Unix System Administrator – High-Security IT Operations (m/f/d)

Data-Warehouse GmbH; Ottobrunn; Vor Ort; EUR 70.000 - 95.000; Vollzeit

Benefits dieser Stelle

Meal allowance

On-site training

Zusammenfassung

Data‑Warehouse GmbH seeks a Unix System Administrator to operate high‑security IT environments near Munich. You will manage Unix/Linux systems (Red Hat), apply patches, perform backups, and document procedures.

The role is on‑site due to security requirements, with occasional after-hours work. Strong troubleshooting, security mindset, and willingness to obtain certifications are essential.

Qualifikationen

• Unix/Linux system administration expertise (RHEL8/9).
• Strong troubleshooting for Unix/Linux systems.
• Experience with incident/change management and CMDB/ticketing.
• RHCE or similar certification is an advantage.
• Good written and spoken English.

Aufgaben

• Administer Unix/Linux operating systems, troubleshoot and install.
• Maintain security policy compliance, patching, vulnerability remediation.
• Perform backups and recovery using NetBackup.
• Hardware management including racking and network attachment.
• Document architecture, procedures, and runbooks.

Kenntnisse

Unix/Linux admin

Troubleshooting

English proficiency

RHCE or similar

Ausbildung

IT-related Bachelor/Master

Tools

Rancher

VMware

KVM

Windows Server

Jobbeschreibung

Unix System Administrator – High‑Security IT Operations (m/f/d)

Ottobrunn

Information

• Permanent full‑time position
• Immediate start
• On‑site role due to security requirements
• Security clearance required or willingness to go through the process

Help operate IT systems where reliability and security truly matter.

At Data‑Warehouse GmbH, you will work in high‑security, mission‑critical IT environments where stable systems, precise operations, and a strong security mindset are essential.

We are looking for a Unix System Administrator (m/f/d) with a strong hands‑on mentality, solid troubleshooting skills, and the motivation to keep complex IT environments secure, reliable, and well‑documented.

You will join an experienced international team and contribute to systems that support demanding stakeholders and security‑sensitive projects.

Your role

In this position, you will support the operation, administration, and continuous improvement of Unix/Linux‑based systems, primarily in Red Hat environments.

Your responsibilities include:

• Administer Unix/Linux‑based operating systems, including troubleshooting, installation and setup.
• Maintain compliance with security policies, including patch management and vulnerability remediation.
• Perform backups and recovery using tools such as Netbackup.
• Basic hardware management including racking, card/disk replacements, attaching to network(s), etc.
• Installing third‑party software following provided instructions.
• Document architecture, procedures, and operational guidelines for system administration.
• Willingness to learn and acquire new skills (including relevant certifications).
• Willingness to work in a rotation system (to cover the service hours) and to work outside working hours (usually one Saturday per month).

Your profile

• Strong expertise in Unix/Linux system administration (RHEL8, RHEL9, or similar).
• Strong troubleshooting skills for Unix/Linux systems.
• Working with a ticket system for incidents, problems, change management and configuration management.
• Certifications such as RHCE (Red Hat Certified Engineer) or similar is an advantage.
• Good knowledge of English—spoken and written.

Nice to have

• IT related Bachelor or Master degree
• Knowledge of ITIL
• Ability to Shell Script
• Knowledge of Container Technology, especially Rancher
• VMWare/KVM knowledge
• Windows Server knowledge

What makes this role special

This is not just another system administration role.

You will work in an environment where your contribution has real impact: systems need to be secure, available, well‑maintained, and compliant. Your work helps ensure that critical IT infrastructures remain stable and trustworthy.

At the same time, you will have the opportunity to deepen your technical knowledge, gain experience in high‑security environments, and develop further through targeted training and certifications.

What we offer

• Permanent employment in a stable, owner‑managed German IT company
• Competitive salary and performance‑based bonus
• Work on high‑security IT and cybersecurity‑related projects
• Individual training and development, including certification opportunities
• German courses, if needed
• Relocation support
• Meal allowance through our on‑site cafeteria
• Sports and fitness benefits, including company football every two weeks
• A working environment based on trust, responsibility, and long‑term cooperation

Due to the sensitive nature of our projects and the compliance requirements of our stakeholders, this position is fully on‑site in the north of Munich. Remote work is not possible.

A security clearance is required. Candidates should either already have the necessary clearance or be willing to go through the process.

Hiring process

Initial remote interview > On‑site interview in Munich > Offer > Security clearance process

How to apply

Apply easily — no cover letter required.

Please send us: your CV (in English), earliest possible start date, salary expectations, relevant certificates, if available.

No applications from staffing or recruitment companies accepted.

Data‑Warehouse GmbH is an owner‑managed German IT company with 35+ years of experience in cybersecurity, information management, software development, and process optimization.

We deliver solutions for high‑security environments and combine technological excellence with long‑term project expertise.

We support people who take on responsibility, expand their knowledge, and want to develop innovative IT solutions together with us — in an environment where trust, personal responsibility, and a genuine handshake count.