1 to 25 of 84 Senior Network Engineer Jobs in the UK

Senior Network Engineer - Cisco, CCNA, CCNP, CCIE x multiple opportunities Location: London – Hybrid (2 days in-office) Salary: £60,000 - £70,000 DOE + Bonus, Healthcare, Pension, Training Must be UK based and eligible to live and work in the UK. About the Company Join a fast … training and certifications from leading vendors, including hands-on experience with Cisco ISE, DNA Centre, SD-Access, and other advanced networking technologies. The Role: Senior Network Engineer As a network engineer, you’ll play a crucial role in managing and maintaining enterprise-level network environments. Your primary focus will be network monitoring, network management, escalated troubleshooting, and incident resolution, ensuring optimal performance and minimal downtime for clients. You’ll have full ownership of the network infrastructure, providing high-level support and proactive problem-solving while collaborating on key projects. Key More ❯

Senior Network Engineer - Senior Network Engineer - Palo Alto, Azure, AWS, Gaming We are seeking a highly experienced and enthusiastic Network Lead/Senior Network Engineer to join our team at a leading Gaming & Sports industry client. Our ideal candidate is … in Palo Alto Next Generation GlobalProtect Firewalls, F5 and Meraki devices, and VPNs. Knowledge of WAN optimisation through Riverbed, SDN (Software Defined Networking), and network automation is highly advantageous. In this role, you will be responsible for leading the design and engineering of our network, managing WAN, routers More ❯

per annum (Discretionary range to £65,675) Post Type:Full time/Permanent Closing Date:28/05/2025 Ref No 11544 Documents Senior Network Engineer JD - Diamond-II V1.0.docx (Word , 51.41kb) Senior Network Engineer PS - Diamond-II V1.0.docx (Word , 40.62kb) About Us … treatments for disease to innovative engineering and cutting-edge technology. World class science requires world class computing infrastructure. Our Scientific Computing team provides computing network and storage systems that keep Diamond and its scientists at the forefront of scientific research About the Role We now have an excellent opportunity … for a Senior Network Engineer within Diamond's Scientific Computing team to support and develop the scientific and controls networks used for cutting edge science. High bandwidth ethernet forms the basis of all the critical networks within Diamond alongside more specialist low latency fabrics. These enable rapid More ❯

Permanent Senior Network Software Engineer C Linux x2. Remote or Hybrid Edinburgh Stuck ? Frustrated ? Know you're better than this ? Career goals not being met ? As a Senior Software Engineer in this Networking Technology company you'll have the opportunity to work on innovative, challenging … projects where you'll learn something new in emerging Network technologies. You'll enjoy career growth opportunities, being a global business, taking on more complex and system wide responsibilities exerting more influence on the Product, with impactful work, either progressing up the individual Contributor Technical ladder or moving to … wellbeing and belonging. They're a Technology company that leads with humanity - driving business priorities alongside meaningful social, community, and societal impact. As a Senior Software Engineer in this Telco/Networking organisation you will work on Products developing a Network that grows smarter, more agile, and More ❯

Permanent Senior Network Software Engineer C Linux x2. Remote or Hybrid Edinburgh Stuck ? Frustrated ? Know you're better than this ? Career goals not being met ? As a Senior Software Engineer in this Networking Technology company you'll have the opportunity to work on innovative, challenging … projects where you'll learn something new in emerging Network technologies. You'll enjoy career growth opportunities, being a global business, taking on more complex and system wide responsibilities exerting more influence on the Product, with impactful work, either progressing up the individual Contributor Technical ladder or moving to … wellbeing and belonging. They're a Technology company that leads with humanity - driving business priorities alongside meaningful social, community, and societal impact. As a Senior Software Engineer in this Telco/Networking organisation you will work on Products developing a Network that grows smarter, more agile, and More ❯

