13 network infrastructure engineer jobs found in London

DevOps Engineer - Active SC, Ansible, Terraform Up to £500 per day (Outside IR35) Primarily Remote 6 months My client requires a hands‑on DevOps Engineer with active SC clearance to support the delivery and maintenance of Azure‑based IaaS/PaaS environments using Terraform and Ansible. Key Requirements: Proven experience as a DevOps Engineer with Active Security Clearance (SC) Hands‑on experience designing and delivering Infrastructure as Code solutions using Terraform. Strong track record applying Ansible for configuration management and automated environment builds. Background implementing, supporting and optimising services within the Azure cloud platform. Practical experience administering Windows Server estates in operational environments. Solid exposure to Linux server management, including configuration, patching and diagnostics. Experience resolving infrastructure, OS and network‑level issues, including components such as Active Directory, DNS and IIS....

DevOps Engineer - Active SC, Ansible, Terraform Up to £500 per day (Outside IR35) Primarily Remote 6 months My client requires a hands-on DevOps Engineer with active SC clearance to support the delivery and maintenance of Azure-based IaaS/PaaS environments using Terraform and Ansible. Key Requirements: Proven experience as a DevOps Engineer with Active Security Clearance (SC) Hands-on experience designing and delivering Infrastructure as Code solutions using Terraform. Strong track record applying Ansible for configuration management and automated environment builds. Background implementing, supporting and optimising services within the Azure cloud platform. Practical experience administering Windows Server estates in operational environments. Solid exposure to Linux server management, including configuration, patching and diagnostics. Experience resolving infrastructure, OS and network-level issues, including...

NETWORK ENGINEER - OUTSIDE IR35 We are seeking a highly motivated and experienced Network Engineer to join a dynamic technology team within a fast-paced investment banking environment. This role is ideal for an individual with strong technical expertise, excellent problem-solving skills, and experience supporting enterprise-grade network infrastructure in a regulated, high-availability setting. Key Responsibilities Support, configure, and maintain enterprise network systems, including routers, switches, firewalls, VPNs, and cloud-based network services . Monitor network performance, perform diagnostics, and troubleshoot issues to ensure high availability, reliability, and optimal performance . Assist in the design and implementation of secure, scalable network solutions aligned with business and security requirements. Collaborate with cross-functional teams to resolve network incidents and support ongoing business initiatives....

Senior Cloud Network Engineer - Multi-Cloud, AWS, Azure, Terraform - £600 - £650 per day (outside IR35, mostly remote) A global commercial real estate services and investment firm are seeking a highly skilled Senior Cloud Network Engineer to lead the design and optimization of secure, scalable cloud networking solutions across their international operations. The Senior Cloud Network Engineer's responsibilities will be: Design and implement advanced cloud network architectures across AWS, Azure, and hybrid environments including VPCs, Transit Gateways, and Direct Connect solutions. Lead integration of on-premises and cloud networks, ensuring secure and efficient hybrid connectivity across global infrastructure. Collaborate with cybersecurity, DevOps, and infrastructure teams to align cloud network strategies with business objectives. Conduct cloud network architecture reviews, performance tuning, and cost optimization initiatives. Develop and maintain network...

Platform Engineer | Trading Firm Central London | 3 days on site Outside IR35 | Up to £650 per day A trading firm in central London has rolled out a business wide data platform and now needs a senior Platform Engineer to take full control of the platform layer. Kubernetes is the heart of this environment and they need someone who can run it with confidence, precision and zero drama. What they need you to bring Serious Kubernetes depth covering cluster design, workload orchestration, autoscaling strategies, multi cluster operations, network policy, resource tuning and deep debugging across pods, nodes and the control plane Deep Linux fluency with the ability to harden, tune and own production environments from top to bottom Strong SQL engineering skills covering schema design, performance tuning and high throughput optimisation Solid C# background with clean, maintainable service patterns Ability to design, build and refine CI/CD...

NETWORK ENGINEER - OUTSIDE IR35 We are seeking a highly motivated and experienced Network Engineer to join a dynamic technology team within a fast-paced investment banking environment. This role is ideal for an individual with strong technical expertise, excellent problem-solving skills, and experience supporting enterprise-grade network infrastructure in a regulated, high-availability setting. Key Responsibilities Support, configure, and maintain enterprise network systems, including routers, switches, firewalls, VPNs, and cloud-based network services . Monitor network performance, perform diagnostics, and troubleshoot issues to ensure high availability, reliability, and optimal performance . Assist in the design and implementation of secure, scalable network solutions aligned with business and security requirements. Collaborate with cross-functional teams to resolve network incidents and support ongoing business initiatives....

Platform Engineer | Trading Firm Central London | 3 days on site Outside IR35 | Up to £650 per day A trading firm in central London has rolled out a business wide data platform and now needs a senior Platform Engineer to take full control of the platform layer. Kubernetes is the heart of this environment and they need someone who can run it with confidence, precision and zero drama. What they need you to bring Serious Kubernetes depth covering cluster design, workload orchestration, autoscaling strategies, multi cluster operations, network policy, resource tuning and deep debugging across pods, nodes and the control plane Deep Linux fluency with the ability to harden, tune and own production environments from top to bottom Strong SQL engineering skills covering schema design, performance tuning and high throughput optimisation Solid C# background with clean, maintainable service patterns Ability to design, build and refine CI/CD...

