IT System Administrator

Context

Reporting to the IT Manager, you will administer and secure OceanWings' Microsoft 365, systems and

multi-site network environment across offices, industrial facilities and connected vessels. This hands-on

role combines infrastructure ownership, level 2/3 support and routine IT operations.

Main Missions

• Administer Microsoft 365, Entra ID, users, groups, licences, MFA and Conditional Access.
• Manage Exchange Online, SharePoint Online, OneDrive, Teams and Teams Rooms.
• Administer Intune, Windows 10/11 endpoints, compliance policies and application deployment.
• Operate LAN/WAN networks, switches, routers, VLANs, trunks, STP and LACP across multiple sites.
• Administer firewalls, VPNs, professional Wi-Fi and core DNS, DHCP and NTP services.
• Monitor infrastructure, investigate anomalies and resolve complex level 2/3 incidents using Wireshark or equivalent tools.
• Develop PowerShell scripts to automate administration, network configuration, backup and restoration tasks.
• Provide user support, manage tickets and troubleshoot hardware, software, Outlook and network issues.
• Prepare onboarding and offboarding equipment, maintain IT assets, stock and equipment orders.
• Document network diagrams, configurations, procedures and recurring administration tasks.
• Contribute to cybersecurity, redundancy, high availability and business continuity for shore-based and onboard environments.
• In the IT Manager's absence, ensure operational continuity and carry out the full range of missions assigned to the IT service.

Profile & Required Skills

You hold a minimum Bachelor's degree (Licence/Bac+3) in IT, systems and networks or a related field. You have a minimum of five years of relevant professional experience, with strong practical experience in Microsoft 365, systems and enterprise networking. The following three capabilities are essential:

• Hands-on administration of Microsoft 365, Entra ID, Exchange Online and endpoint environments.
• Practical enterprise networking experience, including firewalls, VPNs and production troubleshooting.
• Autonomous diagnosis and resolution of complex systems, software, hardware and network incidents.

Ways of Working

• Act in line with our Operating Principles: Be Humble; Keep It Simple; Honor Every Commitment; Succeed Together; Move Fast & Adapt.
• Demonstrate a strong service mindset and the ability to set clear priorities.
• Organize your workload and working time autonomously while delivering reliably on commitments.
• Make day-to-day decisions within the delegated scope and escalated decisions that may affect the wider company.
• Respect reporting lines, seek alignment and work collaboratively rather than operating in isolation.
• Embrace the start-up environment by handling both confirmed-level responsibilities and junior or routine IT tasks.

Desired Skills & Certifications

Experience with OSPF/BGP, Azure or AWS networking, high availability, Exchange Hybrid, Microsoft Defender, Purview, Microsoft 365 migrations or IT projects is appreciated. Relevant certifications include Cisco CCNA/CCNP, Fortinet NSE/FCA/FCP, Aruba Certified Professional, Juniper JNCIA/JNCIS, Microsoft AZ-700, AZ-800/AZ-801, UniFi and Microsoft Administrator Associate or above. Certifications are desired but not mandatory. Professional English and French are required.

Working at OceanWings means...

• Building IT solutions that support the decarbonization of the maritime industry.
• Working with a committed start-up team on worldwide and onboard infrastructure challenges.

Conditions

• Permanent contract (CDI) - Cadre status.
• Position based in Paris, with travel to other sites in France up to once per week and no international travel planned.
• Remote working arrangements to be determined.
• Availability: as soon as possible.