1 to 25 of 31 OWASP Jobs in London

Back End Developer (DV Cleared)

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£75,000
platforms (AWS preferred). Familiarity with microservices and containerisation. Experience with DevSecOps tooling (e.g. GitLab, Jenkins, Atlassian). Understanding of security best practices and OWASP principles. Experience with relational and NoSQL databases (e.g. PostgreSQL, Oracle, MongoDB) is beneficial. ...

Application Security Lead

Hiring Organisation
Intec Select
Location
London Area, United Kingdom
Application Security and Secure Software Development • Experience performing security assessments and design reviews • Strong knowledge of Azure and AWS cloud security • Experience with OWASP, NIST CSF, CIS and related frameworks • Understanding of threat modelling and secure coding practices • Experience supporting pentesting and remediation activities • Knowledge of containers and serverless technologies ...

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)
similar Tools to Accelerate Engineering Workflows Deep Application Security Expertise: SAST/SCA/DAST/Secret Scanning Secure Code Review Threat Modelling (OWASP Top 10, API Top 10, LLM Security Risks) Experience Integrating Security Tooling into Developer Pipelines (GitLab/GitHub, CI/CD) Understanding of Prompt Injection, Jailbreak ...

Security Architect

Hiring Organisation
Triad Group PLC
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
conducting threat modelling (e.g. STRIDE, attack trees) and risk analysis Strong understanding of security frameworks and best practice such as ISO 27001, NIST, CIS, OWASP, NCSC guidance Experience working in the UK Public Sector and associated security standards and guidance including GovAssure/NCSC CAF, HMG Security Policy Framework. Knowledge ...

Technical Application Security Consultant

Hiring Organisation
YunoJuno
Location
Uxbridge, England, United Kingdom
Proven, hands-on experience working specifically in Application Security, Penetration Testing, or as a Security-Focused Software Engineer. Vulnerability Expertise : Absolute fluency in the OWASP Top 10. You must be able to explain how vulnerabilities work, how they are exploited, and exactly how to remediate them. Developer Collaboration : Demonstrable experience ...

Security Analyst

Hiring Organisation
Lorien
Location
London Area, United Kingdom
Operations role within a large or complex enterprise environment. Strong understanding of cybersecurity standards and frameworks, including ISO 27001, NIST 800 53, CIS Controls, OWASP, and SOC1/2. ...

Security Analyst- Ivanti Neurons

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
Operations role within a large or complex enterprise environment. Strong understanding of cybersecurity standards and frameworks, including ISO 27001, NIST 800 53, CIS Controls, OWASP, and SOC1/2. Guidant, Carbon60, Lorien & SRG - The Impellam Group Portfolio are acting as an Employment Business in relation to this vacancy. ...

AI Engineer

Hiring Organisation
MarkIT Placements
Location
West London, London, United Kingdom
Employment Type
Contract, Work From Home
protocols (e.g. A2A) Familiarity with MCPs for tool and context integration in agentic systems Familiarity with secure-by-design development principles (ISO 27001, NIST, OWASP) Experience in defence, national security, or similarly regulated environments Contributions to open-source AI/ML projects Soft Skills Delivery-focused - you ship working systems ...

Backend Software Engineer (Remote, UK)

Hiring Organisation
esenda
Location
East London, London, United Kingdom
fintech knowledge (reconciliation, idempotency, auditability, ledger concepts). Experience with distributed systems patterns (queues, background jobs, retries, rate limiting). Security experience (threat modelling, OWASP-style concerns, secure API design). Familiarity with Terraform. Why join us? £60k salary + equity 40 days holiday (incl. bank holidays) Pension scheme ...

Backend Software Engineer (Remote, UK)

Hiring Organisation
esenda
Location
Central London / West End, London, United Kingdom
fintech knowledge (reconciliation, idempotency, auditability, ledger concepts). Experience with distributed systems patterns (queues, background jobs, retries, rate limiting). Security experience (threat modelling, OWASP-style concerns, secure API design). Familiarity with Terraform. Why join us? £60k salary + equity 40 days holiday (incl. bank holidays) Pension scheme ...

