Job
In this role, you will be responsible for Linux systems, develop security concepts, manage firewalls and SIEM, automate processes, and optimize infrastructure services.
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Job technologies
Your role in the team
- You assume technical responsibility for Linux-based platforms (Debian, Ubuntu