1 to 25 of 95 Network Security Jobs in London

Job Title: Cybersecurity Architect Location: London, UK Type: Perm Role (Hybrid 2 days a week) RESPONSIBILITIES Design and implement secure network architectures including firewalls intrusion detection prevention systems and encryption technologies Adhere to enterprise governance review processes to deliver project goals deliverables Follow enterprise ITSM CMDB processes Monitor and analyze security s using Security Information and Event … Management SIEM tools and respond to security incidents in a timely and effective manner Collaborate with cross functional teams to develop and enforce identity and access management IAM policies and network access control NAC solutions Stay abreast of the latest security threats industry trends and best practices to proactively enhance the organization's network security posture Ensure compliance with relevant security regulations and standards and assist in audit processes as needed Conduct regular security assessments including penetration testing and vulnerability assessments to identify and remediate potential security risks ESSENTIAL EXPERIENCE 12 years of Proven experience in network security with a strong understanding of network security fundamentals encryption More ❯

Job Title: Cybersecurity Architect Location: London, UK Type: Perm Role (Hybrid 2 days a week) RESPONSIBILITIES Design and implement secure network architectures including firewalls intrusion detection prevention systems and encryption technologies Adhere to enterprise governance review processes to deliver project goals deliverables Follow enterprise ITSM CMDB processes Monitor and analyze security s using Security Information and Event … Management SIEM tools and respond to security incidents in a timely and effective manner Collaborate with cross functional teams to develop and enforce identity and access management IAM policies and network access control NAC solutions Stay abreast of the latest security threats industry trends and best practices to proactively enhance the organization's network security posture Ensure compliance with relevant security regulations and standards and assist in audit processes as needed Conduct regular security assessments including penetration testing and vulnerability assessments to identify and remediate potential security risks ESSENTIAL EXPERIENCE 12 years of Proven experience in network security with a strong understanding of network security fundamentals encryption More ❯

Job Title: Cybersecurity Architect Location: London, UK Type: Perm Role (Hybrid 2 days a week) RESPONSIBILITIES Design and implement secure network architectures including firewalls intrusion detection prevention systems and encryption technologies Adhere to enterprise governance review processes to deliver project goals deliverables Follow enterprise ITSM CMDB processes Monitor and analyze security s using Security Information and Event … Management SIEM tools and respond to security incidents in a timely and effective manner Collaborate with cross functional teams to develop and enforce identity and access management IAM policies and network access control NAC solutions Stay abreast of the latest security threats industry trends and best practices to proactively enhance the organization's network security posture Ensure compliance with relevant security regulations and standards and assist in audit processes as needed Conduct regular security assessments including penetration testing and vulnerability assessments to identify and remediate potential security risks ESSENTIAL EXPERIENCE 12 years of Proven experience in network security with a strong understanding of network security fundamentals encryption More ❯

Security Engineer, Incident Response , Security Incident Response Team (SIRT) Job ID: Amazon Development Centre Ireland Limited Amazon is seeking a qualified Security Engineer to join our innovative, high energy Information Security team. In this role you will work within the Amazon Security Incident Response Team (SIRT). SIRT Security Engineers respond to security events, conduct analysis of threats such as malware and intrusion attempts, and provide security services to safeguard highly sensitive data. They work hands-on with detection systems and vulnerability analysis tools to respond to potential threats to Amazon systems. SIRT Security Engineers are unique individuals prepared to relentlessly resolve security issues by gathering and analyzing event … data and conducting root-cause analysis. With your technical expertise, you will be solving security challenges at scale, working to protect the applications powering the most sophisticated e-commerce platform ever built. We value broad and deep technical knowledge, specifically in the fields of forensics, malware analysis, network security, application security, threat hunting, and threat intelligence. More ❯

Your new role - Permanent - ON SITE 5 Days per week. - UK Only The principal purpose of this job focusses on information security, cybersecurity and data security, including a wide scope, such as physical security of computer rooms, operating system level security of Windows and Linux, network security of firewall and other security devices … application security both development and testing phrase, terminal security, backup security, third party and supply chain security of IT service provider.Liaison with the Head Office, Security Operation Centre of Data Centre for implementing security policies, projects and security controls. Work with Internal Audit and other departments to execute penetration tests, cybersecurity risk self … assessment, ensure best practice and international baseline standards are in place and in line with local regulations.The ideal candidate will be responsible for managing information security systems, ensuring compliance with regulatory requirements, and conducting thorough security audits.You will be part of the IT committee and work closely with the risk and compliance team.Ideally, having a background in IT More ❯

