26 to 50 of 82 Senior Security Engineer Jobs in the UK

and 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 More ❯

Job Title: Security Senior Engineer/Division Manager Salary: £45,000 £50,000 per annum + Circa. £6k+ OTE Location: London & Home Counties Division: Security (CCTV, Access Control & Intruder Systems) Overview: We are seeking a hands-on and driven Security Senior Engineer/Division Manager to take full ownership of our growing security division. This is a key leadership role with a strong technical focus, overseeing the complete lifecycle of security projects from initial quotation through to final handover and ongoing maintenance. Key Responsibilities: Project Management: Manage end-to-end delivery of security installations, including CCTV, intruder alarms, and access control systems. Quoting & Estimation: Carry out site surveys and prepare … and planned preventative maintenance. On-Call Support: Provide in-hours emergency callout support as required. Team Coordination: Collaborate with our existing team of four fire installers, who also support security installations on larger projects. Division Growth: Work alongside our marketing team to support ongoing advertising campaigns aimed at scaling the security side of the business. Leadership Development: As More ❯

company to improve their return on incentives and sales planning. Come and see why Glassdoor and Comparably have recognized CaptivateIQ as a best place to work! About the role: Security is a core value at CaptivateIQ. As we scale and expand our suite of services, embedding security into every phase of product development is critical to building trust … in everything we deliver. As a Senior Security Engineer focused on Application & Product Security , you will own our AppSec strategy - driving threat modeling, secure architecture design, and offensive security testing . You will lead manual and automated penetration testing, manage AppSec tooling (SAST, DAST, SCA), and build developer enablement programs. You'll also be responsible … program. Responsibilities: Threat Modeling & Architecture Reviews Mature and scale a modern threat modeling program across products and services. Enable secure by design architectures in collaboration with Engineering teams. Offensive Security Testing Conduct penetration tests (white-box and black-box) for web applications and APIs. Perform dynamic (DAST), static (SAST), and software composition (SCA) analysis. Simulate adversary attack scenarios to More ❯

environment 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 … 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 ❯

Senior Cyber Security Engineer As Senior Cyber Security Engineer, you will be responsible for developing a high-quality response function that will navigate security incidents, drive process improvement and develop a collaborative culture where incidents are communicated and colleagues gain knowledge in these areas. Also, you'll build the infrastructure that the organisation … needs to scale their detection and response capability across all threats. Key Skills Experience in security monitoring, incident response, and threat hunting in a cloud environment Prior experience leading complex security investigations Understand offensive/defensive security and scenarios that lead to compromise Expertise on AWS security controls and services Experience leveraging coding for automation, alert More ❯

Senior Application Security Engineer (33957) At Holland & Barrett, cybersecurity is at the heart of our digital transformation. As we continue to grow and innovate, securing our applications and protecting customer data is a top priority. We are looking for a Senior Application Security Engineer to lead our efforts in strengthening application security, mitigating … risks, and ensuring best-in-class security practices. If you are passionate about cybersecurity and eager to make a real impact, we want you on our team! Key Responsibilities: Security Strategy: Help define and execute the Holland & Barrett application security strategy. Collaborate with both tech and non-tech teams to integrate security principles into the early … software integrity, authenticity, and third-party library management. Risk Assessments: Conduct risk assessments, threat modeling, and architecture reviews alongside development teams, producing artifacts to drive the implementation of effective security controls. Standards Development: Own the creation and maintenance of tailored security standards and guidelines, developing reusable resources for various development teams. Team Support: Provide guidance and support to More ❯

Senior Principal Software Engineer - Email Security page is loaded Senior Principal Software Engineer - Email Security Apply locations Great Britain - London time type Full time posted on Posted 13 Days Ago job requisition id R5703 Principal/Senior Principal Software Engineer - Email Security The driving force behind our award-winning Email Security Product at Mimecast Dive into the forefront of innovation with our Email Security engineering team. Our pioneering Email Security solution pushes on the boundaries of what's possible, leveraging the latest technologies and tooling in AWS. Why Join Our Team? "Join us in tackling email processing challenges at an immense scale with our innovative Email Security team! Our MTA process billions of emails from millions of users on thousands of servers each day!" - Hiring Manager What You'll Do? As Principal/Senior Principal Engineer, you will play a pivotal role in leading the development of our next-generation cloud-based email product. This role involves hands-on engagement throughout the full development More ❯

