76 to 100 of 176 Application Security Jobs in the UK

primarily deliver high quality penetration testing, red teaming and otherbespokesecurity consultancy work for our clients. Our team is dynamic, innovative and dedicated to making a difference to our customers security efforts. Career development and staff welfare is a priority for our company and this is reflected in the opportunities presented to our team. Our customers demand high quality, expert … technical assurance work is focussed to their requirements. We ensure that the work we deliver adds value and makes a tangible difference in helping our customers achieve their wider security objectives. Our business and customer work are consultant-led. As such you can expect to be heavily involved in the lifecycle of your work, to engage with and delight … in the wider development of the company and service lines, to deliver staff and customer training and undertake development and research are available. Delivery of high quality penetration testing, application security testing and red-team engagements Organising own and others' schedules Assisting in proposal writing and scoping Customer management and debriefing Supporting the wider team in the delivery More ❯

junior team members through design discussions and code reviews, fostering an open and constructive workplace culture. Enhance test automation , either by improving the platform or adding new tests. Ensure application security aligns with CFC Application Security Standards . Validate APIs against CFC API Standards . More ❯

junior team members through design discussions and code reviews, fostering an open and constructive workplace culture. Enhance test automation , either by improving the platform or adding new tests. Ensure application security aligns with CFC Application Security Standards . Validate APIs against CFC API Standards . More ❯

Senior Cyber Security Architect Location: UK (Remote/Home-based) - excluding London Salary: £100,000 – £120,000 + 10% Bonus The Role As a Senior Cyber Security Architect , you will be responsible for designing and embedding strong security practices across cloud platforms and services. Working within Agile delivery teams, you will guide the secure design and delivery … clients. This is an opportunity to take on technical leadership responsibilities while continuing to grow your own expertise. Key Responsibilities Design and deliver secure cloud services and solutions. Identify security issues in system designs and recommend practical mitigations. Apply knowledge of security standards and regulations (e.g. NCSC, ISO, NIST, PCI, GDPR). Contribute to secure software and infrastructure … development, applying modern tools and practices. Work with Continuous Security, CI/CD, and automated testing approaches. Apply expertise in network security (OSI, TCP/IP), web application security (OWASP), and cryptography (PKI, TLS). Mentor, coach, and support the development of junior staff. Communicate complex security topics effectively to both technical and non-technical More ❯

Job Title: Application Architect Location: Hybrid - Leeds-based (2 days on site) Salary: up to c.£75,000 per annum, plus benefits Why Apply? This is a fantastic opportunity for an experienced Application Architect, or a Solution Architect with a strong applications background to play a pivotal role in shaping enterprise-level solutions for a forward-thinking organisation. … You'll design and implement scalable, secure, and modern application architectures that directly support business goals. This is a permanent role offering the chance to influence strategy, guide development teams, and work with the latest technologies in a supportive and innovative environment. Application Architect Responsibilities Design, develop, and maintain high-level architecture for new and existing applications. Define … Lead architecture reviews, offering guidance and mentoring to technical teams. Evaluate, recommend, and implement tools, frameworks, and technologies that align with business needs. Ensure alignment with enterprise architecture and security policies. Document architecture designs, workflows, and technical specifications. Troubleshoot and resolve complex architectural challenges. Support modernisation, migration, and integration initiatives across the application landscape. Application Architect Requirements More ❯

Who We Are: Invicti is an application security leader protecting over 3,500 organizations worldwide through our DAST-first Application Security Platform. Our flagship products, Netsparker and Acunetix, enable security and development teams to continuously secure web applications through proprietary proof based scanning and predictive risk scoring. Location: Candidates must already be based in the More ❯

Security Assurance Engineer with SC Clearance Are you a Security Assurance Engineer with a passion for safeguarding critical systems and delivering high-quality assurance reports? Were looking for a Security Cleared professional to join a security team and play a key role in protecting digital assets and mission-critical infrastructure. As a Security Assurance Engineer … youll be responsible for: Conducting security assurance activities across projects, products, and systems. Supporting risk assessments, security reviews, and compliance checks in line with organisational and government standards (e.g., NCSC, ISO 27001, JSP440). Producing clear, concise, and insightful security assurance reports for technical and non-technical stakeholders. Working closely with engineering, architecture, and risk management teams … to ensure robust security controls are embedded throughout the system lifecycle. Maintaining documentation and evidence to support accreditation and audit processes. Required Skills and Experience: Youll bring a strong blend of technical knowledge, analytical thinking, and communication skills. You have: Active Security Clearance (e.g., SC/DV). Proven experience in Security Assurance, Information Assurance, or Cyber More ❯

