Security Operations Center Expert

Lenstra; Paris; On-site; EUR 65,000 - 85,000; Full time

Job summary

An investment management firm is looking for an experienced Linux Infrastructure Engineer to manage their physical and virtual servers. This role involves overseeing a large infrastructure across multiple data centers, handling high-performance computing clusters, and ensuring effective communication across teams. Candidates should possess deep expertise in GNU/Linux systems, scripting skills, and knowledge of foundational infrastructure services. The position offers a hybrid work model based in Paris, providing flexibility for working from home alongside onsite days.

Qualifications

• Deep expertise with administration and tuning of Linux/RHEL systems.
• Ability to develop and maintain scripts and tools for automation.
• Solid understanding of server firmware and hardware monitoring.

Responsibilities

• Manage a large infrastructure of thousands of Linux servers across multiple data centers.
• Oversee high-performance computing clusters and core infrastructure services.
• Coordinate communication and projects across teams.

Skills

GNU/Linux systems expertise

Scripting (Bash, Python)

API refactoring

Understanding of physical servers

Foundational infrastructure services (DNS, DHCP, LDAP)

Infrastructure as Code / Automation (Puppet, Ansible, Terraform)

Tools

VMware vSphere

Dell EMC

Purestorage

Job description

About the role

We are currently helping an investment management client with the deployment of their physical and virtual Linux servers based on the needs of the business teams, automation of deployments and support of the Development teams for building tools.

Responsibilities

• Work across multiple data centers in Europe, Asia, and the Americas
• Manage an infrastructure composed of several thousand Linux servers
• Work on a large VMware vSphere infrastructure
• Is skilled in enterprise storage solutions (Dell, EMC, Purestorage, etc.)
• Manage several high-performance computing clusters (Slurm)
• Upgrade and migration of our core infrastructure services (DNS, DHCP, LDAP, etc.). The company will migrate from RHEL 7 to 9.
• Design and specification of our next-generation server platforms.
• Develop and expand storage services to meet growing performance and capacity needs.
• Extend and modernise the internal HPC infrastructure.
• Maintain effective communication with new and existing external vendors on technical infrastructure topics.
• Coordinate and communicate internally across teams to manage our projects, improvements or rollouts.
• Build and support the infrastructure required by research, trading, and enterprise teams.

Requirements

• Linux / RHEL : deep expertise with GNU/Linux systems (administration, performance tuning, advanced troubleshooting).
• Scripting & Tooling (Bash, Python 2 , Python 3) : ability to develop and maintain scripts and tools, for building open-source packages and automating recurring tasks.
• Handle API refactoring.
• Hardware & Servers : solid understanding of physical servers: firmware, hardware monitoring, test scripts, and automation of provisioning and lifecycle operations.
• Core Infrastructure Services : deep knowledge of foundational infrastructure services (DNS, DHCP, TFTP, PXE, LDAP).
• Infrastructure as Code / Automation: strong belief in automation and reproducibility with experience with tools such as Puppet, Ansible, Terraform. Ability to model infrastructure as code, industrialise it, and document it properly.

Location

This job is based in Paris, on a hybrid set-up (3 days onsite, 2 days at home).

Recruitment process

• 3 interviews: 1 introductory call with the recruiter, 1 technical interview, 1 behavioural interview with one of the partners