1 to 25 of 147 Senior Network Engineer Jobs in the UK

Truth Builds Trust If our mission, values, and purpose align with your own, we would love to hear from you! Your opportunity Design and operate Cisco ACI infrastructure Automate network tasks and processes using Python, Ansible, and Terraform Design, implement and maintain the company's network infrastructure, including Cisco IOS-XE routers and switches, Cisco Nexus datacenter switches … LAN Controllers Configure and manage Palo Alto firewalls, including Panorama, and ensure that security policies are up to date and aligned with industry and internal standards Implement and manage network access control using Cisco ISE for 802.1x and TACACS Manage F5 Big-IP load balancers to ensure high availability and performance of critical applications Maintain and troubleshoot BGP and … OSPF routing protocols and participate in the design and implementation of routing and switching solutions Monitor the network using SolarWinds network monitoring solutions and take proactive measures to prevent network outages and performance issues Manage Wi-Fi in a large office environment and ensure that wireless network performance meets business requirements Configure and manage WAN Technologies More ❯

Job details General information Reference 003598 Vacancy location Location United Kingdom, London, London Work Place Hybrid Region UK Vacancy details Job Profile Lockton - Experienced Professional Title Senior Network Engineer Description Lockton is the world's largest independent insurance broker. Dedicated to delivering innovative solutions and exceptional service. We have a fantastic opportunity for a skilled Engineer to join our team and contribute to our mission of excellence. Job Summary We are looking for a Senior Network Engineer with significant experience in enterprise network design, implementation, and security, with expertise in Palo Alto firewalls, Cisco SD-WAN and networking, Aruba wireless, and F5 load balancing solutions. The ideal candidate will be responsible … for deploying, managing, and optimizing network infrastructure, ensuring high availability, security, and scalability. As a Senior Network Engineer, you will play a key role in network troubleshooting, security enhancements, and performance tuning, while collaborating with cross-functional teams to support business continuity and IT modernization initiatives. Key Responsibilities • Network Infrastructure Deployment & Management • Security & Firewall More ❯

Join to apply for the Senior Network Engineer (Specialist II - Cloud Infrastructure Services) role at UST Continue with Google Continue with Google Join to apply for the Senior Network Engineer (Specialist II - Cloud Infrastructure Services) role at UST Senior Network Engineer On-site or Hybrid depending on business needs) We're … seeking a highly experienced Senior Network Engineer to design, implement, and secure enterprise and cloud network infrastructures. With deep technical expertise, you’ll be the go-to authority on cloud networking, routing and switching, security, and compliance, ensuring robust, high-performance environments that meet today’s most demanding operational and regulatory requirements. Role Description Senior Network Engineer London - ( On-site or Hybrid depending on business needs) We're seeking a highly experienced Senior Network Engineer to design, implement, and secure enterprise and cloud network infrastructures. With deep technical expertise, you’ll be the go-to authority on cloud networking, routing and switching, security, and compliance, ensuring robust, high More ❯

As a Senior Network Engineer, you will bring your expertise with Cisco, Juniper, and next generation firewall technologies to the position. You will manage performance and availability of Abacus datacentre networks across the US and UK and participate in improvement projects. You will be part of a team tasked with maintaining a very high level of availability … also be a point of escalation for support incidents that affect multiple clients. Further, you will serve as a technical lead for internal and client projects, participating in client network builds. Responsibilities: Diagnose and resolve complex issues quickly, proactively identify areas for improvement and recommend solutions. Support and maintain network backbone infrastructure involving multiple datacentres and geographic regions … on dynamic routing protocols (OSPF, BGP), and various mediums (DIA, PTP, VPN, multi-gig connectivity, cross-connects). Work independently to lead medium sized client engagements involving equipment deployment, network design, or refresh tasks. Provide escalation support for incidents involving client offices, Abacus datacentres, public cloud networks (Azure and AWS), and remote access (VPN, Citrix, etc.). Support and More ❯

Senior Networks Engineer (Routing & Switching) Join to apply for the Senior Networks Engineer (Routing & Switching) role at Tesco Technology Continue with Google Continue with Google Senior Networks Engineer (Routing & Switching) Join to apply for the Senior Networks Engineer (Routing & Switching) role at Tesco Technology At Tesco we offer an outstanding opportunity for … a Senior Networks Engineer to join our ambitious team. This role is based in Welwyn Garden City (or London) and is central to our mission of delivering world-class e-commerce experiences. You will be part of a dynamic team crafting, developing, and implementing pioneering network solutions that support our global operations. If you are passionate about … and maintain positive relationships within and across teams. Technical leadership skills and the ability to mentor individuals. Effective communication skills for delivering and presenting designs, strategies, and concepts to senior and junior staff alike. A dedication to staying current with the latest industry technologies and supplier solutions like SDN and SDWAN. Required Technology Skills Applicants should possess at least More ❯

