26 to 39 of 39 Senior Network Engineer Jobs in London

Our SmartHire team is looking for a Senior Network Engineer to join a leading IT services and consulting company, supporting a major data centre implementation project . This position is based in Central London , requiring up to four days a week onsite. It's a fantastic opportunity … continuous learning, delivering projects across sectors like finance, broadcast media, and telecommunications. What You’ll Be Doing: Building and configuring cutting-edge data centre network technologies. Delivering global WAN and cloud connectivity solutions. Working on ultra-low latency network environments, including Layer 1 switching. Setting up and maintaining … precise timing systems (GPS, PTP, NTP, PPS). Installing packet capture tools using optical taps, SPAN, and aggregation platforms. Analysing network traffic with Wireshark to ensure performance and reliability. Managing connections for market data feeds and order entry across exchange colocation sites. Troubleshooting and configuring multicast networking. Using automation 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 More ❯

Position Name : Network Engineer Reports to: Associate Director of Support Location/Type : UK Remote Atlas Technica's mission is to shoulder IT management, user support, and cybersecurity for our clients, who are hedge funds and other investment firms. Founded in 2016, we have grown 100% year over … professional yet friendly environment while promoting professional and career development for our Team Members. Join Atlas Technica now! We are looking for a skilled Network Engineer who will be responsible for designing, implementing, maintaining, and supporting the network infrastructure for our growing client base and our firm. … You will work within our systems engineering team. You should have a good understanding of designing and developing scalable, maintainable, highly available network architectures. We also expect you to be a good team player and be able to meet business objectives and SLAs. Responsibilities Organize network maintenance and More ❯

Cloud and Data Center, Networking, Webex (Collaboration) Job Id: Role Overview: As a Senior Network Software Engineer, you will collaborate with cross-functional teams, business partners, and stakeholders to design, provision, configure, operate, and maintain physical and virtual network hardware and software. Your expertise will be … crucial in anticipating network infrastructure issues and recommending improvements to functional processes or services. You are expected to lead with vision and influence decisions through your knowledge and expertise. Responsibilities: Network Design and Implementation: Design, implement, and operate large and scalable network backbones (ISPs) using IS-IS … BGP, and peering with customers. Network Device Automation: Develop and troubleshoot automation processes across various network devices and platforms, including Cisco routers, switches, and ACI. Automation Tools Development: Create, optimize, and maintain network automation scripts, tools, and workflows, integrating internal systems and third-party solutions. Network More ❯

Senior Cyber Security & Network Project Engineer Location: Brighton/London/South East/Hybrid Package: £70-100K + Pack Type: Full-time | Award-winning MSP We're working with a highly respected, independent tech firm that’s redefining what great looks like in cybersecurity and … network solutions. With a track record of delivering some of the most complex infrastructure projects in the UK and Europe, they’re now looking to grow their senior engineering team with someone who can lead from the front — technically and strategically. This is a fantastic opportunity for an … experienced Cyber Security & Network Engineer who thrives in a hands-on role, enjoys client engagement, and wants to shape the future of secure, intelligent networks. The Role You’ll work closely with the presales, delivery, and solutions teams to design and implement market-leading network and security More ❯

upskill in a financial organization Hybrid working operating model About Our Client The client works in Financial Services. Job Description We are seeking a Senior Network Operations Engineer to join our London-based team. This is a technical, hands-on role focused on network monitoring, firewall … management, and infrastructure maintenance. The ideal candidate will have 8-10 years of experience in network operations and a strong background in routing, switching, and security. You will play a key role in ensuring network stability, performing firmware upgrades, managing day-to-day operations, and maintaining documentation. This … position is not a leadership role but requires a proactive approach to network management and problem-solving. Key Responsibilities Network Monitoring & Maintenance NOC experience is critical for this role. Ensure optimal performance and availability of network infrastructure. Utilize tools such as SolarWinds and Infoblox for monitoring and More ❯

we envision a future where human well-being is safeguarded while closing the gaps in critical global labour needs. We seek a strong Infrastructure & Network Engineer to help design, maintain, and optimise the networking and computing infrastructure supporting our robotics development, testing, and production environments. You will be … robotics teams to ensure fast, reliable, and secure connectivity between cloud services, local servers, robots, and operators. This role involves hands-on support for network configuration, local server environments, storage solutions, and on-premise GPU clusters, focusing on scalability, reliability, and performance. Responsibilities Manage and optimise lab networking, including … Design, deploy, and maintain scalable and secure IT infrastructure on-premises (in labs or data centres) or hybrid/cloud environments. Monitor and troubleshoot network performance, ensuring quality of service (QoS), uptime, and reliable connectivity across all environments. Define and enforce infrastructure security best practices, including access control, firewall More ❯

we envision a future where human well-being is safeguarded while closing the gaps in critical global labour needs. We seek a strong Infrastructure & Network Engineer to help design, maintain, and optimise the networking and computing infrastructure supporting our robotics development, testing, and production environments. You will be … robotics teams to ensure fast, reliable, and secure connectivity between cloud services, local servers, robots, and operators. This role involves hands-on support for network configuration, local server environments, storage solutions, and on-premise GPU clusters, focusing on scalability, reliability, and performance. Responsibilities Manage and optimise lab networking, including … Design, deploy, and maintain scalable and secure IT infrastructure on-premises (in labs or data centres) or hybrid/cloud environments. Monitor and troubleshoot network performance, ensuring quality of service (QoS), uptime, and reliable connectivity across all environments. Define and enforce infrastructure security best practices, including access control, firewall More ❯

