Hire the best Information Security Analysts in Serbia

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$30 hourly
Istvan O.
- 4.9/5
- (102 jobs)
Machine Learning, AI, Custom agents, Chemo/Biophysics Biotech AI Chatbots for web and mobile QA machines Drug discovery AI NLP/CV Custom AI agents/ Langchain/ Autogen System administration/networking Bioinformatics, chemoinformatics, AI Biotech and medical software development, Machine Learning /// Cybersecurity, Deep Learning: Project management - Biotech Team leading - Scientific computing, Medical research OSINT/ VA work Information security Crypto/Blockchain Deep Learning, Scientific computation ////

Information Security
Ethical Hacking
Information Security Audit
Biomedical Engineering
Bioinformatics
Drug Discovery
Project Management
Medical Informatics
Biotechnology
Artificial Intelligence
ChatGPT
Python
Chatbot
Technical Support
Machine Learning
$40 hourly
Strahinja S.
- 4.5/5
- (12 jobs)
As a seasoned Senior Security Analyst, I bring forth seven years of dedicated expertise in fortifying the Cybersecurity landscape for enterprises, corporations, and medium-sized businesses. My proficiencies encompass an extensive range, including: -Orchestrating the full spectrum of incident response life cycles and post-incident activities. -Mentoring and guiding junior colleagues in mastering the intricacies of incident response cycle. -Crafting robust Information Security policies and procedures tailored to organizational needs. -Authoring comprehensive security guidelines to empower security personnel with actionable directives. -Conducting thorough training sessions for employees, covering the breadth of Cybersecurity awareness. -Configuring SIEM alarm rules and formulating clear incident response playbooks. - A hands-on experience with SOAR platforms, fostering a seamless operational environment. My forte lies in delivering quick security alarm analysis across various domains and tools, including: Web security and email security solutions, security awareness platforms, Microsoft and Amazon security stack, brand and digital landscape protection, EDR and HIPS, as well as an array of SIEMs such as LogRhythm, Qradar, Sentinel, XDR, Rapid7, Amazon. With a commitment to robust security measures and a track record of elevating defenses across multifaceted environments, I am committed to contribute expertise that safeguards and fortifies your organization against evolving threats.

Information Security
Security Operation Center
GDPR Compliance Review
GDPR
ISO 27001
Information Security Consultation
Vulnerability Assessment
$60 hourly
Nikola M.
- 4.9/5
- (55 jobs)
I perform a wide variety of cyber security related projects, ranging from system and network administration, education, planning, consulting, analysis, assessment and testing, to investigative and forensic work. I bring high standards, tried and tested methodology with industry standard tools and techniques to deliver you professional results. I also have excellent communication skills while being fluent in 3 languages. I will always keep you up to date with the progress made, or if I have any questions, to ensure your awareness of how the assignment is moving along. I believe collaboration is key for a project to run smoothly towards a successful and mutually satisfying conclusion. I have extensive hands on experience with the following systems, tools and technologies/techniques: Penetration testing: - Web Applications (E-commerce, WordPress, and more) - Databases and web servers (MySQL, MSSQL, Oracle, PostgreSQL, LAMP/MEAN stacks and other) - Networks and network devices - Operating Systems - LDAP, Active Directory, Kerberos - Wireless - Kali Linux, Nmap, Nessus, BurpSuite, SQLMap, Metasploit, Maltego Security: - Antivirus - Antispam - Firewall - PKI, IDS/IPS, RADIUS System administration: - Linux (all versions and distributions) - Windows Server and Desktop (versions from 1995 to current) - FreeBSD Networking: - VPN and other remote workplace solutions, secure tunneling - Wireless - Network topology and subnetting/VLANs Virtualization: - Virtualbox - VMWare Certifications: - Offensive Security Certified Professional (OSCP), issued by Offensive Security with the certificate ID OS-101-034161. - CREST Practitioner Security Analyst (CPSA), issued by CREST on 19. November 2021 with the CREST ID 4033342702, - CREST Registered Penetration Tester (CRT), issued by CREST on 19. November 2021 with the CREST ID 4033342702 I am extremely motivated, adaptable, willing to learn and work independently as well as in teams. I have an agile mind and, due to my inquisitive nature, a knack for research. Being a very diligent and earnest person when it comes to work, I believe that I can handle, or improve, any system or infrastructure that has been entrusted to me.

