Igor Guljaš

Expert for IT Security | Cyber Security Enthusiast | THM top 4%

Igor Guljaš
Novi Sad, Serbia

Experience

Jan 2024 - Present
2 years 1 month

Expert for IT Security

OTP Banka Serbia

  • Lead IT security initiatives and ensure compliance with internal and external standards
  • Manage and monitor security infrastructure including endpoint protection, Wallix PAM solutions
  • Conduct vulnerability assessments and coordinate remediation efforts
Oct 2021 - Dec 2023
2 years 3 months

Advisor for IT Security

OTP Banka Serbia

  • Supported IT security operations and implementation of security policies
  • Maintained and configured security tools including WSUS, backup systems, and antivirus solutions
Jun 2019 - Sep 2021
2 years 4 months

Application & System Administrator

Erste Bank Serbia

  • Managed MSSQL databases and IIS servers
  • Administered backup systems (Veritas, Connected Backup) and WSUS patching
  • Provided support for internal and external applications and coordinated with European teams for core banking system implementation
  • Delivered 1st and 2nd level support for CodeTwo
Feb 2018 - May 2019
1 year 4 months

System & Network Administrator

JapiCom

  • Configured and maintained network devices (MikroTik, Cisco) and Windows servers
  • Performed basic VMware configurations and ensured network security
Sep 2017 - Jan 2018
5 months

IT Associate

Lak Korak 021

  • Maintained company website and supported digital marketing efforts
  • Provided technical support to the sales department
Jun 2017 - Sep 2017
4 months

System Administrator

Novalite

  • Managed system and network infrastructure for a development company
  • Handled DB maintenance, virtualization, and technical support
Nov 2008 - Jun 2017
8 years 8 months

System Administrator

JKP Put

  • Oversaw IT and communications infrastructure including servers, networks, and backups
  • Managed MSSQL databases, Windows environments, and provided end-user support
Nov 2007 - Oct 2008
1 year

Associate Procurement Officer

JKP Čistoća

  • Handled procurement operations and vendor coordination
Nov 1996 - Oct 2007
11 years

Owner / Retail Salesman

Lak Korak

  • Managed retail operations and customer service

Summary

Cybersecurity and IT Security Specialist with over 17 years of experience in IT and more than 25 years in diverse roles across the private, public, and banking sectors. Proven expertise in penetration testing, IT infrastructure security, database and network administration, and implementation of enterprise-grade security solutions. Adept at managing complex systems, ensuring compliance, and leading cross-functional teams. Holds multiple industry-recognized certifications including CEH, Microsoft Security, Azure, and Cisco. Known for a proactive approach, problem-solving mindset, and strong communication skills. Respected for bridging technical expertise with business needs while adapting quickly to evolving cybersecurity challenges.

Skills

  • Penetration Testing & Vulnerability Assessment
  • It Security Operations & Incident Response
  • Mssql Server Administration (2008–2019)
  • Network Security (Cisco, Mikrotik, Tp-link, At)
  • Backup & Recovery (Veritas Netbackup, Connected Backup)
  • Windows Server & Workstations
  • Linux Os (Basic)
  • Pam (Wallix, Thycotic)
  • Vulnerability Scanner (Qualys, Openwas-basic)
  • Wsus Patch Management
  • Endpoint Protection (Sophos, Symantec, F-secure)
  • Siem & Monitoring (Qradar, Observeit)
  • Firewall & Dlp (Checkpoint, Symantec Dlp)
  • Virtualization (Vmware, Hyper-v)
  • Python (Basic), Php & Mysql (Basic)
  • Erp Implementation (Mis2open, Akord)
  • Cybersecurity Training & Continuous Learning

Languages

Serbian
Native
English
Intermediate

Education

University of Novi Sad, Faculty of Agriculture

Master of Science in Management · Management · Novi Sad, Serbia

Certifications & licenses

Certified Phishing Prevention Specialist (CPPS)

Microsoft Certified: Security Operations Analyst Associate (SC-200)

Certified Ethical Hacker (CEH)

Azure Database Administrator Associate (DP-300)

Azure Security Engineer Associate (AZ-500)

Azure Administrator Associate (AZ-104)

Cisco Certified Network Professional Enterprise

Acronis Certified Engineer Backup

Cisco Certified Cyber Ops Associate

Veeam Technical Sales Professional

MCSE: Server Infrastructure

Cisco Certified Network Associate Security

MCSA: Windows Server 2012

MCTS: SQL Server 2008

MCTS Server Virtualization

MCITP Enterprise Administrator on Windows Server 2008

Cisco Certified Network Associate Routing And Switching

ECDL Certificate

ISO/IEC 27001:2005

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