Paragon is searching for a Senior Network Engineer for a role with an Oil & Gas company in London. This is a staff role and will be in the office 4 days a week and remote for 1 day a week. Candidate must have experience of taking projects from design to post-implementation, experience with Arista and Palo … Alto highly desired, and must be CCNA or CCIE certified. Candidates must have at least 5+ years of network design and implementation experience (Data Center, Campus, Wi-Fi, Security). Position Title : Senior Network Security Engineer Contract Type : Staff Expected package : To be discussed. Location : London, UK. As a member of our client’s UK-based … IT team you will be playing a key role in maintaining and enhancing our global network infrastructure. You will ensure network stability, security, and efficiency across our operations while driving improvements and innovation. Key Responsibilities Network Design & Implementation: Contribute to the development and execution of client’s global networking roadmap. Network Monitoring & Troubleshooting: Maintain, monitor, and More ❯

Role: Senior Network Engineer - Permanent *Essential experience with Arista Switches & Firepower & Palo Alto.* Reports to: Head of Infrastructure Location: West London - Candidates must be located within 60-75 minutes commute to West London Description Location: This role is based in their office located in West London (potentially some hybrid working following successful induction/probation). Our … sustainable development of its assets in their international location. They value a collaborative approach, promote diversity, and prioritize safety and integrity in all operations. We are looking for a Senior Network Engineer to join their IT team, playing a key role in maintaining and enhancing their global network infrastructure. You will ensure network stability, security … and efficiency across operations while driving improvements and innovation. *Essential experience with Arista Switches & Firepower & Palo Alto.* Key Responsibilities Network Design & Implementation: Contribute to the development and execution of the company's global networking roadmap. Network Monitoring & Troubleshooting: Maintain, monitor, and resolve issues in the global network infrastructure. Security & Incident Management: Act as the primary contact for More ❯

Join to apply for the Senior Network Engineer role at Supermercados Guanabara 4 days ago Be among the first 25 applicants Join to apply for the Senior Network Engineer role at Supermercados Guanabara Job Title: Senior Network Engineer Location: London (Canary Wharf) – Hybrid (1–2 days/week on site, parking … disaster recovery testing to building toward an Infrastructure-as-Code and SecDevOps future. This is more than a support role, you'll help shape how the organisation evolves its network capability over the next 12–18 months. As a Senior Engineer experienced in leading complex projects and influence architecture, this is your chance to be part of … a journey. The Role You'll be a key part of the infrastructure team, working with experienced engineers and contractors to maintain and improve network services across a predominantly cloud-hosted environment. You'll have broad exposure across Cisco, Azure, and security tooling — supporting BAU, delivering infrastructure projects, and helping evolve the network towards greater automation and resilience. More ❯

Join to apply for the Senior Network Engineer role at OpticoreIT 4 days ago Be among the first 25 applicants Join to apply for the Senior Network Engineer role at OpticoreIT Opticore IT is a specialist Network Engineer and Project Management consultancy offering a wide variety of opportunities to work within fast … paced, challenging environments across our client base spanning multiple sectors including Finance, Broadcast Media, Telecommunications and more. We are currently seeking a Network Engineer , to join our Network Practice ; within one of our Financial clients. This opportunitity requires expertise in Data Centre projects, advanced routing and Switching, and Firewalls. This is a hybrid position but you will … the office up to 2 days a week, based in the London . What you'll be doing: Lead the design, deployment, configuration, and maintenance of robust and scalable network solutions incorporating Cisco and Juniper routers, switches, and related technologies. Manage and administer Fortinet and Palo Alto Networks next-generation firewalls (NGFWs), including centralized management tools (e.g., FortiManager, Panorama More ❯

the sustainable development of its assets in Gabon. We value a collaborative approach, promote diversity, and prioritize safety and integrity in all our operations. We are looking for a Senior Network Engineer to join our IT team, playing a key role in maintaining and enhancing our global network infrastructure. You will ensure network stability, security … and efficiency across our operations while driving improvements and innovation. Key Responsibilities Network Design & Implementation: Contribute to the development and execution of Assala's global networking roadmap. Network Monitoring & Troubleshooting: Maintain, monitor, and resolve issues in Assala's global network infrastructure. Security & Incident Management: Act as the primary contact for network security events, analysing alerts, vulnerabilities … and potential threats. Supplier & Vendor Management: Manage relationships with network service providers, ensuring optimal WAN, LAN, and hardware performance. Configuration & Optimization: Create and modify configurations on Cisco/Arista switches, routers, and firewalls (Firepower & Palo Alto). Threat Analysis & Mitigation: Utilise threat intelligence services and security tools to identify and address vulnerabilities. Automation & Scripting: Implement network automation using More ❯

