SOC (Security Operations Center), Team Lead

Mistral AI•Paris, TX

54d•Hybrid

About The Position

At Mistral AI, we believe in the power of AI to simplify tasks, save time, and enhance learning and creativity. Our technology is designed to integrate seamlessly into daily working life. We democratize AI through high-performance, optimized, open-source and cutting-edge models, products and solutions. Our comprehensive AI platform is designed to meet enterprise needs, whether on-premises or in cloud environments. Our offerings include le Chat, the AI assistant for life and work. We are a dynamic, collaborative team passionate about AI and its potential to transform society. Our diverse workforce thrives in competitive environments and is committed to driving innovation. Our teams are distributed between France, USA, UK, Germany and Singapore. We are creative, low-ego and team-spirited. Join us to be part of a pioneering company shaping the future of AI. Together, we can make a meaningful impact. See more about our culture on https://mistral.ai/careers. Role summary We are looking for a SOC (Security Operations Center) Team Lead to build and lead our SOC function end-to-end. You will own vulnerability management, alerting and detection engineering, incident response, and the security tooling/infrastructure that enable these missions. You'll define processes, collaborate closely with Product, Infra and IT, and continuously improve detection quality and response time. Key missions & objectives: Establish a best-in-class SOC; reduce MTTA/MTTR; drive vulnerability remediation; raise detection coverage and precision; ensure robust incident handling and communication. Reporting line: Reports to the Head of Security. Location: Paris (on-site hybrid).

Requirements

5+ years of experience leading SOC/CSIRT functions, with proven incident leadership.
Hands-on with SIEM (e.g., Elastic Security, Sekoia, Splunk) and SOAR platforms.
Strong experience in vulnerability management (e.g., DefectDojo, Dependency-Track) and remediation workflows.
Solid grasp of the cyber kill chain / attack lifecycle, detection engineering, and log source coverage.
Excellent problem-solving and communication skills; able to operate in a fast-paced startup environment.
Builder mindset: pragmatic, automation-oriented, comfortable with ambiguity and ownership.

Nice To Haves

Bring scripting/automation skills (e.g., Python, Bash) for data pipelines/playbooks.
Know modern infra/app stacks (Linux, containers, Kubernetes, cloud), EDR/IDS/IPS.
Have exposure to compliance frameworks (ISO 27001, SOC 2) and security audits/pen-tests.
Have run purple team exercises and measurable detection-coverage programs.
Are comfortable partnering with Product/Platform teams and influencing roadmaps.

Responsibilities

Lead & grow the team: Manage the SOC team, shape the roadmap, delegate effectively, and mentor engineers.
Define vulnerability management processes and coordinate stakeholders for timely remediation.
Design, implement, and operate SIEM/SOAR infrastructure (ingestion, normalization, correlation, alerting, playbooks).
Specify logging requirements across our main stacks and centralize telemetry in the SIEM.
Develop and tune correlation rules and detections; manage CTI intake and operationalize intel.
Run continuous improvement to reduce false positives and raise signal quality.
Establish crisp procedures for alert triage, escalation, and incident handling & investigation.
Lead incident communications with stakeholders and ensure thorough documentation.
Contribute to security tooling, automation, and integrations that speed up detection/response.
Produce guidance and documentation for product/infra teams; contribute to compliance in the SOC perimeter.
Coordinate red/blue exercises, post-mortems, and targeted audits to validate coverage and resilience.