76 to 100 of 102 Network Engineer Jobs in the City of London

Excellent opportunity for anyone with fluent MANDARIN and recent experience as a Network and Security Engineer or with 5 years in this specialist field who is now looking for their next step.This is a corporate banking role, the team need one specialist for the installation, support and maintenance of network infrastructure and security framework and assist the … network and security manager in the administration and maintenance of the Banks IT networking equipment through the support of the network equipment, HO network. Job Title MANDARIN Network and Security Engineer Location London Work style: Onsite office-based role Salary: up to £75000 Per annum Languages: Mandarin Chinese and English Key Responsibilities: 1. Security Monitoring & Incident … . Assist in incident response and remediation efforts. 2. Vulnerability Management Conduct vulnerability assessments and support penetration testing. Collaborate with senior teams to patch systems and mitigate risks. 3. Network Access Control (NAC) Configure switches and endpoints for NAC upgrades and troubleshooting. 4. IP Telephony Support Install, configure, and troubleshoot Cisco IP Phone/IPC services. 5. Network More ❯

Network Automation Engineer CACI Network Services is a rapidly expanding specialist IT and Networks consultancy offering a wide variety of opportunities to work within challenging and exciting environments with our major clients in Global Media, Banking, Government, Telecoms & Utilities Essential Experience: (must -have skills/qualifications) Solid experience of working in a high-pressure, large-scale, global … environment. Solid understanding of Web Security - Web Application Firewalls & API Security Gateways Experience doing development & tooling for Network & Security Engineering Teams Ability to communicate at all levels. Solid understanding of distributed multi-tier architectures. Solid understanding of change control procedures and incident reporting methodologies. Automating infrastructure provisioning - IaaS & Automating application delivery - PaaS Successful, proven experience (minimum 3 years) in More ❯

Network Automation Engineer CACI Network Services is a rapidly expanding specialist IT and Networks consultancy offering a wide variety of opportunities to work within challenging and exciting environments with our major clients in Global Media, Banking, Government, Telecoms & Utilities Essential Experience: (must -have skills/qualifications) Solid experience of working in a high-pressure, large-scale, global … environment. Solid understanding of Web Security - Web Application Firewalls & API Security Gateways Experience doing development & tooling for Network & Security Engineering Teams Ability to communicate at all levels. Solid understanding of distributed multi-tier architectures. Solid understanding of change control procedures and incident reporting methodologies. Automating infrastructure provisioning - IaaS & Automating application delivery - PaaS Successful, proven experience (minimum 3 years) in More ❯

Job Title: Network Test Engineer x3 Location: Hybrid Contract Type: Day rate contract, OUTSIDE IR35 Rate: Depending on experience Start: ASAP You will need to either have live SC clearance, or be eligible. Key Responsibilities: Test Analyst skills Create test scripts from Test Plans/Low Level Designs for Network infrastructure (Routers/switches/firewalls) Understand … Test execution evidence, Reporting execution/defect in ALM Practical skills Cisco Switch/Router console commands Handling Fibre optic cables Understanding of Data Centre operating procedures Set up network test equipment for RFC 2544 testing Network and Service Management tool set (e.g. StableNet More ❯

Job Title: Network Test Engineer x3 Location: Hybrid Contract Type: Day rate contract, OUTSIDE IR35 Rate: Depending on experience Start: ASAP You will need to either have live SC clearance, or be eligible. Key Responsibilities: Test Analyst skills Create test scripts from Test Plans/Low Level Designs for Network infrastructure (Routers/switches/firewalls) Understand … Test execution evidence, Reporting execution/defect in ALM Practical skills Cisco Switch/Router console commands Handling Fibre optic cables Understanding of Data Centre operating procedures Set up network test equipment for RFC 2544 testing Network and Service Management tool set (e.g. StableNet More ❯

Hawksworth are now recruiting an IT Network Engineer for a global Investment Banking client in London. Term – 6 months initially Location: London/Liverpool St location Rate: Inside IR35 – Up to £668 per day The client has received significant investment towards the latency electronic trading networking, allowing them to refresh the hardware and redesign of the architecture. As … the successful Network Engineer, you will have a proven record of delivering and maintaining stable network environments. You will need excellent communication skills and have an excellent understanding of a trading infrastructure. You will be dealing directly with developers and application support to determine and understand how their applications interact with the infrastructure to help ensure successful … needed. Required skills & Experience: CCIE qualification preferred (candidates without CCIE who can demonstrate equivalent expertise will be considered) Expert in Multicast. Experience of working in highly available latency sensitive network environment utilizing multiple network (switching & routing) and security (firewall, Web Gateway & LTM) technologies Experience in capturing requirements from the business and working with multiple technical teams to identify More ❯

