Permanent Senior Network Engineer Jobs in London

1 to 25 of 35 Permanent Senior Network Engineer Jobs in London

Senior Network Engineer

City Of London, England, United Kingdom
Quant Capital
Senior Network Engineer – Low latency trading £140,000-200,000 + bonus Quant Capital is urgently looking for talented Network Engineers to join a top-tier HFT in their London office. As a Network Engineer, you will play a crucial role in building, automating … and ensuring the reliability of cutting-edge low latency infrastructure. This opportunity will allow you to work with the fastest trading network in the world, experiment with the latest technologies, and make your mark as a pioneer in the networking industry. The firm is known globally for its attitudes … a primary emphasis on low latency and proprietary hardware platforms. Proactively identifying opportunities for improvements in existing configurations, technologies, and procedures to enhance overall network performance. Providing hands-on operational support for our high-performance global wireless and wired networks. Leveraging both proprietary and industry-standard monitoring and analysis more »
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Senior Network Engineer

London Area, United Kingdom
Movement8
Senior Network Engineer Hybrid £55,000- £65,000 My Client in The City of London are looking for an enthusiastic and highly-motivated IT professional to join our Engineering Team within the Support Department. The role will assist with delivering excellent support services to all our customers. … Line Support (40%) Troubleshooting and resolution of complex networking incidents and escalations Monitoring and fixing of networking alerts Root cause analysis and reporting of network trends Major incident resolution Service requests \ BAU firewall configuration \ network switch configuration On call support (escalations only, as part of rota) Project Work … Skills Intermediate – Understanding Networking IPv4/DHCP/DNS/Switches Intermediate – Understanding Enterprise Firewall technologies Intermediate – Understanding Enterprise WAN technologies Intermediate – Understanding Enterprise Network Management and Monitoring Intermediate – Understanding of packet capture technologies and tools more »
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Senior Network Engineer

london, south east england, United Kingdom
Movement8
Senior Network Engineer Hybrid £55,000- £65,000 My Client in The City of London are looking for an enthusiastic and highly-motivated IT professional to join our Engineering Team within the Support Department. The role will assist with delivering excellent support services to all our customers. … Line Support (40%) Troubleshooting and resolution of complex networking incidents and escalations Monitoring and fixing of networking alerts Root cause analysis and reporting of network trends Major incident resolution Service requests \ BAU firewall configuration \ network switch configuration On call support (escalations only, as part of rota) Project Work … Skills Intermediate – Understanding Networking IPv4/DHCP/DNS/Switches Intermediate – Understanding Enterprise Firewall technologies Intermediate – Understanding Enterprise WAN technologies Intermediate – Understanding Enterprise Network Management and Monitoring Intermediate – Understanding of packet capture technologies and tools more »
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Senior Network Engineer : Hedge Fund : Cisco CCNP/CCIE : Trading / ULL

London Area, United Kingdom
Hunter Bond
An elite global hedge fund are now seeking a Senior Network Engineer to work on it’s trading infrastructure. To apply, you will ideally be CCIE/CCNP qualified with a strong background in low latency and multicast networks. Our client is a leading global market maker … and reliable connectivity to proprietary trading technology, invariably around a bleeding edge Cisco environment. What you'll be doing: Design, deploy and troubleshoot global network infrastructure Design industry leading colocation (Colo) networks Implement optimisations to build ultra low latency network Work on network redesign, expansion and upgrade … Support trading teams in relation to high frequency Automation, capacity planning and connectivity advancement Manage network expansion, upgrades and support Provide expert support to high frequency trading teams What exposure you'll ideally have: LAN/WAN, Data Centres Low Latency (LL), Ultra Low Latency (ULL) Cisco, Juniper, Arista more »
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Sr Network Engineer / Jr Network Architect

