Wiktor User
@wiktoruser
Motivated Security Analyst with expertise in cybersecurity and incident response.
What I'm looking for
I am a motivated and detail-oriented Security Analyst with a strong background in ICT. With over three years of experience in security monitoring, incident response, and vulnerability management, I have developed a keen ability to identify and mitigate threats in enterprise environments. My expertise includes working with SIEM solutions such as McAfee ESM, Splunk, and Microsoft Sentinel, which has equipped me with the skills necessary to analyze security events and respond effectively to incidents.
Throughout my career, I have demonstrated strong analytical skills and a proactive approach to security challenges. In my current role at Globallogic/Hitachi Cyber, I monitor and analyze security events, conduct in-depth log analysis, and support incident response efforts across diverse environments. I am committed to continuous improvement and have contributed to enhancing the performance of security tools to strengthen organizational security posture.
Experience
Work history, roles, and key accomplishments
Sentinel SOC Security Analyst
Globallogic/Hitachi Cyber
Feb 2025 - Present (4 months)
Monitored and analyzed security events using Microsoft Sentinel, Defender XDR, and Splunk to identify, investigate, and escalate potential threats. Conducted in-depth log analysis and incident response efforts across diverse environments, documenting findings and process improvements using Jira and Confluence. Worked within a Microsoft MSSP environment, leveraging the full Microsoft security stack
Security Analyst
Atos/Eviden
Dec 2022 - Present (2 years 6 months)
Monitored and investigated infrastructure-related security alerts using McAfee ESM and ServiceNow, analyzing network traffic to detect threats. Responded to security incidents, applying appropriate countermeasures to mitigate risk, and supported the Vulnerability Management Services (VMS) team. Maintained and improved security tools, contributing to SIEM engineering through administrative support
1st Line Support/Engineer
Atos
Jul 2021 - Present (3 years 11 months)
Provided first-line technical support for UK hospital clients, handling incidents and service requests through the ServiceNow ticketing system. Resolved end-user issues related to hardware, software, and network connectivity, and performed basic Active Directory administration. Created clear, user-friendly documentation and troubleshooting guides to support end-user self-service and reduce ticket
Math Tutor
MathExpert
Dec 2018 - Present (6 years 6 months)
Provided tailored guidance to enhance problem-solving skills and mathematical proficiency. Specialized in advanced-level instruction and high school certification exam preparation.
Education
Degrees, certifications, and relevant coursework
Liceum Ogólnokształcące nr VIII w Bydgoszczy
High School Diploma, General Studies
Completed secondary education at Liceum Ogólnokształcące nr VIII w Bydgoszczy, building foundational knowledge across various subjects.
Politechnika Bydgoska
Engineer's Degree, Information and Communication Technology (ICT)
Pursued an engineering education with a focus on Information and Communication Technology (ICT) at Politechnika Bydgoska. Gained comprehensive knowledge in ICT principles and practices.
Tech stack
Software and tools used professionally
Availability
Location
Authorized to work in
Job categories
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