Senior Network Engineer Leidos heritage companies pioneered the development of air traffic control systems in the United States more than 50 years ago. Today our systems handle 75 per cent of the air traffic in the U.S. and approximately 60 per cent of the worlds air traffic. When it comes to air traffic safety and efficiency, our … and we are now at the heart of the innovative development work to modernise ATM solutions. Job Description Working with the Account Architect you will design, deploy, and manage network solutions utilizing the following: Cisco ISE (Identity Services Engine) Cisco Catalyst Center (formerly DNA Center) Cisco Wireless systems leveraging 9800 Controllers Cisco SD-Access and SD-WAN Cisco SASE … services, including Umbrella and Secure Access Palo Alto firewalls Azure networking Maintain and enhance network infrastructure with advanced knowledge of: BGP and BGP Address Families MPLS technologies VPN and remote access solutions Cloud-based environments Collaborate with cross-functional teams to deliver secure and scalable networking solutions. Develop and implement network automation strategies to improve efficiency. Monitor, troubleshoot More ❯

Senior Network Engineer – Hybrid Our client is urgently looking for an experienced Senior Network Engineer to join their team based in London, on a permanent basis. Please note, the role is Hybrid, with 2 days required on-site each week. You will be responsible for deploying, managing, and optimizing network infrastructure, ensuring high … well as a brilliant benefits package including bonus, annual leave, leading pension scheme, private health cover, medical plan, life assurance, income protection, EV scheme and many, many more perks! Senior Network Engineer – Key Skills: Insurance or Financial Services background Network Infrastructure Deployment & Management Security & Firewall Administration SD-WAN & WAN Optimization Load Balancing & Network Optimization Wireless … LAN Infrastructure Network Troubleshooting & Incident Response Documentation & Process Improvement Significant experience in enterprise networking, with hands-on expertise in: Palo Alto Firewalls (PAN-OS, GlobalProtect VPN, Threat Prevention) Cisco SD-WAN (Viptela/IOS XE)/Catalyst/ACI Aruba wireless networking, ClearPass NAC F5 BIG-IP (LTM, GTM, ASM) for load balancing Strong knowledge of routing protocols (BGP More ❯

11087SR £80k – 90k per year + Bonus + Brilliant Benefits Senior Network Engineer – Hybrid Our client is urgently looking for an experienced Senior Network Engineer to join their team based in London, on a permanent basis. Please note, the role is Hybrid, with 2 days required on-site each week. You will be responsible … for deploying, managing, and optimizing network infrastructure, ensuring high availability, security, and scalability. You will be rewarded with an excellent salary, as well as a brilliant benefits package including bonus, annual leave, leading pension scheme, private health cover, medical plan, life assurance, income protection, EV scheme and many, many more perks! Senior Network Engineer – Key Skills … Insurance or Financial Services background Network Infrastructure Deployment & Management Security & Firewall Administration SD-WAN & WAN Optimization Load Balancing & Network Optimization Wireless & LAN Infrastructure Network Troubleshooting & Incident Response Documentation & Process Improvement Significant experience in enterprise networking, with hands-on expertise in: Palo Alto Firewalls (PAN-OS, GlobalProtect VPN, Threat Prevention) Cisco SD-WAN (Viptela/IOS XE)/ More ❯

Job Title: Senior Network Engineer – Arista & Automation (Low-Latency DC Focus) Location: United Kingdom (Remote, with occasional site visits if needed) Day Rate: £420 - £430 (Inside IR35) Contract Type: Long-term rolling contract We are seeking an experienced Senior Network Engineer with a proven background in Arista-based data centre networks and a strong … focus on network automation . The successful candidate will join a highly technical environment supporting the design, deployment, and ongoing optimisation of low-latency, high-availability infrastructure across global data centres. You’ll work with a modern network stack (Arista EOS, CloudVision, Python, Nornir, Ansible) and interface closely with architecture, security, and DevOps teams to drive automation and … and troubleshoot BGP, EVPN (VXLAN), and Multicast (PIM, IGMP) in complex enterprise environments. Use Arista CloudVision for orchestration, telemetry, and automated configuration management across global environments. Build and maintain network automation scripts using Python, Nornir, and Ansible, ensuring repeatability and alignment with infrastructure-as-code practices. Support large-scale hardware refreshes and migrations from Cisco to Arista, ensuring minimal More ❯

