
Ayoub Ghalmi
System & Network Administrator
Salaire / Taux journalier
Zaventem, Belgique
Freelance
Expertises
Langues
À propos
Introduction
System & Network Administrator with 6+ years of enterprise IT experience, currently at DHL. Specialized in Active Directory/Azure AD IAM, Cisco network infrastructure, and VoIP solutions. Proven expertise in security policy enforcement, network troubleshooting across multi-vendor environments, and delivering L2/L3 support with minimal downtime. I help businesses maintain secure, compliant IT infrastructures while optimizing network performance.
Expérience de travail
SYSTEM ADMINISTRATOR
DHL
janv. 2023 - janv. 2025
2 ans 1 mois
– Delivered second-line support through phone, email, and ServiceNow/JIRA ticketing systems. – Performed Identity & Access Management tasks in Active Directory, including user creation, modification, deactivation, and access reviews. – Enforced security policies through role-based access control and regular compliance checks. – Monitored and audited user access rights to ensure alignment with internal security standards. – Troubleshoot network issues across Cisco and Huawei environments. – Configured and diagnosed network devices using CLI tools (SSH / PuTTY). – Supported physical deployment and installation of network hardware at new locations. – Maintained and updated technical documentation, procedures, and configuration records. – Applied IAM security policies and supported internal security governance processes.
NETWORK SUPPORT ENGINEER (L2/L3) & VOIP SUPPORT
janv. 2019 - janv. 2023
4 ans 1 mois
– Acted as first and second-line contact for enterprise IT and network support via CRM-based ticketing systems. – Diagnosed and resolved internet, network, and connectivity issues using provider portals and CLI tools. – Configured and maintained Cisco routers and switches, including VLAN segmentation and ACL configuration. – Implemented network security restrictions and firewall rules in line with customer and provider policies. – Executed provider migrations for internet and VoIP services with minimal service disruption. – Provided VoIP support, configuration, and troubleshooting for business environments. – Managed Active Directory user provisioning, permissions, and periodic access reviews. – Administered Broadcom (Symantec) Email Security, including policy enforcement and permission management. – Deployed and supported mobile solutions (single SIM, dual-number, business/private separation). – Created and maintained technical documentation for customer environments and internal teams.
Licences et certifications
ITIL v3
Délivré le : –
Cisco Certified Network Associate (CCNA)
Délivré le : –