Information Security
Website Security
Kali Linux
Digital Forensics
Metasploit
Ethical Hacking
Gray Box Testing
Penetration Testing
Network Penetration Testing
Web App Penetration Testing
Black Box Testing
Risk Analysis
Vulnerability Assessment
Network Security
$5 hourly
Kodai U.
- 5.0/5
- (17 jobs)
Hello, I'm eager to contribute to Upwork with skills in translation, research/analysis, and customer support for financial services. With CompTIA A+, Network+, Security+, and Entry-Level Information Security certifications, I provide strong IT support. Known for meeting deadlines and delivering high-quality work, I ensure client satisfaction. Let's discuss how I can support your team. Thank you.

Information Security
Risk Analysis
Combat Game
Occupational Health
Communications
First Aid
Content Writing
Translation
Helpdesk
Cloud Computing
Operating System
Computer Hardware
Workplace Safety & Health
Risk Assessment
Military & Defense
Military
International Relations
$40 hourly
Milica L.
- 5.0/5
- (0 jobs)
With an extensive track record spanning over two decades, I bring a wealth of expertise in business development, software consultancy, and technical project management to my role as Delivery Lead at HTEC Group - a renowned global engineering and consulting services provider. Guiding intricate and cutting-edge software projects across diverse sectors, I am dedicated to ensuring top-tier delivery quality, stakeholder contentment, and tangible business outcomes. My proficiencies lie in pioneering technology solutions, shaping effective business strategies, guaranteeing seamless business continuity, and orchestrating successful project lifecycles. Holding a Ph.D. in Business Continuity Management from the University of Belgrade, an Executive MBA from COTRUGLI Business School, and a Master of Science in Computer Science from Stanford University, I seamlessly blend academic excellence with practical acumen. Fueled by a continuing passion for mastering emerging technologies, unraveling intricate challenges, and cultivating and guiding exceptional teams, I aspire to channel my capabilities and insights toward driving transformative value for both clients and the organization.

Information Security
Business Development
IT Management
Cross Functional Team Leadership
Business Continuity Planning
Business Continuity Plan
IT Consultation
ChatGPT
Jira
Scrum
Software Consultation
Project Delivery
Project Management Professional
Agile Project Management
$40 hourly
Boris J.
- 0.0/5
- (0 jobs)
️ Developing highly resilient applications and robust cloud architecture solutions. Senior developer with experience in application layers, presentation layers, databases, automation and deployment. ️️

Information Security
Deployment Automation
Problem Solving
Architectural Design
Docker
Kubernetes
Terraform
CI/CD
Amazon Web Services
Architecture
Compliance
Computing & Networking
Computer Network
DevOps
$35 hourly
Zeljko J.
- 0.0/5
- (0 jobs)
Network & IT Infrastructure Expert | Mikrotik | VPN | Linux | Cloud Backups With 25 years of experience in IT infrastructure and network engineering, I specialize in designing, securing, and optimizing network systems for businesses of all sizes. Whether you need a reliable VPN solution, a secure network setup, or an optimized server infrastructure, I can help you achieve your goals efficiently. What I Offer: Mikrotik & Network Configuration – Routing, Firewall, VLANs, QoS, Wireless VPN & Secure Networking – WireGuard, OpenVPN, IPsec, GRE tunnels Linux System Administration – Ubuntu, CentOS, Debian, server automation Cloud & Backup Solutions – Veeam, Rsync, ZFS, Proxmox, Disaster Recovery Server & API Hosting – OpenStreetMap servers, self-hosted solutions Troubleshooting & Performance Optimization – Network monitoring, security hardening I have worked with businesses, startups, and enterprise clients to ensure their IT infrastructure is secure, scalable, and high-performing. My approach is straightforward – I analyze, optimize, and deliver solutions that just work. Let’s connect and discuss how I can help with your project!

Information Security
Security Infrastructure
Network Design
Network Administration
Network Monitoring
Cisco
MikroTik
VMware ESX Server
VMware Administration
VMWare
Linux
Network Engineering
Computing & Networking
Computer Network
$50 hourly
Svetozar P.
- 0.0/5
- (0 jobs)
I am system administrator mostly for Microsoft products and services for on-prem and online environments. I was using PowerShell on daily basis for various tasks. I was working for companies with over 10.000 users and mailboxes.

Information Security
Computing & Networking
Graph
Compliance
System Administration
$40 hourly
Miroljub K.
- 0.0/5
- (0 jobs)
In my many years of work in IT, I went from being a programmer, information system designer, head of the design and programming department, director of the computer center, head of the information security department. - I have rich experience in working with databases DB2, SQL. - I have extensive experience in the digitization of local and state administration. - I have numerous IBM and Microsoft certifications. - I have an ITIL certificate. - Teamwork, best practice, good communication and the human factor is the key to success.