Job Title: Senior Network Security Engineer Location: Kidlington or Southampton Contract Type: Temporary Daily Rate: £450 - outside IR35 Contract Length: 16 months Join Our Team! Are you an experienced Network Security Engineer ready to make an impact in the public services sector? We are looking for talented individuals to join our client Thames Valley Police … at either their offices in Kidlington or the Hampshire Police Offices in Southampton. What You'll Do: As a Senior Network Security Engineer, you will play a crucial role in maintaining and enhancing our wide area and local area communications network infrastructure. Your expertise will ensure the security and efficiency of our network operations. Key Responsibilities More ❯

Job Title: Senior Network Security Engineer Location: Kidlington or Southampton Contract Type: Temporary Daily Rate: £450 - outside IR35 Contract Length: 16 months Join Our Team! Are you an experienced Network Security Engineer ready to make an impact in the public services sector? We are looking for talented individuals to join our client Thames Valley Police … at either their offices in Kidlington or the Hampshire Police Offices in Southampton. What You'll Do: As a Senior Network Security Engineer, you will play a crucial role in maintaining and enhancing our wide area and local area communications network infrastructure. Your expertise will ensure the security and efficiency of our network operations. Key Responsibilities More ❯

Job Title: Senior Network Security Engineer Location: Kidlington or Southampton Contract Type: Temporary Daily Rate: £450 - outside IR35 Contract Length: 16 months Join Our Team!Are you an experienced Network Security Engineer ready to make an impact in the public services sector? We are looking for talented individuals to join our client Thames Valley Police … at either their offices in Kidlington or the Hampshire Police Offices in Southampton. What You'll Do:As a Senior Network Security Engineer, you will play a crucial role in maintaining and enhancing our wide area and local area communications network infrastructure. Your expertise will ensure the security and efficiency of our network operations. Key Responsibilities More ❯

Senior IT Security Engineer London (Hybrid) £80,000 - £85,000 DOE + Bonus + Benefits Join a leading London-based broker and market maker with offices worldwide! We are looking for a Senior IT Security Engineer to play a vital role in safeguarding critical infrastructure and data, working as part of a close-knit … expert IT Security team. The Role You will be instrumental in developing, implementing, and maintaining security solutions that protect systems from ever-evolving cyber threats. You'll serve as the technical lead, drive key security initiatives, and play a pivotal role in mentoring junior team members. Key Responsibilities Monitor, manage, and respond to threats via SIEM, SOAR … and EDR platforms Conduct vulnerability scans and support remediation and risk mitigation efforts Oversee WAF, DDoS, VPN, and perimeter firewalls Manage Email and Web Security Gateways Administer MFA, SSO, PAM, MDM/MAM, and Conditional Access systems Maintain security certificates, encryption keys, and IDS/IPS systems Deliver cybersecurity awareness training and lead ad-hoc security projects More ❯

Senior Cyber Security Engineer opportunity working within an established fintech firm in Liverpool Attractive benefits package Up to £60,000 per annum depending on experience Full Time - Permanent role - Hybrid working available Sector: Finance Benefits Competitive Salary - £55,000 - £60,000 per annum Generous Annual Leave Paid Sick days Company Pension A comprehensive in-house training Continued … training and development Friendly and supportive working culture About the Role: Lead on technical cyber security initiatives within the Security Operations team Ensure the implementation of robust security controls and best practices Provide specialist security support to IT teams, including infrastructure, development, and database teams Work with stakeholders to maintain compliance with industry standards such as … ISO27001, Cyber Essentials Plus, PCI/DSS Stay ahead of cyber threats, maintaining and improving security monitoring and risk management processes Support vulnerability management, penetration testing, and incident response Requirements for this role: 3+ years' experience in a senior cyber security role Strong knowledge of security frameworks (NIST, NCSC, CIS, MITRE ATT&CK) Hands-on experience More ❯

