1 to 25 of 71 Senior Security Engineer Jobs in the UK

Senior Security Engineer, Cloud Salary: up to 110,000 + bonus + benefits Location: UK 100% Remote This company is undergoing a major cloud transformation and is looking for a Senior Security Engineer with a specialism within Cloud to help shape and secure its modern cloud infrastructure. Youll work across engineering teams to design … scalable, secure cloud infrastructure and embed best practices from day one. Youll be joining at a pivotal time as the company invests heavily in scaling its security capabilities. This role is ideal for someone who thrives on solving complex security challenges, enjoys cross-team collaboration, and wants to influence how secure, scalable systems are built in a fast … moving, AWS native environment. Senior Security Engineer, Cloud Responsibilities: Apply software development and security engineering expertise to design secure, scalable cloud solutions. Develop and maintain security baselines for cloud infrastructure (primarily AWS), including automation for configuration scanning and remediation. Act as a subject matter expert on cloud security within engineering, providing guidance during design More ❯

Senior Security Engineer, Cloud Salary: up to £110,000 + bonus + benefits Location: UK – 100% Remote This company is undergoing a major cloud transformation and is looking for a Senior Security Engineer with a specialism within Cloud to help shape and secure its modern cloud infrastructure. You’ll work across engineering teams to … design scalable, secure cloud infrastructure and embed best practices from day one. You’ll be joining at a pivotal time as the company invests heavily in scaling its security capabilities. This role is ideal for someone who thrives on solving complex security challenges, enjoys cross-team collaboration, and wants to influence how secure, scalable systems are built in … a fast-moving, AWS native environment. Senior Security Engineer, Cloud – Responsibilities: Apply software development and security engineering expertise to design secure, scalable cloud solutions. Develop and maintain security baselines for cloud infrastructure (primarily AWS), including automation for configuration scanning and remediation. Act as a subject matter expert on cloud security within engineering, providing guidance More ❯

Senior Security Engineer, Cloud Salary: up to £110,000 + bonus + benefits Location: UK – 100% Remote This company is undergoing a major cloud transformation and is looking for a Senior Security Engineer with a specialism within Cloud to help shape and secure its modern cloud infrastructure. You’ll work across engineering teams to … design scalable, secure cloud infrastructure and embed best practices from day one. You’ll be joining at a pivotal time as the company invests heavily in scaling its security capabilities. This role is ideal for someone who thrives on solving complex security challenges, enjoys cross-team collaboration, and wants to influence how secure, scalable systems are built in … a fast-moving, AWS native environment. Senior Security Engineer, Cloud – Responsibilities: Apply software development and security engineering expertise to design secure, scalable cloud solutions. Develop and maintain security baselines for cloud infrastructure (primarily AWS), including automation for configuration scanning and remediation. Act as a subject matter expert on cloud security within engineering, providing guidance More ❯

Senior Application Security Engineer Location: Hybrid working or homeworking with view to attend office occasionally Salary: £60,000 – £70,000 per annum Bonus: Discretionary bonus of up to 10% Are you passionate about securing modern applications and cloud environments? We’re looking for a Senior Application Security Engineer to join my client's growing … team and play a key role in shaping the security posture of our organisation. About the Role As a Senior Application Security Engineer, you’ll bring deep expertise in application security testing, cloud security, and secure development practices. You’ll work closely with IT, development, and project teams to embed security into every … stage of the software development lifecycle and drive a risk-based approach to vulnerability management. Key Responsibilities Lead application security initiatives across cloud-native and enterprise environments. Promote secure design principles, threat modelling, and best practices across teams. Own and evolve the technical vulnerability management programme. Implement and support security controls, particularly within Azure cloud environments. Evaluate and More ❯

