Oumarou Boureima - Network Administrator WAN & Data Center

Q: Where is Oumarou based?

Oumarou is based in Nuremberg, Germany .

Q: What languages does Oumarou speak?

Oumarou speaks the following languages: French (Native), German (Advanced), English (Advanced) .

Q: How many years of experience does Oumarou have?

Oumarou has at least 24 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 10 months . Note that Oumarou may not have shared all experience and actually has more experience.

Q: What is Oumarou's latest experience?

Oumarou's most recent position is Network Administrator WAN & Data Center at Teamative Germany GmbH .

Q: What companies has Oumarou worked for in recent years?

In recent years, Oumarou has worked for Teamative Germany GmbH , März Network Services GmbH , Computer Center AG , and Hays AG Deutschland .

Q: Which industries is Oumarou most experienced in?

Oumarou is most experienced in industries like Information Technology (IT) , Government and Public Administration , and Telecommunication .

Q: Which business areas is Oumarou most experienced in?

Oumarou is most experienced in business areas like Information Technology (IT) , Operations , and Customer Service .

Q: Which industries has Oumarou worked in recently?

Oumarou has recently worked in industries like Information Technology (IT) .

Q: Which business areas has Oumarou worked in recently?

Oumarou has recently worked in business areas like Information Technology (IT) and Operations .

Recommended expert

Nuremberg, Germany

Experience

Sep 2024 - Present

1 year 6 months

Network Administrator WAN & Data Center

Teamative Germany GmbH

Implementation, administration, configuration and operation of Cisco network components (PE-CE routers, provider routers, SD-WAN, switches, access gateways)
Ensuring availability, performance, ongoing development and operation of the WAN access network infrastructure
Creating technical documentation in FNT-Command
Troubleshooting and handling 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

9 months

Network & Security Engineer

März Network Services GmbH

Support of Cisco ASA firewall and UTM, HSRP, VSS, StackWise Virtual, VRF, BGP, OSPF
Handling incidents, service requests and changes
Managing, enabling, cleaning up and migrating firewall rules
Software release management and hardware life cycle management
ISE Policy Configuration
Configuring routers and switches according to customer specifications
Coordinating external service providers
Assisting 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

2 years 4 months

Network Engineer Firewalling

Computer Center AG

Working in the firewall team (security)
Supporting Cisco ASA and FortiGate firewalls
Second and third level support
Handling changes, incidents and service requests
Managing, enabling, cleaning up and migrating firewall rules
Configuring, upgrading and installing 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

10 months

Network Engineer

Hays AG Deutschland

Migrating sites according to customer requirements
Provisioning and configuring network components (L2 & L3)
Troubleshooting Cisco routers and switches
Life-Cycle-Management
Configuring and commissioning firewalls, enabling rules
Creating 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

1 year 1 month

Network Engineer - Technical Lead / Freelancer

Global NTT Germany

Provisioning and configuring Cisco components (L2 & L3)
Troubleshooting Cisco routers and switches
Software release and life cycle management
Handling incidents, requests, changes and problems tickets
Enabling 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

9 months

Network Engineer Firewall

Computer Center AG

Worked in the firewall team (Security)
Handling incidents and service requests
Managing and cleaning up 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

4 years 6 months

On-site

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)
Deployment and configuration of Cisco switches (L2 & L3)
Customizing switches to customer requirements
Troubleshooting Cisco routers and switches, IOS upgrades, rollout, EOS/EOL upgrades
Handling tickets in day-to-day operations
Enabling firewall rules
Creating 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

3 months

On-site

Onsite Support-Engineer

SOLCOM Unternehmensberatung GmbH

Data center migration
Installing hardware components
Configuring Cisco routers and switches to customer requirements
Troubleshooting Cisco routers and switches
Cabling (copper and fiber) and cable labeling, including rack modifications
Creating detailed documentation
Devices: Cisco Catalyst 6509, 3560, 2960, Nexus 2k, 5k
Firewall: ASA 5585-X Series

