1 to 25 of 71 Network Engineer Jobs in the City of London

Network Engineer – Cisco – VMWare – Palo – FortiGate – Lead Network Engineer ** Please note: You must have full eligibility to work in the UK! ** Lead Network Engineer I am looking for a Lead Network Engineer for a 12-month fixed-term contract. In this role … SD-WAN environments, primarily using VMware VeloCloud Configure and maintain Palo Alto Prisma Access and FortiGate firewalls for robust security Troubleshoot and resolve complex network issues to ensure performance and uptime Create and maintain detailed HLD/LLD documentation Collaborate with internal teams on network security, compliance, and … risk management Lead network-focused components of office relocations and IT infrastructure projects Mentor junior engineers and contribute to knowledge-sharing initiatives Stay up to date with new technologies and best practices to future-proof our network Skills & Experience: 5+ years' experience in network engineering roles Strong More ❯

Infrastructure Support Engineer/IT Systems Network Engineer who has excellent troubleshooting skills and the ability to support the Service Desk Engineers and handle all third line or complex technical issues that are escalated is required for a multi-award winning Managed Service Provider based in the … LEVELS OF EXPERIENCE CONSIDERED The company will consider all levels of experience. However, as a successful candidate you will need a solid foundation in Network Support/IT Infrastructures. SALARY: up to £38,000 per annum (depending on experience) with up to £5,000 Bonus + Benefits (see below … be invited on to the next stage of the interview process. JOB OVERVIEW We have a fantastic new job opportunity for an Infrastructure Support Engineer/IT Systems Network Engineer with a company that design, deliver and manage solutions to meet their clients' strategic and IT needs More ❯

Join to apply for the Lead Network Engineer role at Lisle Corporation 1 week ago Be among the first 25 applicants Join to apply for the Lead Network Engineer role at Lisle Corporation London | Leading International Law Firm Were currently recruiting for a Lead Network Engineer 12-Month FTC London | Leading International Law Firm Were currently recruiting for a Lead Network Engineer to join a prestigious international law firm on a 12-month fixed-term contract. This is a fantastic opportunity to join a high-performing IT function and take ownership … infrastructure. About The Role Reporting directly to the Technical Operations Manager, the successful candidate will play a key role in supporting day-to-day network operations, while also leading and delivering on infrastructure projects including office moves and network upgrades. What Were Looking For 5+ years' experience in More ❯

Network Engineer Consultant (Campus Routing and Switching) - This role is open to the following locations in UK : London , UK Edinburgh , UK Description: The Network Engineer Consultant will be responsible for designing, implementing, and maintaining the network infrastructure of our organization. This role requires a deep … ensure the efficient and secure transfer of data across the network. It will support the Unified Communication (UC) teams’ program of work focusing on network engineering aspects. Responsibilities: Design and implement functional network infrastructure (routing, switching, Wi-Fi) that ensures the integrity and availability of information and access. … Work alongside the UC team covering network aspects for the delivery of Microsoft Teams solutions. Supporting the UC teams migration of on-prem Cisco UC infrastructure to Cisco hosted or Cloud solutions. QoS implementations to aid the changing UC landscape with and Wide Area Network capacity planning and More ❯

Role: Network Engineer Location: London, UK (Hybrid) Job Type: Permanent Description: The Network Engineer Consultant will be responsible for designing, implementing, and maintaining the network infrastructure of our organization. This role requires a deep understanding of routing and switching technologies to ensure the efficient and … secure transfer of data across the network. It will support the BlackRock Unified Communication (UC) teams’ program of work focusing on network engineering aspects. Responsibilities: Design and implement functional network infrastructure (routing, switching, Wi-Fi) that ensures the integrity and availability of information and access. Work alongside the … UC team covering network aspects for the delivery of Microsoft Teams solutions. Supporting the UC teams migration of on-prem Cisco UC infrastructure to Cisco hosted or Cloud solutions. QoS implementations to aid the changing UC landscape with and Wide Area Network capacity planning and upgrades Rollout of More ❯

Central London, providing innovative networking solutions to a diverse range of clients. As part of our continued growth, we are looking for a Junior Network Engineer/Network Technician to join our technical team. This is an excellent opportunity for an individual with a passion for networking … and IT infrastructure who is eager to develop hands-on experience in a dynamic environment. Role Overview As a Junior Network Engineer , you will assist in maintaining, troubleshooting, and improving network infrastructure. You will work closely with senior engineers to support network operations, resolve connectivity issues … and gain exposure to cutting-edge networking technologies. Key Responsibilities Assisting in the installation, configuration, and maintenance of network hardware (routers, switches, firewalls) Monitoring network performance and troubleshooting connectivity issues Supporting LAN, WAN, and Wi-Fi networks across different environments Diagnosing and resolving network faults, escalating complex More ❯

