1 to 25 of 395 Senior Security Engineer Jobs in the UK

Senior Security Engineer

Hiring Organisation
Circle Recruitment
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£600.00 - £700.00 per day
Senior Security Engineer 2.4 Months £700/Day Inside IR35 Locations Nationally Clearance: SC We are seeking a Senior Security Engineer for our Government client and can based at your nearest hub (they have offices nationally). All staff working for the client … expected to spend at least 40% of their working time in their nearest office. The Senior Security Engineer role is a 2.4 month contract paying between £600 - £700/Day Inside IR35. This role is inside IR35 - Due to the service of the role it will ...

Senior Application Security Engineer - DevSecOps & Cloud Security

Hiring Organisation
Additional Resources
Location
London, United Kingdom
Salary
£ 70 K
/AR/070467Job Type: Full-time, PermanentSalary: 70,000 - 80,000Location: LondonSector: ITPosted: 2026-07-02An opportunity has arisen for a Senior Application Security Engineer to join a well-established health research organisation and charity that supports large-scale medical research to improve disease prevention … diagnosis and treatment.As a Senior Application Security Engineer, you will play a key part in integrating security throughout the software development lifecycle, working alongside engineering and cloud teams to build, improve and maintain secure applications, platforms and deployment processes.This is not a traditional vulnerability management role ...

Senior Application Security Engineer - DevSecOps & Cloud Security

Hiring Organisation
Additional Resources
Location
London, UK
Employment Type
Full-time
/AR/070467Job Type: Full-time, PermanentSalary: 70,000 - 80,000Location: LondonSector: ITPosted: 2026-07-02An opportunity has arisen for a Senior Application Security Engineer to join a well-established health research organisation and charity that supports large-scale medical research to improve disease prevention … diagnosis and treatment. As a Senior Application Security Engineer, you will play a key part in integrating security throughout the software development lifecycle, working alongside engineering and cloud teams to build, improve and maintain secure applications, platforms and deployment processes. This is not a traditional vulnerability ...

Senior Application Security Engineer / DevSecOps Engineer

Location
Greater London, England, United Kingdom
have a background in Application Security, DevSecOps or Product Security, with hands:on experience embedding application security into the SDLC? If so, this could be an opportunity worth considering.Join a well:established health research organisation and charity supporting large:scale medical research. You will work closely with … engineering, architecture and cloud teams to integrate security throughout the software development lifecycle. Microsoft Azure and KQL experience are essential, alongside relevant experience in CI/CD, Kubernetes, API security, security:as:code and security automation. This is a hands:on application security role focused ...

Senior Application Security Engineer / DevSecOps Engineer

Hiring Organisation
Additional Resources
Location
London, United Kingdom
Salary
£ 80 K
Reference: SBM/AR/070570Job Type: Full-time, PermanentSalary: 80,000Location: LondonSector: ITPosted: 2026-08-25Do you have a background in Application Security, DevSecOps or Product Security, with hands-on experience embedding application security into the SDLC? If so, this could be an opportunity worth … well-established health research organisation and charity supporting large-scale medical research. You will work closely with engineering, architecture and cloud teams to integrate security throughout the software development lifecycle.Microsoft Azure and KQL experience are essential, alongside relevant experience in CI/CD, Kubernetes, API security, security ...

Senior Application Security Engineer / DevSecOps Engineer

Hiring Organisation
Additional Resources
Location
London, United Kingdom
Employment Type
Permanent
Salary
£80000 - £90000/annum
have a background in Application Security, DevSecOps or Product Security, with hands-on experience embedding application security into the SDLC If so, this could be an opportunity worth considering. Join a well-established health research organisation and charity supporting large-scale medical research. You will work closely … with engineering, architecture and cloud teams to integrate security throughout the software development lifecycle. Microsoft Azure and KQL experience are essential, alongside relevant experience in CI/CD, Kubernetes, API security, security-as-code and security automation. This is a hands-on application security role ...