Permanent Senior Network Software Engineer C Linux x2. Remote or Hybrid Edinburgh Stuck ? Frustrated ? Know you're better than this ? Career goals not being met ? As a Senior Software Engineer in this Networking Technology company you'll have the opportunity to work on innovative, challenging … projects where you'll learn something new in emerging Network technologies. You'll enjoy career growth opportunities, being a global business, taking on more complex and system wide responsibilities exerting more influence on the Product, with impactful work, either progressing up the individual Contributor Technical ladder or moving to … wellbeing and belonging. They're a Technology company that leads with humanity - driving business priorities alongside meaningful social, community, and societal impact. As a Senior Software Engineer in this Telco/Networking organisation you will work on Products developing a Network that grows smarter, more agile, and More ❯

Permanent Senior Network Software Engineer C Linux x2. Remote or Hybrid Edinburgh Stuck ? Frustrated ? Know you're better than this ? Career goals not being met ? As a Senior Software Engineer in this Networking Technology company you'll have the opportunity to work on innovative, challenging … projects where you'll learn something new in emerging Network technologies. You'll enjoy career growth opportunities, being a global business, taking on more complex and system wide responsibilities exerting more influence on the Product, with impactful work, either progressing up the individual Contributor Technical ladder or moving to … wellbeing and belonging. They're a Technology company that leads with humanity - driving business priorities alongside meaningful social, community, and societal impact. As a Senior Software Engineer in this Telco/Networking organisation you will work on Products developing a Network that grows smarter, more agile, and More ❯

Permanent Senior Network Software Engineer C Linux x2. Remote or Hybrid Edinburgh Stuck ? Frustrated ? Know you're better than this ? Career goals not being met ? As a Senior Software Engineer in this Networking Technology company you'll have the opportunity to work on innovative, challenging … projects where you'll learn something new in emerging Network technologies. You'll enjoy career growth opportunities, being a global business, taking on more complex and system wide responsibilities exerting more influence on the Product, with impactful work, either progressing up the individual Contributor Technical ladder or moving to … wellbeing and belonging. They're a Technology company that leads with humanity - driving business priorities alongside meaningful social, community, and societal impact. As a Senior Software Engineer in this Telco/Networking organisation you will work on Products developing a Network that grows smarter, more agile, and More ❯

Senior Network Engineer (DV Security Clearance) Job Description The Space, Defence and Intelligence business unit in CGI is a true IT Systems Integrator. We work, build, and operate bespoke, technically complex, mission-critical systems which help our clients keep us all safe and secure. We bring innovation … clearance. This position will be based on site near Chippenham. Your future duties and responsibilities We are looking for a highly skilled and experienced Senior Network Engineer to join our team. This role is primarily support-focused, with opportunities to contribute to network integration and design … the stability, security, and scalability of our infrastructure. This position includes participation in an on-call rota to support business-critical systems. Key Responsibilities: Network Operations & Support: Provide advanced troubleshooting for Dell OS10, Sonic switches, Cisco firewalls, switches, routers, Palo Alto firewalls, and NSX-T. Manage and maintain spine More ❯

Senior Network Engineer (DV Security Clearance) Position Description The Space, Defence and Intelligence business unit in CGI is a true IT Systems Integrator. We work, build, and operate bespoke, technically complex, mission-critical systems which help our clients keep us all safe and secure. We bring innovation … clearance. This position will be based on site near Chippenham. Your future duties and responsibilities We are looking for a highly skilled and experienced Senior Network Engineer to join our team. This role is primarily support-focused, with opportunities to contribute to network integration and design … the stability, security, and scalability of our infrastructure. This position includes participation in an on-call rota to support business-critical systems. Key Responsibilities: Network Operations & Support: -Provide advanced troubleshooting for Dell OS10, Sonic switches, Cisco firewalls, switches, routers, Palo Alto firewalls, and NSX-T. -Manage and maintain spine More ❯

