1 to 25 of 97 Senior Security Engineer Jobs in the UK

Senior Cyber Security Engineer, DevSecOps, Secure Coding, Cloud Security, COR7555 An exciting opportunity has arisen for a Senior Cyber Security Engineer to join a pioneering organisation based in Oxford, working on a hybrid basis.This is a hands-on role focused around secure development … application security and strengthening security across a growing cloud-based technology environment. Working closely with the CIO and development teams, the Senior Cyber Security Engineer will help improve secure coding practices, cloud security, vulnerability management and wider cyber resilience across the business.The company delivers ...

Senior OT Security Engineer Salary: up to £85,000 + Bonus + Benefits Location: Royal Leamington Spa - 3/week Working Hours: 40 hours per week - Full time Job Type: PermanentA globally established organisation is seeking an experienced Senior OT Security Engineer to support … enhance cyber security across large-scale industrial and manufacturing environments. This Senior OT Security Engineer role will focus on strengthening OT security posture, improving visibility across operational technology environments, and optimising enterprise OT security tooling with a strong focus on the Armis Centrix platform. ...

Summary We are seeking a Senior Security Engineer (Application) to help strengthen and mature application security practices across a fast-moving engineering organisation. This is a hands‐on technical role focused on embedding security into engineering workflows, improving secure development practices and ensuring security is integrated throughout the software delivery lifecycle. The successful candidate will work closely with platform engineering, software engineering and architecture teams to identify security risks early, implement scalable controls and tooling and help drive modern DevSecOps and security‐by‐design practices across the organisation. The role requires ...

Senior Security Engineer, reporting to the IT Security Officer, you will work as part of a 3-person IT Security team. As the Senior Security Engineer, you should have at least 5 years security team leadership and project management. You will … implement and maintain robust security systems and protocols across the 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. ...

Senior Security Engineer, reporting to the IT Security Officer, you will work as part of a 3-person IT Security team. As the Senior Security Engineer, you should have at least 5 years security team leadership and project management. You will … implement and maintain robust security systems and protocols across the 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. ...

SENIOR APPLICATION SECURITY ENGINEER AGENTIC AI SECURITY PLATFORM £800 - 900 per Day (Dependent on Experience) Our Client is a major Financial Services Organisation undertaking a major Security Architecture Programme. They are now entering the Production Build Phase of an Agentic Application Security Agent that … will fundamentally change how their Application Security is Delivered within the SDLC. Early Phases of the Programme have already defined the Target Architecture, Threat Model & Prompt Engineering Strategy . The Next Stage is to Transform this Foundation into a Production - Grade Capability Used Daily by Engineering Teams , enabling Developers ...

Senior Application Security Engineer Central Manchester (3 days in-office) Up to £95,000 + Generous benefits We’re partnering with a high-growth SaaS fintech that’s looking to hire a Senior Application Security Engineer to join their expanding team. This … genuinely impactful role sitting at the intersection of cloud, application security, and platform engineering, ideal for someone who wants to move beyond advisory and actively shape secure, scalable systems in production. What you’ll be doing: Embedding security into cloud-native architectures across AWS, Azure and/ ...

Senior Security Engineer London (2x a week) | Permanent About the Role We are exclusively partnered with a leading UK retail organisation that is currently undergoing a significant digital transformation. We are seeking a technical and hands‐on Senior Security Engineer to design, implement … operate robust security controls across a complex hybrid environment. In this role, you will bridge the gap between strategy and execution, serving as a technical authority for cloud platforms, identity systems, and endpoint security. You will collaborate closely with Network, Infrastructure, and Application teams to ensure that "secure ...

Senior Security Engineer – Detection & Response – EU/UK Remote, UK We are seeking a UK-based Senior Security Engineer to join our Security Operations and Response Team as a senior individual contributor. In this role, you will investigate and respond to security incidents across Marqeta’s environment, proactively monitor for cyber threats, and serve as incident commander during security events of varying severity. You will contribute to the development and improvement of response methodologies aligned with the NIST Incident Response Lifecycle and help maintain cybersecurity incident response documentation. This position ...