Information Security
Compliance
Database Management
Government Reporting Compliance
$30 hourly
Marko J.
- 5.0/5
- (11 jobs)
As a leading cybersecurity expert, I am committed to providing elite penetration testing services, ensuring adherence to SOC2, HIPAA, PCI-DSS, and ISO 27001 regulations. With a deep understanding of the complexities and challenges in the field of cybersecurity, I have dedicated my career to helping organizations strengthen their digital defenses against continuously advancing threats. At the core of my expertise is a proactive approach to cybersecurity. I provide my clients with the peace of mind that their sensitive data and systems are protected. I offer a wide array of offensive security services, focusing especially on penetration testing. This process includes detailed analysis and simulated cyberattacks on various systems, networks, and applications. By replicating real-world attacker tactics, I effectively reveal and address concealed vulnerabilities. I collaborate closely with organizations to understand their unique security needs and tailor my approach accordingly. Whether it's ensuring compliance with industry-specific regulations or enhancing overall security posture, my goal is to deliver solutions that are not only effective but also practical and sustainable. My commitment to staying ahead of the curve in cybersecurity trends and technologies ensures that my clients receive the most advanced and effective protection strategies. I hold various offensive security certifications such as Pentest+, OSCP, and CRTO. Professionally I have worked on several projects where I have conducted: - external network penetration tests - internal network penetration tests - active directory security assessments - web application penetration tests (OWASP Top 10) - mobile apps penetration tests (OWASP Mobile Top 10) - phishing simulations Reach out to discuss how we can strengthen your organization's cybersecurity posture.

Information Security
Security Testing
Security Analysis
Internet Security
Network Penetration Testing
Web App Penetration Testing
Vulnerability Assessment
Penetration Testing
Web Application Security
Wireless Security
Application Security
Microsoft Active Directory
Network Security
Website Security
$15 hourly
Zoran J.
- 5.0/5
- (17 jobs)
Hi! My name is Zoran, and I'm 23 years old. My goal is to get the job done with excellence and build a strong relationship with the client through communication and the quality of my work. I'm skilled in many areas with five years of experience, and that includes: 1)Malware removal 2)Preventing hacker attacks (Security hardening) 3)WordPress and Joomla 4)Web App Penetration 5)Website/domain migration 6)Website blacklist removal I'm also an expert in English, capable of excellent communication with the client, and I'm online any time you need me. I am looking forward to working with you!

Information Security
Domain Migration
Virus Removal
Web App Penetration Testing
HTML
Joomla
PHP
WordPress
$17 hourly
Petr K.
- 0.0/5
- (1 job)
I'm system administrator with more than 10 years experience. I can help you to administrate your servers, to project your network from zero or to develop it from current point. I can use commercial or free software for making your IT work for you.

Information Security
Cryptography
Fortinet
FortiGate Firewall
Google Cloud Platform
Novel
Windows Administration
VMware ESX Server
VMWare
OKTA
Information Technology
Network Administration
Linux
Microsoft Active Directory
$20 hourly
Lazar B.
- 0.0/5
- (0 jobs)
Dedicated Cyber Security Engineer with a proven track record of implementing robust security measures to safeguard organizations against cyber threats. Proficient in designing, implementing, and managing security solutions, I bring a comprehensive understanding of modern cyber threats and industry best practices.

Information Security
Microsoft Azure
Network Monitoring
Network Design
Fortinet
FortiGate Firewall
Network Engineering
$10 hourly
Aleksandar M.
- 0.0/5
- (0 jobs)
Sure! Here's your Upwork bio translated into English: Experienced Technician for Motherboard Repairs, Micro-Soldering, and Server Work Hello! I am a specialist in laptop and server motherboard repairs, with extensive experience in micro-soldering and chip-level repairs. I also have a strong background in working with both Windows and Linux servers, including the setup and maintenance of virtual machines. I specialize in resolving technical issues at the most intricate level—whether it’s repairing damaged components or diagnosing and replacing key parts on motherboards. No matter how complex the problem, I ensure precision and high-quality results. Skills and Services I Offer: • Micro-soldering and chip-level motherboard repairs • Laptop, desktop, and server repairs • Electronic component diagnostics and repairs • Windows and Linux server installation, configuration, and maintenance • Virtual machine management (VMware,ProxmoxVe, VirtualBox, Hyper-V) • Server performance optimization and network resource management • Remote support and troubleshooting • Installation and security configuration of NAS Servers(Truenas, Synology, Linux NAS, Windoes NAS) My experience and dedication to quality allow me to handle even the most challenging technical issues. If you're facing problems with your server or laptop, feel free to reach out, and I guarantee I will provide a professional solution in the shortest time possible.