Senior Information Security Engineer

Hiring Organisation
Client Server
Location
United Kingdom
Senior Information Security Engineer (Microsoft) London/WFH to £110k Are you a Senior Information Security Engineer with strong Microsoft security experience looking for an opportunity to make a genuine impact? You could be progressing your career working on a financial Tech … sophisticated technology. This is a relatively lean organisation with little hierarchy and genuine ownership, giving you the opportunity to work closely with the CISO, senior stakeholders, shape security strategy and make a visible difference. The business is also embracing AI across security and the wider organisation ...

Senior / 3rd Line IT Engineer – Infrastructure & Cyber Security

Hiring Organisation
Recruitment Revolution
Location
Colchester, Essex, United Kingdom
Salary
£ 55 K
built solid 3rd Line infrastructure experience. You know how to get to the bottom of complex technical problems, understand the importance of security and you're ready for more ownership.This could be that step.Join Bulk, one of Europe's leading active nutrition brands, and take ownership across the infrastructure … cyber security environment supporting our fast-moving digital business.You'll work across cloud, networks, endpoints and security, strengthen our email security, help lead our upcoming Cyber Essentials project and tackle the security challenges that come with our rapidly evolving use of AI.We're ahead ...

Senior Information Security Engineer

Hiring Organisation
Client Server
Location
London, United Kingdom
Salary
£ 100 K
Senior Information Security Engineer (Microsoft) London/WFH to £110kAre you a Senior Information Security Engineer with strong Microsoft security experience looking for an opportunity to make a genuine impact You could be progressing your career working on a financial Tech for Good … using sophisticated technology.This is a relatively lean organisation with little hierarchy and genuine ownership, giving you the opportunity to work closely with the CISO, senior stakeholders, shape security strategy and make a visible difference. The business is also embracing AI across security and the wider organisation ...

Senior / 3rd Line IT Engineer - Infrastructure & Cyber Security

Hiring Organisation
RecruitmentRevolution.com
Location
CO4, Mile End, Essex, United Kingdom
Employment Type
Permanent
built solid 3rd Line infrastructure experience. You know how to get to the bottom of complex technical problems, understand the importance of security and you're ready for more ownership. This could be that step. Join Bulk™ , one of Europe's leading active nutrition brands, and take ownership across … infrastructure and cyber security environment supporting our fast-moving digital business. You'll work across cloud, networks, endpoints and security, strengthen our email security, help lead our upcoming Cyber Essentials project and tackle the security challenges that come with our rapidly evolving use of AI. ...

Senior Security Engineer

Location
Greater London, England, United Kingdom
Staff Software Security Engineer Salary: Up to £135,000 + Benefits Location: London (Hybrid – 3 days per week in the office) We are currently looking for a Staff Software Security Engineer to join a fast-growing, innovative technology business operating at the forefront … data-driven products. This is an exciting opportunity to join a highly collaborative, engineering-led environment where security is viewed as a key enabler of innovation. Reporting to the Head of Engineering, the Staff Software Security Engineer will play a pivotal role in shaping the organisation ...

Senior Information Security Engineer - Investment Management

Hiring Organisation
Client Server
Location
London, United Kingdom
Salary
£ 120 K
Senior Information Security Engineer London to 150kAre you an experienced Information Security professional with Investment Management experience You could be progressing your career, working at the intersection of technology, security and governance within a fast paced Hedge Fund.As a Senior Information Security Engineer, you'll lead the security function from both a technical and risk perspective for the London office, collaborating with colleagues in New York. You will be the sole UK based security engineer/lead responsible for designing, implementing and maintaining security controls and GRC compliance.You ...

Senior Application Security Engineer

Hiring Organisation
Tec Partners Recruitment Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £575/day
Title: Senior Application Security Engineer Location: London, UK Rate: £575 per day, Inside IR35 (dependent on experience) Duration: 6 months Tec Partners are working with a leading technology client, who are currently looking for an experienced Senior Application Security Engineer to work … customer assignment, providing subject matter expertise across code review, penetration testing, and secure development lifecycle initiatives. As a Senior Application Security Engineer, you will combine hands-on technical delivery with cross-team guidance, serving as the go-to expert on application security for internal development teams. ...

