Oumarou B.-WAN & Data Center Network Administrator

Check rate
Experience
WAN & Data Center Network Administrator
Teamative Germany GmbH
- Implementation, administration, configuration and operation of Cisco network components (PE-CE routers, provider routers, SD-WAN, switches, access gateways)
- Ensuring the availability, performance, further development and operation of the network infrastructure of the state access network WAN
- Creation of technical documentation in FNT-Command
- Troubleshooting and handling of incidents, changes, requests and problems tickets
- Tools: ITSM, Command-FNT, Orion, ASDM, Panorama
- Scripting: Bash Shell, Python, Ansible
- Protocols: IS-IS, BGP, MPLS, VRF, GETVPN, Segment-Routing, Static routing
- Devices: NCS-57C3 Series, ASR-1000 Series, ISR-4331, ISR-4451 SD-WAN, Catalyst 9k Series, Nexus 9k Series
- Firewall: Check Point, Palo Alto, Cisco ASA-5585, FWSM
Network & Security Engineer
März Network Services GmbH
- Support of Cisco ASA Firewall and UTM, HSRP, VSS, Stackwise Virtual, VRF, BGP, OSPF
- Handling of incidents, service requests and changes
- Administration, enabling, cleanup and migration of firewall rules
- Software release management and hardware life-cycle management
- ISE policy configuration
- Configuration of routers and switches according to customer specifications
- Coordination of external service providers
- Support with network segmentation, NAC projects, site-to-site and client-to-site VPN
- Tools: ASDM, Prime, Jira, Confluence, ServiceNow, Linux, Python-Scripting
- Devices: Cisco Catalyst 9500, 9400, 9300, Nexus 9k Series, FC Switches
- Firewall: Cisco ASA5585, FPR 2140, FPR 3130, Sophos Proxy SG 310
Network Engineer Firewalling
Computer Center AG
- Worked as part of the firewall team (Security)
- Support of Cisco ASA and Fortigate Firewall
- Second- and third-level support
- Handling of changes, incidents and service requests
- Administration, enabling, cleanup and migration of firewall rules
- Configuration, upgrade and installation of firewalls
- Tools: ArcSight, OmniTracker, Spectrum, Cisco Security Manager, FortiManager, Tufin, Linux
- Devices: Nexus 2k, 5k, 7k, 9k, 1000V
- Firewall: ASA5585, 5545, 5525 Series, FortiGate 200G, 2600F Series, 3500F Series
Network Engineer
Hays AG Deutschland
- Migration of sites according to customer specifications
- Provisioning and configuration of network components (L2 & L3)
- Troubleshooting of Cisco routers and switches
- Life-cycle management
- Configuration and commissioning of firewalls, enabling of rules
- Creation of detailed documentation with Cisco Prime, ISE, Visio
- Third-level support
- Tools: ServiceNow, Panorama, NetFlow, Cisco Estimates, Linux
- Devices: 2960X, 3850X, C9200, C9300, C9500, C9600, Nexus 3k, 5k, ISR4431
- Firewall: Palo Alto PA-220, PA-820, PA-3430, PA-5450
- WLAN: WLC5520, AP2802I/E, C9120AXI/E
- Protocols: STP, HSRP, VRF, VSS, VPC, VDC, OSPF, EIGRP, MPLS
Network Engineer - Technical Lead / Freelancer
Global NTT Germany
- Provisioning and configuration of Cisco components (L2 & L3)
- Troubleshooting of Cisco routers and switches
- Software release and life-cycle management
- Handling of incidents, requests, changes and problems tickets
- Enabling of firewall rules
- Documentation in Command-FNT
- Tools: ITAS, Jira, Confluence, Cisco Prime, ISE, Service Center II, Cisco ACI, Command-FNT, MS Visio
- Second- and third-level support
- Devices: Cisco 6807-XL, 6880X, 6506, 4900, 4503, 3750 Stack, 3560, 2960X Stack, 3650, 3850X, C9200, C9300, C9500, C9600, Nexus 2k, 5k, 9k
- Firewall: ASA5545, 5525 Series
- WLAN: WLC5520, AP2702I/E, AP2802I/E, IW3702
- Protocols: STP, HSRP, VRF, VSS, VPC, VDC, OSPF, BGP, MPLS
Network Engineer Firewall
Computer Center AG
- Member of the Firewall team (Security)
- Handling of incidents and service requests
- Administration and cleanup of firewall rules
- Second- and third-level support
- Tools: ISE, ArcSight, OmniTracker
- Devices: Nexus 5k, 6k, 7k
- Firewall: ASA5585, 5545, 5525, 5515, 5505 Series
Network Engineer – On-Site Technical Lead / Freelancer
Dimension Data Germany
- Distribution/Core Migration, LAN Refresh, Device Life-Cycle-Management
- Migration of firewalls (Genua Box to Cisco ASA5545)
- Provisioning and configuration of Cisco switches (L2 & L3)
- Adjustment of switches according to customer specifications
- Troubleshooting of Cisco routers and switches, IOS upgrades, rollout, EOS/EOL upgrades
- Handling of tickets in day-to-day operations
- Activation of firewall rules
- Creation of detailed documentation in Command-FNT
- Tools: ACI, Cisco Prime, Service Center, Command-FNT, Jira, Confluence
- Second- and third-level support
- Devices: Cisco 6807-XL, 6880X, 6506, 4900, 4503, 3750 Stack, 3560, 2960X Stack, 3650 Stack, 3850, Nexus 2k, 5k, 7k, 9k