Lead Java Tech Role- 3 month Contract

Hiring Organisation
Opus Recruitment Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£475 - £525 per day
doing Lead backend architecture – Define and evolve scalable, secure, high-performance backend systems Set engineering standards – Champion best practices, secure coding (OWASP), and high-quality delivery Hands-on technical contribution – Support critical backend work and review complex code Guide teams & mentor engineers – Facilitate design discussions, code reviews, and technical decision ...

Cybersecurity Engineer

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 per annum
framework, and security maturity models such as OpenSAMM and C2M2. Strong working knowledge of recognised security frameworks and standards, including NIST Cybersecurity Framework, OWASP, SANS Top 25, and regulatory requirements such as GDPR and PCI DSS. Demonstrated technical expertise across modern technologies and architectures, including virtualisation, cloud computing, and serverless ...

Cybersecurity Specialist

Hiring Organisation
Randstad Technologies
Location
London, UK
Employment Type
Full-time
Bases, Guardrails, and model lifecycles. AI/ML Core: Mastery of FMs, RAG, tool-use, and non-deterministic agent logic. Security Frameworks: Proficiency in OWASP LLM Top 10 and NIST AI RMF. Role 1: Identity Expert Mission: Secure the "Human-to-Agent" and "Agent-to-Resource" identity chain. Key Tasks ...

Cybersecurity Specialist

Hiring Organisation
Randstad Technologies Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £600/day
Bases, Guardrails, and model lifecycles. AI/ML Core: Mastery of FMs, RAG, tool-use, and non-deterministic agent logic. Security Frameworks: Proficiency in OWASP LLM Top 10 and NIST AI RMF . Role 1: Identity Expert Mission: Secure the "Human-to-Agent" and "Agent-to-Resource" identity chain. ...

Azure DevSecOps Engineer

Hiring Organisation
Interact Consulting Limited
Location
North London, London, United Kingdom
Employment Type
Contract, Work From Home
Youll lead the implementation of security controls across the Azure estate, including: Designing and deploying perimeter protection using Azure Front Door with WAF policies (OWASP Top 10, bot protection). Analysing traffic, tuning WAF rules, and working with stakeholders to reduce false positives. Defining and enforcing governance through Azure Policy ...

Azure DevSecOps Engineer

Hiring Organisation
interAct Consulting Limited
Location
London, UK
Employment Type
Full-time
lead the implementation of security controls across the Azure estate, including: Designing and deploying perimeter protection using Azure Front Door with WAF policies (OWASP Top 10, bot protection). Analysing traffic, tuning WAF rules, and working with stakeholders to reduce false positives. Defining and enforcing governance through Azure Policy, particularly ...

Azure DevSecOps Engineer

Hiring Organisation
interAct Consulting Limited
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£550 - £600 per day
lead the implementation of security controls across the Azure estate, including: Designing and deploying perimeter protection using Azure Front Door with WAF policies (OWASP Top 10, bot protection). Analysing traffic, tuning WAF rules, and working with stakeholders to reduce false positives. Defining and enforcing governance through Azure Policy, particularly ...

Cloud Security Specialist

Hiring Organisation
Randstad Digital
Location
London, United Kingdom
Employment Type
Contract, Work From Home
lifecycle). AI/ML Foundations: Deep understanding of FMs, RAG , non-deterministic agents, and complex tool-use. Secure AI: Expert-level knowledge of OWASP LLM Top 10 and Agentic AI threats . Familiarity with NIST AI RMF is a massive plus! Your Mission: Identity & Access Specialist As our Identity ...

Security Architect (DevSecOps)

Hiring Organisation
Pontoon
Location
London, UK
Employment Type
Full-time
architecture, dev-sec-ops, and network security. Experience in browser security or mobile app security is desirable. Good understanding of industry standards such as OWASP ASVS, OWASP Top-10, CIS benchmarks. Hands-on experience with complex Azure and AWS architectures with an emphasis on containerised workloads. Command-line/ ...

