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Oumarou B.-WAN & Data Center Network Administrator

Oumarou B. - WAN & Data Center Network Administrator - profile avatar
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Nuremberg, Germany

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Experience

Sep 2024 - Present

WAN & Data Center Network Administrator

Teamative Germany GmbH

Position summary
WAN & Data Center Network Administrator at Teamative Germany GmbH
Industries
Information Technology
Business areas
Information Technology
Operations
  • 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
Dec 2023 - Aug 2024

Network & Security Engineer

März Network Services GmbH

Position summary
Network & Security Engineer at März Network Services GmbH
Industries
Information Technology
Business areas
Information Technology
Operations
  • 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
Aug 2021 - Nov 2023

Network Engineer Firewalling

Computer Center AG

Position summary
Network Engineer Firewalling at Computer Center AG
Industries
Information Technology
Business areas
Information Technology
Operations
  • 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
Sep 2020 - Jun 2021

Network Engineer

Hays AG Deutschland

Position summary
Network Engineer at Hays AG Deutschland
Industries
Information Technology
Business areas
Information Technology
  • 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
Aug 2019 - Aug 2020

Network Engineer - Technical Lead / Freelancer

Global NTT Germany

Position summary
Network Engineer - Technical Lead / Freelancer at Global NTT Germany
Industries
Information Technology
Telecommunication
Business areas
Information Technology
Operations
  • 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
Nov 2018 - Jul 2019

Network Engineer Firewall

Computer Center AG

Position summary
Network Engineer Firewall at Computer Center AG
Industries
Information Technology
Business areas
Customer Service
Information Technology
  • 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
May 2014 - Oct 2018
On-site

Network Engineer – On-Site Technical Lead / Freelancer

Dimension Data Germany

Position summary
Network Engineer – On-Site Technical Lead / Freelancer at Dimension Data Germany
Industries
Information Technology
Business areas
Information Technology
Operations
  • 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
Feb 2014 - Apr 2014
On-site

Onsite Support Engineer

SOLCOM Unternehmensberatung GmbH

Position summary
Onsite Support Engineer at SOLCOM Unternehmensberatung GmbH
Industries
Information Technology
Business areas
Information Technology
Operations
  • 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
Aug 2013 - Dec 2013

Network Specialist

SPIRIT21 AG

Position summary
Network Specialist at SPIRIT21 AG
Industries
Information Technology
Business areas
Information Technology
  • 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
Apr 2013 - Jul 2013

Network Specialist & In-House Coaching

IPNetON GmbH

Position summary
Network Specialist & In-House Coaching at IPNetON GmbH
Industries
Information Technology
Business areas
Information Technology
Operations
  • 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
Oct 2012 - Apr 2013

Project Assignment

Kabel Deutschland Vertrieb und Service GmbH

Position summary
Project Assignment at Kabel Deutschland Vertrieb und Service GmbH
Industries
Telecommunication
Business areas
Information Technology
Operations
  • 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
Jan 2005 - Feb 2010

IT Specialist

World Vision Niamey

Position summary
IT Specialist at World Vision Niamey
Industries
Government and Administration
Business areas
Information Technology
  • 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
Mar 1999 - Dec 2004

Security Investigator (Info Sec)

US-Botschaft Niamey Niger

Position summary
Security Investigator (Info Sec) at US-Botschaft Niamey Niger
Industries
Government and Administration
Business areas
Information Technology
  • 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.

Information Technology
Government and Administration
Telecommunication
Profile match chart

Business area experience

See which departments and functions this freelancer has contributed to most.

Experienced in Information Technology, Operations, and Customer Service.

Information Technology
Operations
Customer Service
Profile match chart

Languages

French
Native
German
Advanced
English
Advanced

Education

Oct 1994 - Sep 1997

MegaSystem–Fachhochschule Niamey

IT Specialist, Business Informatics · Niamey, Niger

Oct 1989 - Jul 1994

Gymnasium (L.I.K)

Fachabitur, Mathematics & Physics · Niamey, Niger

Oct 1985 - Jun 1989

Comprehensive School (CEG 6)

Niamey, Niger

...and 1 more

Certifications & licenses

Statistics

Experience

Total positions 13
Experience in Information Technology 13 y
Avg length 1 y 10 m
Longest experience 5 y 9 m

Expertise

Recent roles WAN & Data Center Network Administrator, Network & Security Engineer, Network Engineer Firewalling
Main industries Information Technology, Government and Administration, Telecommunication
Main business areas Information Technology, Operations, Customer Service

Qualifications

Certifications earned 3

Profile

Member since
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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.

Daily rate distribution

0% 25% 50% 75% 100%
10% of experts charge less than €480 per day.
40% of experts charge between €640 and €800 per day.
10% of experts charge between €800 and €960 per day.
20% of experts charge between €960 and €1120 per day.
20% of experts charge €1120 or more per day.
<€480 €640-​800 €800-​960 €960-​1120 €1120+

The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.

Average rates for similar positions

Rates are based on recent contracts and do not include FRATCH margin.

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Daily rate avg. 850 €

The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.

1000
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Rate comparison chart
Median rate 780 €

The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.

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.