Paweł Karkoszka

Experience

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  Porting House

  Mar 2010 - Jul 2010

  IT support

  Servers Maintenance, users technical support, network maintenance.Software used: Windows Server 2003 (DHCP, DNS,WSUS, Routing), ISA Server, ESET Smart Security

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  Samodzielny Publiczny Dziecięcy Szpital Kliniczny w wWarszawie

  Aug 2010 - Apr 2011

  Informatyk

  Medical network management.User support.

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  Action S.A.

  Jul 2011 - Feb 2014

  Młodszy Inżynier Systemowy

  Server Systems Administration and ManagementBackup Administration and ManagementNetwork HP switches ManagementVPN Configurationa and ManagementFirewall ManagementHardware ManagementESET AV management for CompanyVMWare Administration

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  Baker Tilly Poland

  Feb 2014 - Aug 2014

  IT Administrator of Data Centre & Network

  - PaloAlto Firewall Administration- LAN, WAN, VPN administration (Cisco routers and switches)- Windows Server Administration (AD, Exchange)- VMWare Administration- Implementation of new technologies- Information Security- Ensuring IT business Continuity- Network maintenance

• 

  Acxiom

  Aug 2014 - Dec 2015

  - Handling network outages- Diagnosing root cause of network issues- Coordination work of service providers and site IT in resolving network outages- Cooperation with other teams in diagnosing and resolving service access issues- Diagnosing and resolving end user network problems- Implementing network changes - Handling network outages- Diagnosing root cause of network issues- Coordination work of service providers and site IT in resolving network outages- Cooperation with other teams in diagnosing and resolving service access issues- Diagnosing and resolving end user network problems- Implementing network changes

  • Network Engineer

    Apr 2015 - Dec 2015

  • Associate Network Engineer

    Aug 2014 - Mar 2015
• 

  F5

  Jan 2016 - now

  - Working on Change Management, Maintenance, and Development in area of routing, switching, firewalls and mitigation equipment- Supporting Network Backbone for F5 Networks- Providing mentoring and training for SOC and Engineering Teams- Collaboration with different Engineering teams in Distributed Cloud (F5 XC)- Documentation and changes to Infrastructure- Troubleshooting more complex issues, live issue triaging- Maintaining and enhancing Network Automation - Ansible, Python- Taking part in new POP builds Show less - Working on Change Management, Maintenance, and Development in area of routing, switching, firewalls and mitigation equipment- Participating in 24h On-call rotation for Network escalations- Providing mentoring and training for SOC and Engineering Teams- Collaboration with different Engineering teams in Silverline expansion projects- Documentation and changes to Infrastructure- Troubleshooting more complex issues, live issue triaging- Implementation and management of Noction IRP platform- Working on introduction of Automatization in Network Infrastructure Show less

  • Senior Network Engineer

    May 2022 - now

  • Network Engineer

    Oct 2018 - May 2022

  • Security Operations Analyst III

    Apr 2017 - Sept 2018

  • Security Operations Analyst II

    Jan 2016 - Mar 2017