Siavash Hajirostam
Network Security Engineer
CA
Summary
Senior cybersecurity engineer with expertise in conducting comprehensive security architecture analyses and antivirus monitoring. Possesses strong skills in threat monitoring, leadership, and training to effectively support teams. Proficient in product testing, documentation, and optimizing resource allocation. Proven ability to report, achieve budget adherence, and liaise for escalated issues. Brings efficiency through installation, configuration, and management of antivirus servers. Experience includes resolving diverse network issues through effective problem-solving techniques.
Overview
2025
2025
years of professional experience
27
27
years of post-secondary education
2
2
Languages
Work History
Network Security Consultant
Freelance
12.2023 - Current
Senior Network Security Engineer
Shabakeh Gostar
3 2014 - 9 2023
- Security Analysis and Architecture Maintenance: Analyze to support the implementation and ongoing maintenance of the organization's security architecture
- Monitor antivirus software to ensure system integrity
- Antivirus Management Server Operations: Install and configure antivirus management servers to deploy, update, and manage client systems efficiently
- Oversee the antivirus software operations for large-scale projects involving over 5,000 clients, including platforms like Bitdefender, McAfee, and Trellix
- Threat Monitoring and Communication: Monitor and analyze threat reports
- Notify customers of vulnerabilities within their network systems and advise them to reduce the vulnerability risk by up to 40 percent
- Team Leadership and Training: Led the support team in the effective use of security software and vulnerability awareness
- Train team members on installation, deployment, policy assignment, and troubleshooting of security software
- Product Testing and Documentation: Evaluate and test new security products
- Develop user guides and documentation for the support team
- Reporting: Analyzed project data to generate comprehensive reports on performance metrics, including budget adherence, timeline compliance (meeting deadlines with 95% accuracy), and resource allocation
- Vendor Liaison: Communicate with product companies to report and escalate unsolvable issues and Define support tickets for complex problems
- Policy and Best Practices Development
- Create and implement best practice policies and configurations for customer networks
- Software Issue Resolution: Assist in monitoring, investigating, documenting, and resolving antivirus software issues
- Product Improvement: Review Common Vulnerabilities and Exposures (CVE) listings for relevant products
- Facilitate product enhancement by applying new patches and updates
Technical Support Engineer
Shabakeh Gostar
12.2008 - 12.2011
- Security Architecture Support: Implement and maintain security architecture components
- Monitor antivirus and firewall software, specifically McAfee
- Software Issue Management: Investigate, document, and resolve issues with enterprise antivirus software, including management console activities, updates, installations, and threats
- Training and Efficiency Improvement: Train company administrators to enhance server and network efficiency, utilizing vulnerability reports
- Project Reporting: Deliver accurate and timely reports on project deliverables
- Support clients and solve their problems through phone and remote access or email
- Solve network issues (caballing, FTP access, Outlook, Internet access, Software issues, Installing OS, Hardware problems)
Education
Master of Science - Information Security
Stockholm University
Stockholm, Sweden 05.2001 - 01.2023
Master of Science - Network Engineering
Halmstad University
Halmstad, Sweden 05.2012 - 01.2014
Bachelor of Computer Hardware Engineering - undefined
Azad University
01.2003 - 01.2007
Skills
Analysis support
Architecture components
Network monitoring
Antivirus monitoring
Project management
Computer networks administration
User training
Network attack management
Vulnerability analysis
Bitdefender administration
McAfee administration
Trellix administration
Cisco CCNA
Cisco CCNP
Linux
Microsoft Windows Server
Microsoft Windows Advanced Server administration
Microsoft Office
Microsoft Outlook
Microsoft SCCM
Microsoft SQL
ISO 27001-27000
Microsoft Azure
DLP (Data Loss Prevention)
Timeline
Network Security Consultant
Freelance
12.2023 - Current
Master of Science - Network Engineering
Halmstad University
05.2012 - 01.2014
Technical Support Engineer
Shabakeh Gostar
12.2008 - 12.2011
Bachelor of Computer Hardware Engineering - undefined
Azad University
01.2003 - 01.2007
Master of Science - Information Security
Stockholm University
05.2001 - 01.2023
Senior Network Security Engineer
Shabakeh Gostar
3 2014 - 9 2023
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