We are currently looking for a Senior Network Engineer to join our team and help us test and deliver quality software solutions that are fit for use and purpose. This role is hybrid but could be based in the UK (Manchester or Whitley), Spain (Madrid), Denmark (Skanderborg … on changing the way in which we host and deliver our market leading solutions. What will you be doing in this role? As a Senior Network Engineer you will deliver network and security enhancements and 3rd line support of Tunstall's IT network infrastructure and … systems, working with Tunstall's internal IT teams and external service providers. Main responsibilities of the role: Design, implement, and optimize scalable and resilient network architectures, including LAN, WAN, WLAN, and SD-WAN systems, ensuring alignment with business objectives and future growth. Evaluate emerging networking technologies and recommend upgrades More ❯

Senior Network Engineer -Remote first - Occasional travel to Glasgow - 12 month contract via Umbrella -ASAP Start Experienced Senior Network Engineer required for our Glasgow-based financial services client, to join the existing team as they continue their transformational journey. The team supports a comprehensive … programme, aimed at consolidating the network and voice platforms. The business operates a hybrid operating model to deliver network and voice services to colleagues and customers alike, via their technical in-house teams and outsourced/managed services. The role will involve working with the Network Infrastructure … of routing, switching and security devices within the enterprise campus and Data Centre environments. There will be further responsibility for Lifecycle management for all network devices including upgrades, capacity management and succession planning. Candidates will be expected to provide technical support for complex problems and sharing of specialist experience More ❯

Senior Network Engineer – London (Hybrid) - £75,000 - £100,000 + Bonus + Benefits We’re looking for a skilled Senior Network Engineer to join our clients dynamic team. In this role, you’ll design, implement, and maintain critical networking infrastructure while driving automation and … efficiency. Key Responsibilities: Oversee the design, implementation, and maintenance of Cisco ACI infrastructure. Develop automation solutions for network tasks using Python, Ansible, and Terraform. Engineer and support enterprise-grade network systems, including Cisco routers, Nexus data centre switches, and wireless LAN controllers. Configure and manage Palo Alto … firewalls, ensuring adherence to robust security standards. Deploy and administer network access control solutions with Cisco ISE (802.1x and TACACS). Optimise uptime and performance using F5 Big-IP load balancers. Design and manage advanced routing solutions with protocols such as BGP and OSPF, as well as SD-WAN More ❯

Overview NaphCare is hiring an experienced Senior Palo Alto Network Engineer just like you to join our team on-site at the Corporate Headquarters located in Birmingham, AL 35216. The Senior Network Engineer is a senior level position expected to provide top tier … support related to the design, installation, management, and maintenance of our nationwide network of sites and users. Palo Alto Certified Network Security Engineer is PREFERRED. This is an on-site position in Birmingham, AL 35216. NaphCare is a family-owned medical technology company that has been delivering … Management, Configuration, Optimization and Troubleshooting of Palo Alto Firewalls Provide top tier support related to the design, installation, management, and maintenance of our nationwide network of sites and users Experience with large enterprise level networks. Implementation, Management and troubleshooting of Cisco and Aruba networks Keeping network documentation updated More ❯

Senior Network Engineer Location: London Salary: £200,000-£250,000 Role Overview: Seeking a Senior Network Engineer to lead the design, implementation, and management of high-performance network solutions, with a focus on research infrastructure combining AWS cloud services and advanced data center … platforms. Key Responsibilities: Network Architecture : Design and deploy scalable network solutions, including core switching, firewalls, load balancers, and automation frameworks. Full Lifecycle Management : Oversee network lifecycle from design through deployment, operation, and retirement. Automation & IaC : Utilize Infrastructure as Code (IaC) and automation to streamline network delivery. … computing environments. Vendor Expertise : Leverage expertise in Cisco, Arista, Juniper, and NVIDIA products to drive architecture decisions. Qualifications: Proven experience in complex, high-performance network architecture. Strong focus on software-driven, agile methodologies. Expert knowledge of vendor ecosystems and emerging networking technologies. More ❯

