Online Stores & E-commerce · System & Network Administration
3
0
187
Linux & Unix · System & Network Administration
0
0
187
Senior Infrastructure Engineer / System Administrator (10+ Years of Experience)I design, deploy, and maintain server environments and network infrastructure. I take full ownership of the technical stack: from basic VPS configuration to building secure VPN tunnels and automating daily operations. I work autonomously without the need for micromanagement.Core Competencies:• OS & Servers: Linux (Debian, Ubuntu, CentOS), Windows Server. • Virtualization: Proxmox VE, KVM, Docker. • Networking & Security: Routing (BGP, OSPF), VPN (WireGuard, OpenVPN, IPsec), MikroTik, Firewalls (iptables), DDoS…
System & Network Administration · DevOps
1
0
185
Linux & Unix · System & Network Administration
23
0
184
Hi! I’m a developer and system admin with over 5 years of experience. I help projects stay secure, fast, and reliable.
Here’s what I can help you with: — Setting up and securing servers (Linux, Ubuntu, Nginx, Firewall)
— Building and configuring VPNs, proxies, and bot systems
— Automating tasks for your business
— Setting up websites on WordPress, MODX, or Tilda
— DDoS protection, filters, and security
My approach: — I treat your project like it’s my own
— I’m honest about what I can and can’t do
— I work fast and stay in touch
Let me know what you need — I’ll show you how I can help your…
System & Network Administration · DevOps
0
0
184
- Development, design, maintenance of the computer networks, computer equipment, network services, improvement and analysis of existing network, server, and service infrastructure;
- Users’ technical and software support;
- Setting up and maintaining Microsoft based operation systems WinXX, Windows Server 20XX;
- Setting up and maintaining Linux based operation systems Debian, Ubuntu, CentOS, and Unix-like FreeBSD;
- Administration of the: MTA(Dovecot, Postfix, Exim4, MS Exchange Server), FTP, SQL(MS SQL, MySQL, PostgreSQL, MongoDB), LAMP(Apache, Nginx, PHP), HAProxy, DNS, DHCP, NPS, DFS,…
Interior Design · System & Network Administration
2
0
183
️ Construction companies (RBP): architect. (Construction, reconstruction: interiors)
Advertising companies: artist
Educational companies: methodologist, distance learning expert [LMS Moodle_ instructional design, tutor] e-course developer_ Learning engineering Website layout and content ADVERTISING
I can perform the following projects:
Design_ redevelopment_ express design of residential and public premises - interior_ exterior Technical drawings of furniture and display cases for production Graphic design CG advertising, corporate identity, logo, banners... Development of distance LMS…
447 USD
1
802
Development of distance learning courses LMS
System & Network Administration
Development of distance learning courses for corporate and educational institutions. Administration of Moodle LMS/CMS.
Pedagogical design. Expertise of the distance course (methodological compliance of the course) - to order. The price depends on…
System & Network Administration · Bot Development
0
0
183
System & Network Administration · Cybersecurity & Data Protection
0
0
182
22 USD
0
1
Local networks, SSC
System & Network Administration
Installation, setting, accompaniment, repair of local networks, SKS
Work under contract and act of performed work with guarantee
7 USD
0
14
Antivirus activities
System & Network Administration
Virus removal, antivirus measures, licensing antivirus
System & Network Administration · AI Content Creation
0
0
182
HTML & CSS · System & Network Administration
0
0
181
System administrator with hands-on experience working with Linux servers, networks, and the automation of routine tasks.
I work with: Ubuntu/Debian, nginx (reverse proxy, SSL, virtual hosts), SSH hardening, Bash scripts, basic Docker, VirtualBox/VMware, nmap.
I have my own home lab where I constantly practice and test configurations in real-world conditions.
What I can do for you: Setting up a VPS/server from scratch Server security: SSH, fail2ban, firewall (ufw/iptables) nginx configuration: reverse proxy, SSL certificates, static websites Bash scripts: backups, automation, cron Basic network…