Head of Infrastructure & Production (H/F)

Location: Paris, Paris, France

Department: Managed Services

Horizon Trading Solutions ?

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  • A Fintech specialized in designing a platform that facilitates various trading activities on electronic financial markets (automation of certain activities such as Market Making, Algo Trading...), optimal order management and execution (Agency Trading, Order and Execution Management System...),
  •  A state-of-the-art software deployed on-site or as Managed Services, An ambitious product roadmap: Machine Learning, AI, Crypto Currencies, Low Latency...
  • A human-sized company (150 employees) where you can make a difference,
  • An international company present in 6 countries to serve clients across 26 countries,
  • A committed company: B-Corp certified, partner of Planet Tech’care, Ethical AI, and Lakaa, endowment fund,
  • A company recognized in its field: Best Sell Side OMS 2025, Best Multi-Asset Trading System 2025, Best trading solution for listed securities 2022 and 2023...

We are looking for a Head of Infrastructure & Production in charge of :

Operational and Cross-functional Management

• Functionally lead the MS Build & Run teams.
• Collaborate closely with the Engineering, IT, CDM, and Security (CISO) teams.
• Oversee the Change Advisory Board (CAB) and validate production deployments.

Global Infrastructure Management

• Supervise the daily operations of central infrastructures (PSRV, Proxmox/Ceph, network, etc.) and client infrastructures (hosted dedicated/mutualized).
• Ensure high availability, resilience, scalability, and security of the platforms.
• Manage critical incidents and guarantee compliance with Service Level Agreements (SLAs).

Industrialization & Continuous Improvement

• Define and implement standards for deployment, monitoring, backup, updates, etc.
• Participate in the evolution towards a containerized and orchestrated architecture (Kubernetes, Terraform, IaC).
• Develop DevOps/MSOps practices in coordination with architects.

Security and Compliance Governance

• Work with the CISO to define and apply security best practices: patch management, PAM, access rights management.
• Ensure the auditability of technical environments and production best practices.

Soft Skills

• Management and leadership, rigor, initiative, and decision-making ability.
• Comfort in agile, multicultural, and distributed environments.
• Good written and oral communication skills, including in English.

Technical Skills

• Proficiency in Linux environments, virtualization (Proxmox, KVM), storage (Ceph), monitoring (Datadog, Prometheus), deployment (Ansible, Terraform).
• Proven experience in implementing critical, resilient, and scalable platforms.
• Knowledge of distributed architectures, performance issues (latency, bandwidth), and IT security.

Experience

• Minimum of 7 to 10 years in infrastructure and IT production management in a demanding context (fintech, SaaS, trading, cloud providers, etc.).
• Experience in cross-functional or hierarchical management of technical teams.