Senior Cyber Security Engineer Glasgow or London | Hybrid | 12-Month Fixed-Term Contract Competitive Salary + Benefits| No Sponsorship Available VIQU have partnered with an established professional services organisation undergoing a significant cloud transformation programme. They are seeking a Senior Cyber Security Engineer to join their security function on a 12-month FTC, supporting both operational security activities and key business projects. This role combines hands-on security engineering with advisory responsibilities. You'll help maintain and improve security controls across the organisation, while working with project teams ...

Senior Cyber Security Engineer Glasgow or London | Hybrid | 12-Month Fixed-Term Contract Competitive Salary + Benefits| No Sponsorship Available VIQU have partnered with an established professional services organisation undergoing a significant cloud transformation programme. They are seeking a Senior Cyber Security Engineer to join their security function on a 12-month FTC, supporting both operational security activities and key business projects. This role combines hands-on security engineering with advisory responsibilities. You’ll help maintain and improve security controls across the organisation, while working with project teams ...

Senior Cyber Security Engineer Application Deadline: 4 June 2026 Department: IT Employment Type: Permanent - Full Time Location: London Compensation: £52,275 per year + benefits Description Are you an experienced cyber security professional who wants to help us make a difference? From incident management … development and maintenance of our cyber security solutions, we’re looking for a Senior Cyber Security Engineer to ensure our digital infrastructure is safe and protected. What does this role do? Manage the day-to-day operations of our Cyber Security Operations Centre, supervising colleagues ...

Overview Are you an experienced Senior Offensive Security Engineer that wants to work with cutting-edge cybersecurity technologies and contribute to enhancing our overall security posture? At Ivanti, we work passionately and authentically, striving to win together and make a real impact for our customers … each other. Join us to elevate your career and help deliver innovative solutions in a dynamic, empowering environment. Why this role matters As a Senior Offensive Security Engineer, you will play a crucial role in assessing the security of applications, networks, and systems by simulating cyberattacks. ...

Senior ICT & Security Engineer Remote (UK) Permanent but contract considered, Salary/rate on application. The Company Our client is an award‐winning, international multidisciplinary consultancy renowned for their expertise in low‐energy design and world‐leading technical solutions. They are a primary partner for the global … realise ambitious zero‐carbon targets across the entire building lifecycle. Due to continued expansion within the EMEA region, they are seeking a high‐calibre Senior ICT & Security Engineer to join their growing UK team. The Role As a Senior Engineer, you will take a lead ...

hiring a Senior Security Engineer to lead and raise the bar for enterprise security at Spotify. In this role, you'll be hands‐on across core security domains, IAM, endpoint management, networking, and shaping how we secure an increasingly AI‐enabled enterprise. You'll build … across IT, infrastructure, legal, and beyond to keep Spotify moving fast without compromising on security. The ideal candidate brings solid professional experience in enterprise security, strong technical foundations, and a genuine comfort with AI, both as a tool to augment their own work and as a surface area ...

digital ordering, payment, and guest engagement solutions enable brands to do more with less and make every guest feel like a regular. As Senior Security Engineer, you will help Olo reduce identified risks, respond to adversarial attacks while maintaining the up‐time of our systems, and implement … clients and their customers while supporting innovation. You will also provide white glove service and support to internal and external stakeholders by addressing security questions and support issues as needed, and by mentoring other engineers in how to best provide support. Additionally, you will help in the identification ...