Senior Cyber Security Engineer (EDR) Senior Security Engineer – Monitoring & Detection

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Salary
£ 70 K
Senior Security Engineer – Monitoring & Detectionð Hybrid Working (Bristol, London, Manchester or Swansea)ð 55,000 – 85,000 + Benefitsð Active SC Clearance RequiredJoin a Team Protecting Critical Digital ServicesWe’re looking for an experienced Senior Security Engineer – Monitoring & Detection to play a key role … large-scale, cloud-based environments supporting critical public sector and government services.This is a hands-on engineering role focused on threat detection, SIEM engineering, security monitoring, log management, and SOC optimisation. You’ll design and enhance detection capabilities, improve security visibility, and ensure organisations can rapidly identify ...

Senior Security Engineer - 12 Months FTC London

Location
Greater London, England, United Kingdom
Senior Security Engineer - 12 Months FTC London Senior Security Engineer - 12 Months FTC Join Pay.UK as a Senior Security Engineer and help protect the systems that support everyday payments across the UK. This role provides an opportunity to put advanced security engineering skills to work in a setting where trust, reliability, and clear standards are valued every day. You’ll work on security within the organisation that maintains and develops UK retail payment systems processing over 11 billion transactions worth over £10 trillion each year. We’re looking ...

Senior Cloud Security Engineer (GCP) - Engine by Starling

Hiring Organisation
Starling Bank
Location
London, United Kingdom
Salary
£ 80 K
offices so that we're able to interact and collaborate in person. About Engineering at Engine by Starling —As a Security Engineer at Engine, you'll be working on helping to keep our infrastructure secure and compliant and our staff safe and productive. You'll be working … projects covering identity and access management, cloud and network security, vulnerability management, security monitoring, security hardening, compliance reviews, and more. It's a very varied role with lots of close interaction with the infrastructure, security engineering, cross-cutting and compliance teams.We are looking for an experienced ...

Senior Cyber Security Engineer

Hiring Organisation
Addition
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£600.00 per day
Senior Cyber Security Engineer Start Date: TBC £600 per day Location: TBC | Hybrid Arrangement We’re partnering with a growing technology organisation to appoint an experienced Senior Cyber Security Engineer specialising in CyberArk and privileged access management. This is a senior technical role … with responsibility for the design, deployment and ongoing health of security tooling across multiple managed client environments. CyberArk will be your deepest area of expertise, complemented by hands-on experience across the wider modern security stack, including Zscaler, EDR, SIEM and vulnerability management. The Opportunity As Senior ...

Senior Cloud & AI Security Enablement Engineer

Location
Farringdon, England, United Kingdom
Senior Cloud & AI Security Enablement Engineer Enthusiastic about securing cloud platforms and AI-driven solutions in a rapidly evolving technology landscape? Do you enjoy designing security frameworks, enabling secure development practices, and partnering with engineering teams to build resilient, scalable, and compliant cloud and AI environments … workflows with natural language questions, surfacing structured, decision-ready insights grounded in trusted data and established metrics. About the role We are seeking a Senior Cloud & AI Security Enablement Engineer to provide hands‐on cloud security engineering capability while also enabling the secure and effective ...

Senior Cloud & AI Security Enablement Engineer

Location
East Devon, England, United Kingdom
Senior Cloud & AI Security Enablement Engineer Enthusiastic about securing cloud platforms and AI-driven solutions in a rapidly evolving technology landscape? Do you enjoy designing security frameworks, enabling secure development practices, and partnering with engineering teams to build resilient, scalable, and compliant cloud and AI environments … workflows with natural language questions, surfacing structured, decision-ready insights grounded in trusted data and established metrics. About the role: We are seeking a Senior Cloud & AI Security Enablement Engineer to provide hands‐on cloud security engineering capability while also enabling the secure and effective ...

