meher khamessi

• Hold full architectural authority over the Ministrys hybrid infrastructure, on-premises servers,
Azure cloud, and VMware virtualisation platforms.
• Lead server modernisation programme: lifecycle assessment, upgrade planning, and deployment
oversight aligned with security and compliance standards.
• Govern Active Directory and hybrid identity (Entra ID) — domain design, OU structure, Group
Policy, Conditional Access, and SSO.
• Define endpoint management standards across Intune, SCCM, and MDT — device provisioning,
policy enforcement, and software deployment at scale.
• Architect DFS and file server infrastructure; review capacity, redundancy, and security before
deployment.
• Review and validate infrastructure designs ensuring alignment with governance, security, and
regulatory requirements.
• Oversee Microsoft 365 governance — Exchange Online, SharePoint, and Teams configuration and
compliance.
• Coordinate vendors and stakeholders on procurement, solution evaluation, and delivery;
contribute to RFP and proposal review.

• Senior escalation point for enterprise customers on web, API, and platform observability issues
across Synthetics, Logs, and Metrics.
• Supported AWS, Kubernetes, Windows Server, and Linux deployments including Terraform
provisioned infrastructure.
• Diagnosed networking, SSL, load balancer, and authentication failures across complex hybrid
environments.
• Collaborated with Engineering and Product teams on bug validation, escalations, and feature
requests.

• Designed and delivered hybrid identity solutions: Active Directory, AD Connector, AWS Managed
AD, SAML, and IAM policies.
• Delivered Windows infrastructure on AWS — WorkSpaces, AppStream, FSx file servers, and
Directory Services.
• Resolved complex networking issues across VPC, ALB/NLB, Transit Gateways, NACL, Route 53,
VPN, and SSL/TLS.
• Automated operations using SSM and PowerShell; monitored environments with CloudWatch and
CloudTrail.
• Mentored new engineers and contributed to team knowledge documentation.

• Support and help customers with their cloud migration to AWS.
• Help customers automating backend processes using System Manager SSM achieving an increase in deployment
and serves patching efficiency.
• Collaborate with cross-functional teams to help customers redesign the cloud infrastructure using AWS
CloudFormation, which improved system resilience
• Mentored a new Cloud Support Engineer joiner of our team, providing ongoing help on support cases and the
latest cloud technologies related to Windows, Enterprise as Applications and Networking.
• Authored internal documentation on cloud troubleshooting techniques.
• Directory Services troubleshooting: Simple AD, Aws Managed AD, AD connect.
• Troubleshooting cloud applications issues (Appstream and Workspaces) such user authentication (SAML, user pool),
latency, streaming sessions issues, image creations...
• Troubleshoot EC2 instances issues: Access, connectivity, instance metadata, rescue..., snapshots, AMIs, auto scaling...
• Monitoring, alarms and log analysis tools (AWS CloudWatch, AWS CloudTrail
• Networking technologies (AWS VPC, ALB/NLB, Transit Gateways, Internet Gateway, NACL, VPC peering, Route 53
• Troubleshooting Fsx Windows file servers (creation, latency, access, restoring.)
• EC2 Image builder troubleshooting: Pipelines and template

Support for end-user devices such as desktops, laptops, and mobile devices and applications
• Active Directory Users & Computers Management
• Group Policy Management• Windows 10 deployment and support.
• MS 365 Administration (emails, teams, identity)
• Windows Server 2012 Administration: GPO, Security groups, file server, DHCP, DNS ...
• Working with Virtual environments: VMWare ESXi, vSphere, VCenter
• Network troubleshooting skills, including knowledge of LAN/WAN, VPN
• Installing and configuring computer hardware, software, systems, networks, printers, and scanners
• Installation, re-installation, maintenance, and troubleshooting of all hardware including servers, end-user
devices, phone systems, etc. and software, such as operating systems, Microsoft Office
• Improvement and development of Corporate IT policies and procedures.
• Working with ITIL practice
• Records of company hardware assets

• Administered Microsoft 365, Active Directory, Windows Server, GPO, file shares, endpoint
lifecycle, and PowerShell automation.
• Privided IT Support for the end users.

• Supported dedicated servers and PaaS/IaaS cloud infrastructure on Linux and Windows Server;
managed VMware and OpenStack environments.

• Identify, report and resolve all issues from clients using Linux servers (Debian, Ubuntu, Centos)
• Run incident management process in order to restore normal service operation as quickly as possible, minimizing the impact on the client
• Perform initial investigations troubleshooting technical issues and identify solutions for dedicated servers hosted by the company
• Supporting and troubleshooting technical issues for Cloud servers based on PaaS, IaaS and SaaS technologies (VPS, Instance and PCC)

• Maintain ownership of incidents ensuring they are handled within agreed SLAs
• Diagnose hardware and software errors on Linux Servers: Raid alarm, Disk usage, Vrack configuration, and CPU, RAM and network utilization
• Supporting and managing VM based on VMware, Open stack and OpenVZ: snapshot, backup...

creation and management of AD accounts (Win Server 2008) for professional users of Veolia Group
management of security groups
management of shared directories access
Creation of generic e-mail groups
management of email accounts via the collaborative platform Google Apps
management of migration e-mail account
Deploy software and various applications via LANDesk Management 9.6
Troubleshouting complex incidents ( hard, soft, network ..)
Monitoring WAN with Centreon

• Led service desk team; L2 escalation for AD, Windows, networking, and VPN issues.
• Managed incidents via ServiceNow, deployed software via LANDesk, monitored WAN with
Centreon. Onboarded and coached new engineers.

• Provide Help Desk services for professional users (Veolia Group)
• Diagnose the problem
• Resolve the problem using the tools available (knowledge base, grip remote support ...)
• Escalate if necessary unresolved incidents remaining attentive to the time commitments of interventions, and to inform the user
• Intervene in environments such as Windows XP, Outlook, Lotus Notes, Active Directory, Black berry, Office Suite, business applications ...
• Blackberry Enterprise activation with BES for exchange and Google
• Install printers and plotters
• Resolve computer hardware and software issues/failure
• Create knowledge base articles
• Diagnose network issues

Troubleshooting and resolve issues related to high-speed network connectivity : DSL, optical fiber, VPN, Collect IP and ATM, ADSL Trust
Router configuration : One Access 50, Cisco 1841, Cisco RV 082, Netopia, Linksys WRT54g GL, Thomson 582 ( SDSL, VPN, Port opening...)
Follow up high-speed incident with operators
Monitoring using NAGIOS

• WAN monitoring with Nagios; DSL, fibre, and VPN troubleshooting; Cisco router configuration.

• Diagnosed and resolved LAN/WAN/Wireless connectivity issues; configured routers for business
and residential customers.

Diagnose and resolve general and specific problems related to web hosting.
Manage the DNS zone: NS, MX, CNAME, A...
Managing Domain names.
Diagnose and resolve issues related to messaging
Configuring different email clients: outlook 2010, outlook express, Thunderbird...
Troubleshooting issues displays websites
Install, Configure, Update, Support, and Troubleshoot services for customers such as:

+ Linux (Ubuntu, Centos, Debian)
+ Web Servers
+ Database Servers (MySQL)
+ Applications Servers
+ Mail
+ Load Balancing
+ FTP
+ SSH
+ DNS

Detecting and repairing Internet connection issues for customers.
Troubleshoot different network issues LAN, WAN, and Wireless
Router configuration Sagem, Pirelli, Thomson: ADSL part, open ports...
Escalating technical issues requiring more analysis and testing.