London Area, United Kingdom
Kadambi Consulting
NO SPONSORSHIPS AT THIS TIME*************** Role: Sr. Network Engineer with Architecture Knowledge Location: London, UK Experience: 7-10 years Salary: 60k – 70k GBP/year Job description: Key Responsibilities Network Design and Implementation:  Design and implement robust, scalable, and secure network solutions, including LAN, WAN, VPN … and data centre networks.  Develop network architecture diagrams, technical specifications, and detailed plans.  Oversee the installation, configuration, and maintenance of network hardware and software. Performance and Optimization:  Monitor network performance and ensure optimal operation by identifying and resolving issues.  Implement network optimization strategies to improve performance … reduce latency, and increase bandwidth efficiency.  Conduct regular network assessments and capacity planning. Security and Compliance:  Implement and enforce network security policies and protocols to protect organizational assets.  Ensure network designs comply with industry standards, regulatory requirements, and security best practices.  Collaborate with the security team to more »
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Sr Network Engineer / Jr Network Architect

london, south east england, United Kingdom
Kadambi Consulting
NO SPONSORSHIPS AT THIS TIME*************** Role: Sr. Network Engineer with Architecture Knowledge Location: London, UK Experience: 7-10 years Salary: 60k – 70k GBP/year Job description: Key Responsibilities Network Design and Implementation:  Design and implement robust, scalable, and secure network solutions, including LAN, WAN, VPN … and data centre networks.  Develop network architecture diagrams, technical specifications, and detailed plans.  Oversee the installation, configuration, and maintenance of network hardware and software. Performance and Optimization:  Monitor network performance and ensure optimal operation by identifying and resolving issues.  Implement network optimization strategies to improve performance … reduce latency, and increase bandwidth efficiency.  Conduct regular network assessments and capacity planning. Security and Compliance:  Implement and enforce network security policies and protocols to protect organizational assets.  Ensure network designs comply with industry standards, regulatory requirements, and security best practices.  Collaborate with the security team to more »
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Senior Network Operations Engineer

London Area, United Kingdom
Hybrid / WFH Options
CDS, a Hewlett Packard Enterprise company
employees, and embraces all of Hewlett Packard Enterprise’s values and commitments to employees and customers alike. Role Overview The role of the Network Operations Engineer is to support expanding network projects requirement at southern based airport. This will include design & deployment/implementation, also any post … initiatives New service design & client setup Solves unique and complex problems that have a broad impact on the customer environment Risk ownership and Escalation Senior management reporting, including root-cause analysis and proactive remediation Seen as a technical expert in his/her area, involved with solution design Manages … and data protection Ensuring the escalation process is followed and any issues are communicated appropriately to internal and customer management teams Configuring and deploying network equipment Creation of network design documents Driving HPE value-add service enhancements through innovation and process improvement Troubleshooting hardware and firmware issues on more »
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Senior Network Engineer

City of London, London, United Kingdom
360 Resourcing
Senior Network Engineer - £55,000-£65,000 – London/Remote The Chaucer Group is a leading insurance group who help protect industries around the world from the risks they face. With UK headquarters in London, we also have international offices in Bermuda, Copenhagen, Dubai, and Singapore, and … have doubled in size over the last four years. Due to exciting growth we are looking to bring on a Senior Network Engineer to take a senior role in helping migrate our 2 large Datacentres to the Cloud (Azure) as well as contributing to BAU Support … to our existing Network infrastructure. On a daily basis the Senior Network Engineer will be responsible for: Provide technical expertise within the Networking Infrastructure Team as a subject matter expert Contribute to the migration of DCs to Azure Cloud Manage and maintain diverse networking infrastructure Subject more »
Employment Type: Permanent
Salary: £65,000
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Senior Network Engineer

City Of London, England, United Kingdom
Hybrid / WFH Options
Computappoint
Senior Network Engineer | 12 months FTC | Hybrid | City of London | Up to £90,000 This client operates on a hybrid working model with 2 days a week being onsite in the City of London Our client is looking for a hands-on Senior Network Engineer with good knowledge of current and upcoming technologies to join the team. Your main responsibilities will be Set up and configure network hardware such as routers, switches, hubs, and related components essential for the role. Inspect, maintain, and if needed, replace network cabling and associated equipment. Monitor … and analyze network performance regularly, covering LAN, WAN, and wireless deployments. Identify and resolve performance issues and suggest improvements to meet evolving network needs. Plan and execute improvements, modifications, or replacements of network infrastructure components while adhering to industry standards. Establish service level agreements for connectivity and more »
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Senior Network Automation Engineer

