Network Support Engineer

Network Support EngineerReference Number: JR254571Location: Hybrid working - remote and office near London BridgeWorking Pattern: Full Time, 37.5 hours per weekContract Type: PermanentNumber of Roles: 1Salary: £55,000 - £65,000 per annumWe are seeking a talented Network Support Engineer to join our dynamic team.In this role, you will be responsible for desig…

Verifone is looking for a Senior Network Engineer to help shape and support network infrastructure for payment systems. This position focuses on designing, implementing, and maintaining secure network solutions that keep payment platforms connected and protected. Key responsibilities Design and build network solutions tailored for payment systems Maintain and improve network connectivity and security across various platforms Work closely with teams from different functional areas to support business needs Collaboration This role involves regular interaction with colleagues from multiple departments, ensuring network solutions align with broader organizational goals. Locations Ashford, England, United Kingdom London, England, United Kingdom Warszawa, Masovian Voivodeship, Poland

Join us at Wehrtyou as a Senior WAN Network Engineer, where you will be pivotal in designing, implementing, and maintaining our wide area network infrastructure. Your expertise will help ensure seamless connectivity and optimal performance for our global operations. This role offers the opportunity to work with cutting-edge technologies and collaborate with a talented team dedicated to innovation.

Why Join Nebius?Nebius is pioneering a transformative approach in cloud computing tailored for the global AI economy. We empower our clients with the essential tools and resources to tackle real-world challenges and revolutionize industries, all while avoiding extensive infrastructure costs and the necessity for large in-house AI/ML teams. Our workforce operates at the forefront of AI cloud infrastructure, collaborating with some of the most innovative leaders and engineers in the sector.Our Work EnvironmentWith our headquarters in Amsterdam and listed on Nasdaq, Nebius boasts a global presence with R&D hubs across Europe, North America, and Israel. Our team of over 1,400 employees includes more than 400 adept engineers with profound expertise in both hardware and software engineering, complemented by an in-house AI R&D team.New Data Center Development:Join us in leveraging cutting-edge technologies in data operations, cloud computing, and infrastructure management. As our global data center operations expand, numerous opportunities for career advancement will arise. Your role in the data center will directly influence performance, customer satisfaction, and operational efficiency, and you will have the chance to contribute to exciting new data center initiatives. Collaborate with experts in AI data center development and operations, gaining valuable insights from field leaders. This dynamic environment fosters innovation and enables you to create solutions that set new industry standards in design and deployment.The RoleAs a Field Network Engineer at Nebius, you will play a crucial role in providing IT support at remote locations and deploying data center IT infrastructure in emerging regions. Your primary focus will be managing projects and IT operations, specifically at our London data center, which hosts a significant GPU cloud installation. This position entails frequent travel to support IT operations at other sites.Our offices are located in London, England, UK.Your Responsibilities Include:Assisting in the setup and deployment of new infrastructure for upcoming launches.Troubleshooting and resolving hardware and network-related issues within our data centers.Managing and coordinating remote IT operations by collaborating with local teams in co-located facilities. You should be ready to travel for on-site installations and technical support.

At Meter, our mission is to revolutionize internet infrastructure by ensuring our network deployments are meticulously designed for optimal performance and scalability. As a Deployment Engineer, you will play a pivotal role in transforming customer requirements into comprehensive wired and wireless network designs utilizing Meter's proprietary tools. You will spearhead technical decisions throughout the design and deployment processes, while also supporting our clients during the network activation and validation stages. Your expertise will significantly enhance the efficiency of our deployments and elevate customer satisfaction, enabling Meter to expand and meet the increasing demand for dependable internet solutions.Your Contributions Will Include:Crafting high-performance and resilient network designs: Develop innovative wireless and wired network architectures using Meter’s specialized toolkit.Guiding essential technical decisions: Lead critical network-related decisions during both design and deployment phases until the network is fully operational and validated.Facilitating network activation: Troubleshoot and support critical devices and network operations during the activation phase to ensure a seamless customer experience.Assisting with On-site Installations: Travel to complex client locations as necessary to support successful installation and validation efforts.Collaborating with cross-disciplinary teams: Partner closely with Deployment Project Managers, Sales Engineers, and Product Engineering to innovate the next generation of Meter’s deployment and networking products.Why Join Meter?In a world where the internet powers our daily lives—from emails and online shopping to video calls—traditional networks have remained unchanged for decades, often being fragile and convoluted. At Meter, we are committed to building superior networks from the ground up. Our team has engineered everything from enterprise-grade hardware to intuitive software and streamlined operations, all aimed at delivering exceptional outcomes for our clients. Today, we deploy these advanced networks at scale, serving reputable organizations such as Bridgewater, Lyft, and Reddit, ensuring their teams remain connected and productive.Our vision at Meter is straightforward: we anticipate that the use of the internet will only increase. We are confident that our cutting-edge networking stack is poised to facilitate this growth, making internet usage as seamless and reliable as utilities.