Overview Menlo Security's mission is enabling the world to connect, communicate and collaborate securely without compromise. COVID-19 has made our mission real. We support customers across various enterprises including Fortune 500 companies, 9/10 of the largest global banks and the Department of Defense. The world … investors are second to none. They include Vista Equity Partners (Vista), General Catalyst, JPMC, American Express, HSBC, and Ericsson Ventures. Job Overview The Senior Security Engineer is responsible for protecting the organisation's digital assets, infrastructure, and data through the design, implementation, and maintenance of security ...

experienced Security Engineer ready to take the next step into a senior role? Looking to join a growing company that values its team, offers excellent additional earning opportunities, and supports your ongoing development? This is a fantastic opportunity to join a well-established business with a strong … reputation, supportive culture, and opportunities for overtime and on-call work. Role Overview As a Senior Security Engineer, you will play a key role in delivering high-quality security system solutions across multiple sites. Your responsibilities will include: Installation and fault-finding of: IP CCTV systems ...

Senior Security Engineer Reporting to the IT Security Officer, you will work as part of a three‐person IT Security team. The role requires at least five years of security team leadership and project management. You will implement and maintain robust security systems … infrastructure, conduct risk assessments and vulnerability scans, mitigate vulnerabilities identified in penetration testing, implement preventative measures to protect against cyber threats, monitor the security infrastructure, detect and respond to potential threats, and mentor and develop the IT security engineer. You will collaborate with the IT team to ensure ...

Senior Cyber Security Engineer Reading/Hybrid (one day per week in the office) Salary: £65,000-£75,000 We are working with a leading UK pensions and insurance consulting and administration business. A FTSE 250 company, our client works with over 1,400 pension schemes, administers … million member accounts, and supports insurance companies in the life and bulk annuities sector. ABOUT THE ROLE You will join an expanding cyber security team working alongside internal engineers, security operations analysts, and an external 24/7 SOC. Reporting to the Cyber Security Engineering Manager ...

Permanent Senior Security Engineer - London My client an insurance organisation in London has a requirement for a permanent Security Engineer, to join their IT department. Key Skills: Proven experience in a similar role within a mid/large sized organisation, preferably in a regulated industry … such as Financial Services or Insurance sectors. Strong technical skills with experience and accreditations covering multiple security domains. Cyber security subject matter expert with relevant certifications such as CISSP, CISM, CSSP, or equivalent. Proficiency in SAST, DAST and SCA with hands on experience integrating such tools into development ...

informed decisions, increase efficiencies, and create a safer environment for patients. Why work at Spacelabs? Because lives depend on you! The Spacelabs Privacy and Security Program is a shared service model with responsibility for Cybersecurity and Privacy by Design, Compliance, Security Testing and Incident Response. As a Spacelabs … Senior Cybersecurity Engineer you are responsible for cybersecurity and privacy functions for our Products. The role collaborates with Spacelabs Project Teams to ensure the product privacy and security posture. This role is a trusted collaborator of the Project Teams and work closely with Engineering and Quality/ ...

time. What you’ll be doing Reporting directly to the CISO, you’ll play a critical role in strengthening and maturing Reapit’s cloud security posture. Your work will span hands on security engineering, deep incident response, proactive threat detection, and collaboration with global teams. Design, implement … enhance secure Cloud infrastructure, services, and applications in collaboration with DevOps teams. Conduct ongoing security assessments, configuration reviews, and audits of AWS environments to identify vulnerabilities and recommend remediation. Implement and maintain AWS security controls aligned to ISO 27001, NIST and cloud security best practices. Proficiency ...

Social Security Scotland is seeking a Senior Cyber Security Engineer to help secure the cloud platforms that deliver vital public services. This is a key role in a cloud‐first organisation, working to ensure solutions are secure by design, resilient, and compliant. The Senior Cyber … Security Engineer leads the design, implementation, and assurance of cyber security controls across cloud platforms, applications, and infrastructure. You will translate security policy and risk into practical cloud security solutions, working closely with Architecture, Cloud Engineering, DevOps, and Product teams. Acting as a technical authority ...

mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Senior Security Software Research Engineer Picadilly circus, London Job Description L3Harris has an immediate opening for a Sr Security Software Research Engineer with our security group, Trenchant. Our teams are comprised of elite security researchers and former intelligence professionals with a fixation on realizing mission outcomes. We are pursuing top-tier senior security researching talent with experience across a host of technologies and paradigms. Our business unit ...