Youssef Sawaya

On-Prem Network Infrastructure: Managed complex LAN/WAN environments with high availability and security requirements. Configured and optimized enterprise-grade routers, switches, and firewalls. Implemented proactive network monitoring and advanced security measures (IDS/IPS, NAC). Metropolitan Network Infrastructure: Optimized MPLS and SD-WAN for large-scale metropolitan networks. Oversaw fiber optic and leased line connectivity with consistent QoS delivery. Collaborated closely with ISPs to ensure scalable, resilient, and cost-effective solutions. Network Architecture: Designed scalable and standardized network topologies for enterprise and cloud hybrid environments. Led initiatives to unify and modernize infrastructure, integrating on-prem with cloud networks. Delivered future-proof architectures supporting growth, compliance, and security standards.

AWS Cloud Network Infrastructure: Designed and managed secure AWS VPCs, Security Groups, NACLs, and VPNs. Implemented AWS Transit Gateway and Direct Connect to optimize performance and cost efficiency. Automated cloud networking deployments with Terraform to enhance scalability and reduce errors. Zscaler Zero Trust Infrastructure: Implemented enterprise-grade Zero Trust Network Access (ZTNA) with Zscaler. Managed Secure Web Gateway (SWG) operations and SIEM integrations. Optimized global security posture with ZPA and ZIA deployment strategies.

• • Team management of system administration areas

• • Professional and disciplinary management of employees

• • Representing the interests of teams within the organization

• • Implementation of existing IT projects (hardware and software) internally and externally

• • Competent contact person for management

• • Planning, introducing and monitoring procedures and processes for continuous improvement in the areas of system administration

• • Creation of requirements/requirements specifications

• • Preparation and compilation of key figures and planning bases for management

• • Planning and configuration of the Linux servers (hardware and software side)

• • Planning the structure of the IT landscape in coordination with IT management and management

• • Knowledge transfer and internal further training as well as planning of external further training for employees in the area of responsibility

• • Carrying out annual employee reviews

• • Planning, installation, configuration and operation of Windows servers (hardware and software)

• • Planning, installation, configuration and operation of Hyper-V virtualization

• • Planning, installation, configuration and operation of server services such as Exchange, terminal server, SQL database server, file server

• • Planning, installation, configuration and operation of network components such as switches, routers and firewalls

• • Planning, installation, configuration and operation of telephony using stationary telephone systems and VoIP systems

• • Data protection/backup management

• • Receiving and providing administrative and technical information to other departments

• • Disaster recovery planning

• • Documentation of system changes in accordance with operational requirements (data protection manual and quality assurance processes)

• • Planning and introduction of CIP processes in IT (ITIL or similar) to organize the business more efficiently

Keeping the IT infrastructure state-of-the-art and implementing new systems in consultation with specialist departments.

• • Preparation and compilation of key figures and planning bases for the management

• • Planning and configuration of the Linux servers (hardware and software)

• • Planning the structure of the IT landscape in coordination with the IT management

• • Knowledge transfer and internal training of other IT administrators

• • Independent identification of impending problems in the IT landscape and planning of remedy

• • Planning, installation, configuration and operation of the Windows server (hardware and software)

• • Planning, installation, configuration and operation of Hyper-V virtualization

• • Planning, installation, configuration and operation of server services such as Exchange, terminal server, SQL database server, file server

• • Planning, installation, configuration and operation of network components such as switches, routers and firewalls

• • Planning, installation, configuration and operation of telephony using stationary telephone systems and VoIP systems

• • Data security/backup management

• • Receipt and provision of administrative and technical information to other departments

• • Disaster recovery planning

• • Documentation of system changes according to operational requirements

• • Planning and introduction of CIP processes in IT (ITIL or similar) for more efficient organization of the business