Profile

Project Profile

07/18 – 03/19

Freelancer Network

  • 2´nd and 3´rd Level Support
  • Migration of hugh national network 

Used Software:

  • IOS, IOS-XR, IOS-XE

Management Firewall Systems:

  • –

Add-on software monitoring / management / Ticketsystem:

  • –

Used Techniques:

  • –

Used Routingprotocols: static-routing, BGP

Used Hardware:

  • Ethernet-Encoders
  • Cisco Router ASR9k, ASR1k
  • Cisco Catalyst Switche 38xx

Used messurement device:

  • –

03/18 – 06/18

Freelancer Security

  • 2´nd and 3´rd Level Support
  • Operating / Management Firewall System
  • TAC Case Owner Cisco 

Used Software:

  • R77, IOS 9.x, GA 5.4.x

Management Firewall Systems:

  • GAIA, Provider-1
  • CSM, ASDM
  • Fortigate

Add-on software monitoring / management / Ticketsystem:

  • HP Service-Center
  • Splunk

Used Techniques:

  • Anyconnect dual (User- / Machine-) cert. authentification, Site-2-Site VPN, NAT, IKEv1/2

Used Routingprotocols: static-routing

Used Hardware:

  • CheckPoint Firewall
  • Cisco Firewall: 55×0-x
  • Fortigate

Used messurement device:

  • –

09/17 – 02/18

Freelancer Security

  • 2´nd and 3´rd Level Support
  • Design new services (e.g. ISE)
  • Migration ACE – ISE
  • ITIL process revised / new definition
  • Planning / Migration / Outsourcing Managed Service
  • Steering / escalation external partner (managed service)
  • Go-Live / Troubleshooting foreign location
  • TAC Case Owner Cisco 

Used Software:

  • R77, R80, IOS 9.x

Management Firewall Systems:

  • GAIA, Provider-1
  • CSM, ASDM

Add-on software monitoring / management / Ticketsystem:

  • Solarwinds
  • eHealth

Used Techniques:

  • Anyconnect, Site-2-Site VPN, NAT, spez. AD-Authentifikation, IKEv1/2

Used Routingprotocols: OSPF

Used Hardware:

  • CheckPoint Firewall: 12000
  • Cisco Firewall: 55×0-x

Used messurement device:

  • TCPdump, Wireshark

03/17 – 12/17

Freelancer Network Engineering and Security

  •  
  • Design / Roll-out WAN-LISP network all over the world
  • Design / Conception Site-2-Site VPN (Primary/Backup / IKEv1/2)
  • Go-Live / migration LISP Network
  • Connect foreign companies via S-2-S Tunnel all over the world
  • 3´rd Level Troubleshooting
  • Direct contact person for the endcustomer
  • Training / Workshop employees / customer
  • TAC Case Owner

Used Software:

  •  
  • IOS, IOS-XR, IOS-XE
  • Safenet (dual Factor Authentication)
  • FMC
  • Anyconnect

Used Techniques:

  •  
  • SDN, APIC, IP-SLA, floating static routes, Tracking

Used Routingprotocols: LISP, OSPF

Used Hardware:

  • Cisco Router: ISR 4xxx, ASR 1xxx
  • Cisco Switch: 65xx,3750, 3850, 2960
  • Cisco Source Fire Modul

Used messurement device:

  • wireshark

01/17 – 03/17

Freelancer Network Engineering and Security

  •  
  • verification design / engineering DataCenter
  • 2´nd und 3´rd Level Support LAN / Security FW
  • Enginieering / Design 802.1x
  • PoC ACS / ISE
  • PoC Windows Server / ISE

 Used Software:

  • NX-OS, IOS, PAN-OS

Management of Firewall system:

  • Panorama

Add-on software for monitoring / management / ticket system:

  • Solarwinds
  • eHealth

 Used Techniques:

  •  VSS, vPC, virtualization, FEX, 802.1x IPtables

 Used Routingprotocols: OSPF,Static-routing

 Used Hardware:

