Minh Duc (Duc) Vu-Senior System Engineer Network & Security
Check rate
Experience
Senior System Engineer Network & Security
F.S. Fehrer GmbH & Co. KG
- Responsible for the configuration, maintenance, monitoring, troubleshooting, and optimization of the IT infrastructure, including Extreme Networks, SD-WAN, and Fortinet security solutions, at all international company locations in Europe and North America
- Development of a comprehensive strategic roadmap to optimize the network architecture, including VLANS, NAC, QoS, firewall configurations, VPNs, DPI, NGFW, threat intelligence, and SSL/TLS inspection
- Implementation of the OneIT strategy through the introduction of new technologies such as Cisco DNA Center, ExtremeCloud IQ, FortiOS, FortiManager, and FortiAnalyzer, which increased employee skills and the efficiency of the IT systems
- Integration of IT and OT systems to optimize the network and security architecture and improve operational efficiency
Senior System Engineer Network & Security
Contipark Parkgaragengesellschaft
- Developed and implemented an IT security concept for office spaces in the D-A-CH region using MikroTik, which led to cost savings and improved security standards
- Worked with internal teams to create compliant operating concepts
- Introduced new encryption protocols and security policies that helped improve IT security
- Managed and monitored daily operations as well as security standards at all locations using monitoring tools such as The Dude and Aruba ClearPass
- Created extensive documentation and an operations manual for a smooth handover of the project to the next team
Senior Network and Security Engineer
Philips Medical Systems DMC GmbH
- Led and carried out a comprehensive project for the implementation and migration from IPv4 to IPv6 in a company network to meet future growth requirements and the global shortage of addresses
- Developed a detailed migration strategy to minimize downtime and disruption to network operations
- Configured Cisco routers, switches, and firewalls for IPv6 compatibility
- Monitored and supported the migration during and after the process to ensure a smooth transition and the immediate resolution of any issues that arose
Network and Security Engineer
Sprinkhenhof GmbH
- Implemented security-related network solutions in response to Corona restrictions, including VPN IPsec for remote and mobile workers
- Created and carried out risk analyses and security assessments, especially related to Sophos solutions and firewall configurations
- Developed and implemented an early warning system to detect network anomalies, which identifies intrusion attempts and unusual traffic and triggers corresponding alerts
- Collaborated with external security service providers to carry out regular penetration tests and security audits and to continuously improve overall network security in order to achieve ISO27001 certification
IT Security Coordinator
Euler Hermes AG
- Coordinated and managed technical aspects with all stakeholders, including team members, subcontractors, suppliers, and customers, to ensure that network security standards and policies were followed
- Closely monitored operational and security logs for various computer units to ensure maximum network availability
- Developed and delivered employee training on current security topics and best practices
- Implemented security controls and monitoring systems to detect and respond to security incidents
System & Network Administration
Barmer
- Led and carried out a project to implement and manage a highly available and scalable Red Hat Linux environment to support business-critical applications
- Planned and designed a Red Hat Linux infrastructure, including the selection of suitable hardware and network components
- Installed and configured Red Hat Enterprise Linux servers, including setting up RAID, LVM, and network interfaces
- Implemented security measures, including SELinux, firewall, and regular security updates
2nd & 3rd Level Support Specialist
REMCO GmbH
- Responsible for receiving and classifying incoming support requests
- Used remote access tools and diagnostic software for troubleshooting
- Identified and fixed hardware, software, and network issues
- Systematically documented and updated solutions in the knowledge base
- Developed and carried out security-related project plans and met project deadlines
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Information Technology, Insurance, Automotive, Manufacturing, Healthcare, and Real Estate.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Information Technology and Project Management.
Summary
Experienced and dedicated network and security expert with over 10 years of experience in the IT industry. Specialized in Cisco, Fortinet, and Palo Alto, I have successfully delivered numerous long-term projects. My broad expertise also covers technologies from vendors such as Cisco, MikroTik, Aruba, and Extreme Networks. With strong problem-solving skills and a strong focus on the highest security standards, I have made a major contribution to improving network stability and security. I also have a proven track record of achieving company goals through a structured and efficient way of working.
Skills
- Network: Ipv4, Ipv6, Dhcp, Dns, Dot1x / Nac, Switching / Routing (Ospf, Fiber, Wan, Lan, Wlan)
- Devices: Cisco, Mikrotik, Aruba, Fortigate, Juniper
- Firewalls: Fortinet / Fortigate, Sophos, Palo Alto
- Cloud: Azure
- Vpn Technologies: Ssl, Ipsec
- Monitoring: Checkmk, The Dude, Prgt
- Security: Security Assessments, Nist Cybersecurity Framework, Encryption Protocols, Intrusion Detection Systems (Ids), Intrusion Prevention Systems (Ips), Siem Solutions, Risk Assessment And Management, Iso 27001, Firewall Management And Policy Management
Languages
Education
University of Hamburg
B.Sc. Computer Science · Computer Science · Hamburg, Germany
Certifications & licenses
Google Cybersecurity Professional
MTCNA (MikroTik Certified Network Associate)
NSE 1-3 (Fortinet Network Security Expert)
Statistics
Experience
Global experience
Expertise
Qualifications
Profile
Frequently asked questions
Have questions? Find more information here.
Minh Duc is based in Hamburg, Germany.
Minh Duc speaks the following languages: German (Native), Vietnamese (Native), English (Advanced).
Minh Duc has at least 10 years of experience. During this time, Minh Duc has worked in at least 6 different roles and for 7 different companies. The average length of individual experience is 1 year and 5 months. Note that Minh Duc may not have shared all experience and actually has more experience.
Based on recent experience, Minh Duc would be well-suited for roles such as: Senior System Engineer Network & Security, Senior Network and Security Engineer, Network and Security Engineer.
Minh Duc's most recent position is Senior System Engineer Network & Security at F.S. Fehrer GmbH & Co. KG.
In recent years, Minh Duc has worked for F.S. Fehrer GmbH & Co. KG, Contipark Parkgaragengesellschaft, Philips Medical Systems DMC GmbH, and Sprinkhenhof GmbH.
Minh Duc is most experienced in industries like Information Technology, Insurance, and Automotive. Minh Duc also has some experience in Manufacturing, Healthcare, and Real Estate.
Minh Duc is most experienced in business areas like Information Technology and Project Management.
Minh Duc has recently worked in industries like Information Technology, Automotive, and Manufacturing.
Minh Duc has recently worked in business areas like Information Technology and Project Management.
Minh Duc holds a Bachelor in Computer Science from University of Hamburg.
Minh Duc has 7 certificates. Among them, these include: CCNA, CompTIA A+, and Google Cybersecurity Professional.
The availability of Minh Duc needs to be confirmed.
Daily rate distribution
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Average rates for similar positions
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Calculated based on our freelancers’ daily rates as of 7 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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