Devoteam Cyber Trust | AI EngineerFull-timeContract type: Permanent contractCompany DescriptionA Devoteam Cyber Trust é a unidade especializada em cibersegurança do Grupo Devoteam. Com mais de 800 especialistas localizados na região EMEA, o nosso objetivo é estabelecer a cibersegurança como um facilitador do sucesso dos negócios, em vez de um obstáculo. Utilizamos uma abordagem abrangente de Resiliência Cibernética, Segurança Aplicada e Gestão de Serviços de Segurança para proteger a jornada tecnológica de empresas de grande e média dimensão de todos os setores e indústrias.Desde 2009, anteriormente com a denominação INTEGRITY, a nossa equipa sediada em Portugal é especializada em fornecer Serviços Geridos de Segurança de ponta, que combina a sua expertise e tecnologia proprietária para reduzir de forma consistente e eficaz o risco cibernético dos nossos clientes. A ampla gama de serviços abrange Testes Persistentes de Intrusão, ISO 27001, PCI-DSS, Consultoria e Soluções de GRC e Gestão de Riscos de Terceiras Partes. Certificados em ISO 27001 (Segurança da Informação) e ISO 9001 (Qualidade), PCI-QSA e membros da CREST e CIS - Centro de Segurança na Internet, prestamos serviços a um número considerável de clientes, operando em mais de 20 países.Job DescriptionMissionDevelop and evolve an autonomous pentesting platform based on agentic systems, integrated within the Offensive Security domain—specifically the Offensive Engineering and Innovation team—ensuring systems are effective, controllable, and capable of producing relevant and reliable outputs in real-world penetration testing scenarios.Role ContextThis role sits within the Offensive Engineering and Innovation team, responsible for creating new technical capabilities that extend and scale offensive security services.The platform aims to automate significant parts of the pentesting lifecycle, aligned with methodologies such as the OWASP Web Security Testing Guide (WSTG), leveraging agents, LLMs, and integrations with existing security tooling.This is not an isolated experimental initiative. It is a production-oriented capability with direct application in delivery environments.ResponsibilitiesDefine and evolve the architecture of autonomous pentesting agentsDevelop controlled execution pipelines (tasking, tool usage, feedback loops)Design and improve mechanisms for:PlanningState managementTool usage orchestrationValidation and control of agent executionIntegrate and optimize LLM-based systems within agent workflowsDefine and validate tool-calling interfaces and integrations with pentesting toolsEnsure alignment with established methodologies (e.g., OWASP WSTG)Test and validate agent behavior in real-world scenariosIdentify, analyze, and mitigate system failures and edge casesContribute to internal standards, engineering practices, and design patternsQualificationsTechnical Skills:RequiredStrong proficiency in PythonExperience with APIs and distributed systemsPractical experience with LLMs (usage, integration, limitations)Understanding of agent-based systemsHighly ImportantAbility to design complex, non-deterministic systemsExperience with:Task decomposition and planningState management and execution continuityTool orchestrationOutput validation and evidence handlingStrong debugging capability (deep system-level troubleshooting)Ability to validate system behavior, not only code correctnessDifferentiatorsExperience with agent frameworksBackground in Application Security (AppSec)Experience with security testing automationExposure to multiple LLM models and providersSoft SkillsStrong critical thinkingAbility to operate in imperfect and evolving systemsExperimental and outcome-driven mindsetStrong focus on control, reliability, and predictabilityHigh autonomy and ownershipSuccess MetricsAgents produce useful, actionable outputsExecution is predictable and controllableLow rate of unexpected or unsafe behaviorsEffective integration into real pentesting workflowsContinuous system evolution without uncontrolled complexity growthAdditional InformationO que oferecemos:Valorização e acompanhamento do talento;Aposta no desenvolvimento dos nossos colaboradores;Colaboração numa empresa em constante crescimento e evolução;Forte cultura organizacional: colaboração, partilha, flexibilidade, integridade e low ego.Gostarias de te juntar à nossa equipa? Então envia o teu CV.The Devoteam Group works for equal opportunities, promoting its employees based on merit and actively fights against all forms of discrimination. We are convinced that diversity contributes to the creativity, dynamism and excellence of our organization. All of our vacancies are open to people with disabilities.By clicking the link above or any third-party link within this posting, you are leaving this site and going to a third-party website where the third-party website's terms and privacy policy applyJob LocationGoogle Maps requires functional cookies to be enabledI'm interestedI'm interestedPrivacy Notice