Top Cybersecurity Jobs in Lille

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 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.

Own Alan’s security governance, risk, and compliance program for sensitive health data. Responsibilities include operating the ISO 27001 ISMS, managing regulatory and third-party risk, coordinating audits, governing incidents and business continuity, automating evidence collection, administering GRC tooling, assessing cloud architecture and vulnerabilities, and partnering with Legal, Risk, Internal Audit, Engineering, and regulators.

Own the full enterprise sales cycle across the UK, from prospecting and new-logo acquisition through negotiation and close. Manage territory activities, complex stakeholder processes, pipeline forecasting in Salesforce, tailored demos, proof-of-value engagements, and quota performance. Collaborate with Marketing, Sales Engineering, Product, and leadership while building trusted customer relationships and mentoring junior team members.

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.

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 and improve the security posture of Kestra’s platform, infrastructure, and open-source ecosystem. Responsibilities include penetration testing, threat modeling, vulnerability management, remediation, cloud and Kubernetes hardening, security automation in CI/CD, code reviews, supply-chain risk assessment, incident response, and continuous monitoring.

Generates qualified enterprise pipeline across EMEA through cold calling, multichannel outreach, lead qualification, and meeting scheduling. Manages complex multinational accounts, tailors messaging to regional markets, and partners with field sales and channel partners. Uses Salesforce and AI tools for account research, outreach, CRM management, and call summaries. Supports field events, contributes effective outbound playbooks, and mentors newer BDRs. Occasional travel within EMEA is required.

Own day-to-day security operations across endpoints, identity and access, cloud, and SaaS tools. Administer MDM, patching, encryption, access reviews, and joiner/mover/leaver processes; monitor alerts and investigate incidents; support Vanta evidence collection for SOC 2, ISO 27001, and ISO 42001; assist with vendor and customer security questionnaires; and provide practical desktop and device support.

Conduct attacker-driven security research on Aave protocol changes, smart contracts, integrations, and critical dependencies. Review architecture and code before audits or deployment, identify exploitable protocol risks, contribute to AI-assisted security tooling, and translate findings into invariants, testing, monitoring, and incident-response improvements. Collaborate with engineers, auditors, and monitoring teams while communicating risk, severity, uncertainty, and trade-offs clearly.

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 and expand the cybersecurity function across application security, compliance, cloud and infrastructure security, and business application security. Own ISO 27001 and SOC 2 audits, secure Kubernetes and cloud environments, integrate security into CI/CD, manage identity and access controls, oversee vendor risk, and advise engineers and executives on security risks and trade-offs.

Deploy and integrate autonomous vulnerability-management platforms into high-security, sovereign, and air-gapped environments. Read and modify customer and platform code, identify vulnerabilities, verify patches, build security tooling integrations, and navigate authentication, network, compliance, and cross-domain constraints. Act as the technical bridge between customers and core engineering and AI teams while advising customer engineering, SOC, and operational leaders on automated defense and vulnerability remediation.

Design and execute manual and automated testing for web applications, APIs, and backend services. Build regression, smoke, and critical-path automation suites; validate functional, integration, end-to-end, and non-functional requirements; identify and track defects; verify fixes; and collaborate with engineering, product, and DevOps teams. Use AI-assisted tools for test generation, flaky-test triage, and log analysis while improving QA processes, tooling, coverage, and release quality.

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.

Own Pigment’s product, infrastructure, and CI/CD security roadmap as a hands-on technical leader. Responsibilities include threat modeling, secure architecture and code reviews, vulnerability management, assurance testing, detection engineering, incident response, and secure SDLC guidance. The role partners closely with product, engineering, and SRE teams, designs security for AI features and agent identities, strengthens least privilege, and builds automation across cloud and production environments.

Lead Constructor's end-to-end security program: manage compliance (SOC 2, ISO 27001), incident response, risk and access governance, vendor security, DLP, AI governance, security exercises, and customer-facing security communications while partnering with platform engineering on cloud and container security.

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.