About the Position Join Jane Street as a Senior Network Engineer, where you will play a pivotal role in enhancing our network infrastructure to accommodate growing business demands. Your expertise will help drive automation and explore innovative AI solutions to optimize our operations. At Jane Street, we operate a multi-vendor, highly available network infrastructure that supports diverse traffic profiles, from high-speed trading to standard internet connectivity. A typical day on the Network Engineering team includes: Collaborating on new data centre and colocation initiatives, optimizing WAN routing, and engaging in cross-team design projects. Interfacing with stakeholders to identify business needs and develop cutting-edge network features and capabilities. Leading reactive support tasks while also initiating proactive infrastructure enhancements, ensuring detailed documentation to minimize outages and improve troubleshooting efficiency. Exploring AI and machine learning enhancements to streamline operations and continuously elevate service quality. Utilizing your networking expertise to scale our infrastructure while maintaining exceptional standards for performance and reliability. Documenting solutions and processes meticulously to enhance team efficiency. If you are passionate about innovation in a complex network ecosystem, excel at building scalable systems and documentation structures, and are curious about the applications of AI in network operations, this role offers a significant opportunity to impact Jane Street. We are excited to learn from your expertise and unique insights.

At Ripple, we are transforming the way value is transferred across the globe, making it as seamless as the flow of information. Our innovative cryptocurrency solutions are designed for financial institutions, businesses, governments, and developers, enhancing the global financial landscape and fostering economic equality. Join us in creating impactful solutions while developing your skills in a supportive environment.If you are eager to make a significant impact and explore remarkable career advancement opportunities, we invite you to join us and contribute to building tangible value in the real world.As a Staff Network Engineer, you will take on the role of a technical architect and senior project leader responsible for Ripple's expansive corporate network infrastructure. You will ensure network consistency across all global offices, oversee important site upgrades, and maintain an impressive 99.9% network uptime. We seek a high-impact individual contributor to establish Ripple’s architectural standards for global connectivity, combining strategic planning with hands-on senior engineering to support our worldwide workforce.

About the Role We are seeking a skilled Network Engineer to strengthen our Network Security team. In this pivotal role, you will be instrumental in managing, scaling, and enhancing our network security infrastructure through hands-on operations, design, and implementation. The ideal candidate will possess robust networking expertise and experience with security appliances, such as firewalls and proxies. At Jane Street, our extensive distributed systems rely on an agile, dependable, multi-vendor network infrastructure that accommodates diverse traffic profiles ranging from trading to internet connectivity. Supporting such a comprehensive multi-functional network necessitates advanced monitoring and automation tools. Exceptional communication and interpersonal skills are essential as you will collaborate with colleagues worldwide. Your responsibilities will include identifying and resolving issues, planning and executing deployments, and optimizing systems. We are eager to utilize your advanced networking skills and security knowledge to: Collaborate closely with Network Engineering to design and deploy security perimeters and adjacent network infrastructure. Effectively manage and continually evolve network segmentation, DMZ, and other security aspects. Assess and conduct lab tests on new platforms for our network security infrastructure. Partner with Cybersecurity to detect and mitigate network threats and vulnerabilities. Engage with application owners and traders to enable secure business workflows. Proactively enhance support by improving network infrastructure observability, scripting, and communicating requirements to our software engineers. Refine our network security processes and documentation. A holistic approach to system design is vital for this position. The Networking department emphasizes flexibility, compatibility, and efficiency in crafting solutions while actively seeking ongoing input from users across the firm. Our organizational culture values intellectual humility, openness, and continuous improvement, which is reflected in our team's daily endeavors. We are all partners working towards common goals and are consistently on the lookout for innovative ideas to enhance our work. Your strong communication abilities and analytical skills will be crucial as we support our colleagues' daily activities and ensure our systems function at the highest standard.

