Piotr Siwek

Senior Security Engineer

Warsaw, Mazowieckie, Poland

About

Experience

  • Vodeno (6 yrs 10 mos)
    • Security Architect
      Nov 2025 - Present · 9 mos

    • Senior Security Engineer
      Dec 2021 - Present · 4 yrs 8 mos

    • Security Engineer
      Oct 2019 - Dec 2021 · 2 yrs 3 mos

  • SOC Analyst at Sage
    May 2018 - Jul 2019 · 1 yr 3 mos

    -Integrating enterprise services with SIEM -Building tools that interface with SIEM API (via Python), whether it is maintenance of existing infrastructure, ensuring compliance or inventing and building brand new solution for incident management -Incident response -Working on various SOC like tools such as Cofense Triage, SIEM (alerts and searches) -Created air-gapped lab environment from top to bottom (network layout, host specification, procedures) for CDO -Conducting network security infrastructure tests as well as developing its architecture with security in mind -Providing end-to-end IT security - operations, delivery, engineering -Working with information security leadership to develop security strategies -Mentoring and developing IT security staff -Configuring Endpoint Security (AV, AMP, Umbrella)

  • Trustwave (Warszawa, woj. mazowieckie, Polska)
    • Security Engineer
      Nov 2015 - May 2018 · 2 yrs 7 mos

      - Analyzing and responding to security threats from various security threat data feeds - Configuring, managing and upgrading wide variety of security products/appliances - Analyzing vulnerability scan results and remediating discovered issues with device owner - Using strong TCP/IP networking skills to perform network troubleshooting to isolate and diagnose all kind of network problems - Responding to inbound requests via phone and other electronic means for technical assistance with managed services - Responding in a timely manner (within documented SLA) to support, threat and other cases - Documenting actions in cases to effectively communicate information internally and to customers - Responding to needs and questions of customers concerning their access to network resources through their managed device. - Adhering to policies, procedures, and security practices - Resolving problems independently and understand escalation procedure - Providing training to peers - Point of escalation for most complex issues

    • Security Analyst
      Feb 2015 - Nov 2015 · 10 mos

      - Analyzing and responding to security threats from Fortigate UTM Appliance, Antivirus, Network Access Control and other security threat data sources. - Configuring, managing, and upgrading firewalls, access points, and other equipment as needed to ensure customer PCI compliance and system functionality. - Using strong TCP/IP networking skills to perform network troubleshooting to isolate and diagnose common network problems. - Responding to inbound requests via phone and other electronic means for technical assistance with managed services. - Responding in a timely manner (within documented SLA) to support, threat and other cases. - Documenting actions in cases to effectively communicate information internally and to customers. - Responding to needs and questions of customers concerning their access to network resources through their managed device.

  • GuestTek Interactive Entertainment Ltd. (Warszawa, woj. mazowieckie, Polska)
    • Network Specialist
      Jun 2014 - Jan 2015 · 8 mos

      - Detecting and troubleshooting network issues - Keeping essential network security policies both in workplace and network configuration - Maintaining and troubleshooting UNIX based servers, mostly Redhat - Switching (WIFI, DSL, Ethernet) and routing - Evaluating equipment status and creating replacement tickets if necessary - Working with technicians dispatched onsite - providing guidance and remote support - Assisting customers' IT departments and Regional Information Technology Directors in troubleshooting network infrastructure - Working with various Internet Service Providers from all over the world - Cooperating with Network Engineering, Project Management, R&D and other internal departments - Using English as primary language of work - Working in 7/24 shifts model

    • Senior Network Analyst
      Dec 2013 - Jun 2014 · 7 mos

      -Supervising T-1 Agents, point of contact for complicated issues -Detecting and troubleshooting network and other issues with services (cable, VoD, LAN/WLAN, modems and routers) -Detecting and troubleshooting Red Hat server issues -Dispatching high priority tasks to other departments, coordinating replacements, tech dispatch etc. -Using English as primary language of work -Working in 7/24 shifts model

    • Junior Network Analyst
      Jan 2013 - Dec 2013 · 1 yr

      -Remotely supporting hotel guests with host and internet connectivity issues -Detecting and troubleshooting network issues -Using English as primary language of work -Working in 7/24 shifts model