  • PaloAlto; PA-200/500/3020i
  • Cisco Switch: 65xx, 3750, 3850, N2K, N5K, N9K
  • Windows 2008 R2 Radius
  • Cisco ISE

 Used messurement device:

  •  – 

 12/14 – 12/16

Freelancer Network Engineering VPN / IP Design

  •  
  • Verification of technical Concept 
  • Build customer special solutions
  • CPE / PE Customer connection
  • Engineering / Design IPv6 Provider Backbone
  • PoC Test IPv6 end customer
  • Connect / troubleshoot different ISP provider to the backbone
  • Engineering / troubleshoot / implementing SIP Primary / Backup
  • Tests with Sprient measurement 
  • 3´rd Level Troubleshooting L2VPN, L3VPN
  • Router count >3000

Used Software:

  •  
  • IOS, IOS-XR. IOS-XE, Junos, CACTI

Used Techniques:

  •  
  • from the provider segment, like BFD Multihop, VRF, SIP, IPv6

Used Routingprotocols: OSPF, BGP, EIGRP, Static-routing, MPLS

Used Hardware::

  •  
  • Huawei
  • Cisco Switch: CPE´s like 4xxx, PE´s like ASR9000
  • Juniper MX

Used messurement device:

  • Chariot
  • Spirent

04/14 – 04/15

Freelancer Network Design / Implementation / Analyze

Used Techniques:

  • vPC, FEX, VSS

Used Routingprotocols: OSPF, BGP, EIGRP, Static-routing

Used Hardware::

  • Nexus Switch: 7K, 5K. 2K, 1Kv
  • Cisco Switch: 650x, 450x, 3750x, 2960

05/13 – 03/14

Freelancer Datacenter, Second Level Support Firewalling and Loadbalancer

Used Software:

  • Management Firewall-Systemet:
    • Juniper: Junos (Space); Junos Network and Security Manager (NSM)
    • Checkpoint: Provider One R75.40, Provider One R77
  • Troubleshooting:Firewall Monitoring:
    • Juniper Security Threat Response Manager (STRM)
    • algosec
    • Big Brother (SNMP-Tool)
    • MRTG (statistics)
    • Valuemation (Syslog-Server)

Used Hardware::

  • Loadbalancer
  •  
  • Radware: ODS 1, ODS 3xl
  • Alteon: 5412xl
  • F5 BigIP 5200, 10200
  • Firewall Juniper
  •  
  • SRX550, SRX 1400, SRX 5800, ISG 2000
  • ca. 20 Cluster
  • Firewall Checkpoint
  •  
  • IP 290, IP 1220, IP 1260, IP 1280, IP 2250, IP 2450, CP21400
  • VSX
  • ca. 80 Cluster

 04/11 – 04/13

Member of the operating team as same as engineering team

  • conception / redesign L2/ L3 core backbone at the datacenter
  • Implementing / design OSPF routing at the datacenter
  • Implementing / design of routing regarding provider change
  • MPLS moves with their foreign companies
  • Conception / design / implementing of VSS
  • Redesign different firewall DMZ
  • Lan2Lan IPsec tunnels between foreign companies
  • 2 nd / 3 rd level troubleshooting all over the company
  • Administration BlueCoat Proxy
  • Network support and design from one critically company application (MCH)
  • re-engineering / development of internal process rules (such as fw-process structures)

Used Techniques:

  • IPsec, NetFlow, QoS, SNMP, HSRP, VRRP, 80x.xx, VSS

Used Routingprotocols: static-routing, OSPF, BGP

 Used Hardware:

  • Cisco 3560x-xx – 3750x-xx 
  • Cisco 650x
  • PIX / ASA 5xx, 55xx
  • Palo Alto
  • BlueCoat Proxy 310, 8100

09/10 – 03/11

Member of the customer engineering team  

  • Proof of concepts
  • Design of special network requirements
  • Design of Layer2 Spirent templates 
  • 3´rd level troubleshooting
  • > 3000 Router

Used Techniques:

  • IPsec, NTP, SNMP, HSRP, 80x.xx

Used Routingprotocols: static-routing, OSPF, BGP, MPLS, IS-IS. L2TP

Used Hardware:

  • Cisco 8xx – 720x 
  • Cisco 100x-ASR
  • Cisco 120xx

Used messurement device:

  • Chariot
  • Spirent

01/10 – 09/10

Member of the customer engineering team  

  • Technical leadership for router rollout at one German Federal Land
  • Design and implementation of special IPsec-PKI network requirements
  • employee training and workshops for new technologies 
  • 3´rd level troubleshooting
  • > 2000 Router

Used Techniques:

  • IPsec, PKI, open PKI, Netflow, NTP, SNMP, HSRP, EEM

Used Routingprotocols: static-routing, EIGRP, OSPF, BGP, MPLS

Used Hardware:

  • Cisco 8xx – 720x
  • Cisco 100x-ASR0
  • Ciisco 65xx

08/09 – 12/09

responsible Firewall / Security international Datacenter allover  

  • re-engineer security concept Datacenter  
  • administration Firewall 
  • optimize of Firewall-rule set 
  • 3´rd level troubleshooting 

Used Techniques:

  • FWSM, CheckPoint Provider-one, CSM, ASDM , AlgoSec

Used Routingprotocols: static-routing, OSPF, BGP, MPLS

Used Hardware:

  • Nokia Firewall 
  • Cisco 5xxx ASA Firewall
  • Cisco 65x

01/06 – 07/09

  • Responsible remote-access overall 
  • Responsible Middle East area 
  • Responsible Italy, Spain area 
  • Responsible connecting support companies 
  • Design and implementation WLAN networks 
  • Connecting allover the world support companies at the company 
  • Project planning, cost analyses, process (installation) the own projects 
  • Troubleshooting overall 
  • adjust technical failure 
  • development / hando 
  • verification of concept documents 
  • verification new concepts 
  • performance messurement and evaluation new hardware 
  • campus-design, Campus-MPLS 
  • datacenter redesign 
  • troubleshooting issues and administration CheckPoint / PIX-ASA firewalls 
  • establish europe branch offices and subsidiaries mpls connection 
  • 3´rd level support 
  • create requirement definition and system specification 
  • employee training and workshops for new technologies 
  • MPLS implementation their europe branches

Used Techniques:

  • R-STP, STP, VRRP, PPP, NAT, SNMP, ACL´s HSRP, QoS, IPsec, DMVPN, 802.1x xx, NAC, TACACS, RADIUS , CWSI, iperf, NTP, FWSM

Used Routingprotocols:

  • EIGRP, OSPF, BGP, MBGP,  RIVv 1/2, static-routing, floating static routing, Multicast-routing, MPLS

Used Interfaces:

  • PRI, BRI, ATM, popular LAN Interfaces etc.

Used Hardware:

  • Cisco Switch: 29xx, 35xx, 38xx, 4x0x, 65xx 
  • Cisco Router: 836 – 72xx 
  • Cisco Concentrator: 3x0x 
  • Cisco FW: PIX 5xx, ASA 
  • Cisco Contentswitching: CSS 12xxx 
  • Cisco Access-Point: AP 12xx
  • Cisco WLAN Controller: 4400
  • Cisco Remote Access: ACS 
  • RSA: ACE Server
  • DTAG: IPASS Server

11/04 – 12/05

Member of the CET- (customer engineering)Team 

  • Customer solution/connection to the MPLS network 
  • Responsible for my own customer projects 
  • Contact person for internal employee and customer 
  • Treatment of SBR´s (special business request) 
  • Testing, compile and implementation of special customer configurations / problems at the Lab

Used Techniques:

  • HSRP, mppp, FRF.16, loadsharing, ISDN Backup, Multi-VPN, QoS

Used Routingprotocols:

  • EIGRP,OSPF,(M)BGP,RIPv2,static routing,floating static routing

Used Interfaces:

  • POS, ChSTM-1, E1-E3, PRI, BRI, T1, ATM, etc.

