirements More ❯

Network Deployment Engineer – CCNA/CCNP/CWMP/CWNE – London CRG Recruitment are working with our client to recruit Network Deployment Engineers into their business with strong expertise in wired network design or wireless network infrastructure. You will be a network engineer or network architect who has experience of designing networks … from the ground up. As a Network Deployment Engineer , you will be responsible for translating customer requirements to fully designed wired and wireless networks and you will be responsible for all technical decisions throughout the design and deployment phases, and support my clients customers through go live of the networks. Skills required for the role are below, Network Engineer or Network Architect experience in designing networks from the ground up Tier 2/3 Support Engineers where you have handled complex escalations and network troubleshooting Professional experience in customer-facing or design-oriented roles CCNA/CCNP certifications for wired specialists or CWMP/CWNE credentials for wireless specialists Previous work translating technical requirements More ❯

Network Engineer - Enterprise Networks £60,000 - £75,000+ benefits - hybrid working (3 days WFH each week) The Network Engineer/Senior Network Engineer will join a global team supporting Cisco infrastructure, responsible for the implementation and support of on prem network infrastructure ensuring optimum network uptime. The role joins the Network … days WFH each week with flex to choose which days you are in the office. Required skills and experience: 5+ years of proven experience supporting and configuring Cisco network devices, Firewalls, Switches, Load Balancers Strong experience of configuration protocols with OSPF and BGP and Layer7 switching, VPNs and related protocols Enterprise level Cisco Networking environment experience - supporting multiple data … centres Network Design, WAN/LAN Cisco certified All candidates must be UK based and eligible for Security clearance Please apply to this advert to discuss the details More ❯

Network Engineer - Enterprise Networks £60,000 - £75,000+ benefits - hybrid working (3 days WFH each week) The Network Engineer/Senior Network Engineer will join a global team supporting Cisco infrastructure, responsible for the implementation and support of on prem network infrastructure ensuring optimum network uptime. The role joins the Network … days WFH each week with flex to choose which days you are in the office. Required skills and experience: 5+ years of proven experience supporting and configuring Cisco network devices, Firewalls, Switches, Load Balancers Strong experience of configuration protocols with OSPF and BGP and Layer7 switching, VPNs and related protocols Enterprise level Cisco Networking environment experience - supporting multiple data … centres Network Design, WAN/LAN Cisco certified All candidates must be UK based and eligible for Security clearance Please apply to this advert to discuss the details More ❯

team to shape and deliver our strategic goals but also partner with the business functions to embed the values, behaviours and strategic ambitions. Summary of the role: As our Senior Network Engineer, you will be responsible for designing, implementing, and securing complex network infrastructures across multiple sites and cloud environments. This role requires deep expertise in … Fortinet, Cisco & other network technologies, with a strong focus on network security, SD-WAN, and cloud networking. The engineer will lead operational activities, manage third-party vendors, and oversee site setups, including mobile connectivity via 4G/5G and Starlink. A key part of the role involves team leadership, security posturing, and ensuring the resilience and compliance … of all network services. Responsibilities : As our Senior Network Engineer, you will: Design, deploy, and maintain LAN/WAN infrastructure across corporate offices, data centres and all Dalkia sites. Configure, manage, and troubleshoot network security appliances and firewalls, particularly Fortinet FortiGate. Maintain and optimise switching and routing environments. Support and enhance SD-WAN solutions, ensuring More ❯

team to shape and deliver our strategic goals but also partner with the business functions to embed the values, behaviours and strategic ambitions. Summary of the role: As our Senior Network Engineer, you will be responsible for designing, implementing, and securing complex network infrastructures across multiple sites and cloud environments. This role requires deep expertise in … Fortinet, Cisco & other network technologies, with a strong focus on network security, SD-WAN, and cloud networking. The engineer will lead operational activities, manage third-party vendors, and oversee site setups, including mobile connectivity via 4G/5G and Starlink. A key part of the role involves team leadership, security posturing, and ensuring the resilience and compliance … of all network services. Responsibilities : As our Senior Network Engineer, you will: Design, deploy, and maintain LAN/WAN infrastructure across corporate offices, data centres and all Dalkia sites. Configure, manage, and troubleshoot network security appliances and firewalls, particularly Fortinet FortiGate. Maintain and optimise switching and routing environments. Support and enhance SD-WAN solutions, ensuring More ❯

