1 to 25 of 135 Senior Security Engineer Jobs in the UK

Senior Security Engineer

Hiring Organisation
Richmond Square Consulting Limited
Location
Manchester, North West, United Kingdom
Employment Type
Permanent
Senior Security Engineer Location: Manchester 5 days per week onsite Salary: £100,000 £140,000 + benefits Clearance: Active SC clearance required as a minimum, with willingness to undergo DV clearance Senior Security Engineer required for a major secure programme in Manchester. This Senior Security Engineer role will suit an experienced Security Engineer, Infrastructure Security Engineer, Network Security Engineer, Platform Security Engineer, Cyber Security Engineer or DevSecOps Engineer with strong enterprise firewalling, secure infrastructure, Elastic/SIEM, public cloud security ...

Senior Security Engineer

Hiring Organisation
Secure and Recruit Ltd
Location
Slough, Berkshire, United Kingdom
Employment Type
Permanent
Salary
GBP 50,000 - 55,000 Annual
Senior Security Engineer position available Salary Up to 55,000 Door-to-Door Travel Paid NO CALL OUT 37.5 Hour Working Week Our client is one of the South's most established Fire & Security providers, delivering integrated fire and security solutions across commercial, public sector … helped create a highly skilled engineering team and an excellent reputation within the industry. Due to continued growth, they are seeking an experienced Senior Security Engineer to join the business and play a key role in the delivery of a newly awarded social housing contract. Secured ...

Senior OT Security Engineer - up to £85,000 + Bonus - Hybrid

Hiring Organisation
Involved Solutions
Location
Leamington Spa, Warwickshire, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £85,000 per annum
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. ...

Senior Security Cloud Engineer

Hiring Organisation
Health Hero
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
Senior Cloud Security Engineer (London or Bristol) We are HealthHero, Europe’s largest digital clinic. Join us at a pivotal moment as we scale our digital healthcare platform across Europe — giving you the chance to shape security at the heart of a fast-growing, AI-driven … business. We are recruiting an exciting Senior Cloud Security Engineer on an initial 12 month fixed term contract, with a view to becoming permanent – based in either our London or Bristol office two days per week. About the role This role will form a fundamental part ...

Senior Application Security Engineer

Hiring Organisation
Arcus Search
Location
Greater London, England, United Kingdom
Senior Security Engineer – Mobile & Application Security We are looking to hire two Senior Security Engineers with a strong focus on mobile application security to help raise the security bar across our mobile and backend platforms. This is a hands-on role, working … closely with engineering and product teams to identify, design, and implement effective security controls throughout the development lifecycle. Key Focus Areas Mobile App Security (iOS & Android) Authentication and authorization mechanisms Secure data storage Runtime protections and hardening techniques API Security OAuth and token-based authentication Abuse prevention ...

Senior Security Engineer

Hiring Organisation
Taylor James Resourcing
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £95,000 per annum
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

Hiring Organisation
Taylor James Resourcing Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£95,000
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 (OUTSIDE IR35)

Hiring Organisation
Secure Recruitment Ltd
Location
East London, London, United Kingdom
Employment Type
Contract
Contract Rate
Up to £900 per day £800-900 per Day (Outside IR35)
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 Security Engineer

Hiring Organisation
CBSbutler Holdings Limited
Location
Bracknell, Berkshire, South East, United Kingdom
Employment Type
Permanent
Salary
£70,000
Senior Security Engineer Onsite in Bracknell & the South Eligible for DV clearance £60-70k per annum + benefits package We are recruiting for a Senior Security Engineer to join a specialist cyber security programme supporting a highly secure and business-critical environment. … This is a hands-on technical role that would suit an infrastructure, security, systems or application engineer looking to develop further into architecture. You'll work across the full lifecycle of solutions, from design and implementation through to support, troubleshooting and continuous improvement. The role sits within ...

Senior Security Engineer

Hiring Organisation
Taylor James Resourcing Limited
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 95,000 Annual
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 click apply for full job details ...

Senior Security Engineer - Detection & Response - EU/UK

Hiring Organisation
Jobleads-UK
Location
United Kingdom
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 Security Engineer

Hiring Organisation
CBSbutler Holdings Limited
Location
Bracknell, Berkshire, United Kingdom
Employment Type
Permanent
Salary
GBP 70,000 Annual
Senior Security Engineer Onsite in Bracknell & the South Eligible for DV clearance £60-70k per annum + benefits package We are recruiting for a Senior Security Engineer to join a specialist cyber security programme supporting a highly secure and business-critical environment. … This is a hands-on technical role that would suit an infrastructure, security, systems or application engineer looking to develo click apply for full job details ...