going places! This is where you come in. The Opportunity As IAG Loyalty evolves into a Platform as a Service business, we're looking for a talented and passionate Senior Application Security Engineer to join our security engineering team. You'll have a background in software engineering and a deep interest in application and API security. … You thrive on collaboration, enjoy helping others grow, and see security as an enabler - not a blocker. You'll be an AppSec advocate who supports our engineers in identifying and addressing security issues across the software development lifecycle. You'll be part of a small, dynamic team within the Product department that drives IAG Loyalty's digital transformation … also be required to work from one of our other office or partner locations, based on your role and 'to do' list. What you'll be doing As a Senior Application Security Engineer, you'll lead the application security practice within the IAG Loyalty security team, taking responsibility for key security KPIs in this More ❯

Senior Software Development Engineer - Security Automation, AWS Security OpRes Job ID: Amazon Data Services France SAS Amazon Security customers demand the highest quality and reliability for their services. We continuously strive to simplify and scale security operations while resolving complex issues. We are looking for highly motivated Software Developers to help build and scale … security incident response platforms and tooling across the largest cloud provider in the world. Amazon Security OpRes is a team of Security Engineers and Software Development Engineers dedicated to enhancing security incident response through automation and innovation. Our mission involves optimizing existing processes while pioneering new solutions. We maintain and improve production services, developing advanced capabilities … long-term innovation projects, working backwards from customer needs, analyzing data, and prototyping disruptive solutions with leadership oversight. Leveraging modern technologies and Amazon's robust services, we empower our security response teams with productivity-boosting tools. At a massive scale, we build innovative platforms that fortify Amazon's security. Through continuous improvement and customer-centric innovation, we redefine the More ❯

Position Overview We are seeking a Senior Azure Security Engineer to join our UK-based team. This role will be responsible for implementing and maintaining robust security solutions across our Azure cloud infrastructure. You'll play a key role in ensuring compliance, hardening environments, and leveraging Microsoft's security tools to protect our systems and … data. Key Responsibilities Security Architecture & Implementation Implement and maintain secure Azure architectures in line with best practices Develop and support cloud security policies and technical standards Conduct security assessments, risk analysis, and contribute to security roadmaps Collaborate with teams to integrate security into CI/CD and cloud-native applications Microsoft Security Stack Configure … and managed Sentinel provider on incident handling Compliance & Governance Help ensure compliance with ISO 27001, SOC 2, GDPR, and NIS2 Support configuration and monitoring in Microsoft Compliance Manager Maintain security documentation and assist in audit preparation Configure insider risk management, audit, and eDiscovery capabilities Track Secure Score and recommend improvements Incident Response & Monitoring Configure monitoring and alerts using Microsoft More ❯

Senior Security Engineer (AWS) Apply locations London, UK Full time Posted 30+ Days Ago Job requisition id JR100319 Who we are We're the people behind the global loyalty currency, Avios, and home to three ambitious, growing businesses: IAG Loyalty, British Airways Holidays, and The Wine Flyer. Each business has its own goals and strategy, but collectively … This is where you come in. The Opportunity IAG Loyalty is evolving into a Platform as a Service business. We are seeking a highly capable individual to join our security team. The ideal candidate will have a strong technical background and experience in implementing security controls within cloud and DevOps environments. They should be comfortable working in a … cloud-native setting with rapid technological changes. The role involves leading security engineering initiatives, managing security tools, and overseeing a small team of security engineers. This position is based in our London office. We offer a hybrid working model called The Blend , providing flexibility to work remotely or in-office at least two days a week, with More ❯

