Systems Administrator (5TONIC Laboratory)

Deadline for receipt of applications: 31 December 2021, 14:00h Europe/Madrid Time

Position description

The IMDEA Networks 5TONIC Laboratory ( is looking to hire a Systems Administrator.

5TONIC was initiated by Telefonica and IMDEA Networks Institute with a clear vision to create an open research and innovation ecosystem laboratory in which industry and academia come together to boost technology and business innovative ventures.

The laboratory promotes joint project development, joint entrepreneurial ventures, discussion fora, events and conference sites, all in an international environment of the highest impact. 5TONIC will show the capabilities and interoperation of 5G equipment, services and applications, by leading global companies in the 5G arena. 5TONIC welcomes new members to join and gain from the benefits of an advanced research and innovation laboratory, oriented to research, debate, field-testing and demonstration of all technologies and equipment to support 5G communications, services and applications.

Main functions

Design and management of the lab infrastructure. Support to the deployment of new equipment in the lab: network elements, servers, transport infrastructure, etc. Configuration of 5G devices (smartphones, routers).

Administration of servers and virtualization platforms; backup solutions; storage systems; perimetral security solutions; remote access platforms; communications infrastructure (switching, VLAN, VPN); LDAP; high availability plans.

Support to the maintenance of the lab agenda. Support to the maintenance of the 5TONIC website.

Qualifications required

The candidate must have a strong knowledge in Computer Science, Electrical Engineering, Telematics Engineering or Telecommunications Engineering. A Master’s degree would be a plus.

Language requirement

The candidate must be knowledgeable in English and Spanish


The applicant should have a minimum of three years’ experience in a similar position.

Skills Required

  • Programming: Shell scripting: bash, desirable Python…
  • Network services: SSH (Open SSH), DHCP, LDAP (OpenLDAP), VPN (OpenVPN), FTP (Proftpd and Webdav), Client-server architecture knowledge, NFS, SMTP (Postfix)
  • Linux systems administrator
  • Virtualization: KVM. Desirable: Docker, SDN (Software-defined networking).
  • Monitoring: Check_MK, SNMP
  • Firewalls: Network level (iptables) and application level (Fortinet)
  • Security: SSL certificates. Desirable skills: IDS, forensic tools, security best practices, and Incidence response
  • Network equipment configuration: Switches and routers (NAT, DNAT, VLANs), and Wireless access points.
  • Documentation skills
  • Protocol analysis: Ethereal, Tcpdump, Wireshark
  • Testbed management and proof-of-concept/demo skills (e.g., GUIs and supporting applications)
  • Knowledge of mobile networks architecture and protocols desirable: RLC, PDCP, RRC, S1, X2, IP, UDP, TCP, HTTP protocols
  1. Remember to select the following option: Research Engineer & Support: [Systems Administrator] [5TONIC Laboratory] [2021]
  2. Deadline for receipt of applications: 31 December 2021, 14:00h Europe/Madrid Time
  3. If necessary choose as supervisor Ignacio BERBERANA