Security Engineer II, AWS Global Services Security Job ID: Amazon Web Services EMEA SARL (Irish Branch) - G50 Global Services Security is looking for an Security Engineer to help validate that our customer-facing staff and hired consulting partners deliver services to the highest security standards. You will help validate that our services, applications, and websites … are designed and implemented to the highest security standards. You will build and automate security mechanisms that help us monitor and inspect the activities and deliverables created when we work hand-in-hand with our customers. You will be responsible for analyzing the security of applications and services, discovering and addressing security issues, building security … automation, and quickly reacting to new threat scenarios. You will have the opportunity to learn from, and be mentored by, those who are building and securing our services. A Security Engineer at AWS is expected to be strong in multiple domains and provide significant contributions to the teams within AWS Global Services, Security and to multiple groups throughout More ❯

Network Security Engineer – Contract Location: Fully Remote Rate: Up to £550 per day (Inside IR35) Duration: 6 Months About the Role We are seeking an experienced Network Security Engineer to join on a 6-month contract . This is a fully remote role, offering an opportunity to work on high-impact security projects and infrastructure … initiatives. You’ll be responsible for strengthening the security posture, managing critical systems, and mitigating risks across cloud and network environments. Key Responsibilities Manage, configure, and troubleshoot Palo Alto firewalls to ensure optimal security. Implement and maintain Azure security controls , including identity, networking, and monitoring solutions. Configure and manage Web Application Firewalls (WAFs) to protect against application … layer attacks. Conduct security audits , review findings, and produce comprehensive reports. Proactively mitigate vulnerabilities identified in security reports and assessments. Collaborate with cross-functional teams to ensure security best practices are followed. Stay up to date with emerging threats, vulnerabilities, and industry trends. Skills & Experience Required Proven experience as a Network Security Engineer or similar 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 ❯

Role: Security Analyst (Networks) Location: Uxbridge (Hybrid – 3 Days In-Office Weekly) Salary: £38,000 - £45,000 Network IT is recruiting for a Security Analyst (Networks) to join a leading institution in London. This permanent role is part of the Infrastructure & Operations Team , supporting and developing network infrastructure, services, and security operations.You’ll provide 3rd … line support, helping to design, implement, and maintain security network infrastructure to protect against cyber threats. Key Responsibilities: Act as a key reference point for network security , advising IT teams and stakeholders. Perform vulnerability assessments, audits, and continuous traffic monitoring for anomalies. Analyse and respond to security incidents, developing remediation and incident reports. Provide 2nd …/3rd line support for network services, ensuring smooth operation and timely resolutions. Contribute to the design, implementation, and improvement of network infrastructure. Lead on monitoring, alerting, and reporting tools for networks and applications. Support and embed security principles across teams through guidance and training. Participate in project and change management, providing expertise on network security More ❯

Network Security Engineer Zscaler (ZPA/ZIA) Location: London, UK (Hybrid 1 day onsite per week) Type: Contract (6 months) | Day Rate: £550 Inside IR35 (Negotiable) Start Date: ASAP About the Role Our client, a leading global organization, is seeking an experienced Network Security Engineer with deep hands-on expertise in Zscaler ZPA and ZIA to … join a global enterprise security transformation programme. The role will focus on designing, deploying, and managing secure cloud and on-premises access solutions, ensuring robust security posture and compliance across a large-scale hybrid environment. This is a high-impact technical role where you will work across infrastructure, cloud, and security teams to implement Zero Trust principles … optimise Zscaler integrations, and enhance resilience of enterprise networks. Key Responsibilities Design, deploy, and manage Zscaler ZPA & ZIA solutions across enterprise networks. Integrate Zscaler with IdPs, SIEM, and endpoint security platforms . Monitor and optimise policies, application segments, and access control rules . Troubleshoot issues across secure access, DNS filtering, SSL inspection, VPNs, and firewalls . Collaborate with IT More ❯