Senior Security Engineer — FinTech Scale-Up 🚀 The Opportunity Join a high-growth FinTech that’s transforming how millions move and manage their money — where security isn’t an afterthought, it is the product. They’re searching for a hands-on Security Software Engineer who can engineer and automate security into the core … you’ll eliminate them at the root. You’ll build patterns, tooling, and automation to empower developers to ship secure software at speed. 🧠 What You’ll Lead & Deliver Embed security into the SDLC from architecture through production Automate guardrails and integrate security tooling into CI/CD Drive threat modelling + security design reviews for new features … Create internal security tools, libraries, and developer workflows Mentor engineers and uplift security engineering craft Partner with product & platform teams to build secure-by-default systems 🧩 What You Bring 5+ years in Security Engineering/Product/AppSec roles Strong software engineering skills (Python, Go or TypeScript) Experience securing web, mobile and API architectures at scale Deep More ❯

Senior Security Engineer — FinTech Scale-Up 🚀 The Opportunity Join a high-growth FinTech that’s transforming how millions move and manage their money — where security isn’t an afterthought, it is the product. They’re searching for a hands-on Security Software Engineer who can engineer and automate security into the core … you’ll eliminate them at the root. You’ll build patterns, tooling, and automation to empower developers to ship secure software at speed. 🧠 What You’ll Lead & Deliver Embed security into the SDLC from architecture through production Automate guardrails and integrate security tooling into CI/CD Drive threat modelling + security design reviews for new features … Create internal security tools, libraries, and developer workflows Mentor engineers and uplift security engineering craft Partner with product & platform teams to build secure-by-default systems 🧩 What You Bring 5+ years in Security Engineering/Product/AppSec roles Strong software engineering skills (Python, Go or TypeScript) Experience securing web, mobile and API architectures at scale Deep More ❯

Job Role: Senior Security Engineer - CIAM Location: Hybrid - City of London Salary: £100,000 - £120,000 + Bonus Are you an experienced Security Engineer with a passion for safeguarding systems and driving innovation in identity and access management? Do you thrive in complex environments where you can solve critical security challenges and influence long … re driven by excellence, collaboration, and the opportunity to make an impact on a global financial institution, this could be the perfect role for you. Join us as a Senior Security Engineer, where you'll help shape a market-leading digital platform and deliver secure, cutting-edge customer experiences. Ideal Candidate: Strong hands-on expertise with Hardware … Security Modules (HSM), AWS Secrets Manager, and certificate lifecycle management (rotation, revocation, automation) Experienced with GitLab CI/CD pipelines, AWS CLI, and automation tooling (Chef or similar) Proven background in Cloud Security, with deep knowledge of: - AWS security controls, policies, and automation - Role-based and attribute-based access controls - Cryptographic protocols and secure key lifecycle management More ❯

Senior Security Engineer £80,000 + Bonus + Benefits + Training Hybrid (Portsmouth, UK) Company & Role This is an opportunity to join a fast growing, people first global service provider that is redefining what excellence in cyber defence looks like. With over $1B in global revenue, this organisation delivers end to end IT outsourcing and managed services … to customers across enterprise, public sector and fast growing scale ups. Its Security Practice protects clients through capabilities including Managed Detection and Response (MDR), Threat Hunting, Vulnerability Management, Penetration Testing and Incident Response, supported by a consulting led Security Advisory practice. As a Senior Security Engineer, you will be responsible for designing, implementing and maintaining … the tools, platforms and integrations that power the company’s Security Operations Centre and Cyber Defence services. This role blends hands on technical engineering with solution design and automation, ideal for someone who thrives on solving complex problems, improving processes and enabling analysts to detect and respond faster. Why This Role Stands Out • Join a $1B global IT and More ❯

Senior Security Engineer £80,000 + Bonus + Benefits + Training Hybrid (Portsmouth, UK) Company & Role This is an opportunity to join a fast growing, people first global service provider that is redefining what excellence in cyber defence looks like. With over $1B in global revenue, this organisation delivers end to end IT outsourcing and managed services … to customers across enterprise, public sector and fast growing scale ups. Its Security Practice protects clients through capabilities including Managed Detection and Response (MDR), Threat Hunting, Vulnerability Management, Penetration Testing and Incident Response, supported by a consulting led Security Advisory practice. As a Senior Security Engineer, you will be responsible for designing, implementing and maintaining … the tools, platforms and integrations that power the company’s Security Operations Centre and Cyber Defence services. This role blends hands on technical engineering with solution design and automation, ideal for someone who thrives on solving complex problems, improving processes and enabling analysts to detect and respond faster. Why This Role Stands Out • Join a $1B global IT and More ❯