Security Assurance Engineer – with SC Clearance Are you a Security Assurance Engineer with a passion for safeguarding critical systems and delivering high-quality assurance reports? We’re looking for a Security Cleared professional to join a security team and play a key role in protecting digital assets and mission-critical infrastructure. As a Security Assurance … Engineer, you’ll be responsible for: Conducting security assurance activities across projects, products, and systems. Supporting risk assessments, security reviews, and compliance checks in line with organisational and government standards (e.g., NCSC, ISO 27001, JSP440). Producing clear, concise, and insightful security assurance reports for technical and non-technical stakeholders. Working closely with engineering, architecture, and risk … management teams to ensure robust security controls are embedded throughout the system lifecycle. Maintaining documentation and evidence to support accreditation and audit processes. Required Skills and Experience: You’ll bring a strong blend of technical knowledge, analytical thinking, and communication skills. You have: Active Security Clearance (e.g., SC/DV). Proven experience in Security Assurance, Information More ❯

demonstrates his unwavering dedication to knowledge sharing, community building, and technical innovation within the software development ecosystem. His contributions span multiple channels, from creating widely-adopted open-source security tools to producing educational content that reaches developers across the globe. Jamie's community impact is exemplified through The Modern .NET Show podcast , which serves as the premier resource for … stages. Technical excellence through open-source contribution forms another cornerstone of Jamie's recognition. His OwaspHeaders.Core library has achieved remarkable success with over 1.2 million downloads, providing essential web application security features to developers across the .NET ecosystem. The library implements OWASP Secure Headers Project recommendations, enabling developers to enhance their application security with minimal effort … 30+ career areas, providing them with valuable industry insights and practical guidance for their professional development. Jamie's involvement bridges the gap between academic learning and real-world professional application, helping to shape the next generation of software engineers. "The Microsoft MVP recognition continues to be both an honour and a responsibility," Jamie commented following the announcement. "It represents More ❯

Associate Security Consultant - This is your launchpad into ethical hacking Manchester – Office-based during probation, then hybrid The Opportunity At NCC Group, our incredible Technical Assurance division is looking for Associate Security Consultants to embark on a journey of growth and development. Kicking off on the 19th of January 2026 , you will be based in our Manchester office … specialisms, whether you are changing careers or looking to move into another area of Cyber Security. Our industry-renowned and awarded training program will teach you to perform web application security assessment, network and infrastructure testing, applied research, consultancy skills, and more. You will propel your career and be on the fast track to becoming a full fledge … Penetration Tester (aka Security Consultant). The wealth of experience and knowledge available to learn from is invaluable and can often lead to you finding interests in cyber security that you didn’t know you had. The challenge: You’ll spend your first 6 months in our Manchester office engaging in structured learning, a mix of guided classroom More ❯

Associate Security Consultant - This is your launchpad into ethical hacking Cheltenham – Office-based during probation, then hybrid The Opportunity At NCC Group, our incredible Technical Assurance division is looking for Associate Security Consultants to embark on a journey of growth and development. Kicking off on the 19th of January 2026 , you will be based in our Cheltenham office … specialisms, whether you are changing careers or looking to move into another area of Cyber Security. Our industry-renowned and awarded training program will teach you to perform web application security assessment, network and infrastructure testing, applied research, consultancy skills, and more. You will propel your career and be on the fast track to becoming a full fledge … Penetration Tester (aka Security Consultant). The wealth of experience and knowledge available to learn from is invaluable and can often lead to you finding interests in cyber security that you didn’t know you had. The challenge: You’ll spend your first 6 months in our Cheltenham office engaging in structured learning, a mix of guided classroom More ❯

skills. The Lead will act as the subject matter expert for Microsoft Entra, Cloud Infrastructure Entitlement Management (CIEM), Privileged Identity Management (PIM), and Microsoft Defender for Identity, while managing Application Owners, Business stakeholders, Security Architects and guiding application, security, and infrastructure teams. Key Responsibilities Lead enterprise-wide architecture and deployment of Microsoft Entra, including Entra ID … Conditional Access, Identity Protection, PIM, CIEM, and Governance. Manage and mentor Technical Account Managers (TAMs), ensuring service excellence and alignment with IAM strategy. Act as SME and consultant for application, infrastructure, and security teams integrating with Entra ID and related IAM services. Define and execute IAM strategy in alignment with Zero Trust security principles. Provide consulting-level … guidance on IAM adoption, migration from legacy platforms, and application onboarding. Drive proactive use of Microsoft Defender for Identity for threat detection and identity-based risk management. Partner with security leadership to ensure compliance with audit, regulatory, and governance requirements. Serve as enterprise escalation point for identity-related issues and lead root cause analysis for critical incidents. Establish More ❯