Location: Hammersmith, London Department: ITAssala Energy is a forward-thinking Oil and Gas Exploration and Production company dedicated to the sustainable development of its valuable assets in Gabon. We embrace a collaborative culture, champion diversity, and prioritize safety and integrity in every aspect of our operations.We are seeking a Senior Network Engineer to become a vital member of our IT team, responsible for maintaining and enhancing our global network infrastructure. In this role, you will ensure network stability, security, and efficiency across our operations while spearheading improvements and innovative solutions.

Join our dynamic team at Jump Trading as an Enterprise Network Engineer. In this pivotal role, you will leverage your expertise to design, implement, and maintain robust network infrastructures that support our high-performance trading operations. You will work collaboratively with cross-functional teams to ensure seamless connectivity and security across global operations.Your responsibilities will include troubleshooting network issues, optimizing performance, and staying ahead of emerging technologies to enhance our network capabilities.

CoreWeave is The Essential Cloud for AI™. Engineered by innovators for innovators, our platform equips leading AI labs, startups, and enterprises with the cutting-edge technology and expert teams needed to scale AI solutions confidently. Since our inception in 2017 and our public listing on Nasdaq (CRWV) in March 2025, we've been at the forefront of AI infrastructure, facilitating breakthroughs by transforming compute into capability. Discover more at www.coreweave.com. We proudly uphold our status as a Living Wage accredited Employer. Your RoleWe are looking for a skilled and experienced Senior Engineer for Network Observability to enhance our Network Observability team. In this pivotal role, you will shape the design, development, and maintenance of monitoring, telemetry, and observability systems that ensure the reliable operation and scalability of CoreWeave’s GPU cloud network. Your focus will be on crafting solutions that deliver real-time insights into network performance, enabling proactive issue detection and swift resolution.Your mission is to enrich CoreWeave’s network with advanced observability features: comprehensive metrics, insightful analytics, and automated alerting—ensuring that any anomalies are identified before they impact our customers.Design, optimize, and maintain network observability platforms. Leverage your expertise in Python and Golang to create and automate collectors, exporters, and dashboards that provide in-depth visibility into network health and performance.Partner with Network Engineering and Platform teams to aggregate and unify logs, metrics, and events from diverse platforms (Arista EOS, NVIDIA Cumulus Linux, Nokia SR OS, SR Linux, etc.) into a cohesive observability pipeline.Architect and implement scalable telemetry solutions utilizing protocols such as gNMI, SNMP, and streaming analytics. Ensure sophisticated alerting and anomaly detection frameworks with tools like Prometheus, Grafana, and Alertmanager.Collaborate closely with network developers, site reliability engineers, and security teams to integrate observability solutions throughout the wider infrastructure. Engage in design discussions, RFCs, and architectural decisions.

Join the Arondite TeamAt Arondite, we are at the forefront of defense technology, developing innovative software and AI solutions that will shape the autonomous era. Our mission is to enhance collaboration among organizations, sensors, robots, and autonomous systems, leveraging the vast data they generate. We are fueled by a commitment to safeguard democratic values and firmly believe that a select group of talented engineers can drive significant change. With robust funding and long-term ambitions, we are building a brighter future.Be Part of a Transformative Journey - As we navigate a critical phase in our growth, we invite exceptional engineers who thrive on impactful, challenging work to join us. You will work alongside other brilliant minds to tackle some of the world's most pressing issues.Empowerment from Day One - At Arondite, there is no traditional corporate hierarchy. From your first day, you will actively participate in implementing and deploying our products with clients, enjoying high levels of autonomy and the opportunity to shape your career path.If our mission resonates with you and you want to join a dynamic team of outstanding professionals, we look forward to your application.Role OverviewWe are searching for a skilled Deployed Network Engineer with expertise in RF communications to facilitate the deployment and integration of our software solutions within complex UK government and defense environments. This role requires installing, configuring, and troubleshooting systems in secure, classified settings while ensuring compliance with stringent government cybersecurity standards.Key ResponsibilitiesPlan the deployment of Arondite’s software into secure government and defense networks.Oversee accreditation and assurance of deployments according to customer regulations.Integrate software with existing IP and RF infrastructures, both fixed and tactical.Configure routing, VLANs, VPNs, QoS, and network segmentation for secure multi-domain environments.Set up and test radios, including UHF/VHF, microwave, LTE/5G, satellite, and MANET technologies.Support customer demonstrations, field tests, acceptance trials, and deployments.Document installations to meet assurance requirements.Provide feedback to the product development team to enhance future deployments.