Senior Network Security Engineer

Hiring Organisation
Prism Digital
Location
Windsor, England, United Kingdom
Senior Network Security Engineer | Palo Alto, Public Cloud, Cisco | Mission-Critical Global Platforms Windsor, Berkshire - 4 days onsite, 1 day from home £90,000 – £100,000 base + 10-12% Bonus Permanent, Full-time The role: You will join a global Managed Services and Infrastructure team … Ireland, growing month-by-month), responsible for securing large-scale software platforms used across healthcare, financial services and government environments worldwide. This is a senior-level network security engineering role focused on designing and standardising security controls across hybrid cloud, multi-cloud (Azure, AWS, GCP) and datacentre ...

Senior Cyber Security Engineer

Hiring Organisation
Jobleads-UK
Location
Chippenham, England, United Kingdom
Glasgow - Glasgow City - United Kingdom Poole - Dorset - United Kingdom York - York - United Kingdom Senior Cyber Security Engineer Siemens Mobility have an exciting opportunity for Senior Cyber Security Engineers to join our Rail Infrastructure business. This role would preferably be located out of our Ashby … across the full project lifecycle, using industry standards, in-house solutions like CoreShield, and trusted third-party technologies to ensure resilient, compliant systems. The Senior Cyber Security Engineer plays a key role in this, bringing expertise in both product and end-to-end solution security within ...

Senior Cyber Security Engineer

Hiring Organisation
Adecco
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
Join Our Team as a Senior Cyber Security Engineer! £500/Day, Inside Scope Are you ready to take your cyber security expertise to the next level? Our client is on the lookout for a dynamic Senior Cyber Security Engineer to join their … innovative Cyber Security team for a 6-month temporary contract, starting ASAP! This is an incredible opportunity to play a crucial role in enhancing the security posture of an organisation leveraging state-of-the-art technologies like CrowdStrike and Splunk. What You'll Be Doing: As a Senior ...

Senior Cyber Security Engineer

Hiring Organisation
VIQU IT Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
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

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
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 ...

Senior Offensive Security Engineer

Hiring Organisation
Jobleads-UK
Location
United Kingdom
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 Cyber Security Engineer

Hiring Organisation
Thames Water
Location
Reading, Berkshire, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
Senior Cyber Security Engineer , you will play a critical role in delivering Thames Water’s cyber strategy, with responsibility for the design, implementation, and ongoing effectiveness of security capabilities across IT and OT environments.You will engineer and maintain the technical capabilities that enable early threat … detection, rapid and consistent response, and sustained cyber risk reduction , while translating cyber risk, regulatory, and business demands into practical, measurable, and operationally sustainable security controls .This is a hands-on engineering role for individuals who enjoy building resilient security capabilities, integrating platforms and telemetry, and turning strategy ...

Senior AI Security Engineer - Innovate Data & App Defense

Hiring Organisation
Jobleads-UK
Location
United Kingdom
Overview At Amazon, security is central to maintaining customer trust and delivering delightful customer experiences. Our organization is responsible for creating and maintaining a high bar for security across all of Amazon’s products and services. We offer talented security professionals the chance to accelerate their careers … experience in a wide variety of areas including cloud, devices, retail, entertainment, healthcare, operations, and physical stores. About the Team We are seeking a Senior Security Engineer to join our AI Security organization that builds AI‐powered security solutions to re‐imagine how Amazon discovers ...

Senior Cyber Security Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
committed to removing barriers for everyone, with a focus on addressing those faced by underrepresented groups. The Role Overview We’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 has an 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 ...

Senior Cyber Security Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
drive change and create value. With deep industry expertise, enabled by advanced technology, the firm helps clients deliver with greater confidence and certainty. Senior Cyber Security Engineer, Cyber Security Location: London, United Kingdom (Remote available) We are looking for an experienced Senior Cyber Security Engineer to design, implement, review, and manage security measures for our Azure and M365 environments. The role requires strong expertise in cloud security and the ability to work closely with stakeholders to ensure the security of our cloud infrastructure. Responsibilities Design, implement and review security ...

Senior Security Engineer (Enterprise Security)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
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 ...

Senior Security Engineer(UK region)

Hiring Organisation
Jobleads-UK
Location
Bracknell, England, United Kingdom
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 ...

Senior Security Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
WORK: As a Senior Security Engineer focusing on anti-abuse and threat intelligence, you will lead the design and development of systems and automation to detect, mitigate, and prevent threats targeting Ripple’s staff, products, and users. This includes identifying and advising on Advanced Persistent Threats (APTs … crypto ecosystem, phishing campaigns, impersonation attempts, and social engineering campaigns across web, mobile, and social platforms. You will collaborate closely with Legal, Communications, Brand Security, and third-party vendors to build a scalable and proactive threat intelligence capability. WHAT YOU’LL DO: Operationalize threat intelligence: Develop systems to detect ...