Offensive Security Testing
650 open positions
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Senior Consultant, Penetration Testing (Unit 42)↗ Palo Alto NetworksRemote 11d Conduct comprehensive penetration tests (network, web application, cloud, mobile) to identify and exploit vulnerabilities and deliver actionable recommendations to enhance client defenses.
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Join Our Cyber Defence Services↗ KPMG UKLondon Area, United Kingdom 11d Deliver penetration testing, security testing, and technical cyber assurance to help clients understand vulnerabilities and protect against real-world cyber threats.
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AI Offensive Security Engineer – LLM & Penetration Testing - BANKING CLIENT - LONDON↗ SaltLondon Area, United Kingdom €130k–€208k11d Hands-on AI Offensive Security Engineer developing and operationalizing AI-powered security testing capabilities using LLMs and AI agents for vulnerability identification, assessment, and validation.
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Red Team Engineer↗ iProov £90k11d Assess and challenge the security of mobile SDKs, applications, and biometric identity flows against sophisticated threats like deepfakes and device compromise.
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Senior Threat Emulation & Exposure Consultant CrowdstrikeSingapore - Remote 11d Operate service capabilities to continuously evaluate risk and exposures using SafeMind, Falcon, and other frontier capabilities to proactively mitigate risk to customer IT infrastructure.
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Sr. Application Security Engineer / Ethical Hacker↗ Sherwin-WilliamsRemote 11d Planning and performing manual penetration testing of traditional and AI-enabled applications, identifying vulnerabilities, and partnering with development teams for remediation.
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Senior Offensive Security Engineer↗ Unity TechnologiesOlympia, WA, US $160k–$305k11d Plan and run realistic adversary emulation and red team operations across Unity's engine, client runtime, cloud products, and corporate environments to find critical weaknesses and drive fixes.
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Director, Offensive Security Grant ThorntonThe Rocks, Sydney 11d Build and lead a differentiated offensive security capability within a professional services firm's Cyber Resilience practice, scaling AI-enabled delivery models to help organizations stay ahead of cyber threats.
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Senior Consultant Offensive Security (m/w/d) Sopra-Steriabundesweit, de 12d Conducting complex penetration tests, Red-Teaming, and Purple-Teaming across Web, Mobile, Infrastructure, Cloud, API, and OT; developing threat scenarios and adversary emulation; building an Offensive-Security-Factory with automation and CI/CD pipelines.
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AI Red Team Penetration Tester↗ AlignerrRemote 12d Conduct penetration tests against AI-powered applications, APIs, and infrastructure to uncover security vulnerabilities including prompt injection, model manipulation, and data poisoning vectors.
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Offensive Security Specialist (m/w/d) | Pentesting MindBytes GmbHRemote €70k–€85k12d Conduct offensive security pentests on external and internal infrastructures, Active Directory, and cloud environments for clients, delivering prioritized remediation plans.
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Penetration Tester↗ Lawrence HarveySouth West, England, UK £60k12d Proactively identify vulnerabilities in networks, applications, infrastructure, and cloud environments; conduct red team exercises emulating real-world threat actors; build custom tooling from scratch.
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Senior Penetration Tester AND Red Team↗ ZohoToronto, Ontario, Canada 12d Senior Penetration Tester / Red Team Engineer conducting offensive security initiatives, custom tool development, and enterprise security assessments.
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Senior Cyber Security Consultant↗ Quadrant360 Consulting Pte Ltd 12d Lead vulnerability assessments, penetration tests, red teaming, and risk assessments while implementing security solutions and managing daily operations of managed security services.
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Especialista em Cyber Security↗ Finaya 12d Principal internal reference for Cyber Security, building security alongside engineering and product teams to find vulnerabilities, write fixes, deploy controls, create detections, and automate prevention.
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Penetration Tester↗ Avord GroupRemote 12d Conduct security assessments across web applications, networks, APIs, cloud environments, and internal systems to identify vulnerabilities and provide remediation guidance.
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Penetration Tester↗ OchoBelfast, Northern Ireland, UK £40k12d Deliver hands-on manual penetration tests for web applications, APIs, and AI-enabled systems for a global law firm.
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Senior Offensive Security Engineer (Web & API)↗ Applaudo 12d Senior offensive security professional performing manual penetration testing on web applications, REST/SOAP APIs, and SSO-protected environments to identify and validate exploitable vulnerabilities.
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Pentest Coordinator ThomsonreutersIndia, Bengaluru, Karnataka 12d Coordinate and manage penetration testing projects from initiation through completion, ensuring successful delivery across the organization.
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Especialista em Segurança da Informação (Ofensiva)↗ Grupo GPSSão Paulo, São Paulo, Brazil 12d Offensive security specialist leading penetration testing, vulnerability management, and incident response for web, mobile, and infrastructure environments.
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Senior Red Team Consultant (m/f/d) SRLRemote 12d Simulate adversarial cyber attacks on corporate environments with high-level protection, performing full-chain emulations from initial access to domain takeover to identify security gaps.
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Information Security Engineer (Thick Client Testing / Harness / VAPT) ZscalerOffice - Bagmane, India 13d Lead penetration testing efforts across applications and infrastructure while conducting deep security architecture reviews to safeguard the global ecosystem.
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Analyst, IT Security Engineering, IT CITIC CLSAHong Kong, Hong Kong, HK 13d Engineer and support security solutions, contribute to IT and Cyber security strategy, and manage a portfolio of IT security tools including identity access management, network intrusion detection, endpoint protection, and data leakage protection.