Social network you want to login/join with: SC Cleared Network Engineer, london (city of london) col-narrow-left Client: Location: london (city of london), United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 2 Posted: 16.06.2025 Expiry Date: 31.07.2025 … col-wide Job Description: SC Cleared Network Engineer - 6 months+ - £500-600pd Inside IR35 - Remote with occasional travel to London Looking for an SC Cleared Network Engineer to provide engineering support. It is expected that the engineer will have both DevOps and network … Gateway Support Onboarding/Provisioning Add users to Security Enforcing Services AD Groups Add users to Security Enforcing Services AWS Console Groups SC Cleared Network Engineer - 6 months+ - £500-600pd Inside IR35 - Remote with occasional travel to London #J-18808-Ljbffr More ❯

Job Title: Platform Network Engineer Platform Network Engineer is responsible for designing, building, and maintaining the infrastructure that supports high-performance trading operations, with specialized focus on networking solutions in AWS and datacentre environments. This role serves as the first point of contact for all networking … projects, leading initiatives to ensure reliability, scalability, and security across the company's technology stack. The position involves architecting and implementing network infrastructure, troubleshooting connectivity issues, and collaborating with developers and traders to optimize systems for trading operations. This engineer bridges the gap between traditional platform engineering and … specialized networking expertise, ensuring seamless integration of networking components within the broader infrastructure ecosystem. Role Responsibilities Cloud & Network Infrastructure Design, deploy, and manage scalable, secure cloud and datacentre infrastructure to support high-performance trading. Build advanced AWS networking (VPCs, Transit Gateway, Direct Connect, etc.) across accounts and regions. Optimise More ❯

Network Security Engineer – Checkpoint SME CACI Ltd City Of London, England, United Kingdom Network Security Engineer – Checkpoint SME CACI Ltd City Of London, England, United Kingdom Direct message the job poster from CACI Ltd A Senior Network Security Engineer is required to join our … Managed Service, responsible for Firewall Solution Design on our client's network infrastructure in the UK. Job Description As a Senior Network Security Engineer within the team you will be responsible for designing and documenting security solutions across multiple networks to ensure end to end traffic flows … as per client requirements. The Senior Network Security Engineer will be heavily focussed on client needs and on delivering tailored solutions across the client's estate. The Engineer should have at least 8 years experience in a Networking role with a strong focus on security. The scope More ❯

Senior Network Engineer – cloud automation Salary: £70-£80k+ Benefits The Senior Network Engineer will play a key role in the automation and support of the company’s cloud-based Carrier Grade network infrastructure. The Network Engineer will be part of a global team … Support and integrate Carrier Grade Networks for a range of external customers Automate infrastructure and deployments with Terraform and Ansible Test AWS Cloud based network devices, Firewalls, Load Balancer Communicate effectively with team members and external customers Key requirements: 5+ years’ in a Network role within an Engineering More ❯

Cisco Network Engineer - City of London - Large financial services company - Salary up to £70,000 plus bonus and benefits - Hybrid working (3 times a week in London office) A large financial services company are currently looking for an experienced Network Engineer to join their growing team. … The role will have responsibility for managing and designing the enterprise network which stretches globally. Duties will include: - Assisting architects with implementations - Guiding team members on network technologies - Driving enhancements to networks - Modernising infrastructure - Level 3 network technical support - Routing/Switching/Firewall implementations - Integration of … switches, routers, wireless controllers, SDN, load balancers, NAC servers and cloud infrastructure - On call rotation support - Network security To be considered suitable for this Senior Network Engineer role you will need the following skills and experience: - Experience in design and implementation of networks in a large user More ❯

Job Title: Network Engineer Location: London, remote/hybrid working available Contract Type: 3 month initial contract, chance for extension Start Date: ASAP Assignment Rate: £600 per day PAYE Umbrella We are proud to recruit an experienced Contract Network Engineer for a vital role within their … IT Network Operations team. This is a hybrid position is offering the opportunity to support one of the UK s most dynamic network environments. The role focuses entirely on Business as Usual (BAU) operations, ensuring the performance, stability and security of the company s existing network estate … across all locations. The successful candidate will be responsible for the day-to-day support and operational management of a diverse enterprise network infrastructure, which includes Fortinet SD-WAN and FortiSASE technologies, Cisco and Aruba switches, and Meraki wireless deployments. This is not a project-based deployment role, but More ❯

Network Engineer - Global Quant Trading Firm | Up to £200k TC A globally recognised and fast-growing quantitative trading firm is looking for an experienced Network Engineer to manage and evolve their low latency network environment . You’ll be joining a collaborative and forward-thinking … environment with flat structures and deep technical expertise – ideal for someone who enjoys network automation, observability tooling, and IaC . Below I have included a breakdown of the role, company, and requirements. Please review and if the opportunity seems like a good fit share your CV! Role: Maintain and … manage a complex, performance-critical network infrastructure, Proactively find opportunities for network automation and implement appropriately IaC heavy environment - work with likes of Ansible, Python, CI/CD, GitOps practices Deliver troubleshooting, operational enhancements, and BAU changes Develop observability tooling (dashboards, alerts) and build self-healing or event More ❯