Security Architect (DevSecOps)

Hiring Organisation
Pontoon
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£750 - £800 per day
architecture, dev-sec-ops, and network security. Experience in browser security or mobile app security is desirable. Good understanding of industry standards such as OWASP ASVS, OWASP Top-10, CIS benchmarks. Hands-on experience with complex Azure and AWS architectures with an emphasis on containerised workloads. Command-line/ ...

Head of AI Security

Hiring Organisation
Capita Shared Services Limited
Location
West London, London, United Kingdom
Employment Type
Permanent, Work From Home
prompt injection, goal hijacking, memory poisoning, non-human identity abuse, and multi-agent attack surfaces. Understanding of EU AI Act, NCSC AI security guidelines, OWASP GenAI Security Project, and MITRE ATLAS. Ideally involved in academic and/or industry research on AI Security Leadership behaviours: Strategic thinking: able to translate ...

Product Cyber Security Manager

Hiring Organisation
Mpower Talent LTD
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£100,000 - £115,000 per annum
Excellence for secure engineering, driving consistency and best practice Develop and embed SDLC frameworks, policies, and guardrails aligned to leading standards (NIST SSDF, OWASP, ISO) Create and scale a pan-European virtual capability, influencing without direct authority Partner with senior stakeholders across engineering, product, legal, and commercial teams to embed … complex environment. You’ll bring: Proven experience leading secure development or DevSecOps transformation at scale Deep knowledge of SDLC security frameworks (e.g. NIST SSDF, OWASP SAMM/ASVS, ISO 27034) Strong understanding of modern engineering practices (Agile, CI/CD, cloud, automation) Expertise in application security, threat modelling, and secure ...

AI Engineer

Hiring Organisation
Marks Sattin
Location
London Area, United Kingdom
Bedrock (Agents, Knowledge Bases, Guardrails, model lifecycle). Solid AI/ML fundamentals : FMs, RAG, non‐deterministic agents, tool use. Secure AI knowledge: OWASP LLM Top 10 , agentic AI threats; NIST AI RMF exposure preferred. Able to work across security, engineering and risk; clear written and verbal communication. Role … actions to human identity (EU AI Act Articles 12 & 14). Role 2 – Threat & Adversarial AI Expert Lead AI threat modelling (STRIDE for AI, OWASP LLM/Agentic, attack trees). Maintain priority threat scenarios (Prompt Injection, Sleeper Agents, Denial‐of‐Wallet). Translate threats into adversarial test cases ...

Cybersecurity Specialist

Hiring Organisation
Randstad Digital
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £600 per day
Centralised Eval Platform: Operate a firm-wide service to measure success rates, uncertainty, hallucination, and bias across all non-deterministic systems. Secure Architecture: Map OWASP LLM Top 10 and agentic threats to technical controls; manage AWS Bedrock Guardrails and Knowledge Bases. AI Supply Chain: Own the AI-BOM , ensuring supply … Depth: Strong grasp of FMs, RAG, tool-use, and the failure modes of agentic workflows. Security & Compliance: Deep knowledge of NIST AI RMF, OWASP LLM Top 10, and UK/EU financial regulations (FCA/DORA). Testing Automation: Proven ability to build measurement frameworks for drift, memorization, and adversarial ...

Cybersecurity Specialist

Hiring Organisation
Randstad Technologies
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £600 per day
Centralised Eval Platform: Operate a firm-wide service to measure success rates, uncertainty, hallucination, and bias across all non-deterministic systems. Secure Architecture: Map OWASP LLM Top 10 and agentic threats to technical controls; manage AWS Bedrock Guardrails and Knowledge Bases. AI Supply Chain: Own the AI-BOM , ensuring supply … Depth: Strong grasp of FMs, RAG, tool-use, and the failure modes of agentic workflows. Security & Compliance: Deep knowledge of NIST AI RMF, OWASP LLM Top 10, and UK/EU financial regulations (FCA/DORA). Testing Automation: Proven ability to build measurement frameworks for drift, memorization, and adversarial ...