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Cybersecurity Researcher – Offensive & Defensive Network Security Imperial Research And Innovation SingaporeSingapore 13d Researching and defending connected medical devices and healthcare systems by finding weaknesses, building defenses, and developing tools.
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Senior Penetrationstestare↗ KnowitStockholm, Stockholm County, Sweden 13d Conduct advanced penetration tests and security assessments for public and private organizations, combining technical expertise with advisory and customer dialogue.
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Junior Pentester & Vulnerability Management Specialist↗ IwanticRemote 13d Conducting penetration tests, vulnerability assessments, and developing attack automations to identify and remediate security vulnerabilities.
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Especialista Senior en Pentesting Mainframe↗ Oxigent TechnologiesRemote $60k13d Senior offensive security specialist conducting authorized penetration testing on critical banking mainframe platforms (IBM Z/z/OS) to improve defensive maturity and remediation.
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Onsite_ Penetration Tester_ Chaska, MN↗ ThemesoftChaska, MN, US 13d Conducting advanced penetration testing and vulnerability assessments across web applications, APIs, networks, cloud environments, and systems, including LLM/AI application risks.
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Penetration Tester (AI-Enabled)↗ Hudson ManpowerChaska, MN, US 13d Leverage AI/GenAI to accelerate penetration-testing activities including reconnaissance, test-case generation, analysis, scripting, and reporting while conducting security testing of web applications, APIs, networks, and cloud environments.
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Senior Adaptive Threat Simulation Red Teamer GhrDenver, US $160k–$205k13d Conducts research, analysis, and testing of computer/network vulnerabilities via vulnerability assessments, penetration testing, red team operations, and social engineering, with a specific focus on AI/LLM security risks and adversarial attack techniques.
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Analista de Segurança da Informação SR↗ Mirae Asset Wealth Management (brazil) C.C.T.V.M. Ltda 13d Senior offensive security professional (Red Team/Ethical Hacking) responsible for identifying, validating, and supporting the remediation of vulnerabilities through practical intrusion testing, attack simulations, and custom tool development to ensure…
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Penetration Tester↗ CognisysRemote 13d Deliver penetration testing and security assessments across networks, web applications, APIs, mobile apps, and cloud environments for clients.
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Senior Red Team Analyst↗ Copello GlobalGreater Bristol Area, United Kingdom £53k13d Senior Red Team Analyst testing security controls, validating SOC detection, and identifying vulnerabilities to strengthen cyber resilience for a defence organisation.
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Offensive Security Auditor / Penetration Tester↗ ThalesMadrid, Community of Madrid, Spain 13d Conduct full lifecycle security assessments including penetration testing, vulnerability analysis, and reporting findings to clients for internal/external infrastructure, web/mobile apps, and APIs.
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Ethical Hacker↗ Accenture PortugalLisbon, Lisbon, Portugal 13d Conduct advanced penetration testing and security assessments across web applications, APIs, mobile apps, infrastructure, cloud, and Active Directory to identify vulnerabilities and provide remediation guidance.
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Pentester / Auditor/a de Seguridad 100% Remoto↗ MetricaRemote €20k13d Conduct penetration testing, ethical hacking, and technical security audits on web applications, mobile apps (Android/iOS), APIs, and infrastructure.
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Senior Advisor, Full-Scope Cross-Sector Intrusion Testing DesjardinsMontréal, CA 13d Senior advisor leading high-impact strategic offensive mandates and full-scope cross-sector intrusion testing to identify, analyze, and mitigate threats to systems, networks, and apps.
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Senior Offensive Security Consultant↗ Dl RemoteRemote €100k13d Planning and executing complex penetration tests and realistic cyber-attack simulations in IT, Cloud, and AI environments to improve customer detection and response mechanisms.
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Sr. Security Engineer (Penetration Testing) CertiKRemote $100k–$180k13d Conducting security assessments, penetration testing, and source code reviews for web, mobile, cloud, and blockchain applications.
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Senior Security Engineer - Microsoft Red Team MicrosoftUnited States, Multiple Locations, Multiple Locations 14d Develop custom offensive tooling and AI-driven agentic operations to emulate advanced adversaries and discover vulnerabilities across cloud, identity, and network layers.
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Conseiller·ère senior en tests d’intrusion (Pentest)↗
Alfaconseil.CaMontreal, Quebec, Canada
14d
Senior penetration tester conducting end-to-end security assessments to identify and evaluate risks on applications, infrastructure, and cloud environments.
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Consultant, Red Teaming↗ Ensign InfoSecuritySingapore, Singapore 14d Plan and conduct authorized Red Team engagements, adversarial simulations, and objective-based security assessments to identify attack paths and validate defensive controls.
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Pentester Senior | Ciberseguridad Ofensiva↗ ProcesiaMadrid, Community of Madrid, Spain 14d Senior offensive security professional conducting penetration tests, security audits, and infrastructure hardening for web applications, electronic sites, and APIs.
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Ethical Hacker↗ Olimpia 14d Identify security vulnerabilities in systems through vulnerability analysis, penetration testing, and social engineering to strengthen organizational security posture.
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Penetration Tester (CST)↗ ClaranetEngland, United Kingdom 14d Consultant-led continuous security testing service providing automated and manual vulnerability identification, exploitation, and remediation advice to monitor external attack surfaces.
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T&T - Senior Consultant - Cyber Defense & Resilience (offsec) - SG↗ DeloitteSingapore, Singapore 14d Identify and mitigate cyber risks by assessing systems, networks, and applications for vulnerabilities and simulating real-world attacks.
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