About Marko
English
Fluent
French
Native or bilingual
Serbian
Native or bilingual
Russian
Basic
Experience
- Société GénéraleWorkspace ExpertBANKING AND INSURANCEJuly 2024 - Today (1 year and 11 months)Fontenay-sous-Bois, France• • Technical expert and GPO referent in a global environment (130,000+ workstations, hybrid On-Premise & Cloud infrastructure): creation, modification, rationalization, and management of group policies.• • Study and implementation of technical solutions in cybersecurity: workstation hardening, browsing security, carve-out.• • Development of PowerShell scripts for automating recurring tasks, reducing human error, and increasing efficiency.• • Technical expert and GPO referent: creation, modification, management, rationalization, and evolution of policies.
- BNP FactorWindows and VMware Infrastructure EngineerJune 2021 - July 2024 (3 years and 1 month)93100 Montreuil, France• • Administration AD, Exchange, NTFS permissions management, vCenter, Citrix Servers• • Creation, management, and application of new GPOs as part of hardening rules on Windows to address vulnerabilities• • Vulnerability control via Tenable• • VMware Master updates• • Patching procedure updates• • Implementation of new reporting in accordance with security recommendations• • Maintenance in operational condition of infrastructure elements and related technologies• • Server management and evolutions requested as part of the obsolescence management of hardware and software components• • Industrialization of procedures and tasks in the domain to reduce operational workload• • Technical referent and N3 Incident Management• • OFFLINE Operations, Patch Party, infrastructure shutdown/restart, Business Continuity Plan exercise• • Processing of monitoring alerts via Nagios, updating monthly dashboards• • Security technical referent for McAfee EPO Orchestrator, Maintenance in operational condition, EPO Orchestrator version upgrades, access control implementation, scans• • Technical referent for Symantec Privileged Access Manager (CA PAM), Maintenance in operational condition, PAM version upgrades, access management, account creation, and access setup for new servers• • Management/Creation of virtual servers via vSphere client 6.7• • Citrix server management via Citrix Director and access creation
- AcensiActive Directory EngineerJanuary 2020 - June 2021 (1 year and 5 months)Paris, France• • Administration of Active Directory Infrastructures and Monitoring: health status of DCs, replications, DNS• • Analysis and implementation of strategies: GPO, delegations and permissions, remediation actions following audits• • Diagnosis and remediation in case of incidents or security alerts• • N3 Support• • Continuous improvement, technical and functional evolution• • Installation and configuration of Domain Controllers• • Support for support teams and Project teams• • Administration of Microsoft Identity Manager, ADFS, and AzureADConnect Identity Infrastructures:o Management of delegations and permissions on AD, Azure, ADFS• • Modification of MIM connectors• • Continuous improvement, technical and functional evolution• • Follow-up of actions delegated to the IAM Service Center (responsible for MIM and ADFS connections)• • Support for other support teams and Project teams within the scope of Active Directory projects
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