Senior Security Engineer £80,000 + Bonus + Benefits + Training Hybrid (Portsmouth, UK) Company & Role This is an opportunity to join a fast growing, people first global service provider that is redefining what excellence in cyber defence looks like. With over $1B in global revenue, this organisation delivers end to end IT outsourcing and managed services … to customers across enterprise, public sector and fast growing scale ups. Its Security Practice protects clients through capabilities including Managed Detection and Response (MDR), Threat Hunting, Vulnerability Management, Penetration Testing and Incident Response, supported by a consulting led Security Advisory practice. As a Senior Security Engineer, you will be responsible for designing, implementing and maintaining … the tools, platforms and integrations that power the company’s Security Operations Centre and Cyber Defence services. This role blends hands on technical engineering with solution design and automation, ideal for someone who thrives on solving complex problems, improving processes and enabling analysts to detect and respond faster. Why This Role Stands Out • Join a $1B global IT and More ❯

Senior Security Engineer – Detection & Automation Here’s a great opportunity for a hands-on Senior Security Engineer who enjoys building, optimising, and automating SOC infrastructure. This role sits within a growing Cyber Defence operation where you’ll help design and maintain the platforms behind SIEM, EDR, SOAR, and threat intelligence tooling, improving detection coverage … and enabling analysts to respond faster. Key responsibilities: Engineer and maintain SIEM, EDR, SOAR, and logging platforms. Develop automation and integrations using scripting or API connections. Tune detection use cases and improve visibility across cloud/on-prem environments. Support client onboarding and configuration alignment. Mentor junior engineers and analysts. You’ll bring: 3–5 years’ experience in SOC … or security engineering. Strong knowledge of platforms such as Sentinel, Splunk, Defender, or Elastic. Scripting/automation ability (PowerShell, KQL, Python, etc.). Understanding of Azure/AWS cloud and network fundamentals. Desirable: Experience with SOAR tools or Infrastructure-as-Code (Terraform, Bicep, ARM). Knowledge of MITRE ATT&CK mapping or threat detection frameworks. What’s in it More ❯

Senior Fire & Security Engineer Location: London (Field-Based) Salary: Up to £47,000 + Overtime & Benefits A leading national fire & security provider is seeking an experienced Senior Fire & Security Service Engineer to join their service team in London. This role focuses on complex maintenance, diagnostics and customer support across major commercial contracts, with … diagnostics Small remedial works and panel programming/resetting Supporting and mentoring junior or trainee engineers Completing compliance reports and certification to NSI/BAFE standards Acting as a senior point of contact on key London sites Experience & Requirements Proven experience as a Fire & Security Service Engineer Strong knowledge of fire alarm panels (e.g. Advanced, Kentec, Gent … standby/call-out rota 25 days holiday + bank holidays Pension scheme Uniform, PPE, tools & test equipment provided Ongoing manufacturer and advanced technical training Progression routes to Lead Engineer, Commissioning or Supervisor Employee recognition and referral schemes Why Join? This is a senior-level opportunity with a company investing heavily in engineering teams, training and long-term More ❯

Senior Application Security Engineer Cambridgeshire Based - 1-2 days a week onsite We are looking for an experienced Senior Application Security Engineer to join our client's expanding Cyber Security team. This is an incredible opportunity to craft a world-class Application Security function , playing a critical role in embedding security within all stages of the development lifecycle. What you'll be doing: Becoming a key contributor to the Cyber team by focusing on application security architecture and implementing a robust risk management programme. Collaborating closely with different teams to devise plans, perform threat modelling, adopt architecture best practices, drive secure development lifecycles, and manage risk remediation. Providing expertise … in security best practices and compliance while undertaking hands-on security testing. Identifying application security risks and supporting requirements for new projects and system developments. Representing the Cyber team during review sprints to ensure application security is prioritised before deployment. Partnering with architecture and development teams to review application design and code for security vulnerabilities. More ❯