Greater London, England, United Kingdom
Hamilton Barnes 🌳
Job Opportunity: Senior Network Automation Engineer - Low Latency Focus Are you a seasoned network engineer seeking an opportunity to contribute to the development of the world's most advanced low-latency network? Do you want to join a dynamic team and become a crucial … the core of our success, fostering an environment where you can engage with professionals at all levels of the business. The Role: As a Senior Network Engineer, you will play a pivotal role in designing, configuring, and supporting our global low-latency platform. Your responsibilities will include … automating day-to-day network processes and utilizing cutting-edge monitoring tools to troubleshoot network-related issues. Key Responsibilities: Design, configure, and support the firm's global low-latency platform. Automate day-to-day network processes. Utilize cutting-edge monitoring tools to troubleshoot network-related issues. more »
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Senior Cloud Network Engineer (Azure)

London, United Kingdom
McCabe & Barton
Senior Cloud Network Engineer Permanent, 3 days in office in London Overview: The Company is a leading financial services firm. The technology is being transformed to a Cloud-First, Cloud-Native architectural model, utilizing DevSecOps processes and adoption of systems-thinking concepts to enhance productivity. The Cloud … Network Engineer are responsible for delivering modern end user solutions that are fully automated through code, ensuring scalability and optimize availability and reliability 24/7. Responsibilities: Engineer and secure core Azure platform services across global footprint. Go deep on Cloud Network Engineer, adopting Zero … Trust Architecture principles. Engineer and maintain Cloud Secure Web Gateways, Next-Gen CASB solutions Advance branch/SD-WAN solution to optimise network performance and connectivity. Colloborate with other areas of engineering and Service operations to ensure the successful integration of SSE/SASE Automate every operational aspect more »
Employment Type: Permanent
Salary: GBP 100,000 Annual
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Senior Network Systems Engineer

City of London, London, United Kingdom
The Talent Partnership
career to new heights with a pivotal role in the realm of aviation safety services. A prestigious, global satellite organisation is seeking a seasoned Senior Network Systems Engineer to join their Safety Systems Engineering team, a cornerstone of their Platform Engineering. This challenging role places you at more »
Employment Type: Permanent
Salary: £70,000
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Senior Cloud Network Engineer

City Of London, England, United Kingdom
i3
Senior Cloud Network Engineer – Hybrid Senior Cloud Network Engineer Azure, DevOps, Zero Trust Network Access Financial Services Contract 6 months initially West End, London/Hybrid (2 days a week in the office) £550 per day outside IR35 My client is one of … the world's leading investors in the Private Equity Secondary market and they are looking for a Senior Cloud Network Engineer to join their London office on contract basis. My client’s enterprise technology is being transformed to a Cloud-First, Cloud-Native architectural model, utilising DevSecOps … automated through code, are scalable, and maximise availability and reliability 24 x 7. Your key responsibilities will be as follows: Have broad responsibilities to engineer and secure their core Azure platform services across the global footprint. Go deep on Cloud Network engineering, adopting Zero Trust Architecture principles. Engineer more »
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Senior Cloud Network Engineer

london (city of london), south east england, United Kingdom
i3
Senior Cloud Network Engineer – Hybrid Senior Cloud Network Engineer Azure, DevOps, Zero Trust Network Access Financial Services Contract 6 months initially West End, London/Hybrid (2 days a week in the office) £550 per day outside IR35 My client is one of … the world's leading investors in the Private Equity Secondary market and they are looking for a Senior Cloud Network Engineer to join their London office on contract basis. My client’s enterprise technology is being transformed to a Cloud-First, Cloud-Native architectural model, utilising DevSecOps … automated through code, are scalable, and maximise availability and reliability 24 x 7. Your key responsibilities will be as follows: Have broad responsibilities to engineer and secure their core Azure platform services across the global footprint. Go deep on Cloud Network engineering, adopting Zero Trust Architecture principles. Engineer more »
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Senior Network Engineer

London Area, United Kingdom
ARC IT Recruitment
Senior Network Engineer London, City Circa £80k + bonus + excellent benefits Cisco, Fortigate Senior Network Engineer is sought to join the Global Network team within prestigious financial services organisation based in the City of London. This role will report into the Network Manager and be responsible for the management, oversight and delivery of IT services to the group. This will include helping manage the Network and Network Security teams at their key outsourcing partners. You will be skilled in all areas of networking with strong capabilities in detailing requirements … member of the project team from initiation to completion which may require travel to other offices and locations periodically. Key responsibilities: Be the local network lead for the London offices. Be the local network contact for the London Applications team and work with them on all network more »
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Senior Network Engineer

