Top Cybersecurity Jobs in Lisbon

Lead Infovista’s international network, infrastructure, cloud, and DevOps organization. Own the multi-year platform strategy, roadmap, budget, reliability, security, cost optimization, and delivery outcomes. Govern offshore partners, sourcing models, SLAs, and performance while providing technical direction on cloud, Kubernetes, networking, and automation. Partner with executive, product, engineering, and security stakeholders to build scalable platforms supporting SaaS, network intelligence, AI, analytics, and automation initiatives.

Design, develop, review, deploy, and maintain security-focused distributed systems operating at internet scale. Participate in on-call rotations, monitor emerging web application security risks, contribute to product roadmaps, collaborate cross-functionally, and mentor other engineers through technical guidance and knowledge sharing.

Deliver cybersecurity platform demonstrations, free trials, technical qualification, and first 60 days of customer onboarding. Lead webinars, workshops, and cyber bootcamps; support customer adoption and migration at scale. Partner with sales, customer operations, product, content, and engineering teams while communicating technical concepts clearly to technical and non-technical audiences.

Leads multiple engineering teams delivering customer-facing cybersecurity products. Sets technical direction and strategy, partners with Product Management, mentors engineering managers and engineers, establishes performance metrics, manages cross-organizational projects, hires engineering talent, and drives continuous improvement while fostering an empathetic, results-oriented engineering culture.

Own the strategy, roadmap, and lifecycle of Cloudflare’s enterprise Email Security platform. Lead threat detection investments, Zero Trust integration, customer discovery, competitive differentiation, and global launches. Partner with engineering, threat intelligence, sales, and design teams to address email threats such as business email compromise and phishing. Drive product growth, enterprise adoption, and technical platform evangelism while making data-informed investment decisions.

Supports the security and compliance of IT products throughout their lifecycle. Responsibilities include defining security requirements and controls, coordinating security testing, tracking remediation plans, providing guidance to application teams, maintaining security processes and documentation, and facilitating security meetings. Requires strong information security experience across standards, identity and access management, encryption, secure development, vulnerability management, and Azure cloud security.

Monitor and analyze security events, assess information security and compliance, manage vulnerability remediation, support audits and certifications, and optimize security tools across infrastructure, applications, networks, cloud, containers, Linux, and Windows environments.

Own the full enterprise sales cycle across Iberia, from prospecting and new-logo acquisition through negotiation and close. Manage territory activities, complex multi-stakeholder deals, demos, proof-of-value engagements, pipeline forecasting in Salesforce, and strategic customer relationships. Collaborate with Marketing, Sales Engineering, Product, and Leadership while consistently exceeding quotas and mentoring junior team members.

Design, build, and operate Cloudflare application security systems, including rate limiting and web application firewall services. Lead complex technical projects, define scalable architectures, improve reliability, review code and designs, collaborate across engineering teams, and mentor other engineers. The role involves distributed systems, production monitoring, debugging, operational improvements, and occasional on-call support.

Own the full enterprise sales cycle across the Nordics, from prospecting through negotiation and close. Drive new-logo acquisition, manage complex multi-stakeholder deals, deliver tailored demos and proof-of-value engagements, maintain pipeline and forecasting in Salesforce, and build trusted relationships with key stakeholders. Collaborate with marketing, sales engineering, product, and leadership while consistently exceeding quotas and supporting junior team members.

Design, implement, and maintain distributed software systems supporting Cloudflare’s application security products, including Rate Limiting and Web Application Firewall. Participate across the software development lifecycle, write automated tests, monitor production deployments, debug complex systems, review code, collaborate with security and infrastructure teams, and mentor colleagues. The role involves Rust and Go development, databases, Docker, Kubernetes, and maintaining reliable, fault-tolerant systems at scale, with possible on-call responsibilities.

Develop and maintain Python-based automated tests for functional and software security validation. Integrate testing into CI/CD pipelines and support authentication, authorization, API security, vulnerability, and robustness testing. Collaborate with engineering and security teams on secure-by-design development, DevSecOps, security automation, and AI-assisted testing for optical networking solutions.

Lead end-to-end IT infrastructure projects from planning through closure. Coordinate technical teams, suppliers, and stakeholders while managing schedules, budgets, risks, issues, governance, reporting, and quality delivery. The role requires experience in structured IT environments, Waterfall methodologies, infrastructure technologies, and project management tools. Public sector, EasyVista, and PRINCE2, PMP, or ITIL Foundation experience are valued.

Review CVE reproductions, exploit proof-of-concepts, vulnerability remediation, Docker-based labs, and security verification tests. Assess whether environments accurately reproduce attack conditions, fixes address root causes, and normal functionality remains intact. Identify incomplete fixes, regressions, alternative attack paths, and configuration issues while evaluating vulnerabilities using CVSS and CWE frameworks. Provide technically rigorous recommendations and written feedback.

Lead application security across product engineering, infrastructure, and software development. Responsibilities include security architecture, threat modeling, design reviews, vulnerability assessments, penetration testing, code reviews, privacy and regulatory design, security tooling, and developer education. The role focuses on securing cloud-native, distributed banking systems and improving security posture through strategic planning, automation, and cross-functional collaboration.

Investigate fraud, money laundering, account abuse, cheating, and security threats. Manage transaction queues, review documentation, conduct deep-dive investigations, identify coordinated abuse patterns, collaborate cross-functionally, and report fraud trends. Recommend process and tool enhancements while maintaining strong customer support, regulatory compliance, and platform integrity.

Conduct security assessments, audits, threat modeling, vulnerability testing, and remediation across IT and business solutions. Translate security strategies into actionable requirements, advise teams on secure-by-design practices, evaluate supplier security, and develop security solutions for corporate infrastructure. The role also involves mentoring colleagues, promoting security policies, and communicating cybersecurity concepts to technical and non-technical stakeholders.

Own product and infrastructure security across fintech products and cloud environments. Lead threat modeling, architecture reviews, secure code reviews, vulnerability management, bug bounty operations, CI/CD security scanning, IAM and secrets management, and security standards. Partner directly with engineering leadership to identify and remediate critical vulnerabilities across backend services, APIs, frontends, Solana programs, and infrastructure.

Lead and scale OX Security’s EMEA channel ecosystem by developing partner strategy, recruiting and enabling partners, driving channel-sourced pipeline and revenue, and coordinating joint go-to-market execution. The role manages relationships with VARs, MSSPs, distributors, and system integrators while collaborating with Sales, Marketing, and Product. Responsibilities include partner performance optimization, joint planning, program development, ecosystem analysis, and representing the company within the cybersecurity channel community.

Lead application security initiatives across product engineering and infrastructure teams. Responsibilities include security design, threat modeling, vulnerability assessments, penetration testing, code reviews, privacy and regulatory design reviews, security tooling development, and developer education. The role focuses on securing cloud-native banking products, automating security processes, and improving the organization’s security posture through cross-functional collaboration.

Lead application security efforts across product and infrastructure teams. Responsibilities include security design reviews, threat modeling, vulnerability assessments, penetration testing, code reviews, privacy and regulatory design reviews, security tooling development, and developer education. The role focuses on securing cloud-native, distributed banking applications and improving security posture through strategic cross-functional collaboration.

Protect Thought Machine’s cloud banking products by designing application security controls, conducting threat modeling, vulnerability assessments, penetration testing, code reviews, and security design reviews. The role collaborates with development and infrastructure teams, automates security tooling, advises on privacy and regulatory requirements, and mentors engineers throughout the software development lifecycle.

Designs and implements technical and operational security controls for cloud and on-premises environments. The role includes automating continuous control assurance, supporting ISO 27001, ISO 22301, PCI DSS, and SOC 2 certifications, conducting threat and risk assessments, maintaining security and business continuity management systems, and explaining security approaches to clients and auditors.

Design and implement technical and operational security controls for cloud and distributed systems. Automate control assurance, support certifications including ISO 27001, ISO 22301, PCI-DSS, and SOC 2, conduct threat and risk assessments, maintain security and business continuity management systems, and communicate security solutions to clients, auditors, and internal stakeholders.

Evaluate and improve application security architecture, processes, tools, and documentation. Conduct security design reviews, code reviews, threat modeling, and security testing for applications, AI systems, LLM applications, and AI agents. Identify vulnerabilities and architecture gaps, collaborate with development and product teams on remediation, implement security best practices, and assist with security incident response.