1 to 25 of 325 Security Engineer Jobs in London

About the Role: We’re a leading Managed Service Provider (MSP) delivering cutting-edge IT and security solutions to businesses worldwide. Our mission is to protect digital assets through proactive security measures, advanced threat intelligence, and world-class support. Join a dynamic, innovation-driven team where your skills make a real impact. Your Mission: As a Cyber Security Engineer, you’ll take charge of designing and implementing advanced security systems, supporting clients in improving their security posture, and staying ahead of emerging cyber threats. You’ll play a crucial role in delivering technical excellence, leading customer engagements, and mentoring team members. Key Responsibilities: Design, implement, and manage enterprise-grade security solutions (firewalls, SIEM … IDS/IPS, endpoint protection, cloud security). Shape strategic security recommendations and collaborate on technical win plans. Maintain and update security policies, procedures, and incident response plans. Deliver security awareness training and advise clients on best practices. Support audits and compliance initiatives (ISO 27001, NIST, GDPR, etc.). Work cross-functionally with internal and external More ❯

About the Role: We’re a leading Managed Service Provider (MSP) delivering cutting-edge IT and security solutions to businesses worldwide. Our mission is to protect digital assets through proactive security measures, advanced threat intelligence, and world-class support. Join a dynamic, innovation-driven team where your skills make a real impact. Your Mission: As a Cyber Security Engineer, you’ll take charge of designing and implementing advanced security systems, supporting clients in improving their security posture, and staying ahead of emerging cyber threats. You’ll play a crucial role in delivering technical excellence, leading customer engagements, and mentoring team members. Key Responsibilities: Design, implement, and manage enterprise-grade security solutions (firewalls, SIEM … IDS/IPS, endpoint protection, cloud security). Shape strategic security recommendations and collaborate on technical win plans. Maintain and update security policies, procedures, and incident response plans. Deliver security awareness training and advise clients on best practices. Support audits and compliance initiatives (ISO 27001, NIST, GDPR, etc.). Work cross-functionally with internal and external More ❯

Job Title: Senior Cyber Security Engineer Job Ref: SCSE-443 Closing Date: 25th July 2025 Summary We are seeking a Senior Cyber Security Engineer to join our London-based team. This role is critical in safeguarding our IT infrastructure and ensuring the resilience of our systems. You will be responsible for implementing and maintaining security protocols, managing threat detection tools, and supporting the broader IT team in delivering secure and reliable services. You will play pivotal role in improving company security posture and internal best practices adoption. This is technical hands-on role. Senior Cyber Security Engineer will report to Director of Technology. Responsibilities Monitor, detect, respond, and manage security incidents across on-prem, cloud environments, and social media services, on multiple platforms and operating systems, Manage relationships and work closely with third-party cyber security service providers. Manage and optimize security tools, including endpoint protection, Microsoft Intune, Entra, Azure, and external detection and response tools. Conduct vulnerability assessments and coordinate patch management cycles. Collaborate with infrastructure More ❯

Job Title: Senior Cyber Security Engineer Job Ref: SCSE-443 Closing Date: 25th July 2025 Summary We are seeking a Senior Cyber Security Engineer to join our London-based team. This role is critical in safeguarding our IT infrastructure and ensuring the resilience of our systems. You will be responsible for implementing and maintaining security protocols, managing threat detection tools, and supporting the broader IT team in delivering secure and reliable services. You will play pivotal role in improving company security posture and internal best practices adoption. This is technical hands-on role. Senior Cyber Security Engineer will report to Director of Technology. Responsibilities Monitor, detect, respond, and manage security incidents across on-prem, cloud environments, and social media services, on multiple platforms and operating systems, Manage relationships and work closely with third-party cyber security service providers. Manage and optimize security tools, including endpoint protection, Microsoft Intune, Entra, Azure, and external detection and response tools. Conduct vulnerability assessments and coordinate patch management cycles. Collaborate with infrastructure 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 More ❯

Introduction Infinigate Group are a leading, global distributer, specialising in total cyber security solutions and services. With 4 UK offices based in London, Woking, South Cerney and Fareham, we take pride in providing unrivalled support and value for our vendor and reseller partner communities. Our team at Infinigate consists of IT security experts as well as highly skilled … we adopt a flat hierarchy, high performing teams, efficient decision-making processes and a nurturing and learning environment which rewards performance. Role Purpose Infinigate are seeking an ambitious Cyber Security Engineer to join their UK IT Security team. This new role within the business has been designed in response to business growth demands and to offer career … candidate within an fast accelerating industry and company. To be successful in this role, you will wield a broad range of skills and deep understanding within Cloud network and security architecture (Azure), and excellent communication and stakeholder management skills. This role will see you taking ownership of for the delivery of security solutions within the group to support More ❯

