26 to 50 of 88 Network Security Jobs in London

Network Engineer, Zscaler London/Hybrid circa £100k (flex for the right candidate) + bonus + benefits We're seeking a highly motivated Network Engineer to join a financial services organisation operating in a secure, high-availability, enterprise environment. This role is ideal for a networking professional with … Zscaler as a key component of a Zero Trust/SASE strategy. You'll play a critical role in maintaining and enhancing a modern network architecture that supports a fast-paced, globally distributed business. Key Responsibilities: Support, configure, and maintain enterprise network infrastructure, including Routers, Switches, Firewalls, VPNs ...

Senior Network Engineer Hybrid This is a senior-level engineering role focused on enterprise network design, implementation, security and modernisation . The successful candidate will take ownership of complex infrastructure initiatives, working closely with architecture teams and senior stakeholders to deliver projects from concept through to full … strong technical leadership, hands-on engineering expertise, and the ability to manage multiple workstreams in a large, regulated enterprise environment. Key Responsibilities Implement new network and network security technologies as defined by enterprise architecture. Build, configure and test network infrastructure solutions across on-prem and cloud ...

Senior Network Engineer (Cisco ISE/Cisco WLC/Firewalls/SD-WAN) Hybrid working: 3 days per week required in the office. DGH Recruitment are currently recruiting on behalf of a leading global professional services firm who are looking for a Senior Network Engineer to join … office. The role will be Responsible for maintaining the existing LAN/WAN infrastructure as well as working on projects and Changes to the network infrastructure. Responsibilities: - Design, implement and manage complex network infrastructure using Cisco campus networking 9300 series and Cisco Nexus switches. - Configure and optimise Cisco ...

Security Architect Duration: 12 months Location: Hybrid/1 day PW on-site in Croydon Umbrella Only Due to the urgency and sensitivity of the work, active SC Clearance is mandatory. Responsibilities As a Security Architect, you will: Design and implement secure architectures across applications, platforms, and infrastructure … Define and apply security architecture patterns , including Zero Trust and defence-in-depth strategies Lead security design for cloud-based solutions (AWS, Azure, and/or GCP) Architect and govern identity and access management (IAM) , including authentication, authorisation, and privileged access Design secure network architectures covering encryption ...

Senior Security Analyst/Security Engineer London (City) | £80,000–£90,000 | PermanentIf you’re the kind of security engineer who can spot an active threat, contain it calmly, and then harden the environment so it doesn’t happen again — this role is built for you.We … hiring a hands-on Senior Security Analyst/Security Engineer to strengthen a Microsoft-centric security posture across detection, response, tooling, and infrastructure hardening. Not a one-lane SOC role. Not governance-heavy. This role blends incident response with security engineering and hardening and ideal ...

Lead Network Engineer – Cisco, Meraki & Azure Hybrid – 4 days in Central London £85k plus 20% bonus plus excellent benefits An established, fast-growing organisation is looking for a Lead Network Engineer to own the design and operation of its network infrastructure, this is across both on-prem … cloud environments. You’ll be the technical lead for network architecture, security and performance, working with Cisco/Meraki on-prem and Azure native networking in the cloud. The role Design, configure and maintain enterprise networks (Cisco & Meraki routers, switches, firewalls, Wi-Fi, VPN) Design and manage Azure ...

Network Security Architect London - hybrid 6 months - potential for extension Inside IR35 - Umbrella only Active SC clearance required Required Skills Must be a UK National with minimum 5 years unbroken residency SC Clearance Strong experience as: Network/Security Architect High-level designer Providing 3rd-line … support SME-level technical support Strong documentation & communication skills Experience mentoring and coaching SMEs Technical leadership in developing network solution blueprints Working knowledge of industry standards: ITU ETSI 3GPP ORAN Ability to operate across multiple telecom domains: 4G/LTE 5G Core IMS 3G/4G/ ...

