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# System Administrator H/F

- **Company:** UNI
- **Location:** Vallauris, France
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Apache HTTP Server, VoIP, Continuous Integration, Linux, Message Transfer Agent, Monitoring of Systems, Internet Protocol Security (IP SEC), Intrusion Detection Systems, Virtual Private Networks (VPN), Lightweight Directory Access Protocols (LDAP), MariaDB, MySQL, Nagios, Nginx, OpenVPN, Remote Access Technology, Bacula, Reverse Proxy, Software Deployment, Zabbix, Snort (Software), Load Balancing, System Availability, Sonicwall, Firewalls (Computer Science), Postfix, Network Server, Jenkins
- **Published:** August 15, 2026
- **Apply:** https://www.studyrama-emploi.com/tracking_jd.php?id=1377650&mg_id=0&redirect=2

## About the Role

1. Expert in Linux OS administration;
2. Good understanding of firewall concepts and security (SonicWALL): load balancing and reverse proxy, VPN and QoS;
3. Good understanding of IDS/ IPS systems (SonicWALL and Snort);
4. Good understanding of high availability and load balancing (HA proxy, keepalived and DRBD);
5. Good understanding of VPN technologies (OpenVPN and IPsec);
6. Excellent knowledge of server virtualization: VMware (vCenter cluster);
7. Understanding of storage systems SAN (Dell Equallogic);
8. Experience in Apache and Nginx;
9. Good understanding of mail servers (Dovecot, Postfix and Zimbra);
10. Good understanding of MySQL database such as MariaDB Galera Cluster;
11. Good understanding of monitoring systems (Zabbix and Nagios);
12. Experience with Ldap servers (Open Ldap and OpenDJ);
13. Experience with continuous integration and code deployment (Jenkins);
14. Good understanding of VoIP (Asterisk);
15. Experience with backup (Veeambackup and Bacula);
16. At least 5 years of experience in a relevant field, 1. Motivated, autonomous, rigorous person with a team spirit and sense of organization;
2. Passion for challenges; willingness to share his/ her knowledge and expertise with others and acquire new skills.

## Description

HayTech Solutions is looking for a Senior System Engineer capable to contribute vigorously to the development of the Company's range of services throughout the international territory. Reporting to the Company's IT department the incumbent will be responsible for the administration and support of servers, security management.


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