Introduction Infinigate Group are a leading, global distributer, specialising in total cyber security solutions and services. With 4 UK offices based in London, Woking, South Cerney and Fareham, we take pride in providing unrivalled support and value for our vendor and reseller partner communities. Our team at Infinigate consists of IT security experts as well as highly skilled … we adopt a flat hierarchy, high performing teams, efficient decision-making processes and a nurturing and learning environment which rewards performance. Role Purpose Infinigate are seeking an ambitious Cyber Security Engineer to join their UK IT Security team. This new role within the business has been designed in response to business growth demands and to offer career … candidate within an fast accelerating industry and company. To be successful in this role, you will wield a broad range of skills and deep understanding within Cloud network and security architecture (Azure), and excellent communication and stakeholder management skills. This role will see you taking ownership of for the delivery of security solutions within the group to support 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 More ❯

Job Title: Senior Security Engineer Manager: CISO Department: Cyber Security Division: Enterprise Information Technology Services Location: London, Hybrid Main Purpose: The MDU is undertaking an exciting digital transformation programme and to support this the Cyber Security Team is looking to appoint a Senior Security Engineer. Working closely with delivery teams covering strategic and non-strategic … change this role will provide subject matter expertise to keep the MDU, its data and, its member safe from cyber security threats. The Senior Security Engineer will be responsible for the delivery of security technologies in a range of projects and will therefore: Have a strong cyber security engineering or professional services background with experience … of delivering both large-scale and small-scale projects to a high quality in a fast-paced environment. Have a good practical knowledge of both traditional security technologies and modern security tooling to allow support of both the existing and new environments during the digital transformation. Have a proven track record of working in cross functional teams to More ❯

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 … 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 models, and assess risks around existing configurations. Provide subject matter More ❯

Senior Cloud Security Engineer Department: Engineering Employment Type: Permanent - Full Time Location: London Reporting To: Sami Eltamawy Compensation: £80,000 - £90,000/year Description London, office-based Freetrade's mission is to become the default place to invest. Investing has been too complicated and expensive for too long, keeping millions from making the most of their savings. … an even better experience for our customers. We're on a mission to build a secure, scalable, and resilient cloud infrastructure-and we're looking for a Senior Cloud Security Engineer to lead the way. In this foundational role, you'll architect and build our cloud security program from the ground up, helping to shape how we … protect our systems, services, and users in an ever-evolving digital landscape. You'll work closely with our DevOps and Platform teams to integrate security deeply into our development and deployment pipelines. This is your chance to define the standards, select the tools, and create the practices that will safeguard our cloud ecosystem now and into the future. If 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 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 More ❯

Role Overview: We are seeking an experienced Network Security Engineer with deep technical expertise in identifying, prioritizing, and remediating network vulnerabilities, including zero-day threats , across hybrid environments. The ideal candidate will have a strong security mindset , hands-on experience with vulnerability management tools , and the ability to harden infrastructure using best practices and industry standards. Key … 1.3 is implemented for encrypted communications. Apply hardening techniques across firewalls, routers, and switches based on CIS Benchmarks , NIST standards , and industry best practices. Configure and maintain robust network security controls such as: ACLs (Access Control Lists) VLAN segmentation DMZ configurations Micro-segmentation for zero trust environments Secure and limit access to network management interfaces by applying least-privilege … principles . Design and enforce segmentation and egress control within hybrid and cloud environments to mitigate lateral movement risks. Maintain security for cloud network architectures , including: AWS VPCs, Security Groups Azure NSGs GCP Firewall Rules Support security incident response by investigating and remediating network-level threats and anomalies. Collaborate with penetration testing and vulnerability scanning teams to More ❯

About the Role: We are seeking a skilled Network Security Engineer to join our team in Middlesex. You will play a critical role in identifying, prioritizing, and remediating vulnerabilities across hybrid network environments—spanning on-premises, cloud, and SD-WAN infrastructures. This role demands a proactive, hands-on professional with a strong security mindset and deep technical … SNMPv1 with SSH/SNMPv3). Apply hardening standards using CIS Benchmarks , NIST guidelines , and industry best practices to secure routers, switches, and firewalls. Configure and maintain key network security controls such as ACLs , VLANs , DMZs , and micro-segmentation strategies. Secure network equipment management interfaces through least-privilege access and strong encryption (e.g., TLS 1.2/1.3 ). Design … Partner with GRC and compliance teams to align network controls with standards such as PCI-DSS , ISO 27001 , etc. Requirements: Technical Skills & Experience: 5+ years of experience in network security engineering roles. Strong hands-on expertise with hybrid networks , including on-prem , cloud , and SD-WAN environments. Solid understanding of network protocols , firewalls , IDS/IPS , routing , switching , and More ❯