Senior Network Engineer Location: London Salary: £200,000-£250,000 Role Overview: Seeking a Senior Network Engineer to lead the design, implementation, and management of high-performance network solutions, with a focus on research infrastructure combining AWS cloud services and advanced data center … platforms. Key Responsibilities: Network Architecture : Design and deploy scalable network solutions, including core switching, firewalls, load balancers, and automation frameworks. Full Lifecycle Management : Oversee network lifecycle from design through deployment, operation, and retirement. Automation & IaC : Utilize Infrastructure as Code (IaC) and automation to streamline network delivery. … computing environments. Vendor Expertise : Leverage expertise in Cisco, Arista, Juniper, and NVIDIA products to drive architecture decisions. Qualifications: Proven experience in complex, high-performance network architecture. Strong focus on software-driven, agile methodologies. Expert knowledge of vendor ecosystems and emerging networking technologies. More ❯

Permanent Senior Network Software Engineer C Linux x2. Remote or Hybrid Edinburgh Stuck? Frustrated? Know you're better than this? Career goals not being met? As a Senior Software Engineer in this Networking Technology company, you'll have the opportunity to work on innovative, challenging … projects where you'll learn something new in emerging Network technologies. You'll enjoy career growth opportunities, being a global business, taking on more complex and system-wide responsibilities, exerting more influence on the Product, with impactful work-either progressing up the individual Contributor Technical ladder or moving to … wellbeing, and belonging. They're a Technology company that leads with humanity-driving business priorities alongside meaningful social, community, and societal impact. As a Senior Software Engineer in this Telco/Networking organization, you will work on Products developing a Network that grows smarter, more agile, and More ❯

Senior Network Engineer - International ISP Networks Do you want to work for an Alt-Net, who are about to put their network into 25,000 new homes? This ISP, who are currently implementing new network links globally, are on the hunt for a new Senior Network Engineer with a background in implementing IP Networks. This is a fantastic opportunity for someone who wants to grow with a business and make a real impact! Your word has a lot of weight in this role. If there is a way you can do something … better, the CEO will fully support you! Responsibilities: Design, implement, and maintain international ISP networks using Juniper and Adtran equipment. Develop and document network architecture and designs. Collaborate with vendors and partners. Stay current with the latest networking technologies and trends. Contribute to the development and improvement of network More ❯

Role: Senior Network Engineer Salary: £36,000 Location: Kings Hill/Hybrid Why Join Cantium? Cantium Business Solutions is a dynamic and innovative company, committed to providing high-quality back-office services to our customers. With a strong focus on customer-centric solutions, we are continually growing … empowered to make a difference. As part of the Connectivity Services team, you'll play a key role in shaping the future of our network and security infrastructure services. What You’ll Bring: Extensive experience in managing and configuring network and security infrastructure, including Cisco switches and routers … and AP’s). Expertise in cloud networks, particularly Azure, with hands-on experience supporting and configuring cloud-based infrastructure. Strong skills in using network management tools (e.g., SolarWinds) for performance monitoring, troubleshooting, and reporting. Proven experience in mentoring and coaching junior engineers, with a focus on team development More ❯

Job Title: Senior Network Engineer (Contract) Location: Remote Rate: £600 - £650 per day DOE (Inside IR35) Overview: The Senior Network Engineer is responsible for managing the full lifecycle of active network components, ensuring that network solutions are delivered at pace, standardized, scalable … supportable, and secure. This role requires expertise in various network engineering domains including experience in a Full Fibre environment . Key Accountabilities: Analyze internal and external business requirements and recommend network solutions or best practices to meet those needs. Solve complex network problems by taking a broad … strategic perspective to identify effective solutions. Leverage functional knowledge and industry methodologies to resolve challenging network issues. Act as an expert within the network engineering function, providing specialized subject matter expertise. Lead cross-functional teams or projects, serving as a best practice and quality resource to ensure the More ❯

