1 to 25 of 139 Network Security 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 threat More ❯

Network Security Archtiect 6-month contract Market Rate - Outside IR35 Remote working ACTIVE SC CLEARANCE REQUIRED TO BE CONSIDERED About the Role We are seeking an experienced Network Security Architect to join our team, with responsibility for producing enterprise-grade designs, detailed technical documentation, and security control frameworks for core network environments. You will … play a key role in shaping the security architecture, ensuring robust protection for critical business systems, and providing occasional hands-on support for complex issues. This role will also require you to engage and collaborate closely with Security Assurance teams , ensuring designs, implementations, and processes meet the highest security standards. Candidates with prior experience in this area … will be highly regarded. Key Responsibilities Design and document Network Security Architectures , including high-level and low-level designs (LLDs) and technical diagrams. Define, implement, and articulate core network security controls to meet compliance and operational requirements. Liaise with Security Assurance teams to validate, review, and enhance security solutions. Collaborate with stakeholders to ensure More ❯

Overview We seek a highly skilled and experienced Senior Network Engineer to oversee and maintain our organization's global network infrastructure. As a Senior Network Engineer Manager, you will be responsible for designing, implementing, and managing our network systems to ensure efficient and reliable connectivity. You will also troubleshoot network issues, managing network security, and implementing network upgrades. The ideal candidate should possess strong technical knowledge, excellent problem-solving skills. The candidate must be able to support a Global 24x7 operation. Responsibilities To ensure optimal performance and reliability, develop and implement network designs, including topology, protocols, and network security measures. Regularly monitor network systems and proactively identify and … resolve network issues to minimize downtime and ensure smooth operations. Implement and maintain network security measures, such as firewalls, switches, routers, load balancers, intrusion detection systems, and access controls, to protect sensitive company data from unauthorized access and cyber threats. Assess network performance, identify areas for improvement, and plan and implement network upgrades and expansions More ❯

Senior Security Engineer (Product Security) Technology London New Senior Security Engineer (Product Security) London Ebury is a global fintech firm dedicated to empowering businesses to expand internationally through tailored and forward-thinking financial solutions. Since our founding in 2009, we've grown to a diverse team of over 1,700 professionals across 40+ offices and 29+ … contributions are valued. You'll play a key role in shaping the future of cross-border finance, while advancing your own career in a dynamic, high-growth industry. Senior Security Engineer London Office - Hybrid: 4 days in the office, 1 day working from home Role Overview We are seeking a Senior Security Engineer to embed security throughout … our product development lifecycle. You'll work directly with engineering teams to identify and mitigate security risks through threat modeling, secure code reviews, and integrated security tooling across our web and mobile applications. This role is critical to establishing our secure development practices, implementing industry-standard SSDLC processes, and ensuring our financial products are resilient against evolving threats. More ❯

Senior Security Consultant - Security Architecture About Bridewell One of the most exciting prospects in the UK cyber security sector today, Bridewell is a leading cyber security services company specialising in protecting and transforming critical business functions for some of the world's most trusted organisations. We are the trusted partner for operators of essential services and … provide end-to-end cyber security capabilities that help our clients overcome their security challenges, allowing them to operate safely and securely. Bridewell holds the Gold level, Investors in People award which we feel solidifies and reflects on the outstanding calibre that makes us truly one team. Who are we looking for? A passionate technology focused individual, with … an honest and empathic approach to customer conversations. You will have hands on experience in Security Architecture and Cloud Security and can deliver comprehensive and robust security solutions to different audiences. You will have owned, led and developed end to end solution architectures for projects which have high security requirements. What you'll be doing: This More ❯

Head of Information Security, Europe page is loaded Head of Information Security, Europe Apply locations London - 2 Gresham Street time type Full time posted on Posted 5 Days Ago job requisition id R-5246 The Head of Information Security, Europe reports directly to the Chief Information Security Officer, TMX Group and has a dotted line reporting … relationship to the Chief Technology Officer, Trayport. The Head of Information Security will be responsible for defining, implementing, and managing the organization's information security strategy and framework for Europe. This critical role involves overseeing all aspects of information security, including a strong focus on application security, ensuring compliance with ISO27001 standards, financial services regulations, and … other relevant legal and contractual requirements. As a senior leader of the Enterprise Information Security team, the role will also be accountable to provide information security oversight, through leadership and guidance across the TMX Group. The successful candidate will be a strategic leader with a strong technical background, including deep application security knowledge, and the ability to More ❯

