Freelancer profile translated to English.
Back to original languageAbout Karim
Passionate and results-oriented Network Engineer, I ensure the performance and security of IT infrastructures. Solid experience in administration, optimization, and monitoring of LAN/WAN networks, as well as cybersecurity solutions. Accustomed to demanding environments, I combine technical rigor and a service-oriented approach to guarantee the continuity and quality of operations. Always technologically aware, I am committed to anticipating and supporting the evolution of network architectures.
French
Native or bilingual
English
Conversational
Arabic
Native or bilingual
Can work on-site
Rennes (up to 50km)
Experience
- WEMOOV (HOP ! AIR-France)Network EngineerAVIATION AND AEROSPACEJuly 2022 - November 2025 (3 years and 4 months)Nantes, France• Network: OSI model, TCP/IP, IPv6, MPLS, OSPFv2/v3, RIP/ng, BGP, SNMP, VRRP, STP, VLAN.• Network: LAN / WAN / MAN / MPLS• Switches: HP Aruba, Cisco, Huawei (Routing, VLAN, Inter-VLAN Routing, Spanning Tree, EtherChannel, Stack, Virtual Stack).• SDWAN / SASE.• Cisco SAN Switches / Broadcom (Configuration, Management).• VPN/Proxy/Reverse Proxy: Pulse VPN / F5 / GlobalProtect.• Wifi Controller: Cisco / ARUBA.• Security: SSL, IPSec, Kerberos, Cryptography,• Vulnerability Management: Tenable.sc, Teable.io• Monitoring: Zabbix, Nagios.• Firewalls: Watchguard, PaloAlto Fortigate.• Web Filtering: WAF, Reverse Proxy (NGINX).• Rule creation and analysis.• VPN creation and management.• Analysis of rule and VPN issues.• Log Management: Syslog, Solarwinds.• WIFI RADIUS Management (HP ARUBA).• NPS RADIUS Management.• Writing technical procedures.• Handling network and telecom incidents (diagnostic, qualification, and resolution of user incidents).• Analysis of routing problems (asymmetric, ARP issues, etc.).
- RAOUI SYSTEMS (RENNES 35000)Systems and Network AdministratorFebruary 2018 - June 2022 (4 years and 4 months)• Administration of client IT networks: IT assets, servers, firewalls, backup storage, antivirus, email, and PABX.• VPN/Proxy/Reverse Proxy: Pulse VPN / F5 / Forcepoint/ HA PROXY.• Switches: Cisco / HP / Aruba / Extreme Network/ Avaya / Alcatel / Meraki.• Firewall Implementation: Stormshield / PALO ALTO / Forcepoint/ FORTINET / Checkpoint/ CISCO.• Problem diagnosis and resolution.• FTP, WEB server implementation.• Email system implementation (MS Exchange).• Veeam backup solution.
- LINA SYSTEMS,Systems and Network AdministratorJanuary 2018 - December 2018 (11 months)Casablanca, Morocco• Information system architecture and technical environment.• IT network architecture, network hardware and software (LAN, WAN, MAN, VPN), TCP/IP architectures, VLAN segmentation, OSPF routing, ACLs, Ethernet standards, NAT / NAC.• VMware-Vsphere virtualization technical architecture.• Virtualization administration with Vcenter (HA, DRS, Vmotion).• Problem diagnosis and resolution.• Firewalls: Stormshield /Watchguard / FORTINET / Checkpoint / CISCO.• VPN/Proxy/Reverse Proxy: Ngnix / Pulse VPN / GlobalProtect.• Switches: Cisco / HP / Aruba.
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Education
- Specialized Technician in Computer Networks.ISTA Roches Noires2013Technicien spécialisé en réseaux informatiques.
- Engineer in Computer Systems and Networks.ESTEM (Moroccan Higher School for Engineering Training)2016Ingénieur systèmes informatiques et réseaux.