51 to 75 of 139 Network Security Jobs in London

Application Security Engineer, SDO AppSec EMEA Job ID: Amazon Development Centre (London) Limited 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. As a Security Engineer, you will collaborate with software development teams to ensure we keep our customers safe while developing these novel services. In a given day, you might be inspecting an application's code … for security issues, building a new framework to help our software developers build faster and more securely, or fine-tuning the design for a new service alongside its software developers. The ideal candidate combines technical acumen with an ability to lead by influence and communicate clearly. Technically, this person will be a security generalist with one or more More ❯

Senior Security Engineer - Build, Secure, and Scale in a Cloud-Native Environment Location: Hybrid (UK-based) Salary: Competitive + Excellent Benefits Employment Type: Full-time, Permanent Are you a seasoned Security Engineer with a passion for protecting infrastructure at scale? A rapidly growing technology-driven organisation is looking for a Senior Security Engineer to play a pivotal … You'll join a high-performing Platform Engineering team, working alongside cloud specialists, DevOps professionals, and software engineers to build secure, scalable platforms. This is more than a pure security role - it's an opportunity to be hands-on in architecture, engineering, and compliance, while leading the charge on modern, cloud-first security strategy. Responsibilties: Designing and implementing … robust security policies, controls, and infrastructure protection strategies. Leading vulnerability management efforts, penetration testing, and remediation plans. Monitoring and investigating security events, managing incident response processes end-to-end. Ensuring compliance with security standards such as ISO 27001 and supporting audits and certifications. Collaborating across teams to embed security into the core of platform and product More ❯

Microsoft Azure Lead Software Security Engineer with Development Background, .NET, Microsoft Stack Developer, DevSecOps, CISSP, CEH, CSSLP, Mainly Remote Software Security Engineer Lead is required to work for a fast-growing and exciting company based in Central London. However, this will mainly be remote and the expectation is to go into the office circa twice a week. Please … Consultant or even a good old fashioned Unix/Linux Systems Administrator. We want someone with a development/some form of coding background who has blossomed into Software Security/Cloud Security engineer. We NEED for you to have strong Azure skills, NOT AWSalthough a blend would be acceptable. Rather than someone from a bog-standard IT … Operations, Network Security or Security Infrastructure background, we NEED you to have come from a Development background and you MUST have a good grounding within Software Development as you will mainly working with Developers and need to be able speak their language and develop trust with them. This role was very successfully introduced into this company More ❯

Development to embed the mindset of accountability across the development lifecycle. Secure First : The Associate actively promotes and ensures engineering activities are fully aligned with EBRD Cyber and IT Security policies and procedures, and works to embed a DevSecOps culture and working practices. Working closely with IT security, engineering peers and architecture, the role will ensure that key … security controls, toolchain automation, and risk/threat analysis is carried out at every stage of the work done by the team. Drives User Experience : The Associate ensures that services which are being developed and supported are based on user needs, which are captured in user stories and acceptance criteria. This helps keep users at the centre of engineering … efforts, and enables teams to align with established user journeys and user experience goals, in support of business requirements. Knowledge, Skills, Experience & Qualifications Education and Qualifications Networks -Network Security Technology experience in this area includes but is not limited to: Perimeter Security, including firewalls, intrusion detection/prevention (IDS/IPS), anti-malware and threat prevention (Check More ❯

where you will be making an impact on the financial lives of thousands of savers. We're regulated by the Financial Conduct Authority in the UK. As a Senior Security Engineer, you will play a key role in protecting our systems, networks, and data while ensuring compliance with industry leading security standards such as ISO 27001. Your contributions … will be essential in maintaining customer trust and safeguarding critical information assets. This role sits within thePlatform Engineering Teamand requires a strong technical background, hands-on experience with security tools, and a collaborative mindset to work effectively across teams. The role will involveplatform engineering activities, contributing to the design, implementation, and optimisation of scalable infrastructure. If you're motivated … by solving complex problems in a dynamic, fast-paced environment, this position is for you. What you will do: Develop and implement proactive security strategies, policies, and procedures to protect our systems, networks, and data assets. Lead regular security assessments, including vulnerability scans and penetration tests, identifying risks and driving remediation efforts. Monitor infrastructure for security incidents More ❯