Hawksworth are now recruiting an IT Network Engineer for a global Investment Banking client in London. Term – 6 months initially Location: London/Liverpool St location Rate: Inside IR35 – Up to £668 per day The client has received significant investment towards the latency electronic trading networking, allowing them to refresh the hardware and redesign of the architecture. As … the successful Network Engineer, you will have a proven record of delivering and maintaining stable network environments. You will need excellent communication skills and have an excellent understanding of a trading infrastructure. You will be dealing directly with developers and application support to determine and understand how their applications interact with the infrastructure to help ensure successful … needed. Required skills & Experience: CCIE qualification preferred (candidates without CCIE who can demonstrate equivalent expertise will be considered) Expert in Multicast. Experience of working in highly available latency sensitive network environment utilizing multiple network (switching & routing) and security (firewall, Web Gateway & LTM) technologies Experience in capturing requirements from the business and working with multiple technical teams to identify More ❯

CACI Ltd City Of London, England, United Kingdom 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 focused on client needs and on delivering tailored solutions across the client's estate. The Engineer should have at least 10 years' experience in a Networking role with a strong focus on security. The scope … of the primary task of this role is to work alongside the client's Network Security Architect in developing security solutions. Main Duties and Responsibilities Troubleshooting: Manage and troubleshoot issues that arise on the network and resolve issues reported by other IT groups. The candidate must be dynamic and able to work under pressure to resolve incidents and More ❯

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 of the primary task of this role is … to work alongside the client's Network Security Architect in developing security solutions. The main duties and responsibilities of the role will include: Troubleshooting Manage and troubleshoot issues that arise on the network and resolve issues reported by other IT groups. The candidate must be dynamic and be able to work under pressure to resolve incidents and outages More ❯

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 of the primary task of this role is … to work alongside the client's Network Security Architect in developing security solutions. The main duties and responsibilities of the role will include: Troubleshooting Manage and troubleshoot issues that arise on the network and resolve issues reported by other IT groups. The candidate must be dynamic and be able to work under pressure to resolve incidents and outages More ❯

deliver professional and managed solutions across EMEA. Are you a datacenter networking expert with deep hands-on experience in Cisco and Juniper environments? We’re looking for a skilled Network Specialist to join our client and drive the design, deployment, and automation of cutting-edge data center infrastructures. What You’ll Do: Design data center networks using Cisco Nexus More ❯

deliver professional and managed solutions across EMEA. Are you a datacenter networking expert with deep hands-on experience in Cisco and Juniper environments? We’re looking for a skilled Network Specialist to join our client and drive the design, deployment, and automation of cutting-edge data center infrastructures. What You’ll Do: Design data center networks using Cisco Nexus 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 … performance trading. Build advanced AWS networking (VPCs, Transit Gateway, Direct Connect, etc.) across accounts and regions. Optimise low-latency connectivity, support collocated servers near exchanges, and implement cost-efficient network solutions. Infrastructure as Code & Automation Automate infrastructure using Terraform, Ansible, and GitLab CI/CD. Apply GitOps for auditable, consistent deployments. Build resilient, self-healing network systems. Security 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 … performance trading. Build advanced AWS networking (VPCs, Transit Gateway, Direct Connect, etc.) across accounts and regions. Optimise low-latency connectivity, support collocated servers near exchanges, and implement cost-efficient network solutions. Infrastructure as Code & Automation Automate infrastructure using Terraform, Ansible, and GitLab CI/CD. Apply GitOps for auditable, consistent deployments. Build resilient, self-healing network systems. Security 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 … troubleshooting, operational enhancements, and BAU changes Develop observability tooling (dashboards, alerts) and build self-healing or event-driven automation Lead post-incident reviews and trend analysis to continuously improve network reliability and performance Company: Technology-led culture – Drives both trading and internal investment decisions c.1,000 employees – Large enough for scale, small enough for individual impact New state-of 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 … troubleshooting, operational enhancements, and BAU changes Develop observability tooling (dashboards, alerts) and build self-healing or event-driven automation Lead post-incident reviews and trend analysis to continuously improve network reliability and performance Company: Technology-led culture – Drives both trading and internal investment decisions c.1,000 employees – Large enough for scale, small enough for individual impact New state-of More ❯

The Company My client is a global wealth management business who are looking for a Network Engineer to join their team growing team based in their City of London of Essex office. The Role The role involves managing, designing, and enhancing the enterprise network, working with network architects on new technologies. You'll lead project delivery 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 of the primary task of this role is to work alongside the client's Network Security Architect in developing security solutions. The main duties and responsibilities of the role More ❯

