How would it be like to work as a Linux System Administrator with us?
The Linux System Administrator is the technical lead for Linux infrastructure projects within the IT Production team and an active contributor to day-to-day IT operations. You will provide Level 2 support for Linux environments managed by GTS for its customers, alongside installing, configuring and maintaining those systems.
You will combine hands-on, day-to-day Level 2 operational support with Linux infrastructure project work, from analysis and solution design through implementation and continuous improvement. You will collaborate with Service Delivery and the Network Operations Center, work directly with customers, and contribute your expertise to reliable and secure infrastructure.
- Provide day-to-day Level 2 support as part of IT Operations, resolving and coordinating Linux-related incidents, Service Requests and Change Requests through their lifecycle.
- Lead or contribute to Linux infrastructure projects, including requirements analysis, design, implementation and service transition.
- Install, configure, administer and troubleshoot Linux servers and related services in customer environments.
- Improve performance, availability, capacity and operational reliability; investigate incidents and provide expert escalation support.
- Automate service implementation and infrastructure monitoring using appropriate scripting and configuration practices.
- Maintain operating systems and installed software, apply security updates, and implement hardening in line with security best practices and customer requirements.
- Create and maintain clear technical documentation, operating procedures and service records.
- Work with customers and internal teams on technical decisions, redesigns and service improvements; contribute to pre-sales discussions when needed.
How do we picture you?
You have hands-on Linux systems administration experience and can support production environments independently. You are comfortable diagnosing issues across operating systems, services, networking and infrastructure.
Core technical skills:
- Linux administration across distributions such as Red Hat Enterprise Linux, CentOS, Ubuntu, Debian and SUSE.
- Linux security hardening, patching and secure configuration; Linux firewall administration using tools such as nftables, firewalld or iptables.
- Web server administration with Nginx and Apache HTTP Server.
- Administration and troubleshooting of MySQL and PostgreSQL databases running on Linux.
- Container technologies: Docker and Kubernetes (K8s), including deployment and operational troubleshooting.
- Virtualization platforms: VMware and Proxmox VE.
- WHM/cPanel administration.
Technical experience:
You will work across a broad range of Linux services and customer environments.
Additional infrastructure and services
- Storage: RAID, LVM, NFS, CIFS/SMB and iSCSI.
- High availability and load balancing: HAProxy, Corosync and Pacemaker.
- DNS services such as BIND and PowerDNS; familiarity with other DNS implementations is useful.
- Mail services such as Postfix, Exim, Sendmail, Qmail, Dovecot or Courier.
- File transfer and remote access services such as vsftpd, Pure-FTPd, OpenVPN and SSH.
- Core protocols and services including DHCP, TFTP, NTP, DNS, HTTP, FTP, SMTP, POP3 and IMAP.
Useful experience:
- Scripting and automation with Bash, Python or Perl.
- Experience with additional hosting control panels such as Plesk or Virtualmin.
- Exposure to other hypervisors or virtualization technologies such as KVM or Xen.
How you work:
- You are organized, detail-oriented and able to prioritize competing tasks in a fast-paced environment.
- You communicate clearly and build effective working relationships with customers and colleagues.
- You enjoy analysis and troubleshooting, take ownership of outcomes, and keep learning as technologies evolve.
- Last but not least, you are fluent in English 😊.