Description and requirements As a Network Production Engineer, you will be a critical member of the team responsible for the full lifecycle of our global network infrastructure that supports Bloomberg's core products and services. This includes building and maintaining a network that is scalable, reliable … and robust. Our network is vast, connecting several large-scale Data Centers and over a hundred edge sites. It connects Bloomberg to hundreds of thousands of our clients, over 1,500 global exchanges and trading venues over private connectivity, Internet and Public Cloud. This is a unique opportunity to … help build robust, highly scalable solutions that will power the future of how Bloomberg automates network infrastructure. You'll be trusted to design and work on tooling that builds on automation best practices and principles. We'll trust you to Develop and maintain software tools to manage a large More ❯

We're Hiring: Senior Project Engineer – Security 📍 UK-Based ideally South-East/London | Hybrid Working | Full-Time Are you a technically skilled and customer-focused network security expert? Do you thrive in dynamic project environments and have a passion for delivering secure, scalable infrastructure solutions? If … so, we’d love to hear from you! We’re looking for a Senior Project Engineer – Security to join our growing technical team. This is a fantastic opportunity for a Cisco-savvy professional to take ownership of delivering high-quality security and networking solutions while acting as a … subject matter expert for key product areas. 🔐 About the Role In this role, you’ll be instrumental in designing, implementing, and supporting cutting-edge network and infrastructure solutions for a range of enterprise customers. From scoping and planning projects to mentoring junior staff and acting as a third-line More ❯

We're Hiring: Senior Project Engineer – Security 📍 UK-Based ideally South-East/London | Hybrid Working | Full-Time Are you a technically skilled and customer-focused network security expert? Do you thrive in dynamic project environments and have a passion for delivering secure, scalable infrastructure solutions? If … so, we’d love to hear from you! We’re looking for a Senior Project Engineer – Security to join our growing technical team. This is a fantastic opportunity for a Cisco-savvy professional to take ownership of delivering high-quality security and networking solutions while acting as a … subject matter expert for key product areas. 🔐 About the Role In this role, you’ll be instrumental in designing, implementing, and supporting cutting-edge network and infrastructure solutions for a range of enterprise customers. From scoping and planning projects to mentoring junior staff and acting as a third-line More ❯

you will play a key role in driving the evolution and reliability of our OpenStack-based networking solutions. • Ensure the performance and scalability of network infrastructure for our Clients. • Deliver core projects while collaborating with the technical teams. • Innovate and contribute to the technical roadmap, ensuring alignment with security … optimizations And in 1 year : • Contribute to core product roadmap features for existing components • Maintain high standards of security and compliance across the entire network perimeter. • Collaborate with the OpenStack community. • Advanced networking - knowledge about SDN technologies. and underlying protocols (TCP/IP, VLAN, VXLAN, BGP, etc). • OpenStack More ❯

you will play a key role in driving the evolution and reliability of our OpenStack-based networking solutions. • Ensure the performance and scalability of network infrastructure for our Clients. • Deliver core projects while collaborating with the technical teams. • Innovate and contribute to the technical roadmap, ensuring alignment with security … optimizations And in 1 year: • Contribute to core product roadmap features for existing components • Maintain high standards of security and compliance across the entire network perimeter. • Collaborate with the OpenStack community. • Advanced networking - knowledge about SDN technologies. and underlying protocols (TCP/IP, VLAN, VXLAN, BGP, etc). • OpenStack More ❯

solutions and smart homes by designing our own hardware, enabling it with software, and integrating it with the cloud. We are seeking a Sr. Network Support Engineer (NSE) to join our team of existing NSEs across the country. NSEs investigate customer and fleet-impacting issues, serve as SMEs … for our product, engineering, marketing, and CX teams, and provide escalation support to senior leadership. NSEs are the first line of support when it comes to identifying issues that can impact the customer experience, and this role will ensure we meet our commitments to customers worldwide. Key job responsibilities … As an NSE, you will: Serve as an expert on networking, fleet monitoring, and customer support practices. Handle complex network issues, serving as the escalation point of contact for business leaders, IT staff, and MSPs. Drive strategy, as defined by your leadership, and model technical troubleshooting methods for agents More ❯