Information Security
Desktop & Laptop Support
Hardware Troubleshooting
Internet Security
Windows Administration
Windows Server
Ubuntu
VMware ESX Server
Proxmox VE
Docker
MikroTik RouterOS
Database Management
Network Engineering
Computing & Networking
Computer Network
$31 hourly
Bojan K.
- 0.0/5
- (0 jobs)
Solutions-focused and technical-minded IT professional with extensive experience in the system configuration, network support and analysis, software management and administrative support. Adaptable and hands-on technologist who works well individually or in team environments with over 15+ years of experience. Detail-oriented with a record of accomplishment of delivering infrastructure enhancements on time and with minimal impacts to production. Proven ability to implement technologies that decrease costs, increase performance and positively affect the bottom line. Problem solver. Skills * Installation, configuration and monitoring of IBM, Dell and HP servers and storage devices, * Cloud technologies: Azure, AWS, GCP and hybrid, * Virtualization: Hyper-V, VMware, Oracle VirtualBox, KVM, configuration and maintenance, * Installation, configuration and administration of MS Windows server and client OS - Active Directory,

Information Security
IT Infrastructure
IT Support
IT Asset Management
Office Administration
Server & Virtualization Software
Cloud Engineering
Windows Administration
Linux
DevOps
Network Engineering
System Administration
Computing & Networking
Problem Solving
Computer Network
$40 hourly
Lazar M.
- 0.0/5
- (0 jobs)
Full time web application penetration tester with experience in Application security roles. Spare time bug bounty hunter and CTF player. Over half a decade in the field of penetration testing and application security.

Information Security
Web App Penetration Testing
Penetration Testing
$85 hourly
Dejan V.
- 0.0/5
- (0 jobs)
Hi I'm a professional software developer with 30+ years of experience working in the software industry. A results-driven, customer-focused, articulate and analytical who can think 'out of the box'. Possessing a high creativity, working energy and an extensive experience in the lot of areas of software development. Ability to quickly adapt to the new projects, fast learner, quickly switching from technology to the new-coming one, excellent communication skills, adaptability and collaboration on projects are my main working capabilities. Extremely professional experience and seriousness in my work is also a great achieve for my employers. Skilled in developing business plans, requirements specifications, user documentation, and architectural systems research. Expert in Java, C# .NET, C++, SOA, ETL and T- SQL with database analysis and design.

Information Security
Embedded System
C++/CLI
Back-End Development
ETL
Database Development
Windows API Development
Windows App Development
PrimeFaces
IBM WebSphere
JavaScript
C#
.NET Framework
Java Servlet API
Problem Solving
$22 hourly
Bozidar T.
- 0.0/5
- (0 jobs)
I began my career as a System Administrator for a government organization, where I worked for 10 years, gaining extensive experience in IT infrastructure and system management. Seeking new challenges, I transitioned to a private company, where I completed the Microsoft AZ-104 and Microsoft SC-200 certifications, which opened doors for further professional growth. Currently, I am a Senior Cybersecurity Specialist at a company specializing in cybersecurity, where I focus on securing digital environments and mitigating security risks. I have strong expertise in Microsoft Office, hardware management, and IT security. Beyond my professional skills, I am passionate about photography and music mixing, which I pursue as hobbies. My strong communication skills allow me to build positive relationships with colleagues, and I take pride in fostering a productive and friendly work atmosphere. My coworkers often say they enjoy working with me, both for my reliability in completing tasks and for the pleasant team environment I help create.

Information Security
Astrology
Self-Sovereign Identity
Computer Hardware
Hardware Testing
Microsoft Office
Microsoft Windows
Cybersecurity Monitoring
IT Management
Computing & Networking
Computer Network
$10 hourly
Lazar I.
- 0.0/5
- (0 jobs)
Junior web developer Dob: 30.01.2001. Belgrade, Serbia • I am proficient, devoted, hard-working, creative and I enjoy solving tasks and problems in the best way. •I love team work, but I am also good at working on my own. •I am excited about future possibilities and adopting new knowledge and experience. • Knows HTML, CSS3, JavaScript, jQuery, SEO, Bootstrap, Ajax.

Information Security
Database Management
Database
Compliance
Customer Relationship Management
CRM Software
$10 hourly
Marko D.
- 0.0/5
- (0 jobs)
Hello! I’m a dedicated Security Engineer with a passion for fortifying digital environments against ever-evolving threats. I specialize in designing, implementing, and managing security solutions that protect your systems, networks, and data.

Information Security
Compliance
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