Summary
Overview
Work History
Education
Skills
Additional Languages
Timeline
Generic

Hari Gunawan Simaguen

Booragoon,WA

Summary

Experienced System Engineer with over 15 years in the IT industry, specializing in cybersecurity, system architecture, and network management. Demonstrated expertise in designing, implementing, and maintaining robust IT infrastructure for diverse organizations, with a strong focus on security and risk management. Certified in cybersecurity by ISC2, currently pursuing CISSP certification.


Adept at assessing cybersecurity risks, recommending and implementing security standards, and mentoring teams to enhance their cybersecurity capabilities. Proven track record of managing and securing IT environments, staying ahead of emerging threats, and collaborating with security vendors to ensure 24/7 protection.

Overview

10
10
years of professional experience

Work History

Systems Engineer

Mastery IT Solutions Pty Ltd
01.2014 - Current

1. System Design and Implementation:

• Design, deploy and maintain scalable and reliable IT systems and infrastructure.

• Integrate hardware and software components to ensure seamless operation.

• Implement system upgrades and new technologies to enhance performance and efficiency.

2. Network Management:

• Oversee the installation, configuration, and maintenance of network infrastructure, including routers, switches, firewalls, and VPNs.

• Monitor network performance and troubleshoot issues to ensure minimal downtime.

3. Security Management:

• Implement and manage security measures to protect IT systems and data.

• Conduct regular security assessments and audits to identify vulnerabilities.

• Develop and enforce security policies and procedures.

4. System Maintenance and Support:

• Perform regular system maintenance tasks, including backups, updates, and patch management.

• Provide technical support and troubleshooting for hardware, software, and network issues.

• Ensure high availability and reliability of IT systems and services.

5. Documentation and Reporting:

• Maintain accurate and up-to-date documentation of system configurations, processes, and procedures.

• Generate regular reports on system performance, security incidents, and maintenance activities.

6. Continuous Improvement:

• Stay current with emerging technologies and industry trends.

• Recommend and implement improvements to enhance system performance and efficiency.

• Participate in ongoing professional development to maintain technical expertise.

Education

Bachelor of Technology - Computer System And Networking

Curtin University of Technology
Perth
11.2006

Skills

  • (ISC)² Certification: Certified in cybersecurity from Information System Security Certification Consortium
  • CISSP (in progress): Currently working towards CISSP - Certified Information Systems Security Professional certification
  • Previous and Expired certified CCNA, Citrix CCA, MCSA, MCSE & MCITP
  • System Engineering: Integrating and Managing IT Systems to deliver reliable, scalable and secure services to clients
  • Network Engineering: Skilled in network design, implementation, and security
  • Threat Detection & Prevention: Competent in using tools and technologies for 24/7 security monitoring and incident response
  • Penetration Testing: Experienced in identifying vulnerabilities through penetration testing
  • Security Standards Implementation: Experienced in auditing and implementing Essential 8 Security Framework Application of NIST Cybersecurity Framework 20 Standard for SMB

Additional Languages

Indonesian
Native or Bilingual
Chinese (Mandarin)
Limited Working

Timeline

Systems Engineer

Mastery IT Solutions Pty Ltd
01.2014 - Current

Bachelor of Technology - Computer System And Networking

Curtin University of Technology
Hari Gunawan Simaguen