london, south east england, United Kingdom
ARC IT Recruitment
Senior Network Engineer London, City Circa £80k + bonus + excellent benefits Cisco, Fortigate Senior Network Engineer is sought to join the Global Network team within prestigious financial services organisation based in the City of London. This role will report into the Network Manager and be responsible for the management, oversight and delivery of IT services to the group. This will include helping manage the Network and Network Security teams at their key outsourcing partners. You will be skilled in all areas of networking with strong capabilities in detailing requirements … member of the project team from initiation to completion which may require travel to other offices and locations periodically. Key responsibilities: Be the local network lead for the London offices. Be the local network contact for the London Applications team and work with them on all network more »
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Senior Network Security Engineer

London Area, United Kingdom
Hybrid / WFH Options
InfraView - Specialist Cloud & IT Infrastructure Technology Recruitment
Technical Network Security Consultant – Cisco – Fortinet – Palo Alto - £75,000 – Up To £85,000 + £10K Bonus – Homebased – UK travel and London Why this business? For one of the largest Tech VAR globally £b turnover business Technology across the Cisco & Security Firewall arena The role of a Technical Consultant more »
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Senior Network Engineer

london (city of london), south east england, United Kingdom
Quant Capital
Senior Network Engineer – Low latency trading £140,000-200,000 + bonus Quant Capital is urgently looking for talented Network Engineers to join a top-tier HFT in their London office. As a Network Engineer, you will play a crucial role in building, automating … and ensuring the reliability of cutting-edge low latency infrastructure. This opportunity will allow you to work with the fastest trading network in the world, experiment with the latest technologies, and make your mark as a pioneer in the networking industry. The firm is known globally for its attitudes … a primary emphasis on low latency and proprietary hardware platforms. Proactively identifying opportunities for improvements in existing configurations, technologies, and procedures to enhance overall network performance. Providing hands-on operational support for our high-performance global wireless and wired networks. Leveraging both proprietary and industry-standard monitoring and analysis more »
Posted:

Senior Network Engineer

london (city of london), south east england, United Kingdom
Hybrid / WFH Options
Computappoint
Senior Network Engineer | 12 months FTC | Hybrid | City of London | Up to £90,000 This client operates on a hybrid working model with 2 days a week being onsite in the City of London Our client is looking for a hands-on Senior Network Engineer with good knowledge of current and upcoming technologies to join the team. Your main responsibilities will be Set up and configure network hardware such as routers, switches, hubs, and related components essential for the role. Inspect, maintain, and if needed, replace network cabling and associated equipment. Monitor … and analyze network performance regularly, covering LAN, WAN, and wireless deployments. Identify and resolve performance issues and suggest improvements to meet evolving network needs. Plan and execute improvements, modifications, or replacements of network infrastructure components while adhering to industry standards. Establish service level agreements for connectivity and more »
Posted:

Senior Network Security Engineer

London Area, United Kingdom
Caspian One
Job Title: Senior Network Security Engineer Location: London (In office, could be flexibility depending on the situation) Salary and Benefits: Over £100k + Bonus and Benefits Our client, a prominent fintech firm, is seeking a Senior Network Security Engineer to join their team and … play a pivotal role in ensuring the security of their network infrastructure. Role Overview: As a Senior Network Security Engineer, you will be instrumental in safeguarding our client's network infrastructure, focusing on perimeter networks, DMZs, firewalls, proxies, vulnerability scanning, and Network Access Control … the implementation of key security controls, conduct audits, and provide consultancy to the Security Operations Infosec team. Key Responsibilities: Lead, implement, and manage key network security controls. Conduct audits, certifications, and provide consultancy support. Utilise automation to enhance security posture and response capabilities. Liaise with stakeholders to enforce network more »
Posted:

Senior Network Security Engineer

london, south east england, United Kingdom
Caspian One
Job Title: Senior Network Security Engineer Location: London (In office, could be flexibility depending on the situation) Salary and Benefits: Over £100k + Bonus and Benefits Our client, a prominent fintech firm, is seeking a Senior Network Security Engineer to join their team and … play a pivotal role in ensuring the security of their network infrastructure. Role Overview: As a Senior Network Security Engineer, you will be instrumental in safeguarding our client's network infrastructure, focusing on perimeter networks, DMZs, firewalls, proxies, vulnerability scanning, and Network Access Control … the implementation of key security controls, conduct audits, and provide consultancy to the Security Operations Infosec team. Key Responsibilities: Lead, implement, and manage key network security controls. Conduct audits, certifications, and provide consultancy support. Utilise automation to enhance security posture and response capabilities. Liaise with stakeholders to enforce network more »
Posted:

