Expert Mcs System & Network H/F Seqens

Contexte du poste :

Expert MCS is responsible to manage MCS (Maintain in Condition of Security) activities (incl. Lifecycle) and contributes to MCO (Maintain in Condition of Operation).

He works on delivery completion (Projects/Changes) with Infrastructure Architects and ensures prerequisite treatment to transfer to Run.

Vos principales missions :

Organize and manage of Maintaining in Security Conditions of Infrastructure (System & Network)

- Secure Administration & Operations with the assistance of Center of services:
- Administer servers and network equipment (Windows, Linux, VLANs, DNS, DHCP, etc.).
- Implement security best practices (hardening, GPOs, access control).
- Manage security devices such as firewalls, Anti-phishing, VPNs, antivirus, and web filtering systems.

- Manage & Monitor BKP & Restore process execution (done by CoS) and resolve backup issues with the support of Infrastructure Administrator
- Plan, execute, and monitor system, data, and configuration backups.
- Perform regular restoration tests to ensure effective disaster recovery (DRP/BCP).
- Document and automate backup/restore procedures.

- In collaboration with cyberteam and on the scope of infrastructure:
- Follow up on security alerts and contribute to incident response.
- Apply security patches and manage vulnerabilities proactively.

Contribute to Maintaining in Operational Conditions of Infrastructure (System & Network)

- In collaboration with Infrastructure Administrator, resolve issues escalated by L2 to L3
- Document solution in order to increase L2 autonomy
- Manage Accesses for administration tasks

Change/Projects

- Contribute to ISB projects with following responsibilities
- to include solution in Lifecycle Process and ensure prerequisite implementation
- to update BKP plan based on commissioning / decommissioning
- to ensure the proper deployment of all cybersecurity tools and configuration

- Lead projects & changes concerning Cyber Solutions & Processes

Documentation

- Contribute to INFRA Assets inventory to ensure lifecycle follow-up
- Ensure that all Infrastructure solutions are properly documented toward Lifecycle and Back-ups