Recommended expert

Igor Guljaš

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

Igor Guljaš
Novi Sad, Serbia

Experience

Jan 2024 - Present
2 years 2 months

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

Industries Experience

See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.

Experienced in Retail (11 years), Utilities (9.5 years), Banking and Finance (6.5 years), and Information Technology (2 years).

Retail
Utilities
Banking and Finance
Information Technology

Business Areas Experience

The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.

Experienced in Information Technology (17.5 years), Customer Service (11 years), Operations (11 years), Sales (11 years), Procurement (1 year), and Marketing (0.5 years).

Information Technology
Customer Service
Operations
Sales
Procurement
Marketing

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

Profile

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Igor based?

Igor is based in Novi Sad, Serbia and prefers 100% remote projects.

What languages does Igor speak?

Igor speaks the following languages: Serbian (Native), English (Intermediate).

How many years of experience does Igor have?

Igor has at least 29 years of experience. During this time, Igor has worked in at least 8 different roles and for 8 different companies. The average length of individual experience is 3 years and 3 months. Note that Igor may not have shared all experience and actually has more experience.

What roles would Igor be best suited for?

Based on recent experience, Igor would be well-suited for roles such as: Expert for IT Security, Advisor for IT Security, Application & System Administrator.

What is Igor's latest experience?

Igor's most recent position is Expert for IT Security at OTP Banka Serbia.

What companies has Igor worked for in recent years?

In recent years, Igor has worked for OTP Banka Serbia and Erste Bank Serbia.

Which industries is Igor most experienced in?

Igor is most experienced in industries like Retail, Utility Services, and Banking and Finance. Igor also has some experience in Information Technology (IT).

Which business areas is Igor most experienced in?

Igor is most experienced in business areas like Information Technology (IT), Customer Service, and Operations. Igor also has some experience in Sales, Procurement and Purchasing, and Marketing.

Which industries has Igor worked in recently?

Igor has recently worked in industries like Banking and Finance.

Which business areas has Igor worked in recently?

Igor has recently worked in business areas like Information Technology (IT).

What is Igor's education?

Igor holds a Master in Management from University of Novi Sad, Faculty of Agriculture.

Does Igor have any certificates?

Igor has 19 certificates. Among them, these include: Certified Phishing Prevention Specialist (CPPS), Microsoft Certified: Security Operations Analyst Associate (SC-200), and Certified Ethical Hacker (CEH).

What is the availability of Igor?

Igor is immediately available for suitable projects.

What is the rate of Igor?

Igor's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.

How to hire Igor?

To hire Igor, click the Meet button on the profile to request a meeting and discuss your project needs.

Average rates for similar positions

Rates are based on recent contracts and do not include FRATCH margin.

800
600
400
200
Market avg: 470-630 €
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.