1 to 25 of 66 Security Testing Jobs in London

Penetration Testing Lead

Hiring Organisation
17918
Location
London, United Kingdom
Security Testing Practice Lead London (Hybrid 23 days per week) £85,000£100,000 DOE + Bonus + Benefits Lead a Growing Security Testing Practice We're looking for an experienced Security Testing Practice Lead to join a fast-growing cybersecurity consultancy. This … opportunity to lead a talented team, shape the future of our Offensive Security services and remain hands-on with complex testing engagements, including emerging AI and LLM security testing. Reporting to the Managing Director, you'll combine technical leadership, people management and client engagement to ensure exceptional ...

Penetration Testing Lead

Hiring Organisation
Tribe Appointments Ltd
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Security Testing Practice Lead London (Hybrid 23 days per week) £85,000£100,000 DOE + Bonus + Benefits Lead a Growing Security Testing Practice We're looking for an experienced Security Testing Practice Lead to join a fast-growing cybersecurity consultancy. This … opportunity to lead a talented team, shape the future of our Offensive Security services and remain hands-on with complex testing engagements, including emerging AI and LLM security testing. Reporting to the Managing Director, you'll combine technical leadership, people management and client engagement to ensure exceptional ...

Pen Tester

Hiring Organisation
Remarkable Jobs
Location
Greater London, Grange, United Kingdom
Employment Type
Permanent
Salary
£45000 - £60000/annum
Security Testing Consultant (Pen Tester) Location: London SE1 Salary: £45,000 - £60,000 depending on relevant experience Hours: Full-time, Monday to Friday Work Location: Office-based during probation, then hybrid (3 days office/2 days WFH) Full time/Permanent Remarkable Jobs are recruiting on behalf … dynamic and growing cybersecurity organisation. We are seeking a Security Testing Consultant (Pen Tester) to join their expert team in London SE1. This is a fantastic opportunity for an experienced professional to take on a varied, high-impact role conducting in-depth security assessments across multiple platforms. ...

Security Tester

Hiring Organisation
Searchability NS&D
Location
London Area, United Kingdom
Security Tester, Oracle Cloud Infrastructure – London, UK Up to £1,000 per day, depending on experience 12-month contract engagement London, hybrid working with 4 to 5 days per week onsite Active eDV clearance required ABOUT THE CLIENT Our client is a major technology and consulting organisation delivering … high-profile cloud transformation programme within a secure environment. They are looking for an experienced Security Tester to strengthen security assurance across Oracle Cloud Infrastructure, architecture, networks and access controls. THE BENEFITS Work on a complex, high-profile cloud programme Collaborate with experienced architecture, engineering and security ...

Security Engineer, AWS Security

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Amazon Development Centre (London) Limited The AppSec Security Engineer evaluates service design and architecture and performs deep‐dive security assessments to ensure applications and services meet a high security bar before launch. This role works alongside senior engineers to identify issues, drive remediation, and validate that security requirements are met. Key job responsibilities Security Reviews: Conduct design reviews for new and existing services, evaluating architecture documents and system designs for security risks. Threat Modelling: Identify attack vectors and security weaknesses in application architectures through structured threat‐modelling exercises. Penetration Testing: Coordinate penetration ...

Senior Application Security Consultant (SAST/DAST/OWASP )

Hiring Organisation
Salt
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Senior Application Security Consultant (SAST/DAST/OWASP )/DevSecOps Security - Banking - London Secure SDLC | SAST | DAST | Threat Modelling | Cloud Security | CI/CD Location: London (Hybrid - 8 days onsite per month) Contract: 12 Months + extension Rate: £500-£550 per day (Umbrella) The Opportunity … looking for an experienced Senior Application Security Consultant/DevSecOps Security Architect to join a high-performing Cyber Security function within a large enterprise technology environment. Working alongside software engineering, cloud, architecture and DevOps teams, you'll play a key role in embedding security throughout ...

Information Security Manager

Hiring Organisation
Jobleads-UK
Location
City of Westminster, England, United Kingdom
Career Opportunities: Information Security Manager (11003) LOCATION : Central London (Regent's Place, NW1) Hybrid – 4 days in office REPORTING TO : Head of Information Security TYPE OF CONTRACT : PERMANENT Reporting to the head of information security, this role plays a central part in protecting British Land's information … assets across both business technology and property technology. The primary focus is on the development, implementation, and management of British Land's information security governance, risk, and compliance programme — ensuring alignment with regulatory requirements, industry standards (e.g. Iso 27001, nist), and good practice. As a member of a small ...

Application Security Manager

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Application Security Manager has an important role and is responsible for ensuring TSB applications and third party products are developed and maintained is a secure way protects that Bank from threats. • Spearhead the red teaming across our software application estate, including mobile, web, cloud and API's - orchestrating … comprehensive assessment along with simulated attacks to ultimately ensure a fortified security posture and inspire confidence into the TSB business. • Work closely with Business Value Streams and 3rd party suppliers to ensure application risks are identified, resolved and reported appropriately. • Support the business in meeting the Bank’s security ...