The Role Embed security best practices within the SDLC, collaborating with developers to ensure secure coding. Conduct security assessments, identify potential threats, and mitigate risks in web and mobile applications. Perform application security testing (SAST, DAST) and manual security code reviews. Implement and manage security tools such as SAST, DAST, SCA, and CI/CD … security integrations. Investigate security incidents, prioritise remediation and guide teams on secure development practices. Ensure applications meet industry standards (OWASP Top 10, NIST, ISO 27001) and regulatory requirements (GDPR, PCI-DSS, etc.) Educate engineers and stakeholders on security threats, vulnerabilities and secure coding practices. Skills 5+ years of experience in application security, penetration testing, or software … security engineering. Strong knowledge of secure coding principles in one or more languages (e.g., Python, Java, JavaScript, Go, .NET). Hands-on experience with SAST, DAST, SCA and security automation in CI/CD pipelines. Familiarity with cloud security (AWS, Azure, GCP) and container security (Docker, Kubernetes). Knowledge of OWASP Top 10, CWE, CVSS, MITRE More ❯

The Role Embed security best practices within the SDLC, collaborating with developers to ensure secure coding. Conduct security assessments, identify potential threats, and mitigate risks in web and mobile applications. Perform application security testing (SAST, DAST) and manual security code reviews. Implement and manage security tools such as SAST, DAST, SCA, and CI/CD … security integrations. Investigate security incidents, prioritise remediation and guide teams on secure development practices. Ensure applications meet industry standards (OWASP Top 10, NIST, ISO 27001) and regulatory requirements (GDPR, PCI-DSS, etc.) Educate engineers and stakeholders on security threats, vulnerabilities and secure coding practices. Skills 5+ years of experience in application security, penetration testing, or software … security engineering. Strong knowledge of secure coding principles in one or more languages (e.g., Python, Java, JavaScript, Go, .NET). Hands-on experience with SAST, DAST, SCA and security automation in CI/CD pipelines. Familiarity with cloud security (AWS, Azure, GCP) and container security (Docker, Kubernetes). Knowledge of OWASP Top 10, CWE, CVSS, MITRE More ❯

matter expert on secure application development within the CI/CD pipeline utilising Azure technologies, this role is to manage the day-to-day operation of the Platform technical security controls and processes within the Audit Data Solutions team. The role will have a dotted line into the Security Architecture & Advisory team to ensure the implementation of security processes aligns KPMG’s security frameworks, policies, standards, whilst collaborating with other security teams in areas such as vulnerability management, and incident management. In this delivery-focused Security Engineer role, you will have the exciting opportunity to manage multiple workstreams simultaneously. Your responsibilities will encompass supporting the secure development and deployment of Azure-based solutions … actively participating in security audits, and contributing to the continuous improvement of security measures within Clara Data Solutions. As a key player in our security strategy, you will play a pivotal role in fortifying our systems against potential threats, ensuring the resilience of our security infrastructure, and promoting a culture of security awareness throughout the More ❯

matter expert on secure application development within the CI/CD pipeline utilising Azure technologies, this role is to manage the day-to-day operation of the Platform technical security controls and processes within the Audit Data Solutions team. The role will have a dotted line into the Security Architecture & Advisory team to ensure the implementation of security processes aligns KPMG’s security frameworks, policies, standards, whilst collaborating with other security teams in areas such as vulnerability management, and incident management. In this delivery-focused Security Engineer role, you will have the exciting opportunity to manage multiple workstreams simultaneously. Your responsibilities will encompass supporting the secure development and deployment of Azure-based solutions … actively participating in security audits, and contributing to the continuous improvement of security measures within Clara Data Solutions. As a key player in our security strategy, you will play a pivotal role in fortifying our systems against potential threats, ensuring the resilience of our security infrastructure, and promoting a culture of security awareness throughout the More ❯

sports federations, media outlets, betting operators, and consumer platforms across 120 countries rely on our know-how and technology to boost their business. Job Description ABOUT US: The Security Engineering squad is a group of security engineers with the clear mission to enable IT Security and Information Security processes by internally providing specialized services. The squad … acts as an internal service provider supporting both security focused teams and other business units. As Subject Matter Experts (SME), Security Engineers are required to be technically equipped to take over responsibility of services operated and offered internally. The services in scope currently cover typical SOC solutions (SIEM, NIDS, SOAR, WAF, etc.). THE CHALLENGE: Take responsibility over … updates. Adapt the service based on self-driven recommendations and user requirements. Ensure service availability by continuous monitoring of resources, service usage and license utilization. Identifying opportunities to improve security services and monitoring. Act as a primary point of contact towards internal users in addition to conducting ongoing and on demand training internally. Ensure and maintain compliance of the More ❯