Senior ICS OT Cyber Security EngineerStone, Staffordshire – Hybrid + UK Wide TravelCompetitive Salary VIQU are working with a leading operational technology and digital transformation organisation delivering critical projects across energy, water, renewables, and manufacturing. The Senior ICS OT Cyber Security Engineer will secure and optimise industrial control systems, conduct threat assessments, penetration testing, and design … technical solutions to mitigate cyber risks. The role involves mentoring junior engineers, collaborating with stakeholders, with occasional travel to client sites and the Stone office. Key Responsibilities of the Senior ICS OT Cyber Security Engineer: Design and secure OT/ICS networks and cross-domain communications. Conduct threat modelling, vulnerability assessments, and red team exercises. Implement cybersecurity … solutions, audit systems, and ensure compliance with relevant frameworks. Mentor junior team members and support project delivery. Maintain strong client and stakeholder relationships. Key Requirements of the Senior ICS OT Cyber Security Engineer: Degree in Computer Science, Systems Engineering, or similar with 5+ years’ relevant experience. 2+ years’ experience in ICS/critical infrastructure cybersecurity. Knowledge of More ❯

This is a prime opportunity to design and engineer the core platforms behind a rapidly growing Security Operations Centre (SOC), blending hands-on technical work with automation and solution design. You’ll collaborate with analysts, architects, and customers to build reliable, scalable systems that accelerate threat detection and response, all in a collaborative culture that invests in your … growth, wellbeing, and career progression. Job Title: Senior Security Engineer Job Type: Permanent Salary: Up to £78,500 (DOE) + Bonus Working arrangement: Hybrid Office Location: Portsmouth As a Senior Security Engineer, you will: Design, deploy, and maintain core SOC technologies (SIEM, EDR, SOAR, threat intelligence, and logging infrastructure). Develop and optimise detection … use cases, correlation rules, and analytics content. Build and maintain automation workflows and integrations using automation platforms or custom scripting. Engineer secure log ingestion pipelines across hybrid cloud and on-prem environments. Support client onboarding, threat hunting, detection engineering, and process improvements. Mentor junior engineers and maintain documentation, diagrams, and standards. Required Experience/Skills: 5 years’ experience in More ❯

This is a prime opportunity to design and engineer the core platforms behind a rapidly growing Security Operations Centre (SOC), blending hands-on technical work with automation and solution design. You’ll collaborate with analysts, architects, and customers to build reliable, scalable systems that accelerate threat detection and response, all in a collaborative culture that invests in your … growth, wellbeing, and career progression. Job Title: Senior Security Engineer Job Type: Permanent Salary: Up to £78,500 (DOE) + Bonus Working arrangement: Hybrid Office Location: Portsmouth As a Senior Security Engineer, you will: Design, deploy, and maintain core SOC technologies (SIEM, EDR, SOAR, threat intelligence, and logging infrastructure). Develop and optimise detection … use cases, correlation rules, and analytics content. Build and maintain automation workflows and integrations using automation platforms or custom scripting. Engineer secure log ingestion pipelines across hybrid cloud and on-prem environments. Support client onboarding, threat hunting, detection engineering, and process improvements. Mentor junior engineers and maintain documentation, diagrams, and standards. Required Experience/Skills: 5 years’ experience in More ❯

A quick look at the role The Security Engineer will be responsible for monitoring our organisation's systems and networks. You will use reports and measures to identify and mitigate security risks, implement security responses, and monitor for potential threats. This is a hybrid role with a minimum of 2 days a week in the office. … Your core responsibilities Strategic design of security protocols and policies. Implement, review and maintain governance of IT security policies and procedures. Act as an ambassador as the Security lead within the business aiming to foster a secure culture. Oversee daily security operations to ensure prompt resolution of security incidents and supporting various security projects. … Take ownership and accountability or the Security function delivery of services to the business. Conduct regular system tests to ensure the effectiveness of security measures in line with industry standards. Monitor our networks and systems for security breaches or intrusions. Investigate security breaches and other cybersecurity incidents. Install security measures and operate software to protect More ❯

