IT Systems & Infrastructure Engineer (M/F) - Freelance

CONTEXTE

You will join a team of 5 people dedicated to the architecture and deployment of IT infrastructures for major corporate clients.

Your mission takes place in two stages:

• Internal preparation (Osny): setting up the client's target infrastructure on-site: network, servers, storage, Active Directory in consistency with the IT architecture defined upstream.
• On-site deployment (International): traveling to the client's data center to finalize interconnections, test backup/restore procedures, and support integration teams during missions of 2 to 3 weeks.

You will also participate in implementing infrastructure security (firewall filtering, WAF rules, VPN configuration) as well as maintaining the internal infrastructure dedicated to project integration (inventory tracking, supervision, resource provisioning).

MISSIONS

• Complete and provide the DAT (Dossier d'Architecture Technique) of the solution to be deployed
• Install and configure network, storage, and virtualization components during pre-installations in a test environment, before deployment at the client site
• Provide active support for the management of integration environments: fleet management, rentals, inventory, resource provisioning (VM, VPN configuration, and pfSense/OPNsense routing)
• Participate in racking, cabling, and network/storage configuration of new host servers
• Implement and configure network security elements: firewalls, WAF rules, VPN, port tagging for VLAN

ENVIRONNEMENT DE TRAVAIL

• Long-term mission 1 year renewable +
• Location: Osny (95) - 4 days on-site presence
• Travel abroad (2 weeks abroad > 3 to 4 times per year)
• Good autonomy and ability to work in a client environment, often under deadline constraints

1. Minimum 4 years of experience

1. Technical skills: Network (Firewall, VLAN, Switch) - confirmed level indispensable

1. Linux Systems (RedHat / Oracle Linux) - confirmed level indispensable

1. SAN / Fibre Channel Storage - confirmed level - desirable

1. IT / Network Architecture - junior level - desirable

1. Appreciated complementary skills: Network configuration and IP addressing, VPN rules, Port Tagging for VLAN, Implementation of firewall rules

1. Professional English - imperative