Senior Network Engineer Hybrid - London Short-term contract (2 weeks work) About Ovyo: Ovyo is an professional services company specializing in the satellite, telecommunications, media, and broadcasting, transportation and many more sectors. Our management team is located in the UK and Portugal and we have technical teams based … across other European countries, US and India. One of our clients is looking for a Senior Network Engineer to join them on a 2 week project, hybrid working out of London. Here your objective will be to work closely with stakeholders to collect technical and functional requirements crafting … to effectively communicate needs to vendors or service providers. Responsibilities: Engage Stakeholders : Collaborate with IT, facility managers, security, and end-users to identify wireless network needs Conduct Site Surveys : Perform or oversee predictive and physical wireless site surveys to assess RF environment and review existing infrastructure compatibility. Document Specifications More ❯

Network/Infrastructure Engineer 4 days a week in the office in London We are working with an Investment Manager in London who are seeking an experienced Infrastructure and Network Engineer . The role will focus on maintaining the firm’s current hybrid cloud, network … estate for a demanding business environment. The individual will deal with various issues, including On-Prem/Cloud Infrastructure, networking problems, and routine scheduled network infrastructure upgrades. The candidate must be hands-on and have experience working with Azure, Juniper, PaloAlto systems, M365 and Windows Server. IaC concepts, with … PowerShell and Terraform to automate deployments and tasks. You would be expected to: Maintain and monitor a highly available and complex hybrid cloud and network infrastructure Perform daily system and network monitoring Repair and recover from hardware and software failures across the entire infrastructure stack Identify issues proactively More ❯

Senior Network Engineer – AWS Cloud and On-Prem London offices + Hybrid working options Salary up to £80k+ Benefits Our client’s software products include AI and Automation software used globally by a range of external customers. The Senior Network Engineer will play a key role … in the implementation and support of their on-prem and cloud-based network infrastructure with a focus on security, reliability, and scalability. The Senior Network Engineer will support these global customers at a senior level so previous experience in a similar role is essential, but the company … range of external customers Implement Cloud service integrations, Data flows, AWS, Cloud VPN, etc Support and configure firewalls, switches, and routers Test Cloud based network devices, Firewalls, Load Balancer Communicate effectively with team members and external customers Key requirements: 5+ years’ in a Network Engineering role, preferably in More ❯

concepts. Knowledge of ACI Fabric’s would be useful including automation and scripting. ISE NAC and monitoring tools such as Solarwinds. Solid understanding of network fundamentals: This includes knowledge of network protocols (TCP/IP, BGP, OSPF), different network devices (routers, switches, firewalls), and network architectures … LAN, WAN, WLAN). Network device configuration: The ability to configure routers, switches, firewalls, and other network equipment using vendor-specific commands or tools. Troubleshooting and problem-solving: Network engineers must be adept at identifying, diagnosing, and resolving network issues that can arise from hardware, software … or configuration problems. Familiarity with network monitoring tools Good understanding of security principles: knowledge of security concepts for firewall, VPN’s, data etc to maintain a healthy network. Roles and Responsibilities: Installing and configuring network devices: This involves setting up routers, switches, firewalls, and other network equipment More ❯

Opticore IT is a specialist Network Engineer and Project Management consultancy offering a wide variety of opportunities to work within fast-paced, challenging environments across our client base spanning multiple sectors including Finance, Broadcast Media, Telecommunications and more. We are currently seeking a Network Engineer , to … join our Network Practice ; within one of our Financial clients . This is a hybrid position but you will be required to attend the office up to 2 days a week, based in the London. What you'll be doing: Implement, manage, and troubleshoot enterprise network infrastructure (LAN … . Administer Cisco ACI environments, including configuration, maintenance, and troubleshooting. Manage and optimize Cisco DNA Center (DNAC) to ensure operational efficiency. Participate actively in network monitoring and respond to incidents promptly. Support network infrastructure projects, ensuring timely completion of milestones and adherence to quality standards. Collaborate with cross More ❯

Social network you want to login/join with: Network & Infrastructure Engineer, london (city of london) col-narrow-left Client: System Recruitment Specialists Location: london (city of london), United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 4 Posted: 16.06.2025 Expiry … days a week in the office in London We are working with an Investment Manager in London who are seeking an experienced Infrastructure and Network Engineer . The role will focus on maintaining the firm’s current hybrid cloud, network, Internet and server connectivity infrastructure, and the … estate for a demanding business environment. The individual will deal with various issues, including On-Prem/Cloud Infrastructure, networking problems, and routine scheduled network infrastructure upgrades. The candidate must be hands-on and have experience working with Azure, Juniper, PaloAlto systems, M365 and Windows Server. IaC concepts, with More ❯