Senior Network Engineer – Contract £400 Circa PD (Inside IR35) 6 Months London or Oxford x 3 days PW An excellent opportunity has arisen with a brilliant life science company for an experienced Network Engineer. The Network Engineer will be responsible for the design, implementation, maintenance, and support of the organization's network infrastructure. This includes ensuring … network availability, performance, security, and scalability to meet the organization's needs. Role and Responsibilities: Design and implement network infrastructure including LANs, WANs, WLANs, VPNs, and other network devices. Configure and maintain network equipment such as routers, switches, firewalls, and load balancers. Monitor network performance and troubleshoot network issues, ensuring high availability and … reliability. Implement network security measures to protect data, systems, and networks from unauthorized access or breaches. Collaborate with other IT teams to integrate network infrastructure with other systems and applications. Evaluate and recommend new network technologies and solutions to improve efficiency, performance, and security. Develop and maintain network documentation, including network diagrams, configurations, and More ❯

Overview Our client a global, multi-strategy investment firm with over $21 billion in assets under management is seeking a highly skilled and motivated Network Engineer to join its London-based team for a 6 month contract. This is a hands-on engineering role with exposure to a wide range of technologies, offering the opportunity to shape the infrastructure … of a world-class trading environment. Responsibilities Design, implement, and maintain a multi-vendor, global network infrastructure. Manage firewall systems and enhance network security practices. Partner with technology and investment teams to deliver scalable, secure network solutions. Conduct network capacity planning and performance tuning. Define and enforce network security standards. Troubleshoot and resolve … complex network and security issues. Participate in 24/7 on-call support and out-of-hours maintenance. Ideal Candidate Profile Cultural Fit Self-driven and proactive with a strong desire to learn and grow. Passionate about network security or automation. Able to perform under pressure in a high-stakes, fast-paced environment. Comfortable working independently More ❯

Please follow us on WeChat to see all our Cantonese and Mandarin jobs, interview tips and London news: Please click for similar jobs Job Title: Mandarin Speaking IT Network Manager The Skills You'll Need: Fluent in Mandarin, IT Network system administration/Security working experience. Your New Salary: Depending on experience Office based Start: ASAP Working … hours : 35 hours Mandarin Speaking IT Network Manager - What You'll be Doing: Responsible for the daily operation and maintenance of network systems, carrying out routine works of network installation, upgrade, monitoring and change Lead IT network projects planning that includes but not limited to project budget, carrying out business requests analysis and control, proposing and … reviewing technical solutions Lead IT network projects implementation, including planning management, resource management, risk management and communication management, and monitoring of project delivery Responsible for the establishment and renewal of IT specifications related to network systems Propose implementation procedures to Management according to Head Office's policies and IT Centre's requirements Assess network systems security More ❯

Network & Security Engineer Professional Services - Central London (Hybrid) The Opportunity We're looking for an experienced Network & Security Engineer to join our Professional Services team, delivering high-impact networking and security projects for a wide range of mid-market and enterprise clients across finance, retail, manufacturing, and technology.You'll be hands-on across the full … to work with cutting-edge technology, sharpen your technical expertise, and play a key role in delivering secure, saleable, and innovative solutions. What You'll Be Doing Designing secure network solutions - running customer workshops, producing HLD/LLD documentation, and building POCs to validate solutions. Implementing solutions - preparing changes, building configuration templates, creating test scripts and deployment runbooks, and … developing tools, guides, and processes to strengthen the team's capability and mentoring junior engineers. Staying ahead of the curve - becoming a subject matter expert across key networking and security technologies while continuing your own professional development. What We're Looking For Strong customer-facing skills , with the ability to explain technical detail clearly and produce quality documentation. Organised More ❯

Network & Security Engineer Professional Services - Central London (Hybrid) The Opportunity We're looking for an experienced Network & Security Engineer to join our Professional Services team, delivering high-impact networking and security projects for a wide range of mid-market and enterprise clients across finance, retail, manufacturing, and technology. You'll be hands-on across the … to work with cutting-edge technology, sharpen your technical expertise, and play a key role in delivering secure, saleable, and innovative solutions. What You'll Be Doing Designing secure network solutions - running customer workshops, producing HLD/LLD documentation, and building POCs to validate solutions. Implementing solutions - preparing changes, building configuration templates, creating test scripts and deployment runbooks, and … developing tools, guides, and processes to strengthen the team's capability and mentoring junior engineers. Staying ahead of the curve - becoming a subject matter expert across key networking and security technologies while continuing your own professional development. What We're Looking For Strong customer-facing skills , with the ability to explain technical detail clearly and produce quality documentation. Organised More ❯

