1 to 25 of 34 Application Security Jobs in London

repeat issues. Contribute to secure development practices, helping to maintain secure coding standards, patterns, and reusable security controls or guardrails. Operate and optimise AppSec tooling within CI/CD workflows, supporting the organisation's DevSecOps journey and enabling early, automated detection of security issues. Provide hands-on guidance … collaboration with development teams, providing high-quality remediation guidance and driving a measurable reduction in recurring application security weaknesses. Deliver clear, actionable AppSec reporting, maintaining dashboards and metrics that support governance, risk visibility, and informed decision-making for technical and leadership stakeholders. Skills and ExperienceSpecification Essential Hands ...

repeat issues. Contribute to secure development practices, helping to maintain secure coding standards, patterns, and reusable security controls or guardrails. Operate and optimise AppSec tooling within CI/CD workflows, supporting the organisation's DevSecOps journey and enabling early, automated detection of security issues. Provide hands-on guidance … collaboration with development teams, providing high-quality remediation guidance and driving a measurable reduction in recurring application security weaknesses. Deliver clear, actionable AppSec reporting, maintaining dashboards and metrics that support governance, risk visibility, and informed decision-making for technical and leadership stakeholders. Skills and ExperienceSpecification Essential Hands ...

Engineered Arts is seeking an Information Security and Compliance Engineer to own the technical and operational execution of information security and cybersecurity compliance across products, cloud infrastructure, internal systems, and Robot-as-a-Service (RaaS) platforms. Reporting to the Head of Compliance, this role is responsible for implementing … operating, and maintaining security controls, supporting certification to ISO 27001, SOC 2, and other relevant security frameworks, and embedding security-by-design into engineering, IT, and product operations as the business scales globally. This is a hands-on role with clear operational ownership of information security ...

Security Architect Duration: 12 months Location: Hybrid/1 day PW on-site in Croydon Umbrella Only Due to the urgency and sensitivity of the work, active SC Clearance is mandatory. Responsibilities As a Security Architect, you will: Design and implement secure architectures across applications, platforms, and infrastructure … Define and apply security architecture patterns , including Zero Trust and defence-in-depth strategies Lead security design for cloud-based solutions (AWS, Azure, and/or GCP) Architect and govern identity and access management (IAM) , including authentication, authorisation, and privileged access Design secure network architectures covering encryption ...

Contract Role AppSec Engineer/Application Security Engineer London/Manchester/Glasgow/Hybrid 12 months initial Inside IR35 Role Overview: Job Title: AppSec Engineer/Application Security Engineer Location: Hybrid 2 days onsite per week (London/Manchester/Glasgow) Contract Type: Contract Duration … months initial Rate: £500-650 per day (Inside IR35) Sector: Banking Key Skills & Experience AppSec click apply for full job details ...

Information Security Architect/Cyber Security Architect Remote or London based (50%) The Client Based in London, my client are a prestigious Professional services organisation boasting a workplace with cutting-edge people that is moving with the modern ways of working. Named as one of the leading professional … work environment attracts a seasoned professional who wants to be part of the best of breed. Job Overview Working as part of the wider Security Architecture, Engineering and Resilience team, The Information Security Architect is the responsible authority with the requisite knowledge to work across a wide variety ...

London. Reporting the to the Head of IT, the successful candidate will play a key role protecting IT services and infrastructure from cyber security threats. Role Overview The purpose of a Cyber Security Manager role is to protect GTS Rail Operations Limited’s IT Services and infrastructure from … cyber threats. The role is responsible for designing, implementing, and maintaining security measures to ensure the confidentiality, integrity, and availability of data and services. The role includes identifying vulnerabilities, monitoring for security breaches, and responding to incidents. They also work to educate employees on best practices for information ...

Senior AWS Platform Engineer (Security) £540.00 per day Umbrella UK - Predominantly remote some travel to London/Manchester Initially till end of March (likely contract extension) SC Clearance Required Our client is currently looking for an experienced Platform Engineer with a strong focus on AWS security architecture … Management (IAM), including roles, policies, and least-privilege principles. Experience in protective and runtime vulnerability monitoring tooling such as Splunk, Tenable Nessus and Dynatrace AppSec respectively. Conduct vulnerability scanning and remediation using tools like AWS Inspector, Snyk, or Trivy. Governance & Compliance: Establish and maintain security baselines aligned with organizational ...