Network Security Architect London - hybrid 6 months - potential for extension Inside IR35 - Umbrella only Active SC clearance required Required Skills Must be a UK National with minimum 5 years unbroken residency SC Clearance Strong experience as: Network/Security Architect High-level designer Providing 3rd-line ...

behaviours. We are feeding the world’s curiosity! Job Description Our vision for the role We are searching for an experienced Senior Cloud Infrastructure Security Engineer with an unquenchable thirst for automation and a passion for DevSecOps methodology. You'll be working with a team of other engineers … everything we deploy via Grafana, Prometheus, Graphite and ELK stacks. You will be someone that shares our values and ambitions and can bring security best practices and specific cloud security expertise to the party. You will additionally be the kind of person that is energised by complex challenges ...

Network & Security Specialist (Security-Focused) London (Moorgate) 4 days WFH per month Salary: Competitive Sponsorship: Not available VIQU have partnered with a globally recognised energy trading organisation operating within a highly regulated, security-critical environment click apply for full job details ...

Security Architect - SC Cleared - Inside IR35 Location : London - 1 day on-site Length: 12 Months Clearance : Active SC Clearance IR35: Inside Rate: £700 - £800 Start Date: ASAP (Pending Clearance) Sanderson G&D are seeking a Security Architect to join an exciting Cyber and Cloud Security programme … Public Sector. Essential Skills: Proven experience as a Security Architect Strong expertise in designing and implementing secure architectures across applications, platforms, and infrastructure. Solid understanding of security architecture patterns, zero trust principles, and Defence-in-depth strategies Experience designing security solutions in cloud environments (AWS, Azure ...

Cyber Security Trainer (Hourly/Associate) Contract Type Freelance/Associate/Part-time (Per Hour) Location Harrow (onsite) and/or Online (remote delivery) Pay Hourly rate between £12.85 and £16.50 per hour depending on experience Role Summary We are looking for an experienced and confident Cyber Security Trainer to deliver practical, learner-focused training. You will teach key cyber security concepts and employability-focused skills through interactive sessions, examples, and guided labs. Delivery will be from our Harrow venue and/or online depending on cohort requirements. This is an hourly role, ideal for trainers ...

Network Installation Engineer - Cisco London & Home Counties | £35,000-£45,000 DOE + vehicle + benefits We're looking for a hands-on Network Installation & Commissioning Engineer to join a leading home automation and AV integrator in London. This is a site-based role focused on deploying, configuring … commissioning Cisco-based network infrastructure for luxury residential and commercial projects. This is not an IT support or service desk role. You'll be on-site, physically installing and configuring networks, ensuring performance, reliability, and integration with client systems. The role You'll take ownership of network installations ...

Security Administrator 6 months London - hybrid Inside IR35 - Umbrella only Role overview: Palo Alto Networks expertise to support and enhance our security operations. Palo Alto Networks provides a comprehensive, AI-powered SASE (Secure Access Service Edge) solution known as Prisma SASE. It is designed to converge networking … security into a single cloud-delivered platform to support hybrid workforces and modern, distributed enterprises You will be responsible for the administration, configuration, policy management, monitoring, and optimisation of Palo Alto security controls, ensuring secure and resilient network operations across enterprise environments. This role is hands ...

Network Engineer - Global zScaler Implementation (Inside IR35) Location: Central London (3 days on-site, 2 days WFH)Contract: 6 months + likely extensionRate: Inside IR35Start: ASAP About the Role We're looking for a hands-on Network Engineer to support a major global zScaler rollout and contribute … high-level design or consultancy.You'll join a global technology team and play a key part in transforming and modernising the organisation's network and cloud security posture. Key Responsibilities 60% - zScaler Global Implementation Support and drive the global rollout of zScaler Internet Access (ZIA) and zScaler Private ...

Title: Senior Network Engineer (Network & Security Operations) Location: Home-Based (UK) Type: Full-Time, Permanent Salary: £45,000 + Benefits We are seeking an experienced Senior Network Engineer to join a growing network operations team, providing senior-level support across complex enterprise network and security environments click apply for full job details ...