you! So, even if you feel that you're close but not an exact match, we encourage you to apply. Overview We are looking to add an experienced Senior Security Engineer to our Gallagher Technology Team. This role will be part of the global security architecture and engineering function in the UK, working closely with twin teams … offer hybrid working, allowing you to spend two days a week in the office and three days working from home. Join a world-class team committed to driving exceptional security standards and making a real impact! How you'll make an impact Define and build Information Security engineering standards, artefacts, design patterns, and technical specification documents. Provide engineering … on Network Protocols, Remote Connectivity, Threat Prevention, Sandbox, DDoS, URL Filtering, and SSL decryption. Participate in troubleshooting design level issues. Assess, monitor, and recommend improvements to the global network security architecture to improve security posture, mitigate risks, and balance costs. Apply skills to security services and help build and protect enterprise systems, applications, data, and assets across More ❯

Join Us in BCG Worldwide IT! We are seeking an exceptional data protection expert to play key role in our growing Information Protection team, as an IT Data Protection Security Engineer. You will be part of a growing team, providing world class Security Engineering, Architecture and Operations, driving and supporting improvements globally to our Information Protection Portfolio. You … will be: Engaging collaboratively with application development, data protection, information security, and risk management teams to understand and implement data security solutions. Supporting vendor assessments, including proof of concepts & security technologies research Continuously improving data protection services based on input from a diverse network of internal and external stakeholders, technology teams and security industry at large … difficult and stressful situations with poise, tact and patience, while demonstrating a sense of urgency. What You'll Bring Minimum 8+ years of data loss solutions and/or security engineering experience with large scale globally distributed implementations Extensive experience in data-at-rest and data-in-transit, data security techniques and methodologies Experience of using relevant DLP More ❯

Professional Services Engineer/Security Consultant (Cybersecurity) - Remote This is a fully remote/full time position. Salary £65-80k This is a field-based role covering the UK. Are you a network security expert passionate about designing, deploying, and optimising cutting-edge cybersecurity solutions? My client are a leading cybersecurity solutions provider and value-added … reseller, partnering with top vendors like Check Point, Fortinet, Palo Alto, and Juniper Networks. They are looking for a Professional Services Engineer to deliver high-impact security implementations for their clients. The Role: As a Professional Services Engineer, you’ll be the technical authority, designing, configuring, and deploying enterprise-grade security solutions for clients across industries. … You’ll lead end-to-end projects, from pre-sales consultancy to hands-on implementation, troubleshooting, and knowledge transfer—ensuring clients get maximum value from their security investments. What You’ll Do: Deploy & optimise security solutions (Check Point, Fortinet, Palo Alto, Juniper) Lead client implementations, migrations, and upgrades (remote & on-site) Collaborate with sales/pre-sales teams More ❯

A great opportunity for a Security Engineer to join growing Financial Services Firm in London in a Hybrid working role. We are a Commodities Focussed Financial Services Firm based in London with Offices in US and Asia. We are now seeking a Senior Security Engineer to join our London team. Reporting to the IT Security Officer, you will work alongside the IT Security Engineer as part of a 3-man IT Security team. As the Senior Security Engineer, you will implement and maintain robust security systems and protocols across the our IT infrastructure. You will conduct risk assessments and vulnerability scans, mitigate vulnerabilities identified in penetration testing, and … implement preventative measures to protect against cyber threats. You will monitor the security infrastructure and detect and respond to potential threats. You will help mentor and develop the IT security engineer and collaborate with the IT team to ensure compliance with security standards and best practices; you will essentially be a key technical leader in safeguarding More ❯

A great opportunity for a Security Engineer to join growing Financial Services Firm in London in a Hybrid working role. We are a Commodities Focussed Financial Services Firm based in London with Offices in US and Asia. We are now seeking a Senior Security Engineer to join our London team. Reporting to the IT Security Officer, you will work alongside the IT Security Engineer as part of a 3-man IT Security team. As the Senior Security Engineer, you will implement and maintain robust security systems and protocols across the our IT infrastructure. You will conduct risk assessments and vulnerability scans, mitigate vulnerabilities identified in penetration testing, and … implement preventative measures to protect against cyber threats. You will monitor the security infrastructure and detect and respond to potential threats. You will help mentor and develop the IT security engineer and collaborate with the IT team to ensure compliance with security standards and best practices; you will essentially be a key technical leader in safeguarding More ❯