Senior Network & Cyber Security Engineer - 12 Months Contract Hybrid: 2 days in the office (Tuesday & Wednesday), other 3 days remote Outside IR35 Preferred locations: Aberdeen, Staines, Glasgow, or Reading Applicants must be able to pass the HMG Baseline Personnel Security Standard (BPSS) check. The Senior Network & Cyber Security Engineer will support project implementation … secure, integrating IT and Operational Technology (OT) systems to support business and operational goals. Key Objectives: Assess cybersecurity architecture robustness within customer facilities. Design and implement solutions to mitigate security risks, including antivirus, patch management, insider threat protection, incident response, and compliance. Conduct vulnerability assessments and audits on client systems and network devices, considering OT sensitivities. Provide expertise in … network design, implementation, and testing for automation and control systems. Define network requirements supporting automation and control solutions. Apply integration concepts across various systems and vendor platforms. Engineer network aspects of automation projects, including design and implementation. Prepare engineering studies and design documentation. Resolve engineering issues by applying standards and principles. Develop detailed network architecture and data flow diagrams. More ❯

Senior Security Engineer Cambridge (Flexible working arrangements available) £70k-£80k If you've ever been the one who spotted the anomaly before it became an incident, or the engineer who built the tool that turned days of investigation into minutes-you'll feel right at home here. This is a senior role for someone who … wants to move beyond responding to alerts and instead shape how security detection, automation, and response are built from the ground up. You'll have real influence over architecture, tooling, and strategy while working alongside experienced engineers in an organisation that actually listens to its security team. What's in it for you from day one? Private medical … Buy and sell holiday options on top of 25 days leave plus bank holidays 6% employer pension contributions Mental health and counselling support Annual performance bonus A progressive, supportive security team where your ideas are welcomed and actioned Your role in a nutshell You'll be the person designing how threats are detected, how alerts are enriched, and how More ❯

Senior Cyber Security Engineer - 12 months Contract Hybrid 2 days Tuesday & Wednesday, other 3 remote OUTSIDE OF IR35 Preferred Locations: Aberdeen, Staines, Glasgow, or Reading Applicants must be able to pass the HMG Baseline Personnel Security Standard (BPSS) check. The Senior Cyber Engineer will support project implementation aligned with company objectives, including continuous improvement … environments to support business, production, and operational goals. Key Objectives: Assess the cybersecurity robustness of architectures, technologies, & procedures in client facilities. Design solutions that meet client requirements and implement security measures (e.g., antivirus, patch management, insider threat protection, incident response, compliance). Conduct vulnerability assessments & audits on client systems & network devices, considering OT sensitivities. Provide expertise in network design … data communication, servers, VMs, switches, firewalls) and testing procedures (FAT). Prepare material requisitions & contribute to technical bid evaluations. Review vendor drawings & consolidate feedback from other disciplines. Undertake Cyber Security Risk Assessments and advise on mitigation actions. Support evaluation of clients' security posture, identifying vulnerabilities & areas for improvement. Stay updated on security trends, threats, & best practices. Apply More ❯

The Opportunity Join us to own security end-to-end, from shaping WAF rules and cloud posture to building secure APIs that millions rely on. We're hiring a Senior Security Engineer to help scale Thrive's security posture as we continue to grow fast and land major enterprise customers. This isn't your typical … security role. We're looking for someone who can code first, audit later & are able to dive into our NodeJS/React stack, help teams ship secure-by-design features, and implement pragmatic security improvements across our application codebase, tooling and cloud infrastructure. You'll work closely with Engineering, Product, and InfoSec to ensure Thrive stays secure by … design, especially as we expand into new markets, industries, and regulatory environments. What You'll Be Doing • Own security across the full stack, from React & NodeJS through to AWS infrastructure, WAFs, and CI/CD. • Build and maintain security-first libraries, tooling and pipelines to support engineering at scale. • Embed secure-by-default practices into our codebase and More ❯