Title: Senior Network Engineer (Network & Security Operations) Location: Hybrid London (Onsite 3 days per week) Type: Full-Time, Permanent Salary: £60,000 + Benefits We are seeking an experienced Senior Network Engineer to join a growing network operations team, providing senior-level support across complex … enterprise network and security environments click apply for full job details ...

experienced Network Engineer well versed with Cisco and Palo Alto? We are currently a seeking technically sound Senior Network Engineer to join a pivotal team supporting internal network infrastructures. This role is as rewarding as it is important with lots of opportunities for learning and development particularly … time but can also communicate effectively without being in the same room. Due to the nature of the team and the internal security aspects we would ideally be looking for someone who holds SC and NPPV2 clearances but would be open to receiving applications from individuals eligible ...

Network Engineer, Assoc Manager UK (London) Locations: London (must be willing to travel to client sites throughout the UK on an ad hoc basis) Salary: Competitive salary and package (Depending on level of experience) . Accenture are partnering with scaled UK AI compute pioneers to lead the charge … secure and on the most up-to-date high density compute stacks available. Any offer of employment is subject to satisfactory BPSS and SC security clearance which requires 5 years continuous UK address history (typically including no periods of 30 consecutive days or more spent outside ...

Lead Network Engineer Cisco, Meraki & Azure Hybrid 4 days in Central London £85k plus 20% bonus plus excellent benefits An established, fast-growing organisation is looking for a Lead Network Engineer to own the design and operation of its network infrastructure, this is across both on-prem … cloud environments. Youll be the technical lead for network architecture, security and performance, working with Cisco/Meraki on-prem and Azure native networking in the cloud. The role Design, configure and maintain enterprise networks (Cisco & Meraki routers, switches, firewalls, Wi-Fi, VPN) Design and manageAzure networking ...

Lead Network Engineer Cisco, Meraki & Azure Hybrid 4 days in Central London £85k plus 20% bonus plus excellent benefits An established, fast-growing organisation is looking for a Lead Network Engineer to own the design and operation of its network infrastructure, this is across both on-prem … everything you need to know about what this opportunity entails, as well as what is expected from applicants. Youll be the technical lead for network architecture, security and performance, working with Cisco/Meraki on-prem and Azure native networking in the cloud. The role Design, configure ...

Security Architect - Cloud (Azure & AWS) London Based onsite £85,000 A high profiled consultancy firm is looking for a Security Architect to design and implement robust security frameworks for major clients. you will act as the primary authority on cloud security. You will bridge the gap between … business strategy and technical execution, ensuring that every project is resilient, compliant, and cost-effective. Leading Security Design: Architecting secure infrastructure solutions for Azure and AWS environments. Risk & Vulnerability Management: Conducting deep-dive analyses and risk assessments to identify and mitigate integration issues. Strategic Planning: Developing hardware and software ...

Security Architect - Cloud (Azure & AWS) London Based onsite £85,000 A high profiled consultancy firm is looking for a Security Architect to design and implement robust security frameworks for major clients. you will act as the primary authority on cloud security. You will bridge the gap between … business strategy and technical execution, ensuring that every project is resilient, compliant, and cost-effective. Leading Security Design: Architecting secure infrastructure solutions for Azure and AWS environments. Risk & Vulnerability Management: Conducting deep-dive analyses and risk assessments to identify and mitigate integration issues. Strategic Planning: Developing hardware and software ...

completion We are looking for an experienced Infrastructure Engineer with deep Google Cloud Platform (GCP) networking expertise to design, build, automate, and operate cloud network services at scale. The role includes DNS as a Service offering, IP Address Management (IPAM), integrations with ServiceNow, FinOps automation (including tagging), Terraform-based … infrastructure as code, and policy as code for compliance. Youll partner with Operations, Security, FinOps, and Platform Engineering to deliver reliable, compliant, and cost-optimized cloud networking services. Key Responsibilities Network Design & Operations (GCP) Design, implement, and operate GCP networking: VPCs, subnets, routing (Cloud Router/ ...

Lead Network Engineer Cisco, Meraki & Azure Hybrid 4 days in Central London £85k plus 20% bonus plus excellent benefits An established, fast-growing organisation is looking for a Lead Network Engineer to own the design and operation of its network infrastructure, this is across both on-prem … everything you need to know about what this opportunity entails, as well as what is expected from applicants. Youll be the technical lead for network architecture, security and performance, working with Cisco/Meraki on-prem and Azure native networking in the cloud. The role Design, configure ...