3x Linux System Administrators – Maastricht (NL)

For our client – European Agency 

We are looking for 3x Linux System Administrators 

(Hybrid D2D + R‑Duty Support)

You will work closely with the SOV (Storage, Operating Systems & Virtualisation) and OIT teams to ensure the stability, security, and continuous operation of critical infrastructure.

This role blends hands‑on Linux engineering, helpdesk/ops responsibilities, and participation in a 24/7 on‑call duty.

 
Key Tasks and Responsibilities

D1 – Day‑to‑Day Linux Administration Support

  • Provide first‑ and second‑level support for Linux-based systems (production + development).
  • Troubleshoot issues related to servers, OS, networking, virtualisation, and container platforms.
  • Handle user requests, access management, permissions, and system configuration changes.
  • Monitor system health, respond to alerts, and ensure high system availability.
  • Perform routine maintenance: patching, log management, updates.
  • Document procedures, fixes, and update internal knowledge base.
  • Escalate complex incidents to senior engineers when required.
  • Provide helpdesk support to the OIT team up to 2 days per week.
  • Participate in continuous improvement, training sessions, and documentation upkeep.
 

D2 – Reserve Duty (R‑Duty) 24/7 Support

The assignment includes additional, compensated on-call services:

  • Participate in the R‑Duty roster, providing standby support for selected critical systems.
  • Deliver fast incident response (max. 1‑hour reaction time) following predefined procedures.
  • Cover one of the following rotation types depending on roster:
    • Full R‑Duty Week: Mon 16:00 → next Mon 09:00
    • Weekly R‑Duty Nights: Mon–Thu 16:00 → 09:00
    • Weekend R‑Duty: Fri 16:00 → Mon 09:00
  • Cooperate closely with the SOV/OIT teams for rapid issue resolution.

Required Profile and Experience

Mandatory Technical Requirements (per candidate)

Education & Certifications

  • Bachelor’s degree in ICT or relevant engineering field
    OR 6+ years of professional Linux administration experience.
  • Certifications: LPI (or equivalent), CKA.

Experience – Minimum 3 years each in these 4 domains

  1. Linux Administration
  2. Virtualisation (VMware, AHV)
  3. Containerisation (Podman, Kubernetes)
  4. Certificate Management

Experience – Minimum 3 years each in these 7 domains

  • ClearCase
  • Ansible
  • SELinux
  • Red Hat IDM
  • LDAP
  • Active Directory
  • Red Hat or SUSE ecosystems

Additional Required Experience

  • 3+ years with a Linux patch manager (e.g., SUMA)
  • 2+ years with Terraform automation for Red Hat deployment
  • 1+ year with CommVault or Rubrik backup
  • 1+ year with repository management (e.g., Nexus)
  • 1+ year working with GitOps principles (e.g., FluxCD)

Language Requirement

  • English proficiency: Listening C1 / Reading B2 / Writing B2 / Speaking C1

Soft Skills & Personal Attributes

  • Strong troubleshooting and analytical abilities.
  • Comfortable working in high‑availability, mission‑critical environments.
  • Excellent communication and collaboration with engineering teams.
  • Structured documentation habits.
  • Ability to operate under pressure (especially during R‑Duty).
  • High accountability and reliability (critical for 24/7 rotation).

 

Service delivery: On-Site Maastricht


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