Job Title: Senior Network Engineer (Contract) Location: Milton Keynes (Hybrid 1 day a week) Rate: 650 - 750 per day DOE (Inside IR35) Overview: The Senior Network Engineer is responsible for managing the full lifecycle of active network components, ensuring that network solutions … are delivered at pace, standardized, scalable, supportable, and secure. This role requires expertise in various network engineering domains, as well as leadership in guiding teams and projects toward the successful deployment of cutting-edge solutions. Key Accountabilities: Analyze internal and external business requirements and recommend network solutions or … best practices to meet those needs. Solve complex network problems by taking a broad, strategic perspective to identify effective solutions. Leverage functional knowledge and industry methodologies to resolve challenging network issues. Act as an expert within the network engineering function, providing specialized subject matter expertise. Lead cross More ❯

Job Title: Senior Network Engineer (Contract) Location: Milton Keynes (Hybrid 1 day a week) Rate: £650 - £750 per day DOE (Inside IR35) Overview: The Senior Network Engineer is responsible for managing the full lifecycle of active network components, ensuring that network solutions … are delivered at pace, standardized, scalable, supportable, and secure. This role requires expertise in various network engineering domains, as well as leadership in guiding teams and projects toward the successful deployment of cutting-edge solutions. Key Accountabilities: Analyze internal and external business requirements and recommend network solutions or … best practices to meet those needs. Solve complex network problems by taking a broad, strategic perspective to identify effective solutions. Leverage functional knowledge and industry methodologies to resolve challenging network issues. Act as an expert within the network engineering function, providing specialized subject matter expertise. Lead cross More ❯

Position: Senior Network Engineer Location: South Oxfordshire On site: 5 days Salary: £50k - £60k Company benefits: * Flexible working * family friendly policies * Health and wellbeing * Saving's schemes * Learning & development * And more * Working with the Senior Network Administrator and IT Security Officer within our clients Scientific … Computing group, the post will be responsible for co-development of the design, development, commissioning and operational support of their science facing network infrastructure both for current facility operations and to play a key role in the delivery of network upgrade and transformation projects. As such, the job … enable effective, dependable, and resilient operation of the clients accelerators, science beamlines, and data centre operations. * Co-design and development of Diamond's Science Network infrastructure to support high performance detectors, storage systems, and cluster services. * Provide network operations support and a source of technical expertise within the More ❯

High Level Clearance Cisco SME/Senior Network Engineer x 2 High Level Clearance Cisco SME/Senior Network Engineer x 2 Location: Bracknell or Birmingham Duration: 6 months (long term extensions expected) IR35: Inside Rate: £500-550/day (negotiable) Overview: We're … looking for a Cisco Subject Matter Expert to support the design, deployment, and management of complex network infrastructure. You'll bring deep technical knowledge of Cisco technologies, acting as a go-to expert across multiple projects and teams. Key Responsibilities: Lead the design and implementation of Cisco-based network solutions (LAN/WAN/Wi-Fi) Troubleshoot and resolve high-level network issues Provide expert input on infrastructure projects and proposals Collaborate with security, infrastructure, and cloud teams to ensure robust and secure network designs Maintain detailed technical documentation Offer mentoring and knowledge transfer to internal More ❯

High Level Clearance Cisco SME/Senior Network Engineer x 2 High Level Clearance Cisco SME/Senior Network Engineer x 2 Location: Bracknell or Birmingham Duration: 6 months (long term extensions expected) IR35: Inside Rate: £500-550/day (negotiable) Overview: We're … looking for a Cisco Subject Matter Expert to support the design, deployment, and management of complex network infrastructure. You'll bring deep technical knowledge of Cisco technologies, acting as a go-to expert across multiple projects and teams. Key Responsibilities: Lead the design and implementation of Cisco-based network solutions (LAN/WAN/Wi-Fi) Troubleshoot and resolve high-level network issues Provide expert input on infrastructure projects and proposals Collaborate with security, infrastructure, and cloud teams to ensure robust and secure network designs Maintain detailed technical documentation Offer mentoring and knowledge transfer to internal More ❯