11 of 11 Permanent Network Security Engineer Jobs in London

Job Overview: As a Network Security Engineering team member, the Senior Network Security Engineer will specialise in firewalls and routing. The ideal candidate is a flexible, self-motivated individual who excels at multitasking and thrives in a fast-paced, challenging environment. This self-starter will bring ingenuity and expertise to design, implement, and maintain secure … scalable, high-performing network solutions that connect on-premises and public cloud environments. The role emphasizes driving automation through Infrastructure-as-Code (IaC) and GitOps methodologies, ensuring optimal network performance, and integrating robust security measures. Responsibilities: Network Design and Implementation: Design and implement secure, scalable, and high-performing network solutions bridging on-premises and public … cloud environments. Leverage routing and switching expertise (e.g., BGP, OSPF, MPLS) to ensure network performance and reliability across diverse environments. Analyze operational needs and proactively develop creative network solutions to address security challenges. Security and Firewall Management: Manage firewall configurations for the CyberEnergianetwork based on operational requirements. Develop and implement network security tools, produce More ❯

Job Title: Senior Network Engineer Delivery & Migrations Location: England (Home based with client visits across England). Salary: Up to £55,000 basic salary plus great benefits package Sector: Consultancy/Solution Provider The Company Our client is a professional services consultancy who specialise in providing businesses with software defined solutions, network assurance, network automation and … interesting projects in both the public and private sectors. Technology Partners Cisco/Meraki VM Ware Palo Alto Fortinet Juniper Aruba/HPE Microsoft AWS Role Snapshot As Senior Network Security Engineer you be an integral member of the delivery and migrations team. The role will entail assisting with migrations, day-to-day delivery tasks and providing … looking to take a step up from a BAU role, with the ambition to widen their remit in projects and delivery. Key Responsibilities Assisting with delivery and migration of network, data centre and security solutions. Provide exceptional customer services. Contribute to knowledge centre and keep documentation up to date. Be willing to work in a vendor agnostic environment More ❯

In your role you will support complex network architectures by developing, designing, configuring, and implementing detailed network engineering strategies/solutions that meet and/or exceed capability, flexibility, scalability, performance, and reliability objectives for a variety of large projects, across multiple technologies, within technical area of expertise. You will also provide technical leadership to team/vendor …/contractor resources, ensuring viability of designs, flawless execution, and seamless transition into the production environment. Responsibilities: Independently perform highly complex assignments. Network design, architecture, management, and deployment of new and existing routing and switching within campus, cloud and data center networks. Lead proper execution of network changes & updates in accordance with corporate security policies to meet … business requirements. Responsible for network performance, as well as conformance to security hardening standards and assessment of CVEs. Ability to troubleshoot network-related issues in a logical manner and complete problem resolution management. Research, recommend, and establish innovative solutions for proper capacity planning that scale with the business growth. Where possible, introduce automation for daily routine administrative More ❯

and resilient technology solutions. Our team builds and maintains robust infrastructure that safeguards OpenAI's data and systems while ensuring employees are well-equipped and seamlessly connected. By prioritizing security, reliability, and user-centric solutions, we empower OpenAI employees to drive impactful AI research, corporate operations, and product innovation. About the Role As a Network Security Engineer at OpenAI, you will play a critical role in architecting and maintaining both campus and cloud network infrastructure. You will design and implement secure, scalable, and high-performing network solutions that bridge on-premises environments with public cloud environments. Your expertise in routing and switching will ensure optimal network performance and reliability across diverse environments. You … will drive automation initiatives through Infrastructure-as-Code (IaC) and GitOps methodologies, streamlining network provisioning, enforcing configuration consistency, and optimizing IT workflows. Your responsibilities will also include developing CI/CD pipelines tailored for IT infrastructure, enhancing deployment efficiency, and integrating robust network security measures. You will establish comprehensive observability and proactive issue resolution strategies. We are More ❯

Senior Network Engineer with Security and Cisco - City London Our Client urgently requires a Senior Network Engineer with heavy background in Network Security on Cisco and Microsoft. The security and support of the company's network is paramount. Predominately a support role (BAU) with design of scalable solutions deliverable through projects. … solutions from perimeter to DMZ roles -Support IPS deployment for Europeanbranches -Develop, maintain and deliver global standards to all networking devices -Remediate Penetration Test results -Ensure seamless migration of network estate to newly adopted security framework General Skills -Experience working within mission-critical environments -Experience in operational deployments -Datacentre cabling and racking of equipment Technical Skills you need … multi-layer switches and routers, including 6500s -CISCO certification, ideally CCNP -CISCO CSM -VLAN segregation -McAfee HIPS, Trend Micro -Centralised authentication service (AAA) -SafeNet Ethernet Encryptor -RADIUS/RSA -Security certification (advantageous) You will also need to an understanding of the following technologies: VLAN segregation. DMZ. VSS. Failover. OSPF. High availability. CISCO. Palo Alto. Juniper. McAfee IPS. SafeNet. Tripwire. More ❯