Social network you want to login/join with: 3rd line Network Engineer - Juniper, London (City of London) Client: Anson McCade Location: London (City of London), United Kingdom Job Category: Other EU work permit required: Yes Job Views: 3 Posted: 16.06.2025 Expiry Date: 31.07.2025 Job Description: Excellent opportunity to join a global IT MSP and gold level … defence partner of the UK MOD. Due to exponential growth, my client is hiring a 3rd line level Network Engineer to help manage and monitor highly secure network infrastructure. What's in it for me? Salary up to £60k D.O.E Company bonus scheme - 10% Security clearance bonus - 10% Enhanced annual leave Enhanced pension scheme up to … matched First-class career progression and skill-up opportunities What do I need? Proficiency with Juniper devices and OS (Cisco is a plus) Experience managing core network infrastructure and monitoring tools like SolarWinds Experience with Patch management Experience with Netscaler (Citrix Application Delivery Controller) is highly desirable Willingness and eligibility to undergo advanced security checks (DV) #J-18808-Ljbffr More ❯

join a global It MSP and gold level defence partner of the UK MOD. Due to exponential growth my client has opened the door for a 3rd line level Network Engineer to come on board and help manage and monitor highly secure network infrastructure. What's in it for me? Salary up to £60k D.O.E Company bonus … career progression and skill up opportunities What do I need? Skilled with Juniper devices and OS - Juniper is a must - Cisco is a nice to have Experience managing core network infrastructure and monitoring with tools like Solarwinds Experience with Patch management Experience with Netscaler (Citrix App Delivery Controller) is highly desirable Given the nature of projects candidates must be More ❯

join a global It MSP and gold level defence partner of the UK MOD. Due to exponential growth my client has opened the door for a 3rd line level Network Engineer to come on board and help manage and monitor highly secure network infrastructure. What's in it for me? Salary up to £60k D.O.E Company bonus … career progression and skill up opportunities What do I need? Skilled with Juniper devices and OS - Juniper is a must - Cisco is a nice to have Experience managing core network infrastructure and monitoring with tools like Solarwinds Experience with Patch management Experience with Netscaler (Citrix App Delivery Controller) is highly desirable Given the nature of projects candidates must be More ❯

A leading transport and rail infrastructure company is seeking a skilled Network Engineer with Nokia IP/MPLS expertise to play a key role in a multi-year digital transformation initiative. This is a high-impact project replacing legacy SDH infrastructure with a modern Nokia 7750 MPLS Core , underpinning critical connectivity across the rail network. The Opportunity Join … solutions Collaborate with project and field teams to ensure seamless transition from legacy systems What You'll Do Lead the design and configuration of a Nokia 7750 MPLS core network Replace legacy SDH infrastructure with high-performance IP-based systems Liaise closely with operations and delivery teams to ensure reliable, real-time connectivity Carry out hands-on configuration, documentation … and redundancy for key systems operating in a safety-critical environment Key Skills Required Proven experience with Nokia IP/MPLS platforms (especially 7750 Service Routers) Strong understanding of network protocols (OSPF, BGP, MPLS, QoS, etc.) Previous experience replacing SDH/legacy telecoms infrastructure is highly beneficial Hands-on capability for configuration, deployment, and troubleshooting Experience working in transport More ❯

A leading transport and rail infrastructure company is seeking a skilled Network Engineer with Nokia IP/MPLS expertise to play a key role in a multi-year digital transformation initiative. This is a high-impact project replacing legacy SDH infrastructure with a modern Nokia 7750 MPLS Core , underpinning critical connectivity across the rail network. The Opportunity Join … solutions Collaborate with project and field teams to ensure seamless transition from legacy systems What You'll Do Lead the design and configuration of a Nokia 7750 MPLS core network Replace legacy SDH infrastructure with high-performance IP-based systems Liaise closely with operations and delivery teams to ensure reliable, real-time connectivity Carry out hands-on configuration, documentation … and redundancy for key systems operating in a safety-critical environment Key Skills Required Proven experience with Nokia IP/MPLS platforms (especially 7750 Service Routers) Strong understanding of network protocols (OSPF, BGP, MPLS, QoS, etc.) Previous experience replacing SDH/legacy telecoms infrastructure is highly beneficial Hands-on capability for configuration, deployment, and troubleshooting Experience working in transport More ❯

in the process of re-thinking their low-latency trading networks, alongside expanding their DC presence in both the UK & US. You’ll also help to rebuild their management network whilst architecting office moves. Their infrastructure is mostly on-prem, although they have recently begun migrating a number of key services to AWS. This is still a hands-on More ❯

in the process of re-thinking their low-latency trading networks, alongside expanding their DC presence in both the UK & US. You’ll also help to rebuild their management network whilst architecting office moves. Their infrastructure is mostly on-prem, although they have recently begun migrating a number of key services to AWS. This is still a hands-on More ❯