- Firewall: Genua Box, ASA5545, 5525 Series
- WLAN: WLC5508, WLC5520, AP1142, AP1242AG, AP2702I/E, IW3702
- Protocols: STP, VTP, HSRP, VRF, VSS, VPC, VDC, OSPF, EIGRP, BGP, MPLS
Onsite Support Engineer
SOLCOM Unternehmensberatung GmbH
- Data center migration
- Installation of hardware components
- Configuration of Cisco routers and switches according to customer specifications
- Troubleshooting of Cisco routers and switches
- Cabling (copper and fiber optic) and cable labeling, as well as cabinet modifications
- Creation of detailed documentation
- Devices: Cisco Catalyst 6509, 3560, 2960, Nexus 2k, 5k
- Firewall: ASA 5585-X Series
Network Specialist
SPIRIT21 AG
- Handling of tickets in day-to-day operations
- Performance of installations and configurations
- Administration of routers, switches, firewalls, VPNs, security solutions, WLC and AP
- Troubleshooting
- Devices: Cisco 76xx, 65xx, 37xx, 28xx; Cisco Switch 65xx, 45xx, 35xx, 29xx; Juniper EX6200-SRE64-4XS, EX4200, EX4300-48P; ProCurve LAN Switch 2620-24 PoE, 2510-48G
- Firewall: ASA 55xx Series, Check Point R75
Network Specialist & In-House Coaching
IPNetON GmbH
- Installation, configuration and management of network components, routers & switches
- Operation and administration of ASA 5505 security solutions and unified wireless environments (WLAN)
- Ensuring the operation of highly available LAN infrastructure
- Troubleshooting
Project Assignment
Kabel Deutschland Vertrieb und Service GmbH
- Know-how in Cisco routers and switches
- Testing, setup and configuration of devices
- Reading SNMP MIBs and comparing them with the running configuration and NMS display
- Experience with NMS (IBM Tivoli Network Manager for IP, SNMP v2c)
- Documentation of device components for modeling
- Documentation of product specifications, order and license information
- Network inventory, stocktaking, comparison with engineering, and completion of hardware documentation
IT Specialist
World Vision Niamey
- Preparation of financial plans
- Network monitoring, VSAT
- Support of computer systems (LAN)
- Configuration and installation of Cisco switches (3560, 2960)
- Administration of Linux-based clients and client software
- Monitoring and coordination of data flow
Security Investigator (Info Sec)
US-Botschaft Niamey Niger
- Management of a team of 6 employees
- Contact person for security issues
- Analysis, design and implementation of security procedures
- Professional training of new employees
- Security Advisor for the Regional Security Officer
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Information Technology, Government and Administration, and Telecommunication.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Information Technology, Operations, and Customer Service.
Languages
Education
MegaSystem–Fachhochschule Niamey
IT Specialist, Business Informatics · Niamey, Niger
Gymnasium (L.I.K)
Fachabitur, Mathematics & Physics · Niamey, Niger
Comprehensive School (CEG 6)
Niamey, Niger
Certifications & licenses
Statistics
Experience
Expertise
Qualifications
Profile
Frequently asked questions
Have questions? Find more information here.
Oumarou is based in Nuremberg, Germany.
Oumarou speaks the following languages: French (Native), German (Advanced), English (Advanced).
Oumarou has at least 25 years of experience. During this time, Oumarou has worked in at least 13 different roles and for 12 different companies. The average length of individual experience is 2 years and 11 months. Note that Oumarou may not have shared all experience and actually has more experience.
Based on recent experience, Oumarou would be well-suited for roles such as: WAN & Data Center Network Administrator, Network & Security Engineer, Network Engineer Firewalling.
Oumarou's most recent position is WAN & Data Center Network Administrator at Teamative Germany GmbH.
In recent years, Oumarou has worked for Teamative Germany GmbH, März Network Services GmbH, and Computer Center AG.
Oumarou is most experienced in industries like Information Technology, Government and Administration, and Telecommunication.
Oumarou is most experienced in business areas like Information Technology, Operations, and Customer Service.
Oumarou has recently worked in industries like Information Technology.
Oumarou has recently worked in business areas like Information Technology and Operations.
Oumarou attended MegaSystem–Fachhochschule Niamey for IT Specialist, Business Informatics.
Oumarou has 3 certificates. These include: CCNA Wireless, CCNP R&S, and Tufin (TCSE).
The availability of Oumarou needs to be confirmed.
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Calculated based on our freelancers’ daily rates as of 27 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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