14 network security engineer jobs found in London, greater london

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;...

DevOps Engineer - Platform Engineer - Security - CAF - CAF 4 - 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,...

Title: Security Engineer (F5 - Zscaler - Palto Alto) Location: Hybrid - vast majority of work is expected to be remote, however there may be occasional travel to customer sites UK Sites are Warwick , Wokingham , Corsham and Farnborough Duration: 6 months Rolling Contract OUTSIDE IR35 SC clearance required BPSS essential We are looking for an experienced Security Engineer Authority to support a major data centre network build programme . The role will provide senior technical ownership across the security infrastructure estate, including design, change, incident escalation, Firewall rule changes, documentation and life cycle management. Mandatory Skills Recent hands-on experience with F5 Recent hands-on experience with Zscaler Recent hands-on experience with Palo Alto Security infrastructure design and support HLD/LLD production Firewall rule base changes Incident escalation and vendor support Change management...

Senior Network Engineer - 12 month Day Rate Contract (Outside IR35) Location: London (hybrid working of 3 days per week in the office) Duration: Initial 12 months The role will be responsible for designing and implementing solutions that compliment a dynamic, always growing and evolving global network for one of the leading organizations in financial services. Although the core focus of this role will be to act as a Network Engineer with a solid understanding of Network & IT Infrastructure Fundamentals including protocols, switches, routers/firewalls, it will also include exposure to experience operating within Azure & AWS cloud tenants. You will design and manage the local and wide area networks of our organization to ensure maximum up time for our users. Key Responsibilities: - Develop secure, scalable, and highly available network architectures using technologies like VPNs, VPCs, virtual networks, and load balancers. - Provision, configure, and manage cloud-based...

Senior Network Engineer - 12 month Day Rate Contract (Outside IR35) Location: London (hybrid working of 3 days per week in the office) Duration: Initial 12 months The role will be responsible for designing and implementing solutions that compliment a dynamic, always growing and evolving global network for one of the leading organizations in financial services. Although the core focus of this role will be to act as a Network Engineer with a solid understanding of Network & IT Infrastructure Fundamentals including protocols, Switches, Routers/Firewalls, it will also include exposure to experience operating within Azure & AWS cloud tenants. You will design and manage the local and wide area networks of our organization to ensure maximum up time for our users. Key Responsibilities: - Develop secure, scalable, and highly available network architectures using technologies like VPNs, VPCs, virtual networks, and load balancers. - Provision, configure, and manage cloud-based...

DevSecOps Engineer - Platform Engineer - Security - 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,...

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...

Initial 6 months - Outside IR35 Contract Rate: Up to £400/day Hybrid: 3-day onsite a week Security Operations Engineer | Microsoft Security Technologies | Contract Outside IR35 Hybrid: 3-day onsite (Bank Station) OR Liverpool office Rate: £350-£400/day (Outside IR35) Contract Duration: Initial 6 months with a potential extension Industry: Highly Regulated Environment Job Summary: Seeking for a Security Operations Engineer to join one of our highly regulated client on a contract basis. you'll be responsible for monitoring, detecting, investigating, and responding to security threats across Microsoft and hybrid environments. you'll play a key role in safeguarding critical business systems through proactive threat hunting, incident response, detection engineering, and operational support of core security programmes. Key responsibilities: Investigate and respond to escalated security incidents and events Perform event-based and policy-based threat...

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...

AWS Solutions Architect Location: UK/Hybrid Type: Outside IR35 Contract | 6 months+ About the Opportunity Our client is a leading technology consultancy helping organisations accelerate their digital transformation journeys through cloud, automation, AI, and modern infrastructure solutions. They are seeking an experienced and certified AWS Solutions Architect to join a growing cloud practice, working across the full life cycle of client engagements, from early-stage solution design through to successful delivery. This role offers the opportunity to work with a diverse range of organisations across multiple sectors, helping them build secure, scalable, and resilient cloud environments. This position is ideal for someone who enjoys combining technical expertise with customer engagement and is comfortable moving between architecture design, strategic advisory work, and hands-on implementation. Key Responsibilities Collaborate with customers and internal...

Job Title: Project Manager - Network & Security Day Rate: £450 per day - Outside IR35 / Limited Company Duration: 6 months initially Location: Central London, near Bank Station - Fully onsite Start Date: ASAP Overview We are assisting a client in their requirement for an experienced Project Manager to lead the delivery of a Cisco network and security transformation programme. As Project Manager, you will take ownership of the end-to-end delivery, coordinating technical resources, stakeholders, third parties and business teams to ensure the migration is delivered successfully with minimal disruption to production services. Key Responsibilities Own and manage the project from initiation through design, build, migration, testing, cutover and handover into BAU. Develop and maintain the overall project plan, milestones, dependencies, RAID log and delivery schedule. Coordinate the deployment of the new Cisco Secure Firewall infrastructure, including FMC...

Job Title: Project Manager - Network & Security Day Rate: £450 per day - Outside IR35/Limited Company Duration: 6 months initially Location: Central London, near Bank Station - Fully onsite Start Date: ASAP Overview We are assisting a client in their requirement for an experienced Project Manager to lead the delivery of a Cisco network and security transformation programme. As Project Manager, you will take ownership of the end-to-end delivery, coordinating technical resources, stakeholders, third parties and business teams to ensure the migration is delivered successfully with minimal disruption to production services. Key Responsibilities Own and manage the project from initiation through design, build, migration, testing, cutover and handover into BAU. Develop and maintain the overall project plan, milestones, dependencies, RAID log and delivery schedule. Coordinate the deployment of the new Cisco Secure Firewall infrastructure, including FMC HA...

Job Title: Project Manager - Network & Security Day Rate: £450 per day - Outside IR35 / Limited Company Duration: 6 months initially Location: Central London, near Bank Station - Fully onsite Start Date: ASAP Overview We are assisting a client in their requirement for an experienced Project Manager to lead the delivery of a Cisco network and security transformation programme. As Project Manager, you will take ownership of the end-to-end delivery, coordinating technical resources, stakeholders, third parties and business teams to ensure the migration is delivered successfully with minimal disruption to production services. Key Responsibilities Own and manage the project from initiation through design, build, migration, testing, cutover and handover into BAU. Develop and maintain the overall project plan, milestones, dependencies, RAID log and delivery schedule. Coordinate the deployment of the new Cisco Secure Firewall...