Policy Expert - IT Network Security Engineer Are you ready to transform the insurance industry? Policy Expert is a forward-thinking business that loves to get things done. Leveraging proprietary technology and smart data, we offer reliable products and a wow customer experience. Having achieved rapid growth since being founded in 2011, we've won over 1.5 million customers … our technology environment, responsible for designing, implementing, and maintaining all foundational technology systems that support business operations. This includes managing networks, servers, data centres, cloud platforms, storage solutions, and security frameworks to ensure that systems are reliable, scalable, and secure Your day to day: As our IT Network Security Engineer, you will play a pivotal role in … ensuring the security and resilience of our IT network and the wider business. Working closely with cross-functional teams, you will design, implement, and manage the network systems across our cloud and on-premises environments, ensuring that our systems are robust, scalable, and aligned with industry best practices. Main Responsibilities: Manage and optimize the company's network More ❯

Reporting to the Head of Network & Operations, the Network Engineers are responsible for supporting the evolution of the company's Network from its current test lab environment at their datacenter through to the upcoming network deployment and the continuous expansion plan. The network, which is multi-vendor and white label, is at the leading edge … of next-generation network design and will inspire the imagination and curiosity of highly technical network engineers with previous experience as senior network engineers within an ISP or Carrier environment. Ideally, candidates will have significant network engineering experience to at least CCNP/JNCP level and will be striving for CIIE, within a carrier/ISP … environment. This role is probably not suitable for an Enterprise-based NW Engineer. The key deliverables for the Network Engineers will include: Taking engineering accountability for this innovative start-up's Next Generation ISP/Carrier network throughout its evolution. Handling day-to-day Network Management tasks such as troubleshooting network issues. Configuring network hardware More ❯

Description The Network Security Consultant will provide delivery leadership within the Professional Services consultancy team primarily aligned to clients in the USA region. This client-facing role includes the following responsibilities. Personal/General Maintain day to day records of project work to allow accurate billing and reporting of consultancy time; Maintain effective network of business contacts … within Verizon and their partner community; Maintain and grow their own knowledge to ensure this maintains fully relevant to the network security services practice and its clients; Have strong presentation and written/verbal communications skills at multiple levels of an organization; Have a minimum of 5+ years of network security consulting, design and delivery experience. … As a Network Security Consultant you will bring – Technical expertise with very strong skills in most of the technologies below: Firewalls: Checkpoint, Juniper, Palo Alto, Cisco ASA/FTD, Fortinet; Proxy Services: Bluecoat (forward/reverse proxy), Zscaler; Load Balancers: F5 (LTM/GTM); IDP/IPS: FirePower/Sourcefire IPS/IDS, McAfee Identity & Access Management: Cisco More ❯

An impressive multinational Telecoms business is looking for a Senior Security Engineer to join its team based in London. Please note, this role is hybrid so you will be required to work in the office 3 days per week. As a Senior Network Security Engineer, you will be responsible for designing, implementing, and managing security solutions … that protect a large and high-profile network infrastructure. You will work closely with the team to proactively improve network security (both on-prem and cloud), detect threats and maintain a strong systems defence posture. In order to be suitable for this role you must have proven experience of designing, configuring and maintaining network security solutions. You will be a hands-on technical expert with deep knowledge of network security, firewalls, and cloud security (AWS/Azure). CISSP and/or CCNP Security accreditation are expected, while previous experience in the Telco sector would be advantageous to your application. This is an outstanding opportunity for an accomplished Network More ❯

