26 to 50 of 256 Permanent Senior Security Engineer Jobs

Senior Security Engineer

Hiring Organisation
Taylor James Resourcing
Location
London, United Kingdom
Salary
£ 80 K
Date: 10 Apr 2026Sector: ITType: PermanentLocation: LondonSalary: 80000 - 95000 per annumEmail: duncan@taylorjamesresourcing.comRef: DB100426 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. ...

Senior Security Innovation Engineer - Welwyn Garden City, United Kingdom of Great Britain and Northern Ireland

Hiring Organisation
Tesco
Location
Welwyn Garden City, Hertfordshire, United Kingdom
Salary
£ 70 K
About the role: As a Senior Security Engineer in Tesco’s Innovation Engineering team, you will pioneer next generation security capabilities that proactively protect a retail ecosystem serving millions of customers. You will combine deep engineering expertise with an innovation mindset to build production-grade solutions … that measurably reduce risk and improve resilience. You will also act as a technical leader, setting engineering direction, raising standards, and influencing across diverse security and technology teams with a customer-first focus. In the immediate term, you will focus on the needs of our Cyber Threat Intelligence ...

Senior Application Security Engineer

Hiring Organisation
Cloudsmith
Location
Belfast, Down, United Kingdom
Salary
£ 60 K
looking for a deeply technical Application Security Engineer to embed inside engineering and help secure Cloudsmith 2.0, the operating system for the modern software supply chain. The ideal person is a software engineer at heart who chose to specialize in security. You should be comfortable moving between … code, architecture, and security design.About CloudsmithCloudsmith is building the operating system for the modern software supply chain.We run a global, fully managed, multi-tenant SaaS platform that helps organizations, from startups to the Fortune 500, secure, govern, and distribute software artifacts at scale.Worldwide, our customers use Cloudsmith ...

Senior Application Security Engineer

Hiring Organisation
TripAdvisor
Location
London, United Kingdom
Salary
Confidential
subsidiaries of Tripadvisor, Inc. (Nasdaq: TRIP), include a portfolio of travel brands and businesses, including Tripadvisor, Viator, and TheFork.We are looking for an experienced Senior Application Security Engineer to join our growing team at Tripadvisor Experiences. In this role, you will take a lead position in securing … applications that power our platform. As a Senior Engineer, you will design and implement advanced security measures, mentor junior engineers, and play a key role in ensuring the security of our products and infrastructure. This is a fantastic opportunity to influence our security practices ...

Senior Security Engineer

Hiring Organisation
83zero Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Security Engineer - GenAI/AI Security Up to £110,000 + Excellent Benefits London - Hybrid | 1-2 days per week in the office Permanent The Opportunity Are you an experienced Security Engineer with a strong interest in Generative AI, LLM security and cyber engineering … looking for a talented Security Engineer to join an established technology environment, where you'll play a key role in designing and developing security solutions that protect AI and LLM-based applications from emerging threats, including adversarial attacks and prompt injection. This is an exciting opportunity ...

Senior Application Security Engineer

Hiring Organisation
Cloudsmith
Location
Belfast, UK
Employment Type
Full-time
looking for a deeply technical Application Security Engineer to embed inside engineering and help secure Cloudsmith 2.0, the operating system for the modern software supply chain. The ideal person is a software engineer at heart who chose to specialize in security. You should be comfortable moving between … code, architecture, and security design. About CloudsmithCloudsmith is building the operating system for the modern software supply chain. We run a global, fully managed, multi-tenant SaaS platform that helps organizations, from startups to the Fortune 500, secure, govern, and distribute software artifacts at scale. Worldwide, our customers ...

Senior Cyber Security Engineer

Hiring Organisation
Circle Group
Location
Leeds, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent
Salary
£70,000
Senior Cyber Security Engineer - Up to £70K - Leeds (3 days a week in the office) This established international law firm in Leeds is looking for a Senior Cyber Security Engineer to take the reins on their security strategy. The Senior Cyber Security Engineer will be responsible for strengthening security across the firm, you'll protect client data and critical systems having excellent experience with Microsoft Sentinel, azure and Security Copilot. You will be in the office 3 days a week. What you'll bring: A minimum ...

