Top Cybersecurity Jobs in Barcelona

Lead Joko’s AI Platform product tribe, owning strategy, roadmap, and delivery for Joker, Gotham, internal automation, identity, security, compliance, and reliability products. Build production-grade agent infrastructure, retire legacy tools, align stakeholders across the company, and measure efficiency, cost, risk, and adoption. The role also involves hiring, mentoring, and managing Product Managers while remaining hands-on with platform product decisions.

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.

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.

Own the product security posture, regulatory compliance, risk acceptance, and security strategy across Materialise Software products. Translate regulations and customer expectations into security objectives, roadmaps, and priorities. Partner with product, engineering, DevSecOps, architecture, and executive security teams to align decisions, manage exceptions, support audits, and represent security externally. The role provides governance and leadership rather than hands-on architecture, tooling, coding, vulnerability management, or people management.

Own and evolve global network and security infrastructure across Materialise. Define security strategy, implement and test secure infrastructure, enforce governance, support production security operations, translate compliance requirements, manage critical incidents, coordinate security initiatives, and coach junior engineers. Collaborate with infrastructure, application, development, and management teams to improve cybersecurity technologies and protect organizational systems and data.

Own full-cycle technical recruiting across Engineering, Product, and Design. Build diverse talent pipelines, advise hiring managers and senior leaders, use AI-assisted recruiting tools, improve recruiting processes, manage talent communities, and report on hiring metrics. The role emphasizes stakeholder influence, candidate advocacy, sourcing hard-to-find talent, and delivering strong candidate and hiring-manager experiences.

Own product and protocol security across Jito’s Solana-based products. Responsibilities include threat modeling, secure design and code reviews, deployment hardening, internal audits, onchain monitoring, bug bounty operations, remediation tracking, AI-assisted security testing, and key and asset risk management. The role requires production software engineering experience, strong application security expertise, security automation skills, and familiarity with Web3, crypto, or DeFi.

Designs and implements security architectures across cloud, AI, and traditional IT environments. Advises security and IT leadership, conducts risk assessments, drives remediation, develops security policies and ISMS practices, supports M&A due diligence, and delivers security training. The role covers cloud and AI security, zero trust, application security, IAM, incident response, threat analytics, DevSecOps, compliance frameworks, and security automation.

Monitor and respond to global security incidents, lead incident response lifecycles, maintain alerts and automated playbooks, conduct threat hunting, manage threat intelligence workflows, and participate in on-call operations. The role partners with stakeholders to improve detection, containment, recovery, and post-incident processes across Mozilla products and services.

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.

Own identity and endpoint security across the company, including SSO, MFA, access provisioning, access reviews, MDM, EDR, device security baselines, and IT workflows. Respond to identity and endpoint incidents, assess vendor and SaaS integration risks, support secure AI tool adoption, automate security processes, and help develop scalable security policies and controls.

Design, build, and maintain Chromium-based browser components in C++ across multiple layers. Harden browser isolation and network infrastructure using networking and HTTP security expertise. Build AI agent and MCP integrations, develop supporting tools in Python or Rust, and deploy cloud infrastructure with AWS, GCP, Kubernetes, and Terraform. Optimize high-scale systems and collaborate with product, security, and AI teams.

Monitor and investigate security alerts across SIEM, EDR, cloud, network, and endpoint environments. Analyze logs, conduct alert triage, support incident response and remediation, identify root causes, tune detections, reduce false positives, prepare security reports, and improve SOC procedures. The role operates within a global 24/7 Security Operations Centre and requires collaboration with incident response and cybersecurity teams.

Administer and optimize SIEM platforms, develop and tune threat-detection capabilities, manage detection use cases, onboard security data sources, and improve monitoring effectiveness. The role collaborates with threat intelligence and incident response teams, supports cloud security architecture, builds dashboards and metrics, reduces false positives, and maintains SOC procedures and documentation across multiple customer environments.

Owns an end-to-end product area within Menlo Security’s agent runtime security platform. Responsibilities include researching agent security, identity, protocols, and competitors; writing PRDs and acceptance criteria; managing backlogs; partnering with engineering through releases; prototyping with AI tools, MCP clients, and agent runtimes; tracking adoption and success metrics; enabling support and solutions engineering; and supporting customers, sales, marketing, and competitive positioning.

Develop and implement security controls across backend systems, investigate incidents and anomalies, triage bug bounty submissions, conduct threat hunting, improve remediation processes, maintain security policies, and support access governance. The role requires hands-on coding, strong PHP knowledge, security awareness, clear communication with nontechnical teams, and ownership across a broad technology stack.

Own an AI investing product vertical end to end, including strategy, metrics, roadmap, technical design, delivery, launch, and regulatory readiness. Partner with engineering on APIs, data, ledgering, reconciliation, security, scalability, and failure handling. Apply AI with evaluation, safeguards, human oversight, and reliability controls while coordinating Engineering, Design, Compliance, Operations, Treasury, and Finance. Ensure financial correctness, trustworthy user experiences, and deliberate trade-offs across regulated fintech constraints.

Design and deliver end-to-end AI solutions from proof-of-concept to production on Azure. Architect GenAI, RAG, AI agents and ML systems, define standards and governance, guide engineering teams on MLOps/LLMOps, security and deployment, evaluate emerging AI technologies, and mentor engineers.

Own the technical sales cycle from demonstrations and proof-of-concept engagements through technical close. Partner with Sales, Product, and Engineering to develop deal strategies, deliver tailored technical presentations, understand customer security workflows, recommend architectures, address objections, and communicate business value. Represent the company at customer meetings, events, and conferences while serving as a trusted technical advisor to security and engineering stakeholders.

Own technical direction and execution for major products and systems. Design scalable backend, frontend, API, database, and infrastructure solutions; write code; make architecture trade-offs; resolve production issues; improve engineering quality, testing, security, and observability; and mentor engineers across teams.

Own technical direction and execution for major products and systems. Design scalable, reliable architectures, write production code, lead engineering initiatives, make technical trade-offs, solve complex production issues, improve engineering quality, and mentor engineers across teams. The role is hands-on, remote, globally distributed, and requires strong English communication.

Provide technical presales and cloud solutions architecture for Azure deployments and migrations. Act as subject-matter expert, design solution scenarios, train customers, coordinate with sales and partner teams, and accelerate partner project deployments while ensuring partner satisfaction.

Lead technical direction and hands-on execution for major software products and systems. Design scalable backend, frontend, API, database, and infrastructure solutions; write code; make architecture trade-offs; resolve production issues; improve engineering quality; lead critical initiatives; and mentor engineers across distributed international teams.

Owns technical direction and execution for major products and systems. Designs scalable, reliable architectures across backend, frontend, APIs, databases, and infrastructure; writes code; leads architecture decisions; resolves complex production issues; improves engineering quality; drives critical initiatives; and mentors engineers across teams.