26 to 50 of 55 Application Security Jobs in the UK

leading organisation to recruit a Senior Penetration Tester to play a critical role in protecting business assets through the delivery of advanced offensive security services. This Senior Penetration Tester position offers the opportunity to lead complex engagements across network, application, and cloud environments while working closely with defensive … teams on purple team exercises. The successful individual will combine deep technical expertise with strong stakeholder communication, helping translate business risk into actionable security improvements within a mature Cyber Defence function. Key Responsibilities: • Lead the scoping, planning, and delivery of complex penetration tests across networks, applications, cloud, and emerging ...

Senior Cyber Security Consultant | £60-70k | Portsmouth, Hybrid (2 days) Are you a technically strong cyber security professional ready to step into a senior role where you'll lead engagements, shape client strategy, and help grow a team around you? We're partnering with a well-regarded … cyber security consultancy that punches above its size. They work with clients across a range of demanding sectors and are looking for a Senior Consultant who wants genuine ownership of their work, not just a seat at the table. Salary: £60,000-70,000 Package: Company pension, private medical ...

global leading business is hiring for a AI Security Engineer who has experience with LLM, Cloud & Platforms. Hybrid/Remote options available. Outside IR35. Paying between £800 to £1000 per day. Experience and skills required for the AI Security Engineer LLM, Cloud, Platforms 10+ years' experience in cybersecurity … application security, or infrastructure security Strong understanding of cloud ...

support functions. We are looking for a proactive and technically skilled IT Services Technician to join our IT team and help ensure the availability, security and performance of our IT services nationwide. In this varied and hands-on role, you will support the monitoring and maintenance … restoring services quickly and effectively to minimise operational disruption Work collaboratively with IT colleagues and non-technical stakeholders to deliver excellent service support Security & Systems Administration Configure and assess hardware and application security logs to identify and manage risks Perform systems administration tasks to maintain the integrity ...

across the organisation. Key Responsibilities Lead the design and implementation of cloud solutions on AWS as the platform is onboarded, ensuring alignment with their security, compliance, and architectural standards. Collaborate closely with application, security, and infrastructure teams to deliver secure, scalable, resilient cloud solutions for business applications … services. Drive improvements in platform stability, security, automation, and cost efficiency, working alongside other cloud team members to establish best practices and reusable patterns. Produce clear and robust architectural designs based on business and technical requirements and contribute to the development of AWS governance frameworks and landing zone patterns. ...

code reviews to ensure high development standards Troubleshoot and resolve issues across development and production environments Contribute to architectural decisions and collaborate on overall application design Ensure application security and scalability through best development practices Keep up to date with emerging technologies and recommend new tools ...

basis. Role & Responsibilities: Lead the design and implementation of cloud solutions on AWS as the platform is onboarded, ensuring alignment with the organisation’s security, compliance, and architectural standards. Provide operational (BAU) support for AWS services and contribute to Azure support where required. Collaborate closely with application, security, and infrastructure teams to deliver secure, scalable, resilient cloud solutions for business applications and services. Drive improvements in platform stability, security, automation, and cost efficiency, working alongside other cloud team members to establish best practices and reusable patterns. Produce clear and robust architectural designs based on business ...

CloudApplicationSecurityEngineer CentralManchester(3daysaweekin-office) Upto£90,000+GenerousBenefits WerecurrentlysupportinganexcitingSaaSfintechthatslookingtobringona CloudApplicationSecurityEngineer tostrengthentheirgrowingteam. Thisisafantasticopportunitytoworkattheintersectionof cloud,applicationsecurity,andmodernplatformengineering ,helpingtodesignandsecurescalable,multi-tenantsystemsinafast-paced,high-growthenvironment. Whatyoullbeworkingwith: Cloudplatforms(AWS,Azure,and/orGCP) ApplicationsecurityacrossthefullSDLC Designingandsecuringmulti-tenantarchitectures AI/MLinfrastructureandemergingsecuritychallenges InfrastructureasCode(IaC)withembeddedsecuritycontrols Whatwerelookingfor: StrongbackgroundincloudarchitectureorsecurityengineeringwithsolidexperienceinapplicationsecuritywithinSaaSenvironments Deepunderstandingofapplicationsecurityprinciples-beyondjustthebasics,withtheabilitytothinkintermsofdataflows,trustboundaries,andreal-worldattackpaths Experiencedesigningmulti-tenantsystemswheresecurityisacorearchitecturalconsideration,includingtenantisolationatbothapplicationanddatalayers Hands-onexperiencewithAWS,AzureorGCP ...

development Nice to have: Vue.js or other frontend frameworks Experience working across multiple systems or products AWS or cloud exposure Understanding of system architecture Security Awareness A strong awareness of application security is important this isnt about textbook answers, but practical understanding and good judgement when building ...