Presales (Network & Security) Business: Japanese IT Company Company Location: Central London Salary: Up to £48,000 Office working: 5 days/week All of the applicants must have an eligible visa for working in the UK. Job description: 1. Requirements Definition and Design: - Define customer requirements and translate them into technical solutions. - Create high-level and detailed designs … Product Development 4. Sales and Pre-sales Management 5. Project Leadership and Coordination Requirements: 1. Experience of customer facing role like Presales, sales, or consultant. 2. Knowledge:- Knowledge in network orsecurity products such as Cisco, Palo Alto, Fortinet, Zscaler, CrowdStrike, CATO and other equivalent vendors/service providers. 3. Knowledge of new technologies of Enterprise IT solutions such as More ❯

/year Description Job Title: Lead Solution Architect Location: Remote/Occasionally Bromley/Croydon Salary: £80,000 - £100,000 Must have or be eligible for UK Security Clearance. About the Role: We are looking for an experienced and highly skilled Solution Architect with expertise in cloud-based architectures to join our team. You will play a pivotal role … in designing, implementing, and overseeing advanced cloud infrastructure solutions for mission-critical systems. With extensive experience and deep knowledge of security architecture on cloud platforms, you will provide technical leadership and strategic direction in building scalable, secure, and resilient cloud-native systems based on AWS, Kubernetes, Kafka, microservices, Java, and event-driven design. Key Responsibilities Cloud Architecture Design: Lead … cloud-based systems and solutions, utilising AWS and modern architectural patterns such as microservices, event-driven architectures, and serverless computing to meet both current and future business needs. Cloud Security: Develop and implement robust security architectures for cloud solutions, ensuring data protection, regulatory compliance, and alignment with industry best practices (e.g., AWS IAM, encryption, VPC, security monitoring More ❯

Cyber Security Manager | Financial Services | Hybrid Do you want to be a driving force in my client's DFIR team? About the Role: As a Cyber Security Manager, you will be responsible for monitoring, analyzing, and improving the security posture of the organization. You will drive the maturity of security monitoring, incident response, and threat intelligence … capabilities, working closely with technical and business teams. Key Responsibilities: Develop and refine security monitoring controls and use-cases to detect threats and anomalies. Investigate security incidents, conduct forensics analysis, and manage incident response processes. Collaborate with independent penetration testing programs and support risk assessment processes. Implement and mature threat intelligence capabilities and integrate with security monitoring … frameworks. Develop and oversee vulnerability management programs, ensuring alignment with industry standards. Provide subject matter expertise on cyber security frameworks, including NIST, MITRE ATT&CK, and Kill Chain methodologies. About You: Proven experience in Cyber Security, with a focus on incident response, security monitoring, and threat intelligence. Strong knowledge of security technologies, including SIEM tools, network More ❯

Cyber Security Manager | Financial Services | Hybrid Do you want to be a driving force in my client's DFIR team? About the Role: As a Cyber Security Manager, you will be responsible for monitoring, analyzing, and improving the security posture of the organization. You will drive the maturity of security monitoring, incident response, and threat intelligence … capabilities, working closely with technical and business teams. Key Responsibilities: Develop and refine security monitoring controls and use-cases to detect threats and anomalies. Investigate security incidents, conduct forensics analysis, and manage incident response processes. Collaborate with independent penetration testing programs and support risk assessment processes. Implement and mature threat intelligence capabilities and integrate with security monitoring … frameworks. Develop and oversee vulnerability management programs, ensuring alignment with industry standards. Provide subject matter expertise on cyber security frameworks, including NIST, MITRE ATT&CK, and Kill Chain methodologies. About You: Proven experience in Cyber Security, with a focus on incident response, security monitoring, and threat intelligence. Strong knowledge of security technologies, including SIEM tools, network More ❯