Aug 2013 - Dec 2013

5 months

Network Specialist

SPIRIT21 AG

Handling tickets in day-to-day operations
Performing installations and configurations
Administering routers, switches, firewalls, VPNs, security solutions, WLC and APs
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

4 months

Network Specialist & In-House Coaching

IPNetON GmbH

Installing, configuring, and managing network components, routers & switches
Operating and administering ASA 5505 security solutions and unified wireless environments (WLAN)
Ensuring the operation of high-availability LAN infrastructure
Troubleshooting

Oct 2012 - Apr 2013

7 months

Project Assignment

Kabel Deutschland Vertrieb und Service GmbH

Knowledge of Cisco routers and switches
Testing, setup, and configuration of devices
Reading SNMP MIBs and comparing them with the running config and NMS display
Experience with NMS (IBM Tivoli Network Manager for IP, SNMP v2c)
Documenting device components for modeling
Documenting product specifications, order and license information
Conducting network inventory, taking stock, reconciling with engineering, and completing hardware documentation

Jan 2005 - Feb 2010

5 years 2 months

IT Specialist

World Vision Niamey

Developing financial plans
Network monitoring, VSAT
Maintaining computer systems (LAN)
Configuring and installing Cisco switches (3560, 2960)
Administering client systems and client software on Linux
Monitoring and coordinating data flow

Mar 1999 - Dec 2004

5 years 10 months

Security Investigator (Info Sec)

US Embassy Niamey, Niger

Leading a team of 6 staff
Point of contact for security issues
Analyzing, designing, and implementing security procedures
Providing technical training for new employees
Security advisor for the Regional Security Officer

Industries Experience

See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.

Experienced in Information Technology (12.5 years), Government and Administration (11 years), and Telecommunication (1.5 years).

Information Technology

Government and Administration

Telecommunication

Business Areas Experience

The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.

Experienced in Information Technology (24 years), Operations (11 years), and Customer Service (0.5 years).

Information Technology

Operations

Customer Service

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)

Technical high school diploma, Mathematics & Physics · Niamey, Niger

Oct 1985 - Jun 1989

Comprehensive school (CEG 6)

Niamey, Niger

...and 1 more

Certifications & licenses

CCNA Wireless

CCNP R&S

Tufin (TCSE)

Profile

Created

September 2025

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Oumarou based?

Oumarou is based in Nuremberg, Germany.

What languages does Oumarou speak?

Oumarou speaks the following languages: French (Native), German (Advanced), English (Advanced).

How many years of experience does Oumarou have?

Oumarou has at least 24 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 10 months. Note that Oumarou may not have shared all experience and actually has more experience.

What roles would Oumarou be best suited for?

Based on recent experience, Oumarou would be well-suited for roles such as: Network Administrator WAN & Data Center, Network & Security Engineer, Network Engineer Firewalling.

What is Oumarou's latest experience?

Oumarou's most recent position is Network Administrator WAN & Data Center at Teamative Germany GmbH.

What companies has Oumarou worked for in recent years?

In recent years, Oumarou has worked for Teamative Germany GmbH, März Network Services GmbH, Computer Center AG, and Hays AG Deutschland.

Which industries is Oumarou most experienced in?

Oumarou is most experienced in industries like Information Technology (IT), Government and Public Administration, and Telecommunication.

Which business areas is Oumarou most experienced in?

Oumarou is most experienced in business areas like Information Technology (IT), Operations, and Customer Service.

Which industries has Oumarou worked in recently?

Oumarou has recently worked in industries like Information Technology (IT).

Which business areas has Oumarou worked in recently?

Oumarou has recently worked in business areas like Information Technology (IT) and Operations.

What is Oumarou's education?

Oumarou attended MegaSystem–Fachhochschule Niamey for IT Specialist, Business Informatics.

Does Oumarou have any certificates?

Oumarou has 3 certificates. These include: CCNA Wireless, CCNP R&S, and Tufin (TCSE).

What is the availability of Oumarou?

Oumarou is immediately available for suitable projects.

What is the rate of Oumarou?

Oumarou's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.