Job Title: Senior Network Engineer - Cisco Professional Services Location: London (3 days onsite per week) Salary: £90,000 The Company A leading Cisco Professional Services Partner, this organisation specialises in delivering next-generation network infrastructure to clients in the financial and professional services sectors. Operating at enterprise scale, they design, implement, and optimise complex Cisco environments … performance, security, and reliability. You’ll join a collaborative and technically accomplished team that’s passionate about innovation and continuous learning. This is an ideal environment for a motivated engineer looking to take the next step in their Cisco career, working on enterprise-level transformation projects alongside some of the industry’s most respected experts. Roles & Responsibilities As a … Senior Network Engineer, you’ll be responsible for designing, implementing, and maintaining advanced Cisco network solutions across large-scale financial and enterprise environments. Key responsibilities include: Designing, configuring, and deploying Cisco-based network infrastructure. Supporting enterprise network transformation and optimisation projects. Collaborating with consultants, architects, and client stakeholders on solution delivery. Providing hands-on More ❯

Job Title: Senior Network Engineer - Cisco Professional Services Location: London (3 days onsite per week) Salary: £90,000 The Company A leading Cisco Professional Services Partner, this organisation specialises in delivering next-generation network infrastructure to clients in the financial and professional services sectors. Operating at enterprise scale, they design, implement, and optimise complex Cisco environments … performance, security, and reliability. You’ll join a collaborative and technically accomplished team that’s passionate about innovation and continuous learning. This is an ideal environment for a motivated engineer looking to take the next step in their Cisco career, working on enterprise-level transformation projects alongside some of the industry’s most respected experts. Roles & Responsibilities As a … Senior Network Engineer, you’ll be responsible for designing, implementing, and maintaining advanced Cisco network solutions across large-scale financial and enterprise environments. Key responsibilities include: Designing, configuring, and deploying Cisco-based network infrastructure. Supporting enterprise network transformation and optimisation projects. Collaborating with consultants, architects, and client stakeholders on solution delivery. Providing hands-on More ❯

Venn Group are working with a University to hire an Senior Network Engineer on a contract basis, to provide expert-level technical support, resolve complex issues, and to assist with their Network re-architecture. This role is crucial to ensuring seamless network infrastructure across the University. Employment type: Contract Location: Central London Onsite requirement … and support of core data networking and wireless infrastructure , ensuring systems meet user needs and align with the University’s IT strategy. Drive capacity planning and technical development for network services, improving processes, tools, and documentation to enhance support and service delivery. Develop and test network solutions , focusing on data, voice, and wireless technologies; contribute to strategic planning … and service improvements based on feedback and research. Coordinate with external vendors to ensure effective delivery and support of third-party network and telecom services. Lead project work using the Information Services framework , managing your own tasks and supporting the team to meet deliverables and customer expectations. Provide training and documentation for Information Services staff, ensuring high service standards More ❯

Venn Group are working with a University to hire an Senior Network Engineer on a contract basis, to provide expert-level technical support, resolve complex issues, and to assist with their Network re-architecture. This role is crucial to ensuring seamless network infrastructure across the University. Employment type: Contract Location: Central London Onsite requirement … and support of core data networking and wireless infrastructure , ensuring systems meet user needs and align with the University’s IT strategy. Drive capacity planning and technical development for network services, improving processes, tools, and documentation to enhance support and service delivery. Develop and test network solutions , focusing on data, voice, and wireless technologies; contribute to strategic planning … and service improvements based on feedback and research. Coordinate with external vendors to ensure effective delivery and support of third-party network and telecom services. Lead project work using the Information Services framework , managing your own tasks and supporting the team to meet deliverables and customer expectations. Provide training and documentation for Information Services staff, ensuring high service standards 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 supporting … trading 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 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 supporting … trading 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 More ❯