CYBER SECURITY ANALYST | SECURITY OPERATIONS CENTER |HIGH THREAT GOVERNMENT Summer-Browning Associates is supporting our client in the Central Government who is seeking a Cyber Security Analyst for an initial 12-month assignment, with the possibility of extension. Location: London | Hybrid| Remote The ideal candidates will possess an active DV Security clearance and have a solid … background in Cyber Security, with the following skills and experience: Proficiency in Security Information and Event Management (SIEM), including tools such as Splunk, Defender, and Tenable Threat Modelling System solutions, as well as with IDS/IPS and vulnerability scanners. Experience in SOC operations, incident response, and forensic analysis. Ability to perform triage of security events to … determine their scope, priority, and impact, while making recommendations for efficient remediation. Experience in network security principles, firewalls, and access control mechanisms. Preferred Qualifications: - Industry certifications such as CompTIA Security+, CISSP, CISM, CEH, or GIAC are highly desirable. To apply, please submit your latest CV for review. More ❯

Information Security Specialist We are seeking a permanent Information Security Specialist to join our prestigious Global Investment Bank client's team. This role involves a wide range of responsibilities including security operations, threat intelligence, incident response, and compliance tasks. The ideal candidate will have experience in IT infrastructure security, particularly within financial institutions, and a strong … understanding of various security platforms and standards. Required Skills & Qualifications: Experience in IT infrastructure security, preferably within financial institutions. Strong knowledge of endpoint protection, anti-virus, anti-malware, anti-ransomware, and encryption technologies. Proven experience in securing, auditing infrastructure components and configurations on virtualization platforms, Windows, and Linux. Working experience with network infrastructure components such as IPS … SIEM, WAFS, load balancers, proxies, and firewall management systems. Burpsuite and DevSecOps Solid understanding of incident management and forensics for security-related issues. Excellent documentation and communication skills, with the ability to communicate effectively with technical colleagues. Qualifications and Training (Good to Have): CISSP or other relevant certifications (e.g., Network+, Security+, MCSP, CNA). Day-to-day of the More ❯

An impressive multinational Telecoms business is looking for an accomplished Senior Information 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. In this role of significant responsibility, you will operate at the cutting edge of technology, protecting the business … from cyber threats. You will design, implement, and maintain security solutions that protect networks, systems, and data. You will identify vulnerabilities, harden systems, respond to threats, and ensure compliance with security best practices and industry standards, including ISO27001. In order to be suitable for this role you must have demonstrable hands-on expertise with monitoring and securing enterprise … class technology estates. You will have proven experience with Cyber Security best practice including the NIST Cloud Security guidelines. You will support ISO 27001 compliance and have strong documentation skills. Experience in the Telco sector and knowledge of the UK Telecom Security Act would be advantageous to your application, as would CISSP and/or CISM accreditation. More ❯

Centres, or our Derby office. Remote and Hybrid working options are offered and immediately available candidates, or candidates with a short notice period, are of particular interest. Due to security restrictions applicants must be a UK Citizen and be able to satisfy BPSS background screening. Candidates with SC clearance are preferred. This role will play a crucial part in … designing, implementing, and maintaining the core infrastructure that supports our business operations while ensuring the security and integrity of our systems and networks. The ideal candidate is a collaborative problem-solver with a passion for optimizing infrastructure performance and securing systems against cyber threats. What You Will Be Responsible For Infrastructure Design and Management: Design, deploy, and maintain high … performance, scalable, and secure IT infrastructure. Manage servers (physical and virtual), storage solutions, and cloud environments. Monitor and troubleshoot infrastructure-related issues to minimize downtime. Automate routine infrastructure and security tasks to improve efficiency. Networking: Manage and maintain networking infrastructure, including switches, routers, firewalls, and VPNs. Design and implement network architecture for both on-premises and cloud environments. More ❯

An impressive multinational Telecoms business is looking for a Senior Cyber 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. In this role of significant responsibility, you will operate at the cutting edge of technology, protecting the business from … cyber threats. You will design, implement, and maintain security solutions that monitor and protect networks, systems, and data. You will identify vulnerabilities, harden systems, respond to threats, and ensure compliance with security best practices and industry standards, including ISO27001. In order to be suitable for this role you must have demonstrable expertise with monitoring and securing enterprise class … technology estates. You will have proven experience with Cyber Security best practice including remediations for the MITRE ATT&CK Framework and NIST Cloud Security guidelines. You will support ISO 27001 compliance and have strong documentation skills. Experience in the Telco sector and knowledge of the UK Telecoms Security Act would be advantageous to your application. You will More ❯