Manager - Principal Security Architect: Secure Design (IC) page is loaded Manager - Principal Security Architect: Secure Design (IC) Apply locations London, United Kingdom time type Full time posted on Posted Yesterday job requisition id R Security Architecture - Secure Design Team Role: Manager - Principal Security Architect: Secure Design (Individual Contributor) Grade: GG14 The Security Architecture Design team … is responsible for developing Security Architecture patterns, developing security controls needed for new technology, promoting the use of the architectural patterns into development projects, leading the Security Architecture Design Forum, Evaluating architectural security risks in existing systems, consulting with system development teams and architects on building security into their design. This key task of this … delivery of secure design artefacts and leading secure design interventions - by adding capacity and capability to the team. Reports to: Senior Manager - Secure Design Key Relationships Business Aligned Principal Security Architects CyberSecurity Engineering CyberSecurity Testing and Vulnerability Management Cloud Security Identity Management Security Architecture Design Forum (member) Project teams BISOs Key Responsibilities Develop Security Architecture Design 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 ❯

Gartner and Forrester, and our sustained, aggressive growth has landed Smarsh in the annual Inc. 5000 list of fastest-growing American companies since 2008. We're seeking a Product Security Engineer to support secure development across our engineering teams. In this hands-on role, you'll help identify and mitigate product risks by participating in security reviews, improving … tooling, and supporting vulnerability remediation. You'll work closely with senior security engineers and cross-functional teams to build security into our software development lifecycle. This is a great opportunity for a security-minded engineer who wants to grow their technical breadth while making meaningful impact in a cloud-first, DevOps-centric environment. You must be comfortable … in a dynamic, fast-paced environment. Collaboration across time zones and geographies is a key part of our culture and success. How will you contribute? Secure SDLC Integration: Embed security within the software development lifecycle, ensuring security is considered at every phase-from design to deployment. Threat Modeling & Security Design Reviews: Conduct structured threat modeling and security More ❯

Job summary LGT IT is seeking a dynamic individual to fill the role of Senior network Engineer. The post holder will be responsible for the management, configuration and efficiency of the day-to-day operation of Trust's Local Area Networks, Data Centre Networks, Wide Area Networks, WiFi Networks and Client/Server VMware environment, desktop equipment, mobile devices … and servers and will assist the Network Security Manager in the installation and implementation of all changes to the said environment The ideal candidate will possess postgraduate qualifications in IT and advanced certifications in HP/Cisco networking and have a substantial, proven track record in Data and VOIP, WAN , WiFi and cloud Network Management in a … to-day operation of Trusts's IT equipment, Local Area Networks, Wide Area Networks, WiFi Networks and VMware environment, desktop equipment, mobile devices and servers and will assist the Network Security Manager in the installation and implementation of all changes to the said environment. Working closely with the Network Security Manager, to ensure effective and efficient More ❯

to join us on the journey to elevate Everywhere Work? Why We Need You! As a Software Engineer at Ivanti, you will play a pivotal role in enhancing the security of our cutting-edge Network Security products. With a focus on quality, reliability, and scalability, you'll collaborate with a talented team of architects and engineers to … tackle complex security challenges. If you're passionate about working with networking protocols, programming in C++, and improving security practices in a dynamic AGILE environment, this role offers the opportunity to make a significant impact while advancing your career. Join us to be at the forefront of innovation in a company dedicated to securing digital assets worldwide. About … team is instrumental in developing Ivanti's purpose-built platform for CIOs and CISOs powered by Ivanti Neurons - a cloud-scale, hyperautomation layer that enables proactive healing, user-friendly security across the organization and provides an enhanced user experience. This department plays a pivotal role in shaping the company's growth trajectory through continuous innovation and customer-centric solutions. More ❯

and throughout all levels of the client organization, generating results that allow our clients to thrive. What You'll Do The Global Platform Team Lead and Senior Director - IT Network is responsible for driving the strategy, execution, and optimization of BCG's global network infrastructure across on-premises, cloud, and hybrid environments. This role ensures end-to-end … automation, high availability, security, and scalability of network services while integrating SD-WAN, cloud networking, and AI-driven automation to support global business operations. The leader will oversee next-generation network architecture, operations, and transformation, ensuring a seamless and high-performance connectivity experience. Key Responsibilities: Strategic Leadership & Transformation: Define and execute a modern network platform strategy … integrating cloud networking, software-defined networking (SDN), and AI-driven automation. Ensure end-to-end network automation to improve operational efficiency, agility, and reliability. Drive zero-trust network security principles, ensuring compliance and proactive threat mitigation. Establish a global observability and telemetry framework for real-time network insights. Align network strategies with business growth, cloud More ❯