Senior Cyber Security Analyst (OWASP / SAST /DAST )

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Senior Cyber Security Analyst (OWASP/SAST/DAST – Banking Client Application Security | Secure Design | Threat Modelling | DevSecOps) Locations: London, Paris, Brussels, Amsterdam Rate: Flexible Duration: 12 months We are looking for a Cyber Security Analyst specialising in Application Security and Secure Architecture to join … high-performing security team responsible for protecting large-scale enterprise platforms. This role focuses on embedding security into application design and development, performing security risk assessments, and ensuring that modern applications and platforms are built following secure-by-design principles. You will work closely with software engineers ...

Information Security Officer (Cloud Security)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Information Security Officer (Cloud Security) London, United Kingdom | Posted on 08/07/2026 Contract Role: Information Security Officer (Cloud Security) Contract Location: London/Belfast (Hybrid) Contract Duration: 6 months initially (with potential extension) Contract Start Date: Immediate Contract Classification: Inside IR35 Daily Rate … breakdown Traditional Daily Rate: £450 Deloitte is supporting a Tier 1 Global Bank in hiring experienced Information Security Officers to lead cloud security governance, security architecture and cyber risk management across large-scale technology platforms. This is a senior security role responsible for driving secure ...

OT Cybersecurity Engineer (Offensive Security / Security Assessments / Security Testing)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
enhancing our focus on safeguarding data and infrastructure in the face of evolving cyber threats. The IC/OT Cybersecurity Engineer will support the security of a global OT environment by implementing, and validating cybersecurity controls across IC/OT systems. The role includes performing risk and vulnerability assessments … contributing to secure architecture and strategy, and delivering hands‐on implementation of OT security solutions such as segmentation, monitoring, and privileged remote access. The engineer will also support controlled security testing and purple team activities to validate controls, identify attack paths, and improve detection and response. Additional ...

Penetration Tester

Hiring Organisation
Big Red Recruitment Midlands Limited
Location
London, United Kingdom
Employment Type
Permanent
seeking a Penetration Tester to join a growing Offensive Security team within a specialist cyber security consultancy. This is an exciting opportunity to join at a time of significant investment and growth, helping to strengthen existing testing services while contributing to the development of new capabilities across … areas such as Red Teaming, Operational Technology (OT), Threat-Led Security Testing and emerging technologies. The successful candidate will play a key role in delivering penetration testing engagements, supporting process improvement initiatives, and helping to build a scalable and mature testing function. This position offers excellent ...

Lead InfoSec Engineer, DevSecOps

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
expand in scale, cloud adoption, and regulatory exposure. To support secure delivery across multiple product lines, we need a senior DevSecOps leader that embeds security directly into engineering platforms, CI/CD pipelines, and developer workflows. The role addresses the growing complexity of cloud-native applications, containerized workloads … automated delivery pipelines by providing hands‐on technical leadership focused on secure‐by‐default developer experiences and scalable internal security tooling. Responsibilities and Impact Embed automated security controls into CI/CD pipelines across build, test, and release stages, designing risk‐based security gates and integrating comprehensive ...

Head of Cyber Security

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Purpose: To lead 7IM’s cyber security function and own the day-to-day execution of the Cyber Security strategy across the 7IM Group. The role is accountable for protecting 7IM’s clients, colleagues, data, systems and services from current and emerging cyber threats, while supporting business growth … regulatory expectations and operational resilience. The Head of Cyber Security translates the IT and Cyber Security strategy into practical controls, measurable outcomes and clear reporting. This includes cyber governance, security operations, vulnerability management, incident readiness, third-party cyber risk, security awareness, policy ownership and cyber assurance ...

Principal Threat Modeling Architect

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
high-performing team of threat modeling professionals. You will partner with application development, cloud engineering, cybersecurity, and business stakeholders to proactively identify and mitigate security risks across the software development lifecycle, cloud environments, and emerging technology initiatives.Why This Role Is Important To UsThe team you will be joining … part of the Security Architecture organization, a function that is critical to the firm's ability to design and deliver secure technology solutions. As cyber threats continue to evolve, threat modeling serves as a foundational security practice that enables the organization to identify architectural weaknesses early, reduce risk ...

eDV Security Architect

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Security Architect (Oracle Cloud Infrastructure) — London (Onsite) — 12-month Contract About the client Our client is delivering a complex, security‐sensitive cloud programme within a highly regulated environment. You’ll have the chance to shape and assure security architecture for critical systems, working alongside experienced engineering, architecture … testing teams. The role As a Security Architect, you will develop and assure security architecture for solutions hosted on Oracle Cloud Infrastructure (OCI) . You’ll translate security requirements into practical designs, controls and implementation guidance, ensuring security is embedded throughout the delivery lifecycle. ...