Used Hardware:

  • Cisco Switch: 35xx, 4x0x, 65xx 
  • Cisco Router: 836 – 76xx
  • Juniper Router: M10, M40, M320

10/04 – 11/04

  • Troubleshooting at the LAN / WAN 
  • 3´rd level Support 
  • Re-Design of Vlan structure 
  • Re-Design of Routing structure 
  • Re-Design of OBM (out-of-band management) structure 
  • Employee training 
  • Contact person to Cisco Systems

Used Techniques:

  • HSRP, Channeling, Vlan-trunking

Used Routingprotocols:

  • EIGRP

Used Hardware:

  • Cisco Switch: 35xx; 4x0x; 65xx

07/04 – 10/04

  • Troubleshooting and verification of MPLS customer problems at testlabs also to find solution in terms of QoS (LLQ, WRED etc.) 
  • Part Re-Design of BGP-4 Backbone (Manchester BB) 
  • Part Re-Design of OSPF network (Abbey Bank) 
  • Multicast network Re-Design (Abbey Bank) 
  • Re-Design of HSRP with Radius authentification about 1 Mio User (xdsl User) 
  • Troubleshooting BGP-4 and OSPF 
  • Measurement in a testlab of VoIP packets like jitter, echo, performance, (21´st century network) 
  • Contact person to Cisco Systems

Used Techniques:

  • LLQ, HSRP, MPLS

Used Routingprotocols:

  • OSPF, BGP-4, MOSPF, MP-BGP

Used Hardware:

  • Cisco Switch: 35xx, 4x0x, 65xx 
  • Cisco Router: 120xx, 7507, 720x, 38xx, 37xx, 26xx

08/03 – 07/04

  • 3´rd level support (data-team) for the world greatest voice-over-ip project. To comprehend RTR-analyse and on-site measuring with analyser like WaGo Domino and Expert Sniffer 
  • Development and implementation of QoS (LLQ) for lines like ISDN-BRI/-PRI/ATM/ S2M as well as Cisco Router und Switche 
  • RTR and cRTP configuration at lines like ISDN BRI 
  • Development and implementation of backup scenario in case of line failure.(dial-in router over ISDN PRI; connecting B-channels with higher performance 
  • Development and implementation of backup scenario in case of routing failure (OSPF, BGP-4) 
  • Optimize L2/3 protocol timers 
  • Last escalation to Cisco Systems. Case-owner and contact person to Cisco Systems

Used Techniques:

  • LLQ, HSRP, Radius, Ether-Channeling, ISDN Backup, RTR Analyse via eHealth, Domino Analysen etc.

Used Routingprotocols:

  • OSPF, BGP-4

Used Hardware:

  • Cisco Switch: 35xx 
  • Router: 7507, 7206, 3745, 3660, 2610, 1760, 827

04/03 – 08/03

  • Technical project management for the internal company bank (choice of Cisco Products, Firewall-Hardware, bid proposal management, project planning, control of costs etc.) 
  • Design, configuration and build of a new LAN(Ethernet) / WAN(T-DSL-ISDN/VPN) area 
  • Build up of LAN / WAN DMZ´s 
  • Build up of VPN / Ipsec connections with ISDN backup 
  • Configuration, Consulting and Implementation of SNA-over-DSL in 190 remote offices 
  • Priority (service policy) of data traffic; for example SNA-over-IP 
  • DLSW Peer implementation, and backup via ISDN-Backup, without disconnection their DLSW circuits 
  • HSRP with different groups (backup scenario) 
  • Networkdesign from the point of view like „traffic share“ and „redundant scenario“ 
  • Connect IBM 3174 and “Kassencontroller” over token-ring and serial lines 
  • NTP and SNMP implementation 
  • Troubleshooting in the entire IT-environment with analyser like WaGo Domino, Expert Sniffer 
  • Concepts of customized workshops 
  • Attendance and bid proposal management for projects like SNA-Switching 
  • LAN/WAN 3´rd level support Troubleshooting over the company