The Senior Network Engineer will interact directly with our high-profile, elite client base, ensuring they receive our first-rate service. This position will be responsible for all network and security designs, implementations, and day-to-day support for various client network infrastructures. The Senior Network Engineer will also be an integral … in handling various networking functions including data center operations, security, and firewall management, leveraging expertise in Cisco and Palo Alto technologies. This role offers visibility across all levels of senior management and presents an exciting opportunity to join a rapidly growing, global IT services provider. The Network Engineer must demonstrate a high level of professionalism and sound … service to RFA clients. Ideal candidates will have experience supporting IT in the financial services industry and have worked for a Managed Services Provider (MSP). Responsibilities Design complex network solutions for new and existing client sites, relocations, upgrades, expansions, and disaster recovery, with a focus on Cisco core network requirements. Assist in designing, building, and configuring global More ❯

Senior Network Engineer - AWS - Low Latency Networking - Digital Assets Excellent opportunity opens for a Senior Network Engineer to lead the design, deployment, and operation of complex network infrastructure across cloud and physical environments . This role demands deep technical expertise in cloud networking, network security, low latency networks, automation, and resiliency. You … will collaborate across Infrastructure, DevOps, CloudOps, Security, and Service Delivery teams to implement and manage robust, secure, and scalable network solutions. The network infrastructure includes AWS and Azure virtual networks , and physical networking (appliances). Key Responsibilities; Lead the review, design, implementation and operation for complex networks both on-premise and in cloud-based environments; Evaluate solutions, create … Collaborate and consult with peers, colleagues, and managers to resolve issues and achieve goals; Be responsible for the roadmap and engineering design standards for parts of the end user network - these technologies include LAN, wide area, SASE, wireless, remote access, VPN, collocated datacenter facilities, ZTNA/segmentation, Azure/AWS cloud network functions, as well as DNS and More ❯

Job Title: Senior Network Engineer Location: Manchester Hybrid (12 days/week on site, parking available) Employment Type: Permanent Salary: Up to £68,000 (DOE) Security Checks: Financial checks may apply The Opportunity: This is a brilliant opportunity to join a well-established organisation during a transformative time in their infrastructure journey, and networking is right at … implementing disaster recovery testing to building toward an Infrastructure-as-Code and SecDevOps future. This is more than a support role, youll help shape how the organisation evolves its network capability over the next 1218 months. As a Senior Engineer experienced in leading complex projects and influence architecture, this is your chance to be part of a … journey. The Role: Youll be a key part of the infrastructure team, working with experienced engineers and contractors to maintain and improve network services across a predominantly cloud-hosted environment. Youll have broad exposure across Cisco, Azure, and security tooling supporting BAU, delivering infrastructure projects, and helping evolve the network towards greater automation and resilience. You will: Own More ❯

Job Title: Senior Network Engineer Location: London (Canary Wharf) – Hybrid (1–2 days/week on site, parking available) Employment Type: Permanent Salary: Up to £75,000 (DOE) Security Checks: Financial checks may apply The Opportunity: This is a brilliant opportunity to join a well-established organisation during a transformative time in their infrastructure journey, and networking … disaster recovery testing to building toward an Infrastructure-as-Code and SecDevOps future. This is more than a support role, you'll help shape how the organisation evolves its network capability over the next 12–18 months. As a Senior Engineer experienced in leading complex projects and influence architecture, this is your chance to be part of … a journey. The Role: You'll be a key part of the infrastructure team, working with experienced engineers and contractors to maintain and improve network services across a predominantly cloud-hosted environment. You'll have broad exposure across Cisco, Azure, and security tooling — supporting BAU, delivering infrastructure projects, and helping evolve the network towards greater automation and resilience. More ❯

Social network you want to login/join with: Enterprise Technology at The Walt Disney Company is responsible for delivering the technology strategy, engineering, architecture, IT operations, and technical support that underpin the success of our global business. The Business Network Design Services (BNDS) team sits within this division and focuses on designing and implementing resilient and scalable … network infrastructure across Disney’s various business units. From supporting broadcast and media production to enabling global content distribution, BNDS engineers play a vital role in ensuring Disney’s network connectivity is robust, secure, and future-ready. The team works closely with architecture, operations, security, wireless, and cloud technology partners to deliver integrated, best-in-class solutions. We … are now seeking an experienced EMEA Senior Network Engineer to join our team — someone who combines strong technical expertise with excellent communication and project management skills to drive the delivery of complex, large-scale network initiatives across the EMEA region. A few reasons why we think you’ll love working here: Impact : Play a key role More ❯