Reports to: Network Security Engineering Team Lead Job purpose: To assist with a wide range of networking and security projects for our diverse range of mid-market and enterprise clients across finance, retail, manufacturing and technology. This role requires engagement in the full project lifecycle including design, deployment and handover-to-operations. Key interfaces: ITC Customers, Sales … Engineering, Operations Centre, PMO, Network Security Engineering, CTO The role will involve: Designing secure network solutions for customers based on sales proposals.Design work will encompass customer technical workshops, creation of high and low level design documentation, create and run POC to validate solution. Implementing secure network solutions for customers encompassing; Change preparation, creating and populating configuration … operational support. Managing competing pressures and workloads. Contribute to the knowledge resource, developing tool sets, guides and processes to improve the effectiveness of the team. Developing skills within the network security field and keeping up to date with the latest technology and developments. Become a subject matter expert on products and solutions within the team and wider organisation. More ❯

Home " Jobs " IT Security Engineering Manager The IT Security Engineering Manager is a global role within ION's central services division and will support the Group Security strategy and operational excellence through the identification, mitigation and remediation of information security risks to the business. This role reports to the Global Head of IT Security, who … reports to the Group Chief Information Security Officer (CISO). As a member of the ION Security team, the successful candidate will be responsible for managing the cybersecurity engineering team. This team are responsible for management, maintenance, support, tuning and improvement of technical security controls to protect ION's information technology (IT) systems and networks across the … group and will help ION evolve its technical security posture to keep up with the ever-changing security landscape and emerging threats. This role may require shift work in the support of a 24x7 globally coordinated operation. The IT Security Engineering Manager's other responsibilities include oversight and management of the MSSP and security vendor relationships More ❯

challenges. We are dedicated to consistently updating our job descriptions to ensure we continue to lead in banking innovation. How you will contribute and key responsibilities: As a Senior Security Engineer, you will be instrumental in designing and implementing security measures for our mobile applications, services, and websites to meet the highest security standards. Your expertise will … help us continuously analyse and improve our security systems, ensuring that our products and services are not only secure by design but also comply with internal and external regulatory requirements. Other responsibilities include: Security Analysis and Improvement: Continuously analyse our security systems for potential improvements, ensuring that our defences remain at the forefront of cybersecurity practices. Vulnerability … Management: Proactively identify, assess, and remediate security vulnerabilities to maintain the integrity and confidentiality of our customer data. Security Automation: Automate security processes and procedures to enhance efficiency and effectiveness, reducing the risk of human error. Security Requirements and Solutions: Identify, define, and document system security requirements, providing well-considered recommendations to management. Development of More ❯

Are you an experienced L3 Network Security Engineer looking for your next contract role? Join one of the world's leading IT services, consulting, and business solutions organization. Founded in 1968, the company consistently ranks among the top global IT service providers. With a presence in over 50 countries, the company has built a reputation for delivering high … world's largest airline groups with 600+ aircraft carrying more than 122 million customers to 260 destinations across 91 countries each year. They are currently seeking an experienced L3 Network Security Engineer to join the team on a 6-month contract based in West London. Ready to make a move? Get in touch and apply today! Key Responsibilities … networking issues. Configure and manage wireless infrastructure, ensuring optimal performance and security. Assist in the deployment and maintenance of F5 load balancers. Collaborate with cross-functional teams to support network upgrades, migrations, and performance tuning. Required Skills: Expert-level experience with Juniper routing and switching platforms (eg, MX, EX, SRX). Strong understanding of wireless networking (802.11 standards, WLAN More ❯

Network and Endpoint Security Pre-Sales Architect Location: London Please Note: Due to the nature of client work you will be undertaking, you will need to be willing to go through a Security Clearance process as part of this role, which requires 5+ years UK address history at the point of application. Accenture is a leading global … technology to each business challenge. We believe in inclusion and diversity and supporting the whole person. Our core values comprise of Stewardship, Best People, Client Value Creation, One Global Network, Respect for the Individual and Integrity. Year after year, Accenture is recognized worldwide not just for business performance but for inclusion and diversity too. "Across the globe, one thing … impact we have with our clients and with the communities in which we work and live. It is personal to all of us." - Julie Sweet, Accenture CEO As a Network and Endpoint Security Pre-Sales Architect, you will: Act as the technical lead in customer-facing engagements, translating complex security needs into effective solution architectures Design Zero More ❯