Radius is seeking a Network Architect/Solution Consultant to lead the strategy, design and implementation of both internal and customer Network infrastructures. The role ensures delivery of secure, resilient, and scalable network services that meet evolving business and security standards while delivering related products and services across EMEA. Oversee design, implementation and continuous improvement of … Network architecture, driving innovation and scandalisation across the company. Act of my clients senior authority on network strategy, policy, and technical governance. Own network projects, including procurement, budgeting and security assessments Build manage and mentor a high performing network function CCNP, CCIE Deep understanding of Windows server, TCP/IP, routing, SANS, Active directory, firewalls … and system monitoring proven experience designing and managing resilient secure and high availability network environments supporting internal and customer services strong grasp of network security best practices and technologies including firewalls, segmentation, intrusion detection/prevention and encryption. More ❯

are on an exciting growth journey to become the UK's most loved retirement expert. Purpose At Just, our IT systems power business success and customer satisfaction. As a Network and Cloud Engineer, you'll ensure secure, seamless communication across the organization by managing our network and security platforms in a hybrid environment. Working within the Network … project work and operational support as part of the technology operations team, collaborating to deliver high-quality results. Manage both on-premises and cloud environments, requiring strong expertise in network security, data center, campus, and cloud networking. Administer and troubleshoot SD-WAN, load balancers, DHCP, DNS, routing protocols, and web proxy platforms. Partner closely with InfoSec to ensure … compliance with security best practices and regulatory requirements. Provide Level 2 and Level 3 network support within SLAs, owning incidents and delivering excellent service to internal and external customers. Lead proactive support efforts, including deploying patches, bug fixes, continuous improvements, and scheduled maintenance. Maintain detailed documentation of network designs, configurations, and troubleshooting processes for knowledge sharing and More ❯

are paramount to our success. Your Focus As a Senior DevOps/SRE/Platform Engineer, you will be a key technical leader responsible for the reliability, scalability, and security of the entire GEEIQ platform. You'll tackle our biggest infrastructure challenges, from scaling our Kubernetes clusters to maturing our observability stack and refining our deployment pipelines. We are … alerting framework using tools like Grafana, Prometheus, and native AWS services. Enhance our incident response processes, contribute to on-call rotations, and foster a culture of blameless post-mortems. Security & Governance Drive infrastructure security best practices across the board, playing a critical role in our journey towards SOC2 compliance. Implement and manage security controls related to IAM … network security (VPCs, security groups), vulnerability scanning, and secrets management. Skills, Knowledge and Expertise Experience: Extensive hands-on experience in a DevOps, SRE, or Platform Engineering role, managing production systems in a cloud environment. Deep expertise with AWS and its core services (e.g., EKS, RDS, Lambda, EC2, S3, IAM, VPC). Proven, expert-level proficiency with Terraform More ❯

Interim AWS Security Architect - Financial Services Robert Half is recruiting on behalf of a global consulting firm for an experienced AWS Security Architect to become an associate for a global consulting firm on a large-scale cloud security programme for a major financial services organisation. The focus is on designing, building, and securing AWS applications, container platforms … and cloud network infrastructure in direct collaboration with AWS. Key Details: Start: ASAP (c. 2-week lead time for onboarding and paperwork) Location: Remote but may need a day flexibility in City of London Duration: 1 2-month contract strong likelihood of extension Rate: £600.00 p/day via PAYE ( PLUS 12.07% accrued holiday pay ) via PAYE with employer … fees Requirements: Must have experience working in financial services, ideally banking Deep experience in designing, building, and securing applications in AWS as a core role focus (not generalist cloud security) Expertise in container platform security, including EKS and use of service mesh Strong cloud network security background covering firewalling, network segmentation, VPC design , and Direct More ❯

The Role: The Vulnerability Management Analyst 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 vulnerabilities, misconfigurations and risks to the business. This role reports to the Vulnerability Management Manager who reports to the Global Head of IT … Security. As a member of the ION Security team, you will build and lead a team of Security professionals specialising in Vulnerability Management along with managing the partners and technology vendor deliverables and of course building and owning the strategy to deliver a world class Vulnerability Management program. The candidate must understand their role in the broader vulnerability … will regularly perform discovery scanning, risk/exposure assessments, mitigation support activities, continuous validation assessments, and lessons learned workshops and improvement projects to continuously improve our process across Group Security and all other Verticals. We are looking for a diligent, dedicated, creative and motivated individual. Excellent communication skills are a must, and the role holder will be expected to More ❯