Portsmouth - hybrid (2-3 days on-site per week) Permanent Up to £78,500 + bonus This is a prime opportunity to design and engineer the core platforms behind a rapidly growing Security Operations Centre (SOC), blending hands-on technical work with automation and solution design. You’ll collaborate with analysts, architects, and customers to build reliable, scalable … systems that accelerate threat detection and response, all in a collaborative culture that invests in your growth, wellbeing, and career progression. Job Title: Senior Security Engineer Job Type: Permanent Salary: Up to £78,500 (DOE) + Bonus Working arrangement: Hybrid Office Location: Portsmouth As a Senior Security Engineer, you will: Design, deploy, and maintain … intelligence, and logging infrastructure). Develop and optimise detection use cases, correlation rules, and analytics content. Build and maintain automation workflows and integrations using automation platforms or custom scripting. Engineer secure log ingestion pipelines across hybrid cloud and on-prem environments. Support client onboarding, threat hunting, detection engineering, and process improvements. Mentor junior engineers and maintain documentation, diagrams, and 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 … junior network engineers, fostering a culture of best practises within the technical team. What We're Looking For: Recent experience (within last two years) of a Network Administrator/Engineer role working with Cisco routers and switches with a minimum of five years experience within network engineering roles Able to articulate technical designs and principles to a non-technical 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 … junior network engineers, fostering a culture of best practises within the technical team. What We're Looking For: Recent experience (within last two years) of a Network Administrator/Engineer role working with Cisco routers and switches with a minimum of five years experience within network engineering roles Able to articulate technical designs and principles to a non-technical 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 … junior network engineers, fostering a culture of best practises within the technical team. What We're Looking For: Recent experience (within last two years) of a Network Administrator/Engineer role working with Cisco routers and switches with a minimum of five years experience within network engineering roles Able to articulate technical designs and principles to a non-technical 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 ❯

Job Title: Senior Application Security Engineer Salary: £70,000 Location: Reading/remote About the Organisation Join a fast-growing UK technology and consulting firm that's investing heavily in cutting-edge cyber security. With a strong focus on innovation, collaboration, and professional development, this company empowers its people to shape the future of secure digital transformation … ll be part of a business that values expertise, agility, and doing the right thing - where everyone has the opportunity to make a genuine impact. About the Role The Senior Application Security Engineer will play a key role in protecting the organisation's infrastructure, cloud platforms, and applications. Working within a highly technical and collaborative cyber team … supported by a 24/7 external SOC - you'll research, test, and implement next-generation security solutions to safeguard data and systems. This role offers the chance to lead on application and cloud security initiatives, influence secure design standards, and mentor colleagues in best practices. Key Responsibilities Lead application and cloud security initiatives, ensuring systems and More ❯

Job Title: Senior Application Security Engineer Salary: £70,000 Location: Reading/remote About the Organisation Join a fast-growing UK technology and consulting firm that's investing heavily in cutting-edge cyber security. With a strong focus on innovation, collaboration, and professional development, this company empowers its people to shape the future of secure digital transformation … ll be part of a business that values expertise, agility, and doing the right thing - where everyone has the opportunity to make a genuine impact. About the Role The Senior Application Security Engineer will play a key role in protecting the organisation's infrastructure, cloud platforms, and applications. Working within a highly technical and collaborative cyber team … supported by a 24/7 external SOC - you'll research, test, and implement next-generation security solutions to safeguard data and systems. This role offers the chance to lead on application and cloud security initiatives, influence secure design standards, and mentor colleagues in best practices. Key Responsibilities Lead application and cloud security initiatives, ensuring systems and More ❯

Senior Security Engineer Cambridge (Flexible working arrangements available) £80k-£100k 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 ❯