Job Summary: The Senior Security Engineer plays a pivotal role in strengthening our security posture across our corporate infrastructure and online platforms. Collaborating with security colleagues and wider IT and Digital teams you'll provide expertise and practical support to implement effective and optimised security controls. Your responsibilities will balance driving proactive security improvements to … our preventative controls, managing and optimising our SIEM platform and supporting security architecture reviews. Your role will also include opportunity to influence how we secure our games and back-end infrastructure. The role offers the opportunity to further develop a career in Cyber Security in an exciting, fast-moving industry. Key Deliverables: SIEM Management and Optimisation Lead the … management, administration and support of our SIEM platform and incident response environment, including general infrastructure and system administration. On-board, maintain and manage security log sources for our SIEM platform, including agent and policy deployment and creating ingest pipelines. Collaborate with security analysts to improve effectiveness of threat detection through creation and tuning of detection rules. Proactive Security More ❯

Senior Network Engineer/Lead Network Engineer (12 month Fixed Term Contract) 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/Lead Network Engineer to join the team on a 12 month … Term Contract in their London 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. - Administer and configure FortiGate Firewalls for advanced security measures and threat management. - Provide technical support and troubleshooting for Fortinet products, including FortiGate, FortiAnalyzer, FortiManager, and other related solutions - Monitor network performance, identify issues, and perform necessary troubleshooting to maintain optimal network health. - Develop and enforce network security policies, procedures, and standards to protect organisational assets. - Maintain, troubleshoot, and support Wireless LAN Controllers and More ❯

Your new company - Financial Services Your new role - Permanent - ON SITE 5 Days per week. - UK OnlyLiaison with the Head Office, Security Operation Centre of Data Centre for implementing security policies, projects and security controls. Work with Internal Audit and other departments to execute penetration tests, cybersecurity risk self-assessment, ensure best practice and international baseline standards … are in place and in line with local regulations.The ideal candidate will be responsible for managing information security systems, ensuring compliance with regulatory requirements, and conducting thorough security audits. You will be part of the IT committee and work closely with the risk and compliance team. Ideally, having a background in IT/Network security, progressing … into information security and cybersecurity with experience to achive cyber essentials. **Key Responsibilities:** - Develop, draught, implement, and maintain information security policies, procedures, and guidelines.- Conduct regular security audits and assessments to identify vulnerabilities and ensure compliance with industry standards ISO 27001 & Cyber Essentials.- SIEM & Vulnerability Management.- Monitor and respond to security incidents, conducting investigations and implementing More ❯

Network Architect 12 months Remote Active SC clearance required, eligible candidates will be considered Inside IR35 - Umbrella only Role Description: Network Architect responsible for key aspects of design, implementation and evolution of network architecture for the ESN programme. Role requires deep network technical expertise and strategic planning and leadership skills to ensure delivery of a mission … critical, robust, highly resilient, scalable, secure and high-performing network solution. Candidates need to work closely with the IBM Design Authority team, Data Center Infrastructure Supplier and Security Teams to align the overall network approach and delivery. Responsibilties: Network Architecture and Design for a mission critical system with on-prem network delivery Network Approach … and Delivery Management including inputting into programme plans Technology Leadership Security and Compliance Integration with Cloud based solutions Public Sector Standards and Compliance Team Leadership and Compliance Key Network High Level and Low-Level Design Documentation Required Skills: Proven track record in network architecture/engineering and network delivery on-prem and integration with Cloud solutions More ❯

runs a globally distributed environment, operating at massive levels of scale. Businesses, from start-ups to enterprises, run their operations and applications on AWS' multi-tenant infrastructure About Amazon Security Diverse Experiences Amazon Security values diverse experiences. Even if you do not meet all of the preferred qualifications and skills listed in the job description, we encourage candidates … to apply. If your career is just starting, hasn't followed a traditional path, or includes alternative experiences, don't let it stop you from applying. Why Amazon Security? At Amazon, security is central to maintaining customer trust and delivering delightful customer experiences. Our organization is responsible for creating and maintaining a high bar for security across … all of Amazon's products and services. We offer talented security professionals the chance to accelerate their careers with opportunities to build experience in a wide variety of areas including cloud, devices, retail, entertainment, healthcare, operations, and physical stores. Inclusive Team Culture In Amazon Security, it's in our nature to learn and be curious. Ongoing DEI events More ❯

