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Experienced Linux/Plesk Admin Needed – CentOS 7 → AlmaLinux Migration

FreelanceJobs
Full Timemid
CAPosted March 8, 2026

Job Description

I am looking for an experienced

Linux system administrator with Plesk expertise to perform a safe operating system upgrade on an existing VPS server.

The goal is to migrate

CentOS 7 (EOL) → AlmaLinux while keeping all services fully functional.

Current server environment

  • Hosting provider:

IONOS VPS

  • OS:

CentOS Core) – EOL

  • Control panel:

Plesk Obsidian

  • Websites: ~15 domains
  • Email hosted on server (

Postfix / Dovecot)

  • PHP version installed:

PHP 8.2.30

  • Database:

MariaDB 5.5.68

  • Mixture of

WordPress and static websites

  • One site runs

ProjectSend cloud file-sharing system installed in a subdirectory of a WordPress site

Required tasks

The migration should follow best practice and maintain full service continuity.

Expected work:

  • Review current server environment and compatibility
  • Ensure

backup / snapshot strategy before upgrade

  • Upgrade

MariaDB 5.5 → supported version (e.g

  • Perform

CentOS 7 → AlmaLinux migration using AlmaLinux ELevate

  • Verify

Plesk functionality

  • Verify

websites and databases

  • Verify

mail services (SMTP / IMAP / Postfix / Dovecot)

  • Verify functionality of

WordPress sites and ProjectSend installation

  • Confirm

server stability after migration

The server hosts active websites and email accounts, so the upgrade must be handled carefully with

minimal downtime.

Access

You will receive:

  • SSH admin access (sudo privileges)
  • Plesk administrator login

IONOS account access will

not be provided.

Required experience

Please apply only if you have experience with:

  • CentOS → AlmaLinux migrations
  • AlmaLinux ELevate tool
  • Plesk Obsidian servers
  • MariaDB upgrades
  • Linux VPS administration via SSH
  • Email servers (Postfix / Dovecot)

Screening question

Please begin your proposal with the word

"ELevate" and briefly describe the

backup and rollback strategy you would use before performing the CentOS → AlmaLinux migration.

Please briefly confirm:

  • Have you performed

CentOS 7 → AlmaLinux migrations on Plesk servers before?

  • Do you normally use

AlmaLinux ELevate for this process?

  • Have you upgraded

MariaDB 5.x to newer versions on production servers?

Budget:

open to reasonable fixed price for the migration.

Contract duration of less than 1 month. with 30 hours per week.

Mandatory skills:

Linux System Administration, Plesk, Virtual Private Server

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