Senior Security Engineer

Hiring Organisation
Mattermost
Location
United Kingdom
Salary
£ 70 K
Mattermost is the leading collaborative workflow platform for defense, intelligence, security, and critical infrastructure. Trusted by the U.S. Department of War and Fortune 500s, our platform runs on-premises and in private clouds, delivering secure messaging, file sharing, workflow automation, audio/screenshare, and project management—all with full … premises, cloud, and in air-gapped environments, enabling mission-critical workflows from the tactical edge to the enterprise HQ, where data sovereignty and operational security are non-negotiable.We are hiring a Senior Security Engineer to protect the people, infrastructure, and tooling that goes into building ...

Senior Application Security Engineer

Location
Greater London, England, United Kingdom
Tripadvisor, Inc. (Nasdaq: TRIP), include a portfolio of travel brands and businesses, including Tripadvisor, Viator, and TheFork. We are looking for an experienced Senior Application Security Engineer to join our growing team at Tripadvisor Experiences. In this role, you will take a lead position in securing … applications that power our platform. As a Senior Engineer, you will design and implement advanced security measures, mentor junior engineers, and play a key role in ensuring the security of our products and infrastructure. This is a fantastic opportunity to influence our security practices ...

Senior Physical Security Engineer / Consultant

Hiring Organisation
Arup
Location
London, United Kingdom
Salary
£ 80 K
ArupToday the risks to people, assets and organisations are rapidly evolving. We help clients navigate the toughest questions in the spheres of safety risk, security risk and business risk. Whether due to geopolitical risk, climate change, life extension of ageing infrastructure or the increased connectivity of our built environment … help clients develop appropriate and proportionate solutions to their risks.Our Resilience Security and Risk team includes leading experts in security intelligence, blast and protective design, physical and electronic security design, cyber-security, personnel and operational security.The Opportunity We work closely with other disciplines in Arup ...

Senior Cyber Security Engineer

Hiring Organisation
Circle Group
Location
Leeds, UK
Employment Type
Full-time
Senior Cyber Security Engineer - Up to £70K - Leeds (3 days a week in the office) This established international law firm in Leeds is looking for a Senior Cyber Security Engineer to take the reins on their security strategy. The Senior Cyber Security Engineer will be responsible for strengthening security across the firm, xxuwjjq you'll protect client data and critical systems having excellent experience w... All the relevant skills, qualifications and experience that a successful applicant will need are listed in the following description. ...

Senior Security Engineer

Hiring Organisation
Morson Edge
Location
Glasgow, Lanarkshire, Scotland, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
Role: Senior Security Engineer Glasgow | Hybrid Working | Up to £81,000 + 15% Bonus Travel: Circa 2 days per week to operational sites across the UK Help Shape the Future of Renewable Energy Security As Senior Security Engineer, you will play … including hydro, wind, solar, battery storage and gas generation. With significant investment underway and increasing regulatory requirements, you will have the opportunity to influence security strategy, design future-state OT architectures, and help protect critical national infrastructure that keeps the UKs energy network running. This is a highly visible ...

Senior Security Engineer

Location
Stepps, Dunbartonshire, United Kingdom
Role: Senior Security Engineer Glasgow Hybrid Working Up to £81,000 + 15% Bonus Travel: Circa 2 days per week to operational sites across the UK Help Shape the Future of Renewable Energy Security As Senior Security Engineer, you will play … including hydro, wind, solar, battery storage and gas generation. With significant investment underway and increasing regulatory requirements, you will have the opportunity to influence security strategy, design future-state OT architectures, and help protect critical national infrastructure that keeps the UKs energy network running. This is a highly visible ...