Salary : £65,000 This is an opportunity for an engineer with 3+ years of commercial development experience to work on state of the art image processing, signal processing and network security applications to join an established team of C++ focused engineers working on classified projects. The role: Greenfield development of signal processing, image processing and network security More ❯

Salary : £65,000 This is an opportunity for an engineer with 3+ years of commercial development experience to work on state of the art image processing, signal processing and network security applications to join an established team of C++ focused engineers working on classified projects. The role: Greenfield development of signal processing, image processing and network security More ❯

JOB TITLE: Engineering Lead - Network Services LOCATION(S): London/Leeds/Manchester with travel required , as the Network Labs are spread across multiple hub locations HOURS: Full time WORKING PATTERN: Our work style is hybrid, which involves spending at least two days per week, or 40% of our time, at our locations noted above. WE WELCOME INTERNATIONAL … relevant Home Office criteria. We are please d to offer relocation support to international applicants who are successful in securing the role. About this Opportunity The Lloyds Banking Group Network is one of the largest networks in the UK, covering data centres, cloud services, offices, and branches across the UK, Europe, and India. Network Services Labs consists of … about 250 colleagues (permanent and partner) and manages an expenditure of £100m. The Network Labs are responsible for maintaining and transforming the networking infrastructure, software and ways of working. Our core technologies are: • Software Defined Networking using Cisco ACI and SDWAN • WIFI services including DNA centre, DNAC • Telephony services including Avaya, HUCS and ring central • Loading balancing services using More ❯

term C-suite relationships, leading large ticket deal cycles, and driving revenue growth in highly competitive markets? Are you well versed in the cybersecurity landscape, including threat intelligence, cloud security, network security, and compliance frameworks. Do you have a proven track record in consistently exceeding quotas and scaling go-to-market efforts in both established and emerging … plus euro quotas. Deep knowledge of cybersecurity domains including: Identity & Access Management Attack Surface Management Threat Intelligence & Digital Risk Protection Vulnerability Management Pen Testing & Red Teaming Strong understanding of security buyer personas and complex procurement processes. Excellent verbal, written, and presentation skills. A self-starter with a hunter mentality who is motivated by results. A strategic thinker who also More ❯

Step into your biggest career growth yet-alongside a team reshaping the cloud security landscape. At Aviatrix, you'll work on cutting-edge technology with teammates who challenge, support, and inspire you. We're building something transformational - and we're doing it together. No politics, no ego. Just smart people with a clear mission and room to grow. Be … Part of a Purpose That Truly Matters We're solving real challenges in cloud network security - and your work will make a direct, visible impact every day. Flexibility that Fuels Your Best Work We embrace flexible working environments to spark productivity, creativity, and balance. Grow Your Career in Every Direction Here, growth is constant. Whether in skills or … help you maintain a healthy work-life balance. "Aviatrix, the name for a female pilot - is a symbol of bold firsts. That spirit fuels our mission to redefine cloud network security, empower rising talent, and spark open, fearless conversations across teams." Chief Human Resources Officer At Aviatrix, our leaders lead with clarity, humility, and purpose. They create space More ❯

Work with the Architecture Team and the Development Teams to translate company needs into network infrastructure solutions that will suit those needs and requirements in terms of performance, resource usage, scalability, resilience and observability. The proposed solutions may include Core networking (routing and switching) using either ACI or Nexus traditional based networking, Cisco SDWAN, load balancing and firewall solutions. … the high level design (HLD) provided by the Architecture Team, work on the low level design (LLD) for the required solutions/projects. The LLD should describe how the network will be implemented, the detailed specification for each component and how they will be connected in order to meet the network functional and non-functional requirements. Additionally, needs … to take into account the requirements of the others operations teams. Understand the functional and non-functional requirements of the networking systems, including performance, scalability, availability and security requirements. Identify the hardware, software and components that will be required to support the networks. This may include switches, routers, next-gen firewalls, load balancers, management controllers like APIC, Identity service More ❯