10 network security engineer jobs found in London

London (Hybrid) £400 to £450/day Outside IR35 12-month contract Active SC Clearance required ASAP start iO Associates are looking for an experienced Cloud Network Engineer to support a major secure cloud transformation programme within the UK public sector. You'll play a key role in designing, implementing and managing networking for a Google Distributed Cloud (GDC) environment, helping deliver secure, resilient infrastructure for mission-critical services. Key Responsibilities Design and implement resilient cloud and hybrid network architectures. Configure secure site-to-site connectivity, VPNs and private interconnects. Manage VPCs, routing, peering and IP address management (IPAM). Deploy and maintain load balancing and private DNS solutions. Design and secure Kubernetes (GKE) networking, including network policies, private control planes and Istio Service Mesh. Monitor and troubleshoot network performance using flow logs and observability tooling. Essential...

Outside IR35 Role - London, Hybrid Senior Platform Engineer - Agentic AI, Infrastructure as Code building and operating an iternal Agentic AI Platform. Responsible for building new Workflow automation platform capabilities, keeping the platform operationally healthy, and maintaining the infrastructure-as-code and documentation that underpins it.  Build Implement new platform capabilities from architectural designs, translating security, governance, and infrastructure requirements into production-grade infrastructure-as-code Design and build the platform security and secrets management layer, ensuring all workloads operate with least-privilege credentials and certificates issued through a governed PKI hierarchyImplement and enforce security policy across the cluster using admission control, covering workload configuration, image standards, network traffic, and resource constraints Build and establish the platform observability stack, providing consistent log...

Outside IR35 Role - London, Hybrid Senior Platform Engineer - Agentic AI, Infrastructure as Code building and operating an iternal Agentic AI Platform. Responsible for building new Workflow automation platform capabilities, keeping the platform operationally healthy, and maintaining the infrastructure-as-code and documentation that underpins it. Build Implement new platform capabilities from architectural designs, translating security, governance, and infrastructure requirements into production-grade infrastructure-as-code Design and build the platform security and secrets management layer, ensuring all workloads operate with least-privilege credentials and certificates issued through a governed PKI hierarchyImplement and enforce security policy across the cluster using admission control, covering workload configuration, image standards, network traffic, and resource constraints Build and establish the platform observability stack, providing consistent log aggregation,...

This role is delivered within secure environments. Candidates must be eligible for UK SC and DV clearance and hold UK Citizenship. Opening: Join the Mission At ByDesign Secure, we believe that world-class security shouldn't be an afterthought—it should be the foundation. We are an independent, outputs-based consultancy dedicated to solving the most complex data assurance challenges in the UK public sector. Currently, we are working on a landmark transformation of a cross-government secure IT system. This is an exciting opportunity to help architect a private cloud environment from the ground up and modernize the end-user services that power national decision-making. We don't believe in ʺbilling by the hourʺ or rigid hierarchies; we are a lean, expert team focused on delivering high-impact technical outcomes. If you are a self-starter who thrives on autonomy and wants to see your engineering or architectural decisions shape the future of sovereign security, we want to talk to...

Initial 6 month contract Central London (2-3 days on-site per week) Up to £500/day (Outside IR35) Our client is seeking an experienced networking professional to join their technical team, playing a key role in delivering and implementing enterprise-grade network solutions across a complex and evolving infrastructure environment. This is an excellent opportunity to work on large-scale networking projects, supporting the design and delivery of secure, resilient, and high-performing network environments. you'll collaborate with architects and technical teams to bring network designs to life, working with leading technologies including Cisco Nexus, Meraki, Palo Alto, Fortinet, and SD-WAN solutions. Job Title: Network Engineer Job Type: Initial 6 month Contract Location: Hybrid (2-3 days on-site per week) Rate: Up to £500/day (outside IR35) The Role: Engineer and implement network solutions based on High-Level Designs (HLDs) and Low-Level Designs (LLDs)....

Senior Network Engineer sought for an initial 3-month contract by a leading local government organisation during a time of significant transformation. You will support a multi-site corporate network and will bring experience of Cisco ACI and Palo Alto firewalls. Candidates will demonstrate the following - Strong experience with Palo Alto Firewalls and Cisco ACI essential. Experience of working with voice and comms technologies. Experience of Cisco Meraki Experience of cloud services. Solid understanding of security protocols. Cisco CCNP or similar certification. Palo Alto certification a plus. Ability to articulate technical requirements from business and operational requirements. This is a fantastic opportunity to make a real difference to local services at a time of significant investment and transformation. The role is hybrid with 1-2 days per week in London. Outside IR35

Network Engineer / Network Designer £550 per day (Outside IR35) Initial 6 Month Contract London (Hybrid – 2-3 days per week) Overview We're looking for an experienced Network Engineer / Network Designer to join a major enterprise transformation programme delivering large-scale network and security projects across a complex hybrid infrastructure. This is a project-focused role with no BAU or operational support responsibilities. You'll play a key role in designing, implementing and documenting network changes across cloud and on-premise environments, working with a broad range of modern networking, security and automation technologies. This is an excellent opportunity to join a high-profile programme focused on network modernisation, cloud adoption and secure enterprise connectivity. Role & Responsibilities Produce High and Low Level Designs (HLDs/LLDs), network diagrams and technical documentation. Design and implement enterprise network...

Data Engineer - Quantexa Contract: 6 months Location: London (Hybrid or Remote) Daily rate: £500 outside IR35 Currently hold a Security Clearance or be eligible to obtain it . A leading global consultancy is seeking experienced Senior Data Engineers to join a major data transformation programme. This is an exciting opportunity for a Senior Data Engineer with strong Quantexa expertise to deliver enterprise-scale solutions across complex data environments, working on high-impact projects for well-known organisations. As a Senior Data Engineer , you'll play a key role in designing and implementing Quantexa solutions, developing scalable data pipelines, and collaborating with architects, technical leads, and client stakeholders to deliver robust, production-ready platforms. Responsibilities Design, build, and optimise Quantexa data ingestion pipelines using Scala, Spark, and Databricks Configure Quantexa components including Entity Resolution, Scoring, and...

Network Engineer £550 per day (Outside IR35) Initial 6 Month Contract London (Hybrid - 2 to 3 days per week) Overview We're looking for an experienced Network Engineer/Network Designer to join a major enterprise transformation programme delivering large-scale network and security projects across a complex hybrid infrastructure. This is a project-focused role with no BAU or operational support responsibilities. You'll play a key role in designing, implementing and documenting network changes across cloud and on-premise environments, working with a broad range of modern networking, security and automation technologies. This is an excellent opportunity to join a high-profile programme focused on network modernisation, cloud adoption and secure enterprise connectivity. Role & Responsibilities Produce High and Low Level Designs (HLDs/LLDs), network diagrams, and technical documentation. Design and implement enterprise network solutions across hybrid cloud and...

Network Engineer £550 per day (Outside IR35) Initial 6 Month Contract London (Hybrid - 2 to 3 days per week) Overview We 're looking for an experienced Network Engineer / Network Designer to join a major enterprise transformation programme delivering large-scale network and security projects across a complex hybrid infrastructure. This is a project-focused role with no BAU or operational support responsibilities. You 'll play a key role in designing, implementing and documenting network changes across cloud and on-premise environments, working with a broad range of modern networking, security and automation technologies. This is an excellent opportunity to join a high-profile programme focused on network modernisation, cloud adoption and secure enterprise connectivity. Role & Responsibilities Produce High and Low Level Designs (HLDs/LLDs), network diagrams, and technical documentation. Design and implement enterprise network...