Minh (Duc) V.
Senior System Engineer Network & Security
Experience
Sep 2023 - Jul 2024
11 monthsKitzingen, Germany
Senior System Engineer Network & Security
F.S. Fehrer GmbH & Co. KG
- Responsible for configuring, maintaining, monitoring, troubleshooting, and optimizing the IT infrastructure, including Extreme Networks, SD-WAN, and Fortinet security solutions, at all international company sites in Europe and North America
- Developed a comprehensive strategic roadmap to optimize the network architecture, including VLANs, NAC, QoS, firewall configurations, VPNs, DPI, NGFW, threat intelligence, and SSL/TLS inspection
- Implemented the OneIT strategy by introducing new technologies such as Cisco DNA Center, ExtremeCloud IQ, FortiOS, FortiManager, and FortiAnalyzer, improving staff skills and the efficiency of IT systems
- Integrated IT and OT systems to optimize network and security architecture and improve operational efficiency
Jan 2023 - Aug 2023
8 monthsBerlin, Germany
Senior System Engineer Network & Security
Contipark Parkgaragengesellschaft
- Designed and implemented an IT security concept for office spaces in the D-A-CH region using MikroTik, resulting in cost savings and improved security standards
- Collaborated with internal teams to create security-compliant operating concepts
- Introduced new encryption protocols and security policies, enhancing IT security
- Managed and monitored daily operations and security standards at all sites using monitoring tools like The Dude and Aruba ClearPass
- Created thorough documentation and an operations manual for a seamless handover of the project to the next team
Feb 2022 - Dec 2022
11 monthsHamburg, Germany
Senior Network & Security Engineer
Philips Medical Systems DMC GmbH
- Led and executed a comprehensive project to implement and migrate from IPv4 to IPv6 in a corporate network to meet future growth needs and tackle global address exhaustion
- Developed a detailed migration strategy to minimize downtime and disruptions to network operations
- Configured Cisco routers, switches, and firewalls for IPv6 compatibility
- Monitored and supported during and after the migration to ensure a smooth transition and immediate resolution of issues
Feb 2021 - Feb 2022
1 year 1 monthHamburg, Germany
Network & Security Engineer
Sprinkenhof GmbH
- Implemented security-related network solutions in light of COVID restrictions, including IPsec VPN for remote and mobile workers
- Carried out risk analyses and security assessments, especially for Sophos solutions and firewall configurations
- Developed and implemented an early warning system to detect network anomalies, identifying intrusion attempts and unusual traffic and triggering alarms
- Collaborated with external security service providers to conduct regular penetration tests and security audits to continuously improve overall network security and achieve ISO27001 certification
Nov 2019 - Feb 2021
1 year 4 monthsGermany
IT Security Coordinator
Euler Hermes AG
- Coordinated and managed technical aspects with all stakeholders, including team members, subcontractors, vendors, and clients, to ensure network security standards and policies were met
- Closely monitored operational and security logs for various computing devices to ensure maximum network availability
- Developed and delivered training sessions for staff on current security topics and best practices
- Implemented security controls and monitoring systems to detect and respond to security incidents
Sep 2017 - Oct 2019
2 years 2 monthsHamburg, Germany
System & Network Administration
Barmer
- Leading and executing a project to implement and manage a highly available and scalable Red Hat Linux environment to support business-critical applications
- Planning and designing a Red Hat Linux infrastructure, including selecting suitable hardware and network components
- Installing and configuring Red Hat Enterprise Linux (RHEL) servers, including setting up RAID, LVM, and network interfaces
- Implementing security measures, including SELinux, firewall, and regular security updates
Nov 2014 - Aug 2017
2 years 10 monthsHamburg, Germany
2nd & 3rd Level Support Specialist
REMCO GmbH
- Responsible for receiving and classifying incoming support requests
- Using remote access tools and diagnostic software to troubleshoot issues
- Identifying and resolving hardware, software, and network issues
- Systematically documenting and updating solutions in the knowledge base
- Developing and executing security-related project plans and meeting project deadlines
Summary
Experienced and dedicated network and security expert with over 10 years of experience in the IT industry.
Specializing in Cisco, Fortinet, and Palo Alto, I have successfully completed numerous long-term projects. My extensive expertise also covers technologies from vendors like Cisco, MikroTik, Aruba, and Extreme Networks. With strong problem-solving skills and a focus on the highest security standards, I have played a key role in optimizing network stability and security. I also have a proven track record of achieving company goals through structured and efficient work methods.
Languages
German
NativeVietnamese
NativeEnglish
AdvancedEducation
University of Hamburg
B.Sc. Computer Science · Computer Science · Hamburg, Germany
Certifications & licenses
CCNA
Comptia A+
Google Cybersecurity Professional
MTCNA (MikroTik Certified Network Associate)
NSE 1-3 (Fortinet Network Security Expert)
Network +
Security +
Need a freelancer? Find your match in seconds.
Try FRATCH GPT More actions
Similar Freelancers
Discover other experts with similar qualifications and experience
- English
- Deutsch
2025 © FRATCH.IO GmbH. All rights reserved.