Senior Cloud & AI Security Enablement Engineer

Hiring Organisation
RELX Group
Location
Exeter, Devon, United Kingdom
Salary
£ 70 K
Senior Cloud & AI Security Enablement Engineer Enthusiastic about securing cloud platforms and AI-driven solutions in a rapidly evolving technology landscape Do you enjoy designing security frameworks, enabling secure development practices, and partnering with engineering teams to build resilient, scalable, and compliant cloud and AI environments … based workflows with natural language questions, surfacing structured, decision-ready insights grounded in trusted data and established metrics.About the role: We are seeking a Senior Cloud & AI Security Enablement Engineer to provide hands-on cloud security engineering capability while also enabling the secure and effective ...

Senior Security Engineer - Detection Engineering - 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 Detection Engineering team, you will lead the technical design of security-first infrastructure and deliver high-impact engineering outcomes that protect a global retail ecosystem serving millions of customers. You will translate complex threat … risk signals into resilient, testable, and automated security capabilities across Tesco’s technology landscape. This role blends deep engineering leadership with a customer-first mindset: preventing disruption, safeguarding trust, and raising the bar on engineering quality across cyber defence. You will also mentor engineers and help shape an innovation ...

Senior Systems Security Engineer

Location
High Wycombe, England, United Kingdom
Senior Systems Security Engineer – Training Services Delivery Location(s): High Wycombe/Northolt/Shrivenham Summary of Role The Future Joint Command and Staff Trainer (FJCAST) programme will transform the delivery of senior staff training, enabling Joint Headquarters, operational commands, coalition partners and allied nations … support the training, preparation, experimentation and evaluation of UK and allied operational headquarters. To assist with this, we have an exciting opportunity for a Senior Systems Security Engineer to provide the functional security governance, management and support to the Delivery Team across our FJCAST programme. This ...

Senior iOS Security Engineer – ProdSec

Location
Greater London, England, United Kingdom
Senior iOS Security Engineer (ProdSec) at iProov Senior iOS Security Engineer About iProov iProov provides science-based biometric solutions that enable the world’s most security-conscious organizations to streamline secure remote onboarding and authentication for digital and physical access. Our award-winning … against deepfakes and generative AI threats while ensuring effortless, scalable user experiences. Trusted by leading governments and enterprises, including the U.S. Department of Homeland Security, U.K. Home Office, GovTech Singapore, ING, and UBS, iProov sets the standard in biometric identity assurance. The Role Reports to: Head of Red Team ...

Senior Security Engineer

Hiring Organisation
ASSA ABLOY
Location
Olney, Buckinghamshire, United Kingdom
Salary
£ 70 K
Senior Security Engineer Do you have the ability to become the subject matter expert in implementation of security throughout the software delivery life cycle and a drive to grow your skills in a collaborative environment? Became a part of the ASSA ABLOY Global Solutions … Management business unit and enjoy a culture that empowers you to build a career you can be proud of.What you would do as our Senior Security EngineerAs a Senior Security Engineer you will be responsible for evolving the software development lifecycle to support a secure ...

Senior Security Engineer, Detection and Response

Location
Greater London, England, United Kingdom
Continuous Threat Exposure Management (CTEM). The HackerOne Platform unites agentic AI solutions with the ingenuity of the world’s largest community of security researchers to continuously discover, validate, prioritize, and remediate exposures across code, cloud, and AI systems. Through solutions like bug bounty, vulnerability disclosure, agentic pentesting … teaming, and code security, HackerOne delivers measurable, continuous reduction of cyber risk for enterprises. Industry leaders, including Anthropic, Crypto.com, General Motors, Goldman Sachs, Lufthansa, Uber, UK Ministry of Defence, and the U.S. Department of Defense, trust HackerOne to safeguard their digital ecosystems. HackerOne was recognized in Gartner’s Emerging ...