Social network you want to login/join with: Lead Network Engineer, london (city of london) col-narrow-left Client: DVF Recruitment Location: london (city of london), United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 2 Posted: 16.06.2025 Expiry Date … col-wide Job Description: Location: London/Hybrid Contract: 12-Month Fixed-Term Contract We’re excited to announce an opportunity for a Lead Network Engineer to join our client, a Leading International Law firm on a 12-month fixed-term contract. Reporting directly to the Technical Operations … this role is critical in supporting and evolving our LAN/WAN infrastructure, and will play a key part in upcoming office moves and network change initiatives. Key Responsibilities: Maintain and support the company’s existing LAN/WAN infrastructure Deliver and support infrastructure projects, including office relocations and More ❯

Senior Network Engineer – CONTRACT – London up to £1000 per day - based on experience A skilled Network Engineer is required to support high-performance network initiatives within a fast-paced financial services environment. This urgent contract opportunity focuses on automation-first network infrastructure design across … hybrid cloud, data centres, and low-latency environments. You’ll join a highly capable team delivering strategic upgrades to core network services—leveraging automation, SDLC best practices, and infrastructure-as-code to drive scalable and secure architectures. The requirements are as follows: CCNP-certified with strong hands-on experience … NX-OS, and/or Arista EOS Experience with WAN/OTN networks, and knowledge of Juniper and/or Nokia platforms Familiarity with network automation using Python and Ansible (Day-1/Day-2 operations) Understanding of CI/CD, SDLC workflows, and secure-by-design principles Exposure More ❯

Social network you want to login/join with: Senior Network Engineer, london (city of london) col-narrow-left Client: Location: london (city of london), United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 3 Posted: 16.06.2025 Expiry Date: 31.07.2025 col … want to work with one of the most well known asset management firms globally? Our client is seeking a highly skilled and experienced Senior Network Engineer to join there dynamic team. The successful candidate will play a key role in designing, implementing, and maintaining the network infrastructure … to ensure optimal performance and reliability. Responsibilities: Design, implement, and maintain our network infrastructure to meet the company's performance and reliability requirements. Troubleshoot network issues and implement solutions in a timely manner. Collaborate with cross-functional teams to support various projects and initiatives. Must Haves: Bachelor's More ❯

Social network you want to login/join with: Network Engineer, london (city of london) col-narrow-left Client: Harris Global Location: london (city of london), United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 3 Posted: 16.06.2025 Expiry Date: 31.07.2025 … col-wide Job Description: Harris Global is currently seeking an experienced Network Engineer to join a leading client on a permanent basis. This hybrid role offers the opportunity to work on cutting edge network infrastructure, with a strong focus on Cisco, Palo Alto and Arista technologies. Key … Responsibilities: Lead the implementation of new network solutions and enhancements to existing infrastructure. Continuously evaluate and improve network performance, resilience and redundancy. Produce and maintain accurate technical documentation using Microsoft Visio. Take ownership of assigned projects, managing both technical execution and stakeholder communication. Design solutions in line with More ❯

Lead Network Engineer (12-Month FTC) Location: London/Hybrid Contract: 12-Month Fixed-Term Contract We’re excited to announce an opportunity for a Lead Network Engineer to join our client, a Leading International Law firm on a 12-month fixed-term contract. Reporting directly … this role is critical in supporting and evolving our LAN/WAN infrastructure, and will play a key part in upcoming office moves and network change initiatives. Key Responsibilities: Maintain and support the company’s existing LAN/WAN infrastructure Deliver and support infrastructure projects, including office relocations and … network upgrades Work collaboratively with cross functional teams to ensure seamless network operations Produce and maintain comprehensive High Level and Low Level Design documentation Troubleshoot and resolve network-related issues within Azure and on prem environments What We’re Looking For: 5+ years’ experience in a senior More ❯

Social network you want to login/join with: Network Security Engineer, London (City of London) Client: InterEx Group Location: London (City of London), United Kingdom Job Category: Other EU work permit required: Yes Job Views: 2 Posted: 16.06.2025 Expiry Date: 31.07.2025 Job Description: Job Title: Network Security Engineer Location: London, UK We are looking for a skilled Network Security Engineer with expertise in Cisco technologies to join our team in London, UK. As a Network Security Engineer, you will be responsible for designing, implementing, and maintaining secure network infrastructures … to protect our organization's data and systems from cyber threats. Key Responsibilities: Design, implement, and maintain network security measures to protect organization's data and systems Monitor network traffic for potential security breaches and respond appropriately to incidents Conduct regular security audits and vulnerability assessments to identify More ❯