Home working + 1 day per week on site in Bristol + occasional client visits Salary Up to £80k + bens Eligibility for UK Security Clearance (SC) A growing strategy, operations and digital consultancy is hiring a Senior Solution Architect to design and deliver secure, scalable digital solutions. … teams, and shape digital transformation programmes across complex client environments. You'll bring TOGAF certification and strong enterprise architecture experience Expertise across business, data, application, security & technology architecture Proven delivery of cloud-native solutions (Azure) Strong background in secure system design , governance and risk management Experience working ...

help deliver modern cloud-native practices, containerisation, and platform tooling, champion the use AI assistants - Ensure system reliability - Be secure by design; help integrate application security and compliance into the deployment lifecycle. Experience required: - Proven experience in software development or systems engineering, demonstrable hands-on experience building ...

Cyber Security Engineer When registering to this job board you will be redirected to the online application form. Please ensure that this is completed in full in order that your application can be reviewed. Come and join the Littlefish team! Work location: Nottingham or Sheffield (Hybrid) Salary … from you. The role and what youll be getting up to on a day-to-day basis: Were building a strong and mature cyber security function, and were looking for an Internal Security Engineer to join us. This is a great opportunity for someone early in their career ...

operational data to improve the stability and performance of the applications Use AI to improve productivity Maintain documentation and release notes Have awareness of application security considerations Identify dependencies across the organization and work with teams to resolve them before they become an issue, and install preventative measures … using SQL Contribute to improve the overall processes and methodologies followed by the wider team Design and develop commercial/enterprise web applications Ensure application performance, quality, and responsiveness Work with all teams to recommend solutions that are in accordance with accepted testing frameworks Experience and Skills Required: Essential ...

Want to break into cyber security & AI - one of the fastest-growing and most in-demand sectors in tech? Ready to join an early-stage startup where you'll help build the outbound engine and accelerate your career fast? This Sales Development Representative role is your opportunity … + share options Core hours (10am-4pm) for performance + flexibility High-growth startup environment with real ownership Why This Company? AI-native cyber security platform founded in 2022 Backed by investors including Praetura Ventures & SFC Capital Protecting organisations across fintech, healthcare, education & enterprise tech Customers include BNVK (stablecoin ...

Reed Technology are partnering with a cutting-edge organisation operating in a highly technical space where embedded systems, SDK development, reverse engineering, and application security converge. This role is focused on securing how apps interact with underlaying systems, strengthening protection mechanisms and tackling security challenges. Key Responsibilities … Build and improve embedded C/C++ components within a security-focused SDK Analyse mobile environments (Android, iOS, emerging platforms) from a low-level perspective Use reverse engineering and instrumentation tools to assess vulnerabilities Translate findings into practical security features and protections Collaborate with engineering teams to integrate ...

testing activities for critical programme initiatives comprising of Network Detection and Response (NDR) implementation and an end user project focused on Device Trust and Application Security within Citrix products along with other infrastructure/cyber initiatives. The successful candidate will be responsible for the testing lifecycle, working closely … quality of testing is of he highest quality. Required Skills & Experience Proven experience as a Test Manager on IT programmes, ideally within network security and end user computing environments. Strong knowledge of Network Detection & Response solutions and Device Trust concepts would be advantageous. Demonstrable experience testing Citrix environments, with ...

testing activities for critical programme initiatives comprising of Network Detection and Response (NDR) implementation and an end user project focused on Device Trust and Application Security within Citrix products along with other infrastructure/cyber initiatives. The successful candidate will be responsible for the testing lifecycle, working closely … quality of testing is of he highest quality. Required Skills & Experience Proven experience as a Test Manager on IT programmes, ideally within network security and end user computing environments. Strong knowledge of Network Detection & Response solutions and Device Trust concepts would be advantageous. Demonstrable experience testing Citrix environments, with ...