Senior Cloud Security Engineer

Hiring Organisation
AlphaSense
Location
London, United Kingdom
Salary
£ 80 K
globe and offices in the U.S., U.K., Finland, India, Singapore, Canada, and Ireland. Come join us!Location: Remote, within UKAbout the RoleAs a Senior Cloud Security Engineer you’ll be working to improve the security of AlphaSense’s cloud environments as part of the cloud security team. The team has strong independence to plan, drive and develop security improvements and controls, and you’ll have room to select your focus within the responsibilities of the team. This is a hands-on, high-autonomy role: you’ll own security projects end to end — from ...

Senior Security Engineer

Hiring Organisation
Copello
Location
Edinburgh, City of Edinburgh, United Kingdom
Employment Type
Permanent
Salary
£70000 - £95000/annum +Bonus + Car Allowance
Senior Software Cybersecurity Engineer - Edinburgh (Hybrid) Are you a Senior Cybersecurity Engineer with strong AppSec, DevSecOps, Cloud and Kubernetes experience? I'm currently working on an exciting opportunity, supporting the Avigilon security team in protecting the software, cloud platforms and intellectual property behind their physical … video security solutions. This is a hands-on role where you'll work closely with software engineering teams to identify vulnerabilities, improve security throughout the SDLC and build secure-by-design solutions. What you'll be doing Conduct threat modelling, risk assessments and security architecture reviews Assess ...

Senior Cloud Security Engineer

Hiring Organisation
AlphaSense
Location
London, UK
Employment Type
Full-time
globe and offices in the U.S., U.K., Finland, India, Singapore, Canada, and Ireland. Come join us! Location: Remote, within UKAbout the RoleAs a Senior Cloud Security Engineer you'll be working to improve the security of AlphaSense's cloud environments as part of the cloud security team. The team has strong independence to plan, drive and develop security improvements and controls, and you'll have room to select your focus within the responsibilities of the team. This is a hands-on, high-autonomy role: you'll own security projects end to end — from ...

Senior Cyber Security Engineer

Hiring Organisation
Comtecs
Location
City of London, London, United Kingdom
Employment Type
Permanent
Cyber Security Specialist/Cyber Security Engineer - CISSP, CEH, CCNA Security, Incident Response, Threat Monitoring, Vulnerability Management, Security Architecture, Azure, Windows Server Infrastructure. Permanent. London Hybrid. c.£90k - £100k + Bons +Benefits Global Law Firm seeks an experienced IT Cyber Security Specialist to join … supporting and continually improving cybersecurity across a global IT environment. Reporting to the Infrastructure Engineering Manager, you'll take ownership of cybersecurity controls and security architecture while working closely with Infrastructure Operations and other technology teams to identify vulnerabilities, respond to incidents and strengthen the firm's overall security ...

Senior Security Engineer

Hiring Organisation
Kainos
Location
Birmingham, West Midlands (County), United Kingdom
Salary
£ 70 K
part of a diverse, ambitious team that celebrates creativity and collaboration.Ready to make your mark? Join us and be part of something bigger.As a Senior Security Engineer, you will work in close collaboration with our technology teams to design and implement secure, cloud-based software solutions … clients. Working as part of a multi-disciplinary Agile team, you will implement DevSecOps practices throughout the software development lifecycle, embedding security practices (e.g. vulnerability management, threat modelling etc.) and automating security artifact generation (e.g. secret scanning, container security, SAST, DAST etc.). You will provide subject ...

Senior Cyber Security Engineer

Hiring Organisation
The Financial Times
Location
London, UK
Employment Type
Full-time
committed to removing barriers for everyone, with a focus on addressing those faced by underrepresented groups. The Role OverviewWe're looking for a Senior Cyber Security Engineer to help mature application and cloud security across the FT's cloud-native, AWS-hosted technology estate. This role … approximate 50/50 focus across application security and cloud security, working closely with product, platform and engineering teams to make secure delivery easier by default. You'll shape and improve developer-friendly guardrails across GitHub-based CI/CD pipelines, AWS environments and infrastructure-as-code workflows. ...