About Us:Established in 2022, Cyber Energia is dedicated to protecting critical renewable energy infrastructures from the ever-changing landscape of cyber threats. Our expertise lies in Operational Technology (OT) cybersecurity, providing cutting-edge solutions that guarantee operational resilience, regulatory compliance, and business continuity amidst the rapid digital transformation of the energy sector.At Cyber Energia, we aim to empower operators to effectively manage cyber risks while ensuring adherence to regulatory standards.Job Overview:We are on the lookout for an experienced Senior Network Cyber Security Engineer to join our Network Security Engineering team, with a focus on firewalls and routing technologies. In this hands-on position, you will spearhead the design, implementation, and enhancement of Check Point security platforms, safeguarding mission-critical renewable energy infrastructure both across Europe and globally.The ideal candidate will be a proactive, self-driven professional with a proven track record in enterprise firewall architecture, adept at multitasking, and thriving in a fast-paced, challenging environment.

HSI provides cloud-based solutions for environmental, health, and safety (EHS) compliance, along with workforce development tools. Companies rely on HSI’s training and HR compliance products to improve workplace safety and efficiency. Role overview The Junior Network Administrator will be the first IT hire in Europe for HSI, based in London. This hands-on position supports employees in the UK and Ireland and works closely with the established IT team in the US. Daily interaction with colleagues is central to the role, offering visibility and the chance to build strong working relationships across regions. This position is designed for someone early in their IT career who brings technical ability and a service-oriented approach, and is eager to develop within a collaborative, international company. What you will do Serve as the primary IT support contact for staff in the UK and Ireland, providing prompt and effective assistance. Deliver Tier 1 support for hardware, software, and network issues using Jira Service Management. Troubleshoot and resolve issues on desktops, laptops, and mobile devices. Set up and onboard new employees, including imaging, configuring, and deploying devices. Administer user accounts and access in Active Directory and Microsoft 365, handling provisioning, password resets, and mailbox setup. Monitor system performance and escalate ongoing problems to senior IT staff when necessary. Keep IT documentation current, including knowledge base articles and asset records. Support compliance with internal IT security policies and standards. Coordinate with the US IT team to ensure consistent support across all locations. Working conditions Hybrid work model: spend 2–3 days per week onsite at the London office. Standard UK hours: 8:00 AM to 5:00 PM. Collaborate with colleagues in the UK, Ireland, and US East Coast, gaining experience in a global IT setting. Requirements Minimum 1 year of experience in IT support, service desk, or helpdesk roles in an employee-facing environment. Strong foundational IT knowledge, including operating systems, basic networking, and support for end users. Customer service focus, with clear communication and effective problem-solving skills. Hands-on experience with: Windows 10/11 and Microsoft Office 365 Active Directory and Microsoft 365 administration Ticketing systems, preferably Jira or Jira Service Management Basic understanding of networking concepts such as IP addressing, DNS, and DHCP.

Role Overview Cato Networks is hiring a Full Stack Engineer in London to support the development of cloud-based security products. This role focuses on building and improving scalable applications that serve clients worldwide. What You Will Do Work with teams across disciplines to define, design, and deliver new product features Develop and enhance applications for performance, scalability, and reliability Troubleshoot and debug issues in both front-end and back-end components Ensure applications respond quickly and handle client requests efficiently Location This position is based in London, England, United Kingdom.

Join the forefront of cloud networking and security!Cato Networks pioneers the convergence of enterprise networking and security into a unified global service delivered via the cloud. Founded by industry veterans including Shlomo Kramer (Check Point, Imperva), we have inspired a new product category known as ‘SASE’ (Secure Access Service Edge), projected to reach a market value of $28.5 billion by 2028.This is your chance to be a part of an innovative company that is rapidly becoming a leader in the enterprise network and secure cloud platform domain – seize the opportunity!As the leading SASE platform, Cato Networks is redefining how enterprises secure and connect their branches, users, and clouds. Our Product Managers are strategic innovators who drive market leadership, solve intricate problems, and enhance our Networking portfolio, which includes Cloud Connectivity, Private Access, SSE, and SD-WAN.We are seeking a Network Product Manager to define product strategy, collaborate with teams across the organization, and deliver impactful features that propel our business forward.Key ResponsibilitiesLead product initiatives that shape the future of enterprise networking.Collaborate closely with customers, partners, Sales, and R&D to define and deliver new capabilities.Translate strategic goals into clear product requirements and guide execution with engineering teams.Act as a trusted resource for the field, supporting strategic deals and providing architectural guidance.Conduct market and competitive research to identify opportunities and influence roadmap decisions.