Security Engineer - SIEM, KQL- sought by investment bank based in London. Inside IR35 - 3 days a week on-site Key Responsibilities SIEM Management & Optimization: Design, implement, and maintain Microsoft Sentinel workspaces, connectors, analytics rules, and playbooks Develop advanced KQL queries for threat hunting and reporting Optimize SIEM performance, cost, and data retention policies Troubleshoot log ingestion and parsing … and custom log parsing Threat Detection & Use Case Development: Develop and refine detection rules based on threat intelligence and attack patterns Continuously improve detection efficacy and reduce false positives Security Monitoring & Incident Response: Monitor systems for anomalies and malicious activity Contribute to threat hunting and incident response playbooks Provide expert guidance on securing applications and infrastructure Security Advisory … Innovation: Support PoCs for new security tools Help define and measure control effectiveness Required Skills & Experience Certifications: AZ-500, SC-200, SC-900, CompTIA Security+, CISSP, GCIA, GCIH, GCFA, CCSP Experience with SOAR playbooks, YARA rules, STIX, and YAML Participation in red/purple team exercises. 3+ years in a Security Engineer, SOC Analyst, or similar role More ❯

Security Engineer - SIEM, KQL- sought by investment bank based in London. *Inside IR35 - 3 days a week on-site** Key Responsibilities SIEM Management & Optimization: Design, implement, and maintain Microsoft Sentinel workspaces, connectors, analytics rules, and playbooks Develop advanced KQL queries for threat hunting and reporting Optimize SIEM performance, cost, and data retention policies Troubleshoot log ingestion and parsing … and custom log parsing Threat Detection & Use Case Development: Develop and refine detection rules based on threat intelligence and attack patterns Continuously improve detection efficacy and reduce false positives Security Monitoring & Incident Response: Monitor systems for anomalies and malicious activity Contribute to threat hunting and incident response playbooks Provide expert guidance on securing applications and infrastructure Security Advisory … Innovation: Support PoCs for new security tools Help define and measure control effectiveness Required Skills & Experience Certifications: AZ-500, SC-200, SC-900, CompTIA Security+, CISSP, GCIA, GCIH, GCFA, CCSP Experience with SOAR playbooks, YARA rules, STIX, and YAML Participation in red/purple team exercises. 3+ years in a Security Engineer, SOC Analyst, or similar role 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 … 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 Test Engineer - National Security We are the Information Intelligence Group (IIG) of CACI UK, a specialist software consultancy providing bespoke solutions to solve complex operational problems. As our business grows, we seek an experienced Senior Test Engineer to join our National Security Team on a live project. At IIG, we value talent that … can adapt to client challenges and foster innovation. Our collaborative work environment emphasizes strong relationships, intelligence, quick learning, flexibility, and enthusiasm for new opportunities. The Role: As a Senior Test Engineer, you will be part of a small, agile delivery team working on an active project. Your role will be to ensure continuous automated testing within a CI … and API testing Technologies used include Selenium, Cypress.io, Webdriver.io, Playwright, Cucumber, Robot Framework, Serenity BDD, and Rest Assured Contributing to QA team improvements and innovation Performing non-functional testing (security, performance, accessibility, OAT) using various tools The Fit: We seek proactive Test Engineers passionate about manual and automation testing, with experience in complex solutions. Comfort working autonomously within an More ❯

Cyber Security Engineer required by a London financial brokerage ( near Bank station ), paying up to £85k + bonus + benefits. Hybrid role (3 days office-based). Join a focused 3-person IT Security team, reporting to the IT Security Officer, to implement and maintain robust security across their infrastructure. Key responsibilities include managing WAF …/DDoS, security gateways, SIEM/SOAR/EDR, firewalls, MFA/SSO, MDM/MAM, vulnerability scans, and incident response. Key Responsibilities: Manage WAF/DDoS, web/email security gateways, SIEM/SOAR/EDR (alert response), firewalls, MFA/SSO, MDM/MAM, vulnerability scans/remediation, security certificates, IDS/IPS, PAM, and … deliver security awareness training. Remediate penetration test findings and contribute to ad-hoc projects. Experience: Mail Servers Palo Alto Firewalls, InTune, and Entra ID/Azure AD/Group Policy. Experience: Familiarity with Imperva WAF/DDoS, Menlo, Cisco security, KnowBe4, Digicert, patching tools, web application scanners, and Kali Linux, AI, Machine Learning Candidate Profile: Relevant security More ❯