Senior Linux System Administrator

Mozantech is a tech company from Porto specialized in web digital experiences. Our team delivers high‑tech solutions, consulting, turn‑key projects, and nearshoring. We develop projects for different markets such as banking, finance, insurance, industry, networks, telecommunications, services, utilities, and distribution.

If you're passionate about system reliability, automation, and working in large‑scale environments, we’d love to hear from you.

As a Senior Linux System Administrator, you will:

• Manage, maintain, and monitor Linux servers and applications (RHEL, Cent
  OS).
• Handle system deployment, patching, and configuration management.
• Perform system and security audits, vulnerability assessments, and propose mitigation strategies.
• Troubleshoot performance issues and ensure high availability.
• Support users and IT teams with technical guidance and issue resolution.
• Document configurations, processes, and procedures for knowledge sharing.
• Participate in on‑call rotations and provide after‑hours support when needed.

What You Bring

Technical Skills

• Bachelor’s degree in Computer Science, IT, or related field.
• 3+ years of experience in Linux system administration (preferably in banking/finance).
• Strong knowledge of LVM, virtualization (VMware), and containerization (Podman, Docker, Kubernetes, Openshift).
• Familiarity with network protocols, firewalls, load balancing.
• Experience with storage solutions (SAN, NAS).
• Proficiency in scripting (Bash, Python, Perl) and automation tools (Ansible Tower/Automation Platform).
• Experience with Git/Bitbucket and configuration management.
• Understanding of ITIL principles and working in ITIL environments.
• Certifications like RHCSA/RHCE are a plus.

Soft Skills & Other Requirements

• English level B2 (mandatory); French is a plus.
• Strong communication, analytical, and organizational skills.
• Fast learner, adaptable, and team‑oriented.
• Availability for on‑call duty (mandatory).

Why Mozantech?

• Work in a high‑impact infrastructure team with international scope.
• Be part of a fast‑growing, collaborative environment.
• Engage in challenging projects for top‑tier clients.
• Grow your career with continuous learning and development opportunities.

Ready to Apply?

Submit your application via https://mozantech.com/#/ or reach out directly for more information.

Seniority Level

• Mid‑Senior level

Employment Type

• Full‑time

Job Function

• Information Technology

Industries

• Software Development

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