Senior Network Automation Engineer

london, south east england, United Kingdom
Hamilton Barnes 🌳
Job Opportunity: Senior Network Automation Engineer - Low Latency Focus Are you a seasoned network engineer seeking an opportunity to contribute to the development of the world's most advanced low-latency network? Do you want to join a dynamic team and become a crucial … the core of our success, fostering an environment where you can engage with professionals at all levels of the business. The Role: As a Senior Network Engineer, you will play a pivotal role in designing, configuring, and supporting our global low-latency platform. Your responsibilities will include … automating day-to-day network processes and utilizing cutting-edge monitoring tools to troubleshoot network-related issues. Key Responsibilities: Design, configure, and support the firm's global low-latency platform. Automate day-to-day network processes. Utilize cutting-edge monitoring tools to troubleshoot network-related issues. more »
Posted:

Senior Network Security Infrastructure Engineer

London, England, United Kingdom
Hybrid / WFH Options
McGregor Boyall
Senior Network Security Infrastructure Engineer - Automation (Ansible/Python) - Fortinet - F5 - BGP - OSPF - AWS - BAU Permanent - up to £125,000 + benefits, bonus **Hybrid working 3 days office ** NO SPONSORSHIP OFFERED Global financial services client is looking for a Senior Network Security Infrastructure Engineer responsible for the delivery of Network Security Engineering projects and providing 3rd level technical support for the Global Network Infrastructure. The successful candidate will be a technical lead with excellent troubleshooting skills with a big focus on automation. Skills and Experience required: Broad range of technical skills … in IT Infrastructure including Networks, Cloud Services, Network Security Infrastructure and Threat Prevention techniques Strong troubleshooting experience with enterprise-class firewalls (both on-premise and cloud-based) including Fortinet Good knowledge of application & content delivery platforms: F5 - BIG-IQ, AFM, ASM, LTM, GTM & DDoS mitigation Strong Knowledge of Application more »
Posted:

Senior Network Security Infrastructure Engineer

london, south east england, United Kingdom
Hybrid / WFH Options
McGregor Boyall
Senior Network Security Infrastructure Engineer - Automation (Ansible/Python) - Fortinet - F5 - BGP - OSPF - AWS - BAU Permanent - up to £125,000 + benefits, bonus **Hybrid working 3 days office ** NO SPONSORSHIP OFFERED Global financial services client is looking for a Senior Network Security Infrastructure Engineer responsible for the delivery of Network Security Engineering projects and providing 3rd level technical support for the Global Network Infrastructure. The successful candidate will be a technical lead with excellent troubleshooting skills with a big focus on automation. Skills and Experience required: Broad range of technical skills … in IT Infrastructure including Networks, Cloud Services, Network Security Infrastructure and Threat Prevention techniques Strong troubleshooting experience with enterprise-class firewalls (both on-premise and cloud-based) including Fortinet Good knowledge of application & content delivery platforms: F5 - BIG-IQ, AFM, ASM, LTM, GTM & DDoS mitigation Strong Knowledge of Application more »
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Senior Network Engineer

London, England, United Kingdom
Hybrid / WFH Options
Nephos Technologies
data management and data security with integrated innovative solutions to high profile clients. About the job We have an exciting opportunity for an experienced network engineer to join and be an integral member of our team, to provide support and project assistance on enterprise scale infrastructure and systems … accurate records Manage Change records alongside issue resolution, infrastructure maintenance and improvement initiatives, whilst attending the weekly Change Advisory Board where needed Identify technology, network, security, or process improvements for standardisation, streamlining or automation opportunities where possible Work with other cross-functional teams within Nephos, such as Business Analysts … or equivalent in Data Centre related networking 5+ years hands on experience managing large networks, including design, installation, configuration, upgrades and troubleshooting Experience of network technologies, including but not limited to Cisco and or Linux networking Strong knowledge of data center switching and routing design, including VXLAN and EVPN more »
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Senior Network Engineer
London
10th Percentile
£51,250
25th Percentile
£55,000
Median
£74,500
75th Percentile
£90,000
90th Percentile
£98,000