Used Routingprotocols:

  • OSPF, EIGRP

Used Techniques:

  • NAT, IPsec, VPN, Backup over dial on-demand, HSRP

Used Hardware:

  • Cisco Switch 29xx, 35xx, 45xx, 65xx 
  • Cisco Router: 7206, 36xx, 26xx, 17xx 
  • Nokia IP30/350

01/03 – 04/03

  • Consulting and Troubleshooting (LAN[Token-Ring]; ATM [LANE]) 
  • Design and Installation of Layer 2 and 3 
  • Migration of LANE – Token-Ring to Ethernet (ca. 1900 User)

Used Hardware:

  • Cisco Switche: 35xx, 65xx

01/03 – 01/03

  • Design and Installation of Security/VPN´s over T-DSL; remote call-in from different countries with PC´s 
  • Consulting Security VPN 
  • Implementation of OSPF with backup over ISDN 
  • Pre- and Postsales Support Security 
  • Redesign of the network

Used Hardware:

  • Cisco Router: 26xx, VPNclient

01/02 – 10/02

  • Design and installation of Layer 1,2 and 3 
  • Consulting and troubleshooting (LAN/WAN) 
  • New design and implementation of the WAN line 
  • Support for the client (NT and Win 2000)

Used Routingprotocolls:

  • static routing 
  • Used Hardware: 
  • Sonix Firewall

01/01 – 10/02

  • Contract for certified Cisoco Seminars 
  • Certified for following seminars as instructor: 
  • CND, IMCR, BCMSN, BCRAN, BSCI, CIT, CCIE-Prep-Lab

Technical Certification:

  • CCNA, CCDA, CCNP, CCSI, CCIE

07/01 – 09/01

  • 3rd level support 
  • Installation and extension of the network

Used hard- and software:

  • Cisco Router: 26xx, 36xx, 720x 
  • Switche: 29xx, 650x

05/01 – 07/01

  • Installation and consulting with Cisco products 
  • Main focus on different routing protocols

02/01 – 12/01

  • Planning and installation of the complete network 
  • 3rd level support 
  • Design, selection and installation of WAN lines (Speed – Provider) 
  • Implementation and configuration of BGP-4, HSRP, RIP v1/2, Vlan´s, Trunking etc.

Used hard- and software:

  • Cisco Router: 26xx, 36xx 
  • Switche: 29xx, 650x

09/99 – 09/00

  • Development and performance of the trainee program to be certified as CCSI (Certified Cisco Systems Instructor) 
  • Selection and engagement of trainees 
  • Installation and consulting with different Cisco products 
  • Telephone and in-house-support with related companies

Used Hard- and software:

  • Cisco Router: 80x – 720x 
  • Switche: 19xx – 650x

03/99 – 09/99

  • Changement of the germanwide networt from static routing to the dynamic routingprotocol OSPF 
  • Responsible for HSRP, BGP-4, Tunneling, VPN´s, and IOS security 
  • Persecution and testing the online traffic with the related products3rd level support for WAN (Frame-Relay) and LAN (Ethernet und Token Ring) 
    • Router/Switche/network analyzer(DA30; Expert Sniffer)
  •  
  • Germanwide rollout and automatic distribution of the system configuration for Cisco products 
  • Network Design and consulting for the customer LZB Deutschland

Used Hard- and software:

  • Cisco Router: 36xx, 26xx, 25xx, 72xx, 75xx 
  • Switche: 650x, 29xx 
  • Netzwerk Analyzer: DA30, Expert-Sniffer, Linux

1994 – 1995

  • Customized Trainings for Novell Netware 
  • Diagnostic and andalysing of Network-architecture and -protocols, for example Novell NetWare, DECnet, TCP/IP and more 
  • Implementation Novell Network (with 20 Users) 
  • Consulting and troubleshooting in heterogeneous network environment with approx. 350 users

Used Protocols:

  • NT, Novell, DECn
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