Senior Network Engineer – Contract Location: Fully Remote Rate: Up to £450 per day (Inside IR35) Duration: 6 Months About the Role We are seeking an experienced Senior Network Engineer to join on a 6-month contract . This is a fully remote role, offering an opportunity to work on high-impact security projects and infrastructure initiatives. You … ll be responsible for strengthening the security posture, managing critical systems, and mitigating risks across cloud and network environments. Key Responsibilities Manage, configure, and troubleshoot Palo Alto firewalls to ensure optimal security. Implement and maintain Azure security controls , including identity, networking, and monitoring solutions. Configure and manage Web Application Firewalls (WAFs) to protect against application-layer attacks. … Conduct security audits , review findings, and produce comprehensive reports. Proactively mitigate vulnerabilities identified in security reports and assessments. Collaborate with cross-functional teams to ensure security best practices are followed. Stay up to date with emerging threats, vulnerabilities, and industry trends. Skills & Experience Required Proven experience as a Network & Security Engineer or similar role. Strong More ❯

levels of scale. Businesses, from start-ups to enterprises, run their operations and applications on AWS' multi-tenant infrastructure. You'll be part of a team of industry-leading security experts working with UK customers to operate and continuously improve industry-leading security programs and processes. This team manages the underlying security programs and processes for personnel … security, physical and logical accreditations, education, awareness and training, assurance, and cyber security. This position will have visibility at senior levels of government agencies, commercial institutions, and AWS including interaction with CISOs, CTOs, their staffs, and AWS senior leadership. In addition to a strong understanding of security technologies, tool development, offensive and defensive security tactics, and ideally … enjoy mentoring junior engineers, data scientists, and engineers from non-traditional backgrounds through one-on-one mentoring and thorough, but kind, code reviews. About the team Diverse Experiences Amazon Security values diverse experiences. Even if you do not meet all of the preferred qualifications and skills listed in the job description, we encourage candidates to apply. If your career More ❯

Cyber Security Lead DGH Recruitment are currently recruiting on behalf of a leading client in the professional services industry who require an Cyber Security Lead to join the firm in London. Key Responsibilities: * Monitor and analyse network traffic, systems, and logs for signs of unusual or malicious activity. * Conduct regular security assessments and audits to identify … vulnerabilities, risks, and potential areas for improvement. * Implement and maintain security tools and protocols, including firewalls, intrusion detection systems, and endpoint protection. * Investigate security incidents, respond to potential breaches, and document all relevant findings and actions. * Develop security policies, standards and best practices for the organisation. * Act as a technical SME and escalation point for operational network and security issues and project delivery teams. * Document and address the organisation's information security, cybersecurity architecture, and systems security engineering requirements - including new solutions through projects. * Managing relationships with security vendors & service providers. Key Skills: * Significant experience in a Security focused role. * Experience building, operating, and maintaining security systems. * Experience with firewalls More ❯

infrastructure. This role focuses on delivering secure, reliable, and high-performance connectivity for over 50,000 users and their devices through the implementation of VPN, SASE, and Zero-Trust Network Access (ZTNA) technologies. With a focus on automation, observability, and user experience, this position plays a vital role in ensuring seamless and secure connectivity across third-party, hybrid, and … environments. Key Responsibilities: Strategy & Architecture Leadership: Define and lead the strategy and roadmap for remote connectivity services, including VPNs, ZTNA, and SASE. Architect solutions that combine performance, resilience, and security using modern software-defined networking principles. Embed zero-trust principles and user-centric design into all remote connectivity services. Align remote connectivity architecture with broader enterprise network, security … touch deployment practices. Apply Site Reliability Engineering (SRE) principles to improve performance, availability, and troubleshooting. Establish observability practices across all access points with real-time metrics, logs, and telemetry. Security, Compliance & Governance: Ensure compliance with corporate security and privacy policies through proactive monitoring and enforcement. Partner with cyber and ISRM teams to integrate secure access into incident response More ❯