Job Role : Full Stack Network Engineer Duration : 6+ Months Contract - Inside IR35 Location : London, UK Working Mode: Onsite Job Description: We are seeking a highly skilled Full Stack Network Engineer to join our IT team. This role demands a deep understanding of both front-end and back-end networking technologies, encompassing the design, implementation, and maintenance of comprehensive … network infrastructures. The ideal candidate will be adept at solving complex networking challenges, ensuring optimal performance, security, and scalability of our network systems. Key Responsibilities • Design, implement, and manage network infrastructure including routers, switches, firewalls, and load balancers across various platforms. • Familiar with circuit ordering and DWDM deployments • Familiar with Nexus 7k/Cisco 6500 environments … to be used to identify business areas/stakeholders and used as a basis to produce a runbook for migration tasks . • Develop and maintain automation scripts to streamline network operations and ensure consistency across environments. • Collaborate with cross-functional teams to understand application requirements and translate them into network solutions. • Ensure network security by implementing More ❯

Policy Expert - Infrastructure Security Engineer Are you ready to transform the insurance industry? Policy Expert is a forward-thinking business that loves to get things done. Leveraging proprietary technology and smart data, we offer reliable products and a wow customer experience. Having achieved rapid growth since being founded in 2011, we've won over 1.5 million customers in Home … our technology environment, responsible for designing, implementing, and maintaining all foundational technology systems that support business operations. This includes managing networks, servers, data centres, cloud platforms, storage solutions, and security frameworks to ensure that systems are reliable, scalable, and secure. Your day to day: As our Infrastructure Security Engineer, you will play a pivotal role in ensuring the … security and resilience of our IT infrastructure. Working closely with cross-functional teams, you will design, implement, and manage security measures across our cloud and on-premises environments, ensuring that our systems are robust, scalable, and aligned with industry best practices. Your primary responsibility will be to protect the company's infrastructure from security threats while supporting More ❯

networking, messaging, and other services globally. Operating at a massive scale, AWS supports businesses of all sizes, from start-ups to enterprises, on its multi-tenant infrastructure. About Amazon Security Amazon Security values diverse experiences and encourages candidates to apply even if they do not meet all preferred qualifications. We believe in building a team with varied backgrounds … and skills. Why Join Amazon Security? Security is central to maintaining customer trust and delivering excellent experiences. Our organization creates and maintains high security standards across all Amazon products and services, offering talented professionals opportunities to grow in areas like cloud, devices, retail, entertainment, healthcare, operations, and physical stores. Inclusive Team Culture We foster a culture of … professionally and advance your career. Work/Life Balance We value flexibility and support work-life harmony to help you succeed both professionally and personally. Key Responsibilities As a Security Engineer, you will build and manage services to detect and mitigate cybersecurity threats across Amazon's infrastructure. You will collaborate with data scientists, software engineers, and other security More ❯

Cloud Security Engineer (Azure/GCP) - Contract Key Responsibilities Develop, implement, and manage cloud security policies and solutions for GCP and Azure environments. Configure and maintain security services and tools within Google Cloud Platform (e.g., Cloud IAM, Security Command Center, VPC Service Controls) and Azure/M365 (e.g., Azure Security Center, Azure AD, Microsoft Defender … for Cloud). Conduct regular security assessments, vulnerability scanning, and penetration testing of cloud infrastructure and applications. Monitor cloud environments for security threats, anomalies, and incidents, and lead incident response efforts. Collaborate with development, operations, and compliance teams to integrate security best practices into the CI/CD pipeline and ensure secure configurations. Develop and enforce security policies, standards, and guidelines for cloud services, ensuring alignment with regulatory requirements and internal security frameworks. Provide expertise and guidance on data protection, network security, and identity and access management within cloud platforms. Preferably, assess and enhance the security of Salesforce, including data security, access controls, and compliance. Desirable Qualifications: 6+ years of experience More ❯