Application Architect Duration: 12 Months Location: Croydon/Hybrid- 1 day PW on-site Due to the urgency and sensitivity of the work, active SC Clearance is mandatory . Responsibilities As an Application Architect, you will: Design and lead delivery of scalable, high-performance application architectures Define … apply modern application architecture patterns , including microservices, event-driven architectures, and SOA Support monolith-to-microservices transformation initiatives where required Architect cloud-native applications across AWS, Azure, and/or GCP Design API strategies , integration patterns, and messaging-based solutions Ensure strong alignment with application lifecycle management ...

CYBER SECURITY ENGINEER/OFFENSIVE SECURITY Fully Remote Up to £100,000 + Excellent Staff Bens + Share Scheme SECURE has Strategically Partnered with a Multi-Award-Winning, Software-Based Organisation at the forefront of Pre-Emptive Exposure Management. As a market leader backed by significant Venture Funding … they expand Offensive Security capabilities, specifically around Threat Detection Engineering, in their mission of helping organisations understand how they could be compromised. Success in this position will enable the business to build Detection Strategies that Continuously Identify Real-World Exploitation, helping Fortune 500 Companies & Critical Infrastructure Providers outrun Real ...

behalf of one of our premier clients, we are seeking a high-caliber Cybersecurity Specialist to join their expanding AI & Data Security team. This is a critical role within our client's AI Security programme, designed for a professional who thrives at the intersection of traditional infrastructure security … adoption; you will be the technical lead ensuring that these powerful technologies from AWS Bedrock to Azure OpenAI are implemented with world-class security standards. Core Requirements (Non-Negotiable): Network Encryption: Master Proficiency is required. You must have deep expertise in securing data in transit, cryptographic protocols, and enterprise ...

behalf of one of our premier clients, we are seeking a high-caliber Cybersecurity Specialist to join their expanding AI & Data Security team. This is a critical role within our client's AI Security programme, designed for a professional who thrives at the intersection of traditional infrastructure security … adoption; you will be the technical lead ensuring that these powerful technologies from AWS Bedrock to Azure OpenAI are implemented with world-class security standards. Core Requirements (Non-Negotiable): Network Encryption: Master Proficiency is required. You must have deep expertise in securing data in transit, cryptographic protocols, and enterprise ...

Security Architect - SC Cleared - Inside IR35 Location : London - 1 day on-site Length: 12 Months Clearance : Active SC Clearance IR35: Inside Rate: £700 - £800 Start Date: ASAP (Pending Clearance) Sanderson G&D are seeking a Security Architect to join an exciting Cyber and Cloud Security programme … Public Sector. Essential Skills: Proven experience as a Security Architect Strong expertise in designing and implementing secure architectures across applications, platforms, and infrastructure. Solid understanding of security architecture patterns, zero trust principles, and Defence-in-depth strategies Experience designing security solutions in cloud environments (AWS, Azure ...

SENIOR SECURITY WORKS ENGINEER Location: London/Essex (Works across London) Salary: £40,000–£45,000 Basic (higher for exceptional candidates) OTE: Competitive with overtime Industry: Security Systems ABOUT A growing Fire and Security Systems company is seeking a Senior Security Works Engineer to lead small … role focuses on fault finding, remedials, small installations, and commissioning, providing a mix of hands-on technical work and mentoring opportunities. Benefits – Senior Security Works Engineer: £40,000–£45,000 basic salary (higher for exceptional candidates) Company van with private use Overtime available 20 days holiday + bank holidays ...

London - UK Only Please Key Responsibilities Support and enhance the organisation's application security testing programme, leveraging approved enterprise tools for SAST, SCA, DAST, API security assessment, and penetration testing activities. Conduct manual analysis and security review activities across web, API, and internal applications to validate ...

Security Architect, you will join a high-performing team within a global organization, specializing in highly sensitive and rewarding technology-centric transformation programs. You will act as the bridge between technical innovation and robust security, ensuring that groundbreaking enterprise IT and custom Operational Technology (OT) systems are secure … design. On a day-to-day basis, you will collaborate with Technical and Solutions Architects to define security architectures for high-profile solutions. You will work alongside Information Assurance and Penetration Testing teams to validate control effectiveness and define new security solutions in an agile, team-centric environment. ...

Application Support Engineer (Higher Education) Location: London (Hybrid) Duration: 6 Months (Initially) Hourly Salary: £28.50 IR35: Inside (Must use an umbrella company) Overview An experienced Application Support Engineer is required to provide Level 2 and Level 3 support for business-critical applications within a higher education environment. … role focuses on application stability, security, performance, and continuous improvement, working closely with internal teams and suppliers. Key Responsibilities Deliver Level 2 and Level 3 application support Troubleshoot and resolve complex incidents and issues Implement configuration changes, upgrades, and enhancements Manage application and infrastructure patching Coordinate ...