About Chalk Chalk is revolutionizing the data platform for the next generation of machine learning applications. We eliminate the complexity, latency, and scalability hurdles that have historically limited ML capabilities. Our platform delivers Rust-speed performance combined with intuitive tools that developers appreciate. Major companies rely on Chalk for various applications, including preventing fraudulent credit card transactions, identity verification, and optimizing clean energy utilization. Recently, we secured a $50 million Series A funding round led by Felicis. About the Role As a Technical Support Engineer at Chalk, you will be the first point of contact for technical assistance, ensuring that our clients enjoy outstanding experiences with our products. You will engage directly with clients in various sectors, including finance, healthcare, and e-commerce, aiding them in troubleshooting and maximizing the efficiency of Chalk's platform. This position provides a unique chance to gain in-depth knowledge of our technology, collaborate closely with our Engineering and Forward Deployed Engineering teams, and make a significant contribution to customer satisfaction and product excellence. What You Will Do Deliver front-line technical support to Chalk customers, swiftly diagnosing and resolving technical issues. Work alongside the Engineering team to escalate and effectively address complex issues. Acquire comprehensive product knowledge to assist customers in deriving maximum value from Chalk. Document solutions, generate knowledge-base articles, and share insights to prevent recurring issues. Spot areas for enhancing product reliability, usability, and overall customer satisfaction. What We're Looking For A technical background with experience in technical support or software engineering. Proficiency in Python and SQL. Strong troubleshooting, problem-solving, and analytical skills. Exceptional written and verbal communication abilities. Capability to collaborate effectively with both technical and non-technical teams. Prior experience in customer-facing technical roles is highly desirable. Bachelor's degree in Computer Science or a related field.

Join Interactive Brokers as a Windows Platform Engineer - Support, where you will be the first line of defense against IT-related issues on the Microsoft Windows platform. Your role will involve providing technical assistance to business and development end-users through various channels, including phone, email, and a centralized ticketing system. This position demands a strong technical foundation in Windows and networking technologies, coupled with excellent communication skills. You will need to demonstrate patience with less tech-savvy users and thrive in a fast-paced environment where urgency and dependability are key. You will also enjoy a hybrid working model in an iconic London location with daily lunch offerings from a selection of vendors.

Network Engineer – Trading & Electronic Trading InfrastructureJoin MARGO in London – Permanent & Contracting OpportunitiesMARGO is a technology-driven consultancy providing exceptional IT expertise tailored for the complexities of financial markets.We specialize in mission-critical trading and electronic trading infrastructures, emphasizing performance, latency, resilience, and automation as key elements of success. Our consultants collaborate closely with trading, application, and infrastructure teams to design, transform, and operate high-performance platforms.By joining MARGO, you will engage in technically challenging transformation projects while benefiting from a supportive environment, personalized career development, and close guidance.Business ContextYou will be part of a trading and electronic trading infrastructure team undergoing a significant network transformation.Following years of organic growth, we are re-evaluating our network architecture with new investments focused on:Latency-sensitive electronic trading systemsScalability and resilienceAutomation and infrastructure-as-code principlesThis role is positioned at the intersection of network engineering, production operations, and application proximity, requiring direct interaction with trading and development teams.Role OverviewWe are seeking a Network Engineer to play a key role in the redesign, automation, and management of trading and corporate network infrastructures.The position combines architectural design, hands-on engineering, and production ownership, ideal for engineers eager to work closely with trading environments and lead significant technical transformation initiatives.Key ResponsibilitiesArchitecting, transforming, and managing network infrastructures while ensuring their operational excellence.

About the Role Wabtec Corporation is hiring a Product Support Engineer in London. This position connects customers with technical solutions, supporting the performance and reliability of Wabtec products. What You Will Do Diagnose product performance issues and identify root causes Develop and implement solutions to technical problems Work with cross-functional teams to improve product features and reliability Support customers to ensure a high level of service and satisfaction Who Succeeds in This Role This role suits someone who enjoys solving technical challenges and values strong customer relationships. Curiosity about technology and a focus on practical results are important here.