4 senior network engineer jobs found in London

Join a global financial services organisation where your network security expertise will drive critical infrastructure transformation and shape the future of secure banking operations. Salary:  £600 - 650 per day Principal Network Security Consultant A Global Financial Services Organisation requires a Contract Principal Network Security Consultant with deep expertise across network security architecture, WAF, F5, firewalls, network segmentation, VPNs and legacy on-prem infrastructure. IR35 Status: Outside Day Rate: £600-£650pd Travel: 2 days a week in Central London Office Duration: Initial 6 months Responsibilities: Lead the refresh of the organisation's network security architecture and roadmap, providing senior technical direction across a complex, predominantly on-prem environment within a highly regulated banking/CNI setting Provide deep network security expertise across WAF, network segmentation, firewall...

Principal Network Security Consultant A Global Financial Services Organisation requires a Contract Principal Network Security Consultant with deep expertise across network security architecture, WAF, F5, firewalls, network segmentation, VPNs and Legacy on-prem infrastructure. IR35 Status: Outside Day Rate: £600-£650pd Travel: 2 days a week in Central London Office Duration: Initial 6 months Responsibilities: Lead the refresh of the organisation's network security architecture and roadmap, providing senior technical direction across a complex, predominantly on-prem environment within a highly regulated banking/CNI setting. Provide deep network security expertise across WAF, network segmentation, Firewall architecture and rule sets, VPN connectivity and Legacy network infrastructure, acting as a senior consultant rather than a hands-on engineer. Drive the ongoing uplift of the F5 environment, with strong experience across F5 technologies essential; exposure to Palo...

Senior Cloud Engineer - GCP/Kubernetes We are looking for a Senior Cloud Engineer to take ownership of the cloud infrastructure supporting a major new data platform. This is a hands-on contract role focused on GCP, Kubernetes, infrastructure as code, CI/CD and observability within secure, highly regulated environments. The Role You will desiHqagn, build and operate a distributed cloud platform spanning edge and central Kubernetes clusters. The environment uses a predominantly open-source technology stack, placing particular emphasis on networking, inter-cluster connectivity, platform security and deployment into restricted environments. You will work within an autonomous engineering team, establishing the infrastructure foundations that enable reliable and secure software delivery. Key responsibilities will include: Designing and operating secure, resilient infrastructure within Google Cloud. Building and managing production Kubernetes clusters using GKE. Supporting a...

DevOps Engineer - Platform Engineer - CAF 4 - CAF - AWS - 3 month contract - Paying up to £500 per day(Outside IR35) - Immediate starters Overview Supporting a well-known UK digital consumer brand on a critical engagement to evidence compliance with the CAF 4 framework. The role combines hands-on cloud security remediation with compliance documentation and stakeholder reporting, primarily across AWS with some GCP involvement. Key Responsibilities Assess current security controls and identify remediation needed to meet CAF 4 compliance objectives Implement changes across AWS infrastructure (and GCP where needed) - covering IAM, MFA, network segmentation, TLS/encryption, centralised logging, and backup/recovery Produce clear, audit-ready documentation and evidence to support compliance outcomes Work with internal teams and third-party suppliers to validate shared security responsibilities Provide weekly progress updates to senior stakeholders, including risks,...