You're seeing this page as if you were . The main menu is still yours, though. Exit from immersion
Jérémy SanchezJS

Jérémy Sanchez

Linux System Administrator

€450/day
Angers, FR
15+ years

Average response time: 1 hour

Freelancer profile translated to English.
Back to original language

About Jérémy

Freelance Linux System Administrator – 18 years of experience


I support freelancers, SMEs, and local authorities in implementing simple, secure, and sustainable solutions based on open-source tools.

I primarily work with Debian/Ubuntu distributions, with a proven approach to IT management: stability, performance, security, clear documentation, and reproducible configurations.

---

Services offered:

• Linux server configuration (Debian/Ubuntu)
• Virtualization with Proxmox VE
• Implementation of monitoring solutions (Zabbix, Cockpit, Monit, Nagios)
• Deployment of secure email solutions (Proxmox Mail Gateway, Postfix, Dovecot, DKIM, SPF, DMARC, MTA-STS)
• Backup solutions (BackupPC, Proxmox Backup Server)
• Security hardening (Iptables firewall, Fail2ban, best practices)

I work exclusively remotely, on client servers (no hosting from my infrastructure).

---

Starter offers: short, testable missions with no commitment:

Express Linux Audit – starting from €180 excl. VAT
→ 2 hours of analysis of your Linux server + recommendations report based on your needs.

Starter Pack Proxmox – starting from €390 excl. VAT
→ Installation of a Proxmox host + 1 VM + snapshot configuration + backup with Proxmox Backup Server on another physical server.
→ Possibility of adding VMs, advanced configuration, or cluster on quote.

Secure Email – on quote
→ Complete mail server with antispam, antivirus, enhanced authentication, DNS security.

Each service is tailored to your context after an initial discussion. I adapt to your technical priorities and production constraints.

---

For more comprehensive projects or ongoing support, my daily rate is €450 excl. VAT.
It can be adjusted based on the nature of the mission, its duration, and the expected level of expertise.
  • French

    Native or bilingual

  • English

    Fluent

Remote only
Primarily works remotely

Experience

  • Cognix Systems
    Linux System Administrator
    DIGITAL AND IT
    June 2022 - Today (4 years and 2 months)
    Angers, France
    Linux system administrator specializing in IT management of servers and virtual machines for clients with high demands for stability, performance, and security.

    My expertise primarily focuses on Debian/Ubuntu systems, virtualization under Proxmox (standalone or clustered), and the design of optimized LHAMP stacks.

    Strongly committed to open source, I favor free, sustainable, and cost-effective solutions.
    My daily goal: to provide responsive, scalable, and customer-satisfaction-oriented service.
    Proxmox Debian Client infrastructure manager LHAMP Virtualization
  • Nameshield Group
    Linux System Administrator
    DIGITAL AND IT
    October 2007 - June 2022 (14 years and 8 months)
    Angers, France
    At Nameshield, I performed the following tasks:
    ➤ Worked within a team of system and network administrators
    ➤ Administered Linux Servers & PCs (Debian, CentOS, Ubuntu)
    ➤ Updated, upgraded, and maintained the IT infrastructure
    ➤ Hardware/network maintenance in data centers
    ➤ Cybersecurity training at Sysdream
    Linux Debian security-awareness-training Technical expertise Virtualization Proxmox

Recommendations

Be the first to recommend Jérémy

Help this freelancer shine by sharing your experience working together.

These freelancer profiles also match your criteria

AgathaA

Agatha Frydrych

Backend Java Software Engineer

4.7

(3)

2

BaptisteB

Baptiste Duhen

Fullstack developer

4.6

(4)

5

AmedA

Amed Hamou

Senior Lead Developer

4

(2)

7

AudreyA

Audrey Champion

Web developer

4.3

(3)

4

Education

  • License in Systems and Networks
    CNAM Angers
    2008

Skill set

Categories