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vlad_serbu

Vlad S

@vlad_serbu

Junior IT Cybersecurity Specialist

Irlanda
Inglês, Romeno, Russo
Algumas informações são exibidas no idioma inglês.
Sobre mim
I am a Junior IT & Cybersecurity Specialist with strong Linux, networking, and cloud foundations. I have hands-on experience with OpenVPN configuration, Nmap scanning, and troubleshooting network issues. I have a proven ability to support users, secure systems, and optimize workflows. I help businesses secure their systems, fix network issues, optimize infrastructure, and improve email & e-commerce workflows.... Saiba mais

Habilidades

v
vlad_serbu
Vlad S
offline • 

Conheça meus serviços

Gerenciamento de e-mails
I will provide linux admin, email server and security support
A partir deUS$ 30 /projetoMais detalhes

Experiência profissional

Freelance IT & E-commerce Technical Support

Freelance IT • Freelance

May 2023 - Present • 3 yrs

Assisted businesses with email configuration and troubleshooting (SMTP, domain setup, authentication records). Helped e-commerce store owners resolve backend technical issues. Provided Linux server troubleshooting and system optimization. Conducted network diagnostics and security checks. Improved email deliverability through SPF, DKIM, and DMARC implementation.

Digital Retail Analyst

Dunnes Stores • Meio período

Nov 2022 - Present • 3 yrs 6 mos

Provided day-to-day IT support including troubleshooting connectivity, account access, and device configuration issues. Used Citrix for remote access, system updates, and enterprise application troubleshooting. Diagnosed and resolved networking and system-related issues to ensure smooth business operations. Maintained a 96% customer satisfaction rate through fast and effective technical problem resolution. Analyzed customer behavior and retail system data to improve workflow efficiency and service performance. Assisted in resolving backend and operational issues affecting digital retail processes. Strong troubleshooting skills, real-world IT support experience, system reliability focus, and ability to work in live production environments.

IT Support Intern

Freelance • Freelance

Jun 2018 - Aug 2018 • 2 mos

Troubleshot xDSL and wireless connectivity issues for customers. Configured Cisco and MikroTik routers for diagnostics and network optimization. Worked with DHCP, DNS, NAT, routing, and IP configuration. Assisted customers with hardware and software setup. Improved service resolution time by identifying root causes quickly. Hands-on networking experience, router configuration skills, real ISP-level troubleshooting, and practical knowledge of infrastructure.