Oleg S.
System Administrator
More than 15+ year previous experience in Linux/Sysadmin/Hosting Design of High Availability/High-Performance services and architectures Ability to work flexible hours My primary experience (daily tasks) Server Setup/Migration/Transfer, Server Configuration, Server Optimization, Server Troubleshooting, Domain Registration, Domain Transfer, Domain Nameservers, Domain DNS Website Transfer, Website Migration SSL Install, SSL Renew, SSL Certificate Signing Request (CSR), SSL Let's Encrypt & Certbot Mail Transfer/Migration, Mail Delivery (SPF/DKIM/DMARC) Solid working knowledge of RPM/DEB based Linux Distributions: RHEL, CentOS, AlmaLinux, Rocky Linux, Oracle Linux, Fedora, Debian, Ubuntu, ArchLinux Experience with AWS EC2, AWS Lightsail, AWS RDS, AWS ROUTE53, AWS S3 Experience with RackSpace, DigitalOcean, Singlehop, Hetzner Dedicated, Hetzner Cloud, OVH, Godaddy Experience with Shared Hosting : JustHost, BlueHost, Hostgator, Godaddy, a2hosting, fatcow Experience with Control Panels: cPanel & WHM, Plesk, DirectAdmin, Virtualmin/Webmin, CWP (Control Web Panel) Software: Apache, Nginx, PHP-FPM, BIND, DHCP, Dovecot, Exim, Postfix, MySQL, iptables, ufw, CSF
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $946
Billed in all: $27,423$27k
$135 in the last 6 months
Across 9 contracts
Across 192 contracts
Earnings, last 30 days
Skill rankings: Top 20% in Amazon EC2
Ranked by MRR among everyone on Upwork with the skill.
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- #57CentOS243 freelancers · 🇺🇦 #7Top 23%🇺🇦#7 of 18
- #62SSL291 freelancers · 🇺🇦 #8Top 21%🇺🇦#8 of 14
- #124Ubuntu544 freelancers · 🇺🇦 #11Top 23%🇺🇦#11 of 31
- #134Domain Migration394 freelancers · 🇺🇦 #3Top 34%🇺🇦#3 of 9
- #191cPanel741 freelancers · 🇺🇦 #7Top 26%🇺🇦#7 of 18
- #232Cloudflare636 freelancers · 🇺🇦 #19Top 36%🇺🇦#19 of 33