Cloud/AWS Infrastructure Engineer Location: London, UK Employment Type: TP (Outside IR35) Duration: 6-12 Months Job Responsibilities: · Maintain and improve AWS cloud infrastructure for 24/7 bank operations, focusing on stability, performance, security, and compliance · Enhance connectivity between AWS accounts, client, and third parties to ensure secure and reliable customer experiences · Design and create automation scripts and tooling using Bash, Python, or Go · Build and support cloud platforms for application developers, improving SDLC and developer experience · Manage vendor relationships and coordinate project efforts across business areas · Participate in on-call rotation to support platform reliability Required Qualifications, Capabilities, and Skills: · Formal training or certification on software engineering concepts and advanced applied experience · Hands-on experience with AWS and infrastructure as code (Terraform) · Understanding of...

Contract: Network Architect Start Date: ASAP Duration: 6 months Location: Remote UK Rate: £600 - £700 outside of IR35 Reference: 20253 **Experience working within service srovider environments preferred** The Network Architect is responsible for leading the design, architecture, and implementation of network solutions as part of customer-facing professional services engagements. The role works closely with delivery teams and engineers to ensure successful deployment of network infrastructure and serves as a technical escalation point during project delivery. The architect will engage with customers to gather requirements, run technical workshops, and translate business needs into scalable and secure network designs. This includes defining network topology, routing and switching, WAN connectivity, and security controls such as firewalls. The role also supports the deployment and validation of network solutions, ensuring they meet performance,...

Contract: Network Architect Start Date: ASAP Duration: 6 months Location: Remote UK Rate: £600 - £700 outside of IR35 Reference: 20253 *Experience working within service srovider environments preferred* The Network Architect is responsible for leading the design, architecture, and implementation of network solutions as part of customer-facing professional services engagements. The role works closely with delivery teams and engineers to ensure successful deployment of network infrastructure and serves as a technical escalation point during project delivery. The architect will engage with customers to gather requirements, run technical workshops, and translate business needs into scalable and secure network designs. This includes defining network topology, routing and switching, WAN connectivity, and security controls such as Firewalls. The role also supports the deployment and validation of network solutions, ensuring they meet performance, scalability, and...

Senior Infrastructure Engineer Central London £550 - £650 p/d - outside IR35 3 month initial term A well-established, growing business is seeking an experienced Senior IT Infrastructure Engineer to support both core infrastructure and M&A projects. This is a critical role during a period of ambitious expansion, including multiple acquisitions and integration of new sites. You will ensure seamless IT operations, business continuity and secure, resilient infrastructure across offices and acquired businesses. Key Responsibilities: * Lead the assessment, integration and consolidation of IT environments during mergers and acquisitions * Manage core office and site networks, including LAN/WAN, VPNs, IP addressing and firewall operations (FortiGate)u * Conduct audits of IT infrastructure, cloud environments (Azure, AWS) and enterprise applications (ERP, CRM) * Plan and execute migrations, including tenant-to-tenant Microsoft 365 and Active Directory...

Senior Infrastructure Engineer Central London £550 - £650 p/d - outside IR35 3 month initial term A well-established, growing business is seeking an experienced Senior IT Infrastructure Engineer to support both core infrastructure and M&A projects. This is a critical role during a period of ambitious expansion, including multiple acquisitions and integration of new sites. You will ensure seamless IT operations, business continuity and secure, resilient infrastructure across offices and acquired businesses. Key Responsibilities: * Lead the assessment, integration and consolidation of IT environments during mergers and acquisitions * Manage core office and site networks, including LAN/WAN, VPNs, IP Addressing and Firewall operations (FortiGate)u * Conduct audits of IT infrastructure, cloud environments (Azure, AWS) and enterprise applications (ERP, CRM) * Plan and execute migrations, including tenant-to-tenant Microsoft 365 and Active Directory consolidations *...

Who We Are Vultr is on a mission to make high-performance cloud infrastructure easy to use, affordable, and locally accessible for enterprises and AI innovators around the world. With 32 global cloud data center locations, Vultr is trusted by hundreds of thousands of active customers across 185 countries for its flexible, scalable, global Cloud Compute, Cloud GPU, Bare Metal, and Cloud Storage solutions. In December 2024 Vultr announced an equity financing at a $3.5 billion valuation. Founded by David Aninowsky and self-funded for over a decade, Vultr has grown to become the world’s largest privately-held cloud infrastructure company. Join Vultr As a Data Centre Technician , you’ll be responsible for managing day-to-day support requests and ensuring the smooth operation of our data centre infrastructure located on-site in London. This is a 6-month contract role with potential for extension. Contractors will engage on an independent basis (Outside IR35) through...