Senior Application Security Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
contact data and contextual signals are trusted by thousands of revenue teams to eliminate the guesswork from prospecting. THE ROLE The Senior Application Security Engineer is a key member of Cognism’s Information Security Team, reporting into the Application & Infrastructure Security Manager. Your mission is to embed … security by design across our engineering and product organization by integrating modern application security practices throughout the full development lifecycle. We focus on building secure, scalable, and resilient systems while enabling the business to innovate quickly and safely. It is to drive a culture where the fastest path ...

Security Architect

Hiring Organisation
Searchability NS&D
Location
London Area, United Kingdom
Security Architect, Oracle Cloud Infrastructure – London, UK London based role, 4-5 days per week onsite 12-month contract engagement Day rate up to £1,000 DoE Active eDV clearance required ABOUT THE CLIENT Our client is delivering a complex, security-sensitive cloud programme within a highly regulated … environment. This is an opportunity to shape and assure critical security architecture while working alongside experienced engineering, architecture and testing teams. THE SECURITY ARCHITECT ROLE You will develop and assure security architecture for solutions hosted on Oracle Cloud Infrastructure. You will translate security requirements into ...

Senior Cloud Security Engineer

Hiring Organisation
Health Hero
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
Senior Cloud Security Engineer (London, Bracknell 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. … 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 of a growing Platform Security ...

Penetration Testing Lead

Hiring Organisation
Stott & May Professional Search Limited
Location
London, United Kingdom
Employment Type
Permanent
Salary
£90,000
Penetration Testing Lead Location: London, UK (Hybrid) Salary: Competitive + Benefits Employment Type: Permanent Overview We are partnering with a rapidly growing cyber security organisation that has recently undergone a significant acquisition and is entering an exciting phase of expansion and investment. As part of this growth, they … seeking an experienced Penetration Testing Lead to take ownership of their offensive security function. This is a hands-on leadership role that combines technical delivery, team management, and strategic direction across a broad range of cyber security services. You will lead a team of security consultants ...

Security Architect - Anti-Piracy

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
content and services millions of people love. And we do it all right here at Sky. Role overview We are looking for a new Security Architect to support the design and improvement of security across Sky’s Anti-Piracy technology estate. This role is ideal for someone with … strong technical foundation who is ready to step into security architecture, helping to establish a clear security baseline across both on‐premise and cloud environments. You will work closely with engineering, data, and platform teams to identify risks, manage vulnerabilities, and embed secure‐by‐design practices. What ...

Information Security Review, Threat Modelling Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Responsibilities Perform end-to-end security reviews of infrastructure products and validate compliance with enterprise information security standards. Work closely with engineering teams and third‐party vendors to obtain information required for security assessments. Review technical documentation and perform hands‐on security testing of infrastructure … products. Identify security vulnerabilities, compliance gaps and non‐conformities. Produce detailed security findings and recommend remediation or risk mitigation strategies. Support Information Security teams throughout remediation activities. Design and review secure technical architectures. Embed quality control measures across security review processes. Produce high‐quality technical documentation ...

Senior Application Security Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Category Product Security Engineering Posting Date 06/25/2026, 03:40 PM Job Schedule Full time Job Description Senior Application Security Engineer Fortinet is looking for a Sr. Application Security Engineer to join the Corporate Information Security team. This is a highly technical role … with responsibilities conducting security reviews on various Fortinet applications, providing security education to our engineers and handling externally reported vulnerabilities. Key Responsibilities: Serve as an application security subject matter expert who provides guidance to internal teams Work closely with development teams, perform code reviews, penetration tests ...

Information Security Review & Threat Modelling Engineer (ISRP Manifold)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Information Security Review & Threat Modelling Engineer (ISRP Manifold) London, United Kingdom | Posted on 08/07/2026 Contract Role: Information Security Review & Threat Modelling Engineer (ISRP Manifold) Contract Location: London/Belfast (Hybrid) Contract Duration: 6 months initially (with potential extension) Contract Start Date: Immediate Contract Classification … exciting opportunity to join a leading global Tier 1 financial institution undergoing a major transformation of its technology landscape. We are seeking experienced Information Security Review & Threat Modelling Engineers to join a high‐performing cyber security team. The successful candidate will be responsible for conducting security reviews ...

Security Architect

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
consultative approach, you’re comfortable engaging with clients, understanding their needs, and translating them into effective outcomes. The Role We are seeking experienced Security Architects to support our public sector and enterprise clients in delivering secure digital services and technology transformation initiatives. The role involves engaging with multiple stakeholders … understand business objectives, identify security risks, and design security architectures that enable the safe delivery of business outcomes. You will work closely with solution architects, engineering teams, delivery managers, and client leadership to ensure that security is embedded by design and aligned with organisational risk appetites. ...