environment is approximately 95% Mac-based, and the successful candidate must have extensive experience managing macOS environments using Jamf Pro and related tools. Security, performance, and reliability are critical, particularly within a regulated professional services setting handling confidential client data. Key Responsibilities • Full ownership and management of IT infrastructure … access points • Overseeing VOIP/SIP systems (3CX), virtual environments (Hyper-V, VMware), and storage (Synology/QNAP) • Managing Active Directory, VPNs, server/application security, and print services • Monitoring SLAs and ticketing systems, ensuring service standards are maintained • Preparing and presenting annual IT budgets and reporting regularly ...

environment is approximately 95% Mac-based, and the successful candidate must have extensive experience managing macOS environments using Jamf Pro and related tools. Security, performance, and reliability are critical, particularly within a regulated professional services setting handling confidential client data. Key Responsibilities • Full ownership and management of IT infrastructure … access points • Overseeing VOIP/SIP systems (3CX), virtual environments (Hyper-V, VMware), and storage (Synology/QNAP) • Managing Active Directory, VPNs, server/application security, and print services • Monitoring SLAs and ticketing systems, ensuring service standards are maintained • Preparing and presenting annual IT budgets and reporting regularly ...

Coupa with enterprise systems such as SAP, Workday, Maximo and other platforms Collaborate closely with solution architecture, service delivery, and project teams Ensure application security, governance, risk management, and compliance standards are upheld Maintain accurate system documentation, knowledge bases and support processes Manage relationships with suppliers, partners … Experience Deep knowledge and hands-on experience with Coupa (essential) Proven experience integrating procurement platforms with SAP or equivalent ERP systems Demonstrable experience in application management, system delivery and support environments Strong leadership capability with experience managing teams and developing talent Excellent stakeholder engagement skills, with the ability ...

Coupa with enterprise systems such as SAP, Workday, Maximo and other platforms Collaborate closely with solution architecture, service delivery, and project teams Ensure application security, governance, risk management, and compliance standards are upheld Maintain accurate system documentation, knowledge bases and support processes Manage relationships with suppliers, partners … Experience Deep knowledge and hands-on experience with Coupa (essential) Proven experience integrating procurement platforms with SAP or equivalent ERP systems Demonstrable experience in application management, system delivery and support environments Strong leadership capability with experience managing teams and developing talent Excellent stakeholder engagement skills, with the ability ...

with colleagues across the organisation to further mature and continuously improve our cyber defence capabilities. Cyber Operations forms part of a wider, well established security function operating within a highly regulated environment. In this role, you will lead and continuously enhance the management of vulnerability assessments across our hybrid … estate. You will prioritise remediation activities using a risk based, threat informed approach, collaborating with stakeholders to strengthen the security posture of our systems and services. You will also develop and mature our threat intelligence capability, identifying and maintaining relevant intelligence sources to inform tactical, operational, and strategic decision ...

hybrid IT environment. Using a risk-based, threat-informed approach, you will prioritise remediation efforts and work closely with stakeholders to enhance the security posture of our systems and services. Vulnerability Management (Primary Focus) Lead and improve the organisation's vulnerability management programme across a hybrid IT environment, including … emerging threats and the wider threat landscape. Cyber Risk Management Support cyber risk management activities through risk and threat assessments aligned with regulatory and security standards. Provide practical, proportionate security advice to stakeholders. Reporting & Metrics Develop and maintain meaningful metrics to measure the effectiveness of vulnerability management ...

date of this role is 24th May 2026. When applying, please keep your CV to a maximum of three pages. As part of the application, well also ask you to answer one short application question (up to 200 words). Responsibilities Own the technical delivery of the platform … ensuring the team consistently ships high-quality, production-ready increments. Ensure engineering standards are followed across the team: coding conventions, API design, security practices, and code review processes. Lead estimation, sprint planning, and decomposition of technical work; proactively identify and manage technical risk, dependencies, and blockers. Collaborate with ...

Offensive Security (Mobile) | £65-75k DOE | Hybrid Working (UK) We're working with an innovative UK technology company operating at the forefront of digital identity and biometric security. As their security function continues to grow, they're looking to appoint an experienced Offensive Security Engineer with … strong focus on mobile application security. The Opportunity: You'll take ownership of s... LFWQ1_UKTJ ...