Senior Security Engineer

Hiring Organisation
Hackajob Ltd
Location
Birmingham, West Midlands, United Kingdom
Employment Type
Permanent
Salary
£90,000
diverse, ambitious team that celebrates creativity and collaboration. Ready to make your mark? Join us and be part of something bigger. As a Senior Security Engineer, you will work in close collaboration with our technology teams to design and implement secure, cloud-based software solutions … clients. Working as part of a multi-disciplinary Agile team, you will implement DevSecOps practices throughout the software development lifecycle, embedding security practices (e.g. vulnerability management, threat modelling etc.) and automating security artifact generation (e.g. secret scanning, container security, SAST, DAST etc.). You will provide subject ...

Senior Cyber Security Engineer

Hiring Organisation
The Financial Times
Location
London, United Kingdom
Salary
£ 80 K
committed to removing barriers for everyone, with a focus on addressing those faced by underrepresented groups.The Role OverviewWe’re looking for a Senior Cyber Security Engineer to help mature application and cloud security across the FT’s cloud-native, AWS-hosted technology estate. This role … approximate 50/50 focus across application security and cloud security, working closely with product, platform and engineering teams to make secure delivery easier by default.You’ll shape and improve developer-friendly guardrails across GitHub-based CI/CD pipelines, AWS environments and infrastructure-as-code workflows. This ...

Senior Cyber Security Engineer

Hiring Organisation
The Co-Operative Group
Location
United Kingdom
Salary
£ 60 K
Cyber Security Engineer60,000 - 66,000 plus great benefits (Work Level 5) Manchester city centre - in this role you’ll work in a hybrid way splitting your time between home and the office once a week (find out more about our hybrid working policy at https://jobs.coop.co.uk … ways of working so we can deliver even better services for our Co-op, our colleagues, members and customers.We're looking for a Cyber Security Engineer to join our Information Security team and help us strengthen and evolve our cyber security capabilities. In this role ...

Senior Application Security Engineer

Hiring Organisation
TripleLift
Location
London, United Kingdom
Salary
£ 70 K
NMSDC certified, qualify for diverse spending goals and are committed to economic inclusion. Find out how TripleLift raises up the programmatic ecosystem at triplelift.com.OverviewThe Senior Application Security Engineer plays a critical role in driving secure software development and application security maturity within TripleLift's Engineering … Security organization, directly influencing how we protect our advertising platforms and the trust our publishers and advertisers place in us. In this position, you will partner closely with Engineering, Platform, Cloud Infrastructure, and Security teams to shape secure coding practices, application security tooling, vulnerability remediation ...

Senior Fire & Security Engineer

Hiring Organisation
Alecto Recruitment
Location
City, Manchester, United Kingdom
Employment Type
Permanent
Salary
GBP 40,000 - 45,000 Annual
FLT33756 Senior Fire & Security Engineer LOCATION - Bury, Manchester Up to 45,000 + Overtime + Benefits Alecto Recruitment is looking to hear from an experienced Senior Fire & Security Engineer who is looking for a role where their technical ability is genuinely valued. … looking for someone with a strong background across Fire & Security , ideally with solid commissioning experience , who can work independently, deal confidently with customers and take ownership of their work. This is a great opportunity for an engineer who has reached the point where they're looking for more ...

Senior Security Engineer

Hiring Organisation
Docebo
Location
London, United Kingdom
Salary
£ 70 K
what are you waiting for? Join 900+ Docebians around the world and help us reinvent the way people learn, because learning never stops.Role OverviewThe Senior Security Engineer will play a central role in securing Docebo's cloud infrastructure, with a primary focus on AWS environments. Working closely … with Cloud Infrastructure & Operations, Engineering, and other security teams, this role is responsible for designing, implementing, and continuously improving cloud security controls across all layers of the stack — from infrastructure provisioning and container orchestration to runtime detection and compliance enforcement. This is a hands-on, high-ownership role ...