Senior Network Engineer, EMEA Apply Now Apply Later Job ID 10115437 Location London, United Kingdom Business The Walt Disney Company (Corporate) Date posted Apr. 29, 2025 Job Summary: About the Role & Team Enterprise Technology at The Walt Disney Company is responsible for delivering the technology strategy, engineering, architecture, IT operations, and technical support that underpin the success … of our global business. The Business Network Design Services (BNDS) team sits within this division and focuses on designing and implementing resilient and scalable network infrastructure across Disney’s various business units. From supporting broadcast and media production to enabling global content distribution, BNDS engineers play a vital role in ensuring Disney’s network connectivity is robust … future-ready. The team works closely with architecture, operations, security, wireless, and cloud technology partners to deliver integrated, best-in-class solutions. We are now seeking an experienced EMEA Senior Network Engineer to join our team — someone who combines strong technical expertise with excellent communication and project management skills to drive the delivery of complex, large-scale More ❯

Senior Network Engineer – £95,000 + 20% Bonus – Financial Services – London (Hybrid) Overview: A global business operating within the Financial Services sector are searching for an experienced Senior Network Engineer to join one of their growing teams in London on a hybrid basis. Role & Responsibilities: Lead or contribute to the technical delivery of various … network projects that include design, configuration and installation of office moves and expansion, replacement of existing vendors, and managing datacentres networks. Create and maintain project-related documentation, ensuring that accurate information is available to the team members and the other teams. Conduct workshops at regular intervals to share the knowledge with others. Create and maintain site documentations and technical … systems and preventative measures taken to reduce system downtime. Write post incident review documents and suggest/implement recommendation plans to reduce/prevent further incidents. Test business applications, network, and server performance, provide performance statistics and reports, develop strategies for maintaining and improving core infrastructure. Adherence to all IT security policies and assistance in enforcing and monitoring of More ❯

Senior Network Engineer – £95,000 + 20% Bonus – Financial Services – London (Hybrid) Overview: A global business operating within the Financial Services sector are searching for an experienced Senior Network Engineer to join one of their growing teams in London on a hybrid basis. Role & Responsibilities: Lead or contribute to the technical delivery of various … network projects that include design, configuration and installation of office moves and expansion, replacement of existing vendors, and managing datacentres networks. Create and maintain project-related documentation, ensuring that accurate information is available to the team members and the other teams. Conduct workshops at regular intervals to share the knowledge with others. Create and maintain site documentations and technical … systems and preventative measures taken to reduce system downtime. Write post incident review documents and suggest/implement recommendation plans to reduce/prevent further incidents. Test business applications, network, and server performance, provide performance statistics and reports, develop strategies for maintaining and improving core infrastructure. Adherence to all IT security policies and assistance in enforcing and monitoring of More ❯

Join to apply for the Senior Network Engineer role at hackajob 20 hours ago Be among the first 25 applicants Join to apply for the Senior Network Engineer role at hackajob Get AI-powered advice on this job and more exclusive features. hackajob is collaborating with Verisk to connect them with exceptional tech professionals … support to mitigate credit, lending, and cyber risks, and we advise companies on complex global issues such as climate change, catastrophes, and geopolitical matters. We are seeking a talented Senior Network Engineer to join our global IT team. In this role, you will design, implement, and maintain our network infrastructure and security systems. The ideal candidate … will have extensive experience in network administration, architecture, and security protocols, with a proven ability to troubleshoot and optimize network performance in a multi-cloud environment. Additionally, you will collaborate with our workforce services team to support our international office locations, providing onsite engagement and fostering strong partnerships. If you are passionate about network engineering and eager More ❯

Join to apply for the Senior Network Engineer role at Verisk Get AI-powered advice on this job and more exclusive features. Job Description At Verisk, we empower clients to manage risk with critical data and insights in the insurance, and financial services markets. Join us to build a meaningful career, create lasting business impacts, and receive … support to mitigate credit, lending, and cyber risks, and we advise companies on complex global issues such as climate change, catastrophes, and geopolitical matters. We are seeking a talented Senior Network Engineer to join our global IT team. In this role, you will design, implement, and maintain our network infrastructure and security systems. The ideal candidate … will have extensive experience in network administration, architecture, and security protocols, with a proven ability to troubleshoot and optimize network performance in a multi-cloud environment. Additionally, you will collaborate with our workforce services team to support our international office locations, providing onsite engagement and fostering strong partnerships. If you are passionate about network engineering and eager 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 risks More ❯