Application Support Engineer (Higher Education) Location: London (Hybrid) Duration: 6 Months (Initially) Hourly Salary: £28.50 IR35: Inside (Must use an umbrella company) Overview An experienced Application Support Engineer is required to provide Level 2 and Level 3 support for business-critical applications within a higher education environment. … role focuses on application stability, security, performance, and continuous improvement, working closely with internal teams and suppliers. Key Responsibilities Deliver Level 2 and Level 3 application support Troubleshoot and resolve complex incidents and issues Implement configuration changes, upgrades, and enhancements Manage application and infrastructure patching Coordinate ...

Founding Sales Engineer High-Growth Cyber Security Startup 📍 Location: United Kingdom (Remote) 💰 Compensation: £80,000 - £85,000 Base, + Bonus (Uncapped) + Strong Equity We’re hiring a Founding Sales Engineer to join a rapidly growing cybersecurity organisation and play a critical role in how customers evaluate, adopt … succeed with a modern security platform. This role sits at the intersection of sales, engineering, and security strategy, supporting complex buying journeys across cloud-first and application-driven security environments. You’ll partner closely with the Sales Leader, CEO and Engineering to guide prospects through technical ...

Specialty Application Architect - AWS Cloud Location: Remote Travel: Occasional travel to IBM or public sector client sites Contract: 9 February 2026 - 7 August 2026 Rate: £596 per day (Inside IR35) Security Clearance: SC clearance required Role We are looking for a Specialty Application Architect - AWS Cloud … support a major public sector client within a Security and Resilience portfolio. The role focuses on improving platform security, resilience, and cloud-based services. Key Responsibilities Support AWS application and cloud architecture activities Contribute as a junior architect/technical resource Assist with vulnerability identification and management ...

Security Lead - Incident Response & Threat Management 4 Months Contract £400 to £500 a day Inside IR35 Remote working *Active Security Clearance is Needed* A well-established consultancy firm is urgently looking for an experienced Security Lead with a strong background in Incident Response and Threat Management … deep understanding of SecOps analyst support. Core Responsibilities Incident Management: Directing the full incident response lifecycle, including the triage, investigation, and total resolution of security events. Threat Intelligence: Utilising Recorded Future, OpenCTI, and Cribl to correlate alerts and transform raw intelligence into actionable defensive insights. Detection & Monitoring: Designing advanced ...

Security Lead - Incident Response & Threat Management 4 Months Contract £400 to £500 a day Inside IR35 Remote working Active Security Clearance is Needed A well-established consultancy firm is urgently looking for an experienced Security Lead with a strong background in Incident Response and Threat Management ...

into the Public Sector. This is a great chance to join an exciting team and project area. Role: The role revolves around providingapplication-level security assurance by combining business analysis, technology understanding, and security controls knowledge. The role ensures that applications, websites, and services are designed, accessed … operated in line with security policy while remaining usable and proportionate Key responsibilities Assess applications and digital services for security risk and control effectiveness. Evaluate access control, identity, and logging approaches against best practice. Review security testing approaches and assurance evidence. Support and guide teams through security ...

responsible for team decisions, collaborating across multiple functions to translate complex platform risks into actionable engineering patterns. Key Responsibilities Securing AI: Setting up security "guardrails" and safe deployment patterns for AI platforms and foundation models. Risk Management: Identifying the specific risks and limitations of AI tools and turning them … into practical security rules for our engineers. Identity & Protection: Designing secure login systems (IAM) and using Web Application Firewalls (WAF) to keep our applications safe. Security Audits: Running regular assessments and audits to find and fix vulnerabilities before they can be exploited. Essential Skills Application Security ...

responsible for team decisions, collaborating across multiple functions to translate complex platform risks into actionable engineering patterns. Key Responsibilities Securing AI: Setting up security "guardrails" and safe deployment patterns for AI platforms and foundation models. Risk Management: Identifying the specific risks and limitations of AI tools and turning them … into practical security rules for our engineers. Identity & Protection: Designing secure login systems (IAM) and using Web Application Firewalls (WAF) to keep our applications safe. Security Audits: Running regular assessments and audits to find and fix vulnerabilities before they can be exploited. Essential Skills Application Security ...