IT & Security Administrator — Secure & Streamline IT Ops

MARSS Group; Nice; On-site; EUR 40,000 - 60,000; Full time

Job summary

MARSS Group is seeking an IT & Security Administrator to maintain our core IT infrastructure and oversee security operations from our Nice office. You will support end users, respond to incidents, and help deploy new technologies while aligning with security best practices.

Your role includes monitoring system health, applying patches, and collaborating with cross-functional teams to safeguard digital assets and data.

Qualifications

• 2-3 years of experience in IT administration, system administration, or a dedicated IT security role.
• Strong understanding of networking concepts (TCP/IP, DNS, DHCP, VLANs, VPNs) and firewall management.
• Proficiency in administering Windows/Linux environments and cloud platforms (e.g., Microsoft 365, Azure, or GCP).
• Hands-on experience with EDR/antivirus tools, identity management (Active Directory/Okta), and backup solutions.

Responsibilities

• Monitor the health, performance, and security of all corporate IT infrastructure, including networks, servers, cloud environments, and endpoints.
• Manage and configure IT and security tools (firewalls, EDR, IAM, backups, and MDM solutions).
• Ensure systems are updated, patched, and hardened against threats; assist in audits and compliance.
• Participate in deployment of new IT and security products and infrastructure upgrades; automate tasks where possible.

Skills

Problem solving

Communication

Adaptability

Analytical thinking

Tools

EDR tools

Firewall management

Identity management (AD/Okta)

Backup solutions

Job description

MARSS Group is seeking an IT & Security Administrator to maintain our core IT infrastructure and oversee security operations from our Nice office. You will support end users, respond to incidents, and help deploy new technologies while aligning with security best practices.

Your role includes monitoring system health, applying patches, and collaborating with cross-functional teams to safeguard digital assets and data.