Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

I am a highly skilled and certified cybersecurity professional with deep practical knowledge and hands-on experience in protecting enterprise assets and infrastructure. I am a subject matter expert in server & application support, database development & administration, rollouts & deployment, log analysis, network troubleshooting, incident and change management. I am passionate about cybersecurity and eager to explore new opportunities in this ever-evolving field, continually learning to stay ahead of emerging threats and technologies.…I am a highly skilled and certified cybersecurity professional with deep practical knowledge and hands-on experience in protecting enterprise assets and infrastructure. I am a subject matter expert in server & application support, database development & administration, rollouts & deployment, log analysis, network troubleshooting, incident and change management. I am passionate about cybersecurity and eager to explore new opportunities in this ever-evolving field, continually learning to stay ahead of emerging threats and technologies.

Paul Poljaković

Database Developer, Web Developer, DevOps Developer, +5





I am a highly skilled and certified cybersecurity professional with deep practical knowledge and hands-on experience in protecting enterprise assets and infrastructure. I am a subject matter expert in server & application support, database development & administration, rollouts & deployment, log analysis, network troubleshooting, incident and change management. I am passionate about cybersecurity and eager to explore new opportunities in this ever-evolving field, continually learning to stay ahead of emerging threats and technologies.…I am a highly skilled and certified cybersecurity professional with deep practical knowledge and hands-on experience in protecting enterprise assets and infrastructure. I am a subject matter expert in server & application support, database development & administration, rollouts & deployment, log analysis, network troubleshooting, incident and change management. I am passionate about cybersecurity and eager to explore new opportunities in this ever-evolving field, continually learning to stay ahead of emerging threats and technologies.

Available to hire

I am a highly skilled and certified cybersecurity professional with deep practical knowledge and hands-on experience in protecting enterprise assets and infrastructure. I am a subject matter expert in server & application support, database development & administration, rollouts & deployment, log analysis, network troubleshooting, incident and change management.

I am passionate about cybersecurity and eager to explore new opportunities in this ever-evolving field, continually learning to stay ahead of emerging threats and technologies.

Skills

Experience Level

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

German

Fluent

English

Fluent

Swedish

Fluent

Work Experience

IT Monitoring - Service Control Room at GIT Monitoring

October 1, 2023 - September 24, 2025

Monitored servers, networks, databases, services and web applications, ensuring optimal performance and uptime. Addressed system alerts, investigated root causes, resolved and escalated issues as needed, and managed/used IAM tools (CyberArk and Okta) in compliance with security policies. Used ITSM platforms like ServiceNow, Jira, and Confluence, along with jump servers, Active Directory, and scripting tools (Linux batch files, PowerShell) to streamline operations and maintain system integrity.

Cyber Security Analyst at E.ON

August 1, 2021 - September 24, 2025

Analyzed security incidents using a central SIEM platform, ensuring compliance with ISO 27001 and SANS Incident Handling standards. Detected and investigated anomalies in enterprise IT security environments using tools like Splunk, FireEye, Palo Alto XSOAR, and Zscaler; documented incidents and escalated to L2 analysts when necessary. Used VirusTotal and Microsoft 365 to support incident response processes.

Application & Migration Support Technician at Fichtner GmbH & Co. KG

October 1, 2020 - September 24, 2025

Supported IT operations during a Windows migration project, deploying Windows 10 on 40+ new machines using Microsoft Deployment Toolkit and upgrading old PCs from Windows 7. Installed and configured specialized software for AutoCAD Engineers, ensuring the best setup for engineering workflows. Managed and resolved hardware, software, server, and network issues, including troubleshooting latency, bandwidth throttling, DNS, and connectivity. Monitored daily emails to identify and mitigate spam and cybersecurity threats. Provided IT support for video conferencing systems (MS Teams) and maintained peripheral hardware.

IT Monitoring - Service Control Room

October 1, 2023 - September 24, 2025

Monitored servers, networks, databases, services and web applications, ensuring optimal performance and uptime. Addressed system alerts, investigated root causes, resolved and escalated issues as needed, and managed / used IAM tools (CyberArk and Okta) in compliance with security policies. Utilized ITSM platforms like ServiceNow, Jira, and Confluence, along with jump servers, Active Directory, and scripting tools (Linux, Batch Files, PowerShell) to streamline operations and maintain system integrity.

ITS Support Engineer at ATRONE electronic GmbH

September 1, 2022 - September 24, 2025

Monitored servers and implemented new functionalities in IT systems to meet specific client requirements. Updated systems to Oracle and server versions, adapting monitoring and firewall rules accordingly.

Cyber Security Analyst at E.ON

August 1, 2021 - September 24, 2025

Analyzed security incidents using a central SIEM platform, ensuring compliance with ISO 27001 and SANS Incident Handling standards. Detected and investigated anomalies in enterprise IT security environments across IT security solutions with tools like Splunk, FireEye, Palo Alto XSOAR, Zscaler, documenting incidents and escalating them to L2 analysts when necessary. Used VirusTotal, and MS365 to execute unbooks and support detailed incident response processes.

Application & Migration Support Technician at Fichtner GmbH & Co. KG

October 1, 2020 - September 24, 2025

Supported IT operations during a Windows migration project, deploying Windows 10 on 40+ new machines using Microsoft Deployment Toolkit and upgrading old PCs from Windows 7. Installed and configured specialized software for AutoCAD engineers, ensuring the best setup for engineering workflow. Managed and resolved hardware, software, server, and network issues, including troubleshooting latency, bandwidth usage, DNS, and connectivity. Monitored and analyzed daily incoming emails to identify and mitigate spam and cybersecurity threats. Provided IT support for video conferencing systems (MS Teams) and maintained peripheral hardware.