DevSecOps Engineer Permanent | UK (Hybrid - a few times per month) | Up to £84k We're partnering with a respected, forward-thinking professional services firm that's serious about embedding security into every corner of its digital transformation journey. This is a pivotal hire within their growing tech function - they're after a DevSecOps Engineer (or Lead Software Security … that genuinely backs its people. They've built a collaborative, agile culture where innovation is encouraged and development is a priority. If you're someone who thrives on moving security left, guiding engineering teams with clarity, and making a real impact - this is your kind of role. What you'll be doing: You'll lead the charge in shifting … the culture towards DevSecOps across multiple product teams, embedding security from the ground up. That means defining and rolling out a product security strategy that aligns with business goals, working closely with developers to automate and streamline security testing, and supporting pen test activity with smart, secure remediation. You'll be the go-to expert on application More ❯

DevSecOps Engineer Permanent | UK (Hybrid - a few times per month) | Up to £84k We're partnering with a respected, forward-thinking professional services firm that's serious about embedding security into every corner of its digital transformation journey. This is a pivotal hire within their growing tech function - they're after a DevSecOps Engineer (or Lead Software Security … that genuinely backs its people. They've built a collaborative, agile culture where innovation is encouraged and development is a priority. If you're someone who thrives on moving security left, guiding engineering teams with clarity, and making a real impact - this is your kind of role. What you'll be doing: You'll lead the charge in shifting … the culture towards DevSecOps across multiple product teams, embedding security from the ground up. That means defining and rolling out a product security strategy that aligns with business goals, working closely with developers to automate and streamline security testing, and supporting pen test activity with smart, secure remediation. You'll be the go-to expert on application More ❯

Software Development Manager - Enterprise Software - Peterborough/Hybrid (Key skills: Software Development Manager, Agile, Software Engineering Leadership, Product Delivery, Application Security, Identity & Access Management, .NET 4.8 & 8, SQL Server, Microservices, Cloud (AWS/Azure), DevOps, CI/CD, Jenkins, Ansible, Stakeholder Engagement, Resilience Engineering, Full Stack Development) Are you an experienced and inspiring software leader who thrives on … hands-on leadership, technical strategy, and cross-functional collaboration. You will manage agile teams working on a mix of internal and client-facing applications, with a strong focus on application security, identity and access management, and platform resiliency. Working closely with architecture, design, infrastructure, and product teams, you will ensure the successful delivery of new and enhanced software More ❯

S/4 Security & Compliance Lead page is loaded S/4 Security & Compliance Leadlocations: UK - Greater Londontime type: Full timeposted on: Posted Todaytime left to apply: End Date: November 28, 2025 (13 days left to apply)job requisition id: 537736Welcome to Haleon. We're a purpose-driven, world-class consumer company putting everyday health in the hands … by SAP S/4HANA, this transformation will create a capability advantage, enhancing our performance, competitiveness, and adaptability in a rapidly changing environment. Detailed Responsibilities The S/4 Security & Compliance Lead is responsible for SAP user role and access processes, overseeing the design, development, testing, and deployment within SAP Governance, Risk, & Compliance (GRC) Platform. The role works closely … with the business, External and Internal Auditors to ensure compliance to SOx, GxP, and Digital & Technology controls. SAP S/4 HANA Cyber security transformation: Lead the end-to-end cyber security strategy for the SAP S/4HANA transformation, ensuring alignment with enterprise risk appetite, Haleon's digital trust objectives, and global regulatory frameworks (SOX, GxP, GDPR More ❯

As a Control Testing Lead, you will play a key role within the Information Security team, supporting the Control Test and Assurance Manager in the delivery of a robust and forward-looking Cybersecurity Control Testing & Assurance Programme. This role requires strong cybersecurity expertise combined with hands-on experience in control testing, particularly in evaluating the effectiveness of security … Manager, with whom you will work to deliver the goals of the company to have a stable and fit-for-purpose control testing environment that supports the organisation's security and compliance objectives. What you'll be doing as a Control Testing Lead - Cyber Security Support the implementation and continuous improvement of the Cybersecurity Control Testing Framework. Execute … To thrive in this role, the essential criteria you'll need are Proven experience in performing cybersecurity control assessments, including evaluating design and operational effectiveness. Strong understanding of information security principles, cyber risk management, and control frameworks. Experience in IT, OT and Cloud environments, with a focus on cybersecurity controls. Clear and professional verbal and written communication, including the More ❯

ability to keep our clients data secure is a bedrock for our reputation as a trustworthy professional services partner to many of the worlds large and prestigious organisations. Information security is not an afterthought; it is core to all that we do, to protect not only our data but that of our clients, and has the unwavering support of … the Board. Led by our new CISO, the in-house Information Security team is a core part of our technology services structure with mature or evolving capability across all areas of digital security and cyber defence. We align our efforts to the NIST framework and other recognised certifications including ISO27001 and SOC2 and strive to keep pace with … you will do The Identity and Access Senior Architect will be part of the Digital Trust team, and will be responsible for maintaining the identity and access management (IAM) security of the firms assets. This role is critical in translating the organisations IAM vision into a workable, mature and optimized function and service. This role requires extensive experience across More ❯