A fast-growing hedge fund is building its technology stack from the ground up and seeking a Cloud Network & Security Engineer to take ownership of its cloud networking and security infrastructure. As a Cloud-First, Multi-Cloud company leveraging AWS & Azure, they need an expert to design, secure, and optimize their cloud network architecture. This … is a unique opportunity to build and define the network for a cloud-first hedge fund. If you're a driven Network Engineer looking to make a real impact, apply now! Key Responsibilities: This is a blend of design, implementation, and support, giving you the chance to shape and build the network from scratch. You'll … be responsible for: Designing and delivering cloud-based and on-prem network and security solutions Working with Palo Alto Networks (essential), Cisco, or Arista Supporting a multi-cloud (AWS & Azure) and on-prem data center environment Collaborating with the Senior Technology stake-holders to define and implement best practices Helping build low-latency and high-performance networking (HFT More ❯

Network Engineer London £65,000 pa 3 days in the office My client, an internationally renowned media organisation, are looking for a Network Engineer to join their IT infrastructure team, to be responsible for the network infrastructure. This role involves ensuring the stability and availability of network infrastructure, including conducting failover tests and disaster … recovery procedures. Responsibilities encompass network security, monitoring, and reporting, alongside implementing best practices for configurations such as firewall settings. The position requires active participation in network team projects and troubleshooting technical issues across various technologies, collaborating with internal stakeholders and third parties to resolve escalated problems. Additionally, the role includes advising on infrastructure projects, recommending and implementing More ❯

and throw yourself in the deep end of tech. Within this role, you will report to the Head of security. You will play a senior role within the London network security team responsible for managing the entire infrastructure and networks. You will be able to bring your expertise to the table and work in a shared engineering environment. … This is a fantastic opportunity to join a cutting-edge trading and technology firm that pushes the boundaries of innovation in global markets and offers an environment where a Network Security Engineer can thrive. You'll have the opportunity to work on high-impact projects, protecting the infrastructure that powers industry-leading trading strategies. If you're … passionate about security and want to contribute to a company at the forefront of both finance and technology, this role offers the perfect blend of challenge and opportunity Responsibilities: Play the lead role with the network security team for London Gather requirements, implement solutions and support the global infrastructure Design configure and maintain Cisco ISE Automate security More ❯

Security Engineer Remote with occasional trave to their London office 10 - 12 month contract - starting in August Inside IR35 £450 - £475pd iO are working with an established and successful Consultancy in their search for an experienced Network Security Engineer They have a global presence providing expertise in Cloud, Security and Networking. They provide services … from Strategy and design through to implementation and support This position is critical for designing, implementing, managing, and optimizing the organization's complex network infrastructure, ensuring its stability, security, and scalability, particularly during critical transition and integration phases To be considered for this role you must have experience in the following: Palo Alto Networks Firewalls/Global Protect …/decryption/DLP Fortinet Juniper Routers/Firewalls Good with knowledge of network automations and infrastructure as code Terraform, Ansible and Git Interested in hearing more? Please get in touch with Rebecca Long on/ More ❯

Cyber Security Engineer/Network Engineer who has experience working in cyber security, system engineering, or a similar role, with hands-on knowledge of security tools such as anti-malware, content filtering, SIEM and threat detection solutions is required to join our team at a well-established charity. SALARY: £45,000 - £48,000 per … JOB TYPE: Full-Time, Permanent WORKING HOURS: 35 Hours per Week, Monday - Friday, 9:00am - 5:00pm JOB OVERVIEW We have a fantastic new job opportunity for a Cyber Security Engineer/Network Engineer who has experience working in cyber security, system engineering, or a similar role, with hands-on knowledge of security tools … such as anti-malware, content filtering, SIEM and threat detection solutions. Working as the Cyber Security Engineer/Network Engineer which the organisation calls a Security Engineer, you'll be at the frontline of the cyber defence, working closely with the Security Operations Manager to monitor, maintain and enhance security tools and More ❯

Opticore IT is a specialist Network Engineer and Project Management consultancy offering a wide variety of opportunities to work within fast-paced, challenging environments across our client base spanning multiple sectors including Finance, Broadcast Media, Telecommunications, and more. Opticore IT is currently searching for a Senior Network Security Engineer to support our client in a … critical migration project from a cloud-based proxy solution (Netskope) to an on-premise proxy infrastructure. This role requires deep technical expertise in proxy technologies, a solid security mindset, and familiarity with automation practices. You will join our excellent team, based in the London area, on an initial 6-month contract, inside IR35, with scope to extend . The … efficient traffic control. Configuring and managing advanced features such as SSL inspection, re-termination, web sockets, and custom policy creation. Ensuring granular control over web traffic and enforcing enterprise security standards. Providing strategic guidance on multi-product proxy environments, identifying potential compatibility or integration challenges. Supporting automation of policy deployment and configuration tasks where feasible. Collaborating with stakeholders to More ❯