Сергій

Education
Kharkiv Municipal Academy Kharkiv, Ukraine | Graduated 2010
Specialist Degree, Thermal Gas Supply and
Ventilation Engineering

Strategic Management 2020
Coursera

JavaScript Automation 2022

Serhii Blahynia
GeeksForLess Inc

Experience
Network Security Analyst
SOC (Security Operations
Center) GeeksForLess Inc. Remote | 2022 – Present
Professional Experience:
• Investigate and respond to security alerts and incidents using
Contact Splunk, XSOAR, Microsoft Defender, and Palo Alto firewall logs.
• Conduct phishing investigations, including email header analysis,
embedded link inspection, and user communication.
[open contact info](look above in the "contact info" section) • Review Azure AD sign-in logs to validate suspicious
authentication attempts and ensure MFA enforcement.
[open contact info](look above in the "contact info" section) Perform triage and enrichment of alerts generated by GreyMatter,
Okta, and other detection platforms.
Plovdiv, Bulgaria • Collaborate with IT teams to contain threats and escalate cases
requiring advanced incident handling.
• Document findings and provide clear communication to
managers and business stakeholders.

About Me
Procurement Manager
Detail-oriented and highly adaptable Network
Security Analyst with a diverse professional
Furnitex (China Market) Ukraine | 2019 – 2022
background and strong analytical mindset.
Currently securing enterprise-level infrastructure
and investigating threats for Geeksforless.
Proven ability to transition across industries and Coordinated sourcing and logistics of goods from Chinese suppliers
master new technical domains. Strong interest Managed product cost analysis and vendor negotiations
in network defense, threat analysis, and security
Waiter
policy enforcement.

Princess Cruises (USA) International | 2018

Key Skills
Delivered high-quality customer service in a fast-paced, multicultural
environment
Security Tools: Splunk, Microsoft Defender, Azure AD, Palo Maintained hygiene and safety standards per maritime protocols

Alto, Okta, GreyMatter

Technologies: MFA, VPN, EDR/XDR solutions, Microsoft 365 Why Hire Me
Security
I’ve built a solid foundation in network security monitoring
Core Competencies: Incident Response, SOC Monitoring,
and incident response, and I’m confident working with
Threat Hunting, Phishing Analysis, Log Review
tools like Microsoft Defender for Endpoint, Threat Explorer,
Splunk, and Sentinel. I’ve also spent time digging into logs,
analyzing suspicious emails, and using platforms like
VirusTotal and Hybrid Analysis to investigate threats.
Language I’m genuinely interested in cybersecurity, quick to learn
new tools and systems, and not afraid to dive into
English - Intermediate complex issues. I’m ready to grow, contribute, and be a
Ukrainian – Native reliable part of a team that’s focused on keeping systems
secure.
Russian – Fluent