when we work together, we can make a huge difference to bring lasting improvements to vulnerable children's lives. A bit about the role As the Head of Information Security at Action for Children, you will champion our cyber defences and ensure the safety of our digital landscape. In this pivotal role, you will steer the organisation through the … complexities of cyber threats with expertise and foresight. By leading a small team of cybersecurity experts, you will set up clear security rules and strong day-to-day processes that are both affordable and show real improvements in our services. Your leadership will not only safeguard our systems but will also inspire a culture of security awareness and … compliance that permeates every level of our charity. You will also enable effective decision making on information security matters and increase cyber resilience and awareness across the organisation to establish clear security controls and robust operational procedures that provide value for money whilst minimising risk to staff and service users. How you'll help to create brighter futures More ❯

Mobile Security Engineer Work Location: Bristol (2days) Your Profile Essential Skills/Knowledge/Experience Experience of Mobile platform security, threat modelling and mitigation techniques Capable of conducting regular reviews of our mobile application security posture using your hands-on experience Develop and maintain pen-testing security tools, scripts, policies and procedures In depth knowledge … of mobile app security standards (Android/iOS) Desirable Skills/Knowledge/Experience Familiarity with mobile development, DevSecOps tooling, testing and automation frameworks Have deep knowledge and experience using the mobile security tools Good understanding of authentication, authorisation, encryption, and cryptography patterns Experience in proactive researching of new technologies emerging in the security landscape More ❯

Mobile Security Engineer Location - Bristol, UK (Hybrid - 3days Onsite) Inside IR35 Contract ( 6months to start with) Banking sector Project Skills Required - Experience of Mobile platform security, threat modelling and mitigation techniques Capable of conducting regular reviews of our mobile application security posture using your hands-on experience. Develop and maintain pen-testing security tools, scripts … policies and procedures In depth knowledge of mobile app security standards (Android/iOS More ❯

Group's public cloud & developer architecture. Innovation is at the heart of this program and the role/key focus areas will continuously evolve to meet the business change, security, and our digital strategy!The Director, Cloud Architecture (Network) will provide the leadership, drive and focus on the strategy, design and evolution London Stock Exchange Group's strategic public … technical outcome. Retire and or decommission a number of the data centres across the globe to a cloud hosted environment Work with the Group CISO and the broader IT security teams to improve security controls Leverages emerging & innovative technologies in Cloud and development to enable simplification of technology landscape and service consumption to improve customer experience and drive … early and often as possible WHAT YOU'LL BRING: Proven deep technical background working with related infrastructure technologies Experience with the following technology areas + SDLC - Continuous Integration & Delivery, Application Security, Quality Assurance + Platforms - Istio, Serverless, Kubernetes + Processes - Agile, Lean, Product Development + Culture - DevSecOps, Continuous Change + Software engineering with exposure to event high performance More ❯

If you need support in completing the application or if you require a different format of this document, please get in touch with at UKI.recruitment@tcs.com or call TCS London Office number 02031552100/+44 204 520 2575 with the subject line: “Application Support Request”. Role: Technical Architect - Python Job Type: Permanent Location: Bradford Mode: Hybrid … challenging projects which demand ambitious innovation and thought leadership. The Role: We're seeking an experienced Technical Architect who is responsible for planning, designing , and implementation of python based application/projects ensuring they are completed on time, within scope, and within budget. They coordinate between teams, manage resources, mitigate risks, and ensure alignment with business goals. Your responsibilities … maintainability. • Evaluate and select appropriate Python frameworks (Django, Flask, FastAPI, etc.) based on project requirements. • Create detailed technical design documents, including system diagrams, data flow, and API specifications. • Ensure application security, performance, and scalability. • Collaborate with cross-functional teams, including designers, testers, and DevOps engineers. • Work with cloud platforms AWS, for deployment and monitoring. • Follow Agile methodologies (Scrum More ❯

Mobile Security Engineer Work Location: Bristol (2days) Your Profile Essential Skills/Knowledge/Experience Experience of Mobile platform security, threat modelling and mitigation techniques Capable of conducting regular reviews of our mobile application security posture using your hands-on experience Develop and maintain pen-testing security tools, scripts, policies and procedures In depth knowledge More ❯

Mobile Security Engineer Work Location: Bristol (2days) Your Profile Essential Skills/Knowledge/Experience Experience of Mobile platform security, threat modelling and mitigation techniques Capable of conducting regular reviews of our mobile application security posture using your hands-on experience Develop and maintain pen-testing security tools, scripts, policies and procedures In depth knowledge More ❯