Top Cybersecurity Jobs in Portugal

The Manager, Product Architect will drive product innovation in digital authentication, design architectures, validate concepts, and guide delivery teams in aligning with Mastercard's standards.

Lead detection engineering for Datadog Cloud SIEM by researching attacker techniques, building scalable detections and AI-assisted investigation workflows, owning detection lifecycles, mentoring engineers, and collaborating with Product, Engineering, and Security Research to improve platform security coverage across cloud-native and enterprise environments.

Lead architecture and evolution of large-scale Kubernetes-based platforms. Translate business needs into scalable HLD/LLD solutions, set cloud-native best practices, guide engineering teams, support implementation and production troubleshooting, and improve platform capabilities across CI/CD, observability, and security.

Full-cycle technical recruiter partnering with hiring leaders to source, assess, and close engineering, cloud, security, DevOps, and AI-adjacent talent—primarily supporting hires in Portugal. Build high-volume pipelines using LinkedIn Recruiter and AI sourcing tools, manage candidate experience, provide recruiting metrics and market intelligence, advise on interview processes, and handle reference and work-authorization considerations.

As a Senior Lead Customer Technology Advisor, you will leverage your technical expertise to drive customer success through innovative technology solutions while managing pre-sales processes and stakeholder collaboration.

Lead design and development of low-level Linux instrumentation and runtime security technologies (eBPF) to detect threats and protect cloud-native workloads. Build reusable monitoring for process, file, and network visibility, drive end-to-end feature delivery, establish testing methodologies for reliability and performance, partner cross-functionally, and provide technical leadership and mentoring.

Serve as a senior network security domain authority to define network engineer personas and workflows, advise product and AI teams, validate agent behaviors across firewall, cloud/SASE, policy management, compliance, vulnerability management, and troubleshooting, and help build realistic enterprise test scenarios.

Lead QA strategy and risk reduction within cross-functional teams. Coach and embed exploratory testing, shift-left and collaborative QA practices. Influence architecture, CI pipelines, monitoring, and cross-functional requirements (security, accessibility, performance, data protection). Contribute to QA community and drive documentation, process improvements and domain-wide quality initiatives.

Design, build, and operate distributed, high-volume transactional backend services in Go. Own scope, architecture, correctness guarantees, production behavior, observability, and automated verification. Collaborate across product, infra, and QA while using agent-driven engineering practices.

Lead and scale a global, AI-native Solutions Engineering organisation (~15 people). Set strategy, build playbooks for mid-market and enterprise motions, enable partners, coach leaders, influence product and GTM, and ensure repeatable, production-ready technical outcomes for complex enterprise customers.

The Lead Golang Software Engineer develops server solutions, leads technical designs and code reviews, mentors colleagues, and ensures the quality of engineering practices in the Commercial Systems unit.

The Enterprise Customer Success Manager enhances customer experience by onboarding clients, managing relationships, and identifying growth opportunities, especially in IT solutions and cloud technology.

Build and own AI/LLM-assisted product features in Ruby on Rails: integrate LLM APIs, implement prompts and retrieval patterns, ensure reliability, security, and performance, write automated tests, debug production issues, and improve system behavior over time.

The Senior Application Security Engineer will design and improve Secure SDLC, integrate security practices, and lead application security reviews across multiple platforms while ensuring fast delivery of secure products.

Dragonfly is seeking Software Engineers for various portfolio companies, focusing on crypto technologies. Engineers of all experience levels are needed across multiple stacks.

Design, build, operate, and support resilient distributed platform services. Write maintainable code, troubleshoot production issues, improve reliability and observability, and assist internal teams. Participate in on-call rotations and collaborate on platform evolution.

Lead and scale strategic partner motions (channels, GSIs, ISVs, OEMs, cloud, silicon) to drive joint go-to-market plans, revenue, and market expansion. Build executive relationships, enable partners technically and commercially, establish pipeline governance, and coordinate product, sales, marketing, and engineering to convert partner potential into measurable customer impact.

Lead deployment and post-sales account management for Menlo security solutions: design integrations, create SOWs, implement and test solutions, train customers, troubleshoot systems, liaise with sales and executive stakeholders, and drive product improvements and retention.

Develop and extend Menlo Security's remote browser technology across desktop and mobile. Work on Chromium internals, networking, media, HTML5 features, containerization, scaling and cost optimization with a strong security focus. Contribute design, code, reviews, and documentation to support millions of users globally.

Design, build, and operate multi-region VM and Kubernetes infrastructure on GCP and AWS. Lead IaC standards with Terraform/Spacelift, implement observability (Grafana/Prometheus/OTel), manage core platform services (DNS, certs, ingress, service mesh), drive automation and CI/CD, mentor engineers, and participate in 24x7 on-call incident response and post-incident reviews.

Lead architecture and ownership of Menlo's cybersecurity policy platform (storage/versioning, distribution, real-time enforcement). Modernize distributed systems for reliability, scalability, and low latency. Drive end-to-end projects, lead design reviews, mentor engineers, partner with product/security/ops, and champion AI-assisted development and ML-driven policy features.

Develop and extend Menlo Security's web isolation remote browser technology across desktop and mobile. Work on Chromium internals, networking, video/audio, HTML5 features (WebGL/WebRTC), containerization, scaling and load balancing with a strong systems-level Linux and security focus.

Senior Sales Engineer for META region: lead technical strategy, architect and deliver PoVs/PoCs, run deep architectural workshops with CISOs, enable channel partners and GSIs, translate isolation and zero-trust concepts into business value, and relay regional compliance needs to product and engineering teams.

Design, build, and maintain high-performance backend infrastructure and data pipelines for an AI-focused cloud security platform. Drive architecture and scalability improvements, collaborate with product and security research, deliver end-to-end features, and improve engineering practices with automation and robust testing.

Owner of post-sale technical relationship for EMEA customers: lead onboarding and deployments of the Upwind platform, drive feature adoption and roadmap discussions, support renewals and expansions, and advocate customer needs cross-functionally to ensure value realization and satisfaction.