Systems and Network Engineer - contract-to-hire

Comgent | Contract

Rueil-Malmaison, France | Posted on 12/05/2026

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• Standard Business working Hours yes
• Industry Pharma
• Job Type Contract
• Date Opened 12/05/2026
• Work Experience 5-7 years
• City Rueil-Malmaison
• Province Île-de-France
• Country France
• Postal Code 92500

Please note this is a contract-to-hire opportunity. Department: IT Infrastructure / Core IT Infrastructure Services Line Manager: Head of Core Infrastructure Services Languages: Fluent French and professional English a must have

Please note this is a contract-to-hire opportunity.

The Systems and Network Engineer is responsible for the design, integration, administration, and ongoing development of the Group’s systems and network infrastructure.

They ensure the availability, performance, security, and compliance of IT environments, both on-premise and hybrid, within a regulated industrial context, including GMP / GxP requirements. This is carried out in line with the Group’s technical standards, cybersecurity requirements, and quality policies.

They also contribute to the continuous improvement of the resilience of the information system and to the modernization of infrastructure.

MAIN RESPONSIBILITIES

Systems and Network Engineering and Administration

• Design, deploy, and maintain network infrastructure, including LAN, WAN, Wi-Fi, and inter-site connectivity.

• Administer and develop Windows Server and Linux systems.

• Manage infrastructure services such as Active Directory, DNS, DHCP, NTP, and backups.

• Administer virtualization environments such as VMware, Hyper-V, or equivalent solutions.

• Define and maintain high-availability, service continuity, disaster recovery, and business continuity architectures.

Security and Compliance

• Implement systems and network security policies, including firewalls, segmentation, VPNs, and hardening.

• Ensure regulatory compliance of infrastructure, including GMP / GxP, internal requirements, and quality audits.

• Participate in security audits, risk assessments, and remediation plans.

• Contribute to security incident management and to strengthening the organization’s cybersecurity posture.

Operations and Level 2 / 3 Support

• Ensure the ongoing operational reliability of systems and networks.

• Handle complex incidents, problems, and major changes.

• Monitor infrastructure performance, availability, and capacity.

• Provide expert-level support to support and operations teams.

• Work closely with application, security, quality, and business teams.

Projects and Continuous Improvement

• Participate in infrastructure migration, upgrade, and modernization projects.

• Contribute to IT and industrial transformation projects.

• Propose improvements in performance, resilience, security, and automation.

• Keep up to date with technological developments in systems, networks, and infrastructure solutions.

Documentation and Governance

• Prepare and maintain technical documentation, procedures, and operating standards.

• Contribute to the standardization and governance of systems and network infrastructure.

• Participate in internal audits and compliance controls.

Technical Skills

• Networks: TCP/IP, VLANs, routing, VPNs, QoS, firewalls.

• Systems: Windows Server, Linux.

• Virtualization: VMware, Hyper-V, or equivalent.

• Infrastructure services: Active Directory, DNS, DHCP, backups.

• Security: network segmentation, system hardening, access control.

• Monitoring and operations: monitoring tools, incident management, and change management.

• Knowledge of regulated environments, such as GMP / GxP, would be an advantage.

Soft Skills

• Rigorous, reliable, and accountable.

• Strong analytical skills and ability to solve complex problems.

• Service-minded with a strong focus on quality.

• Team-oriented, with clear communication skills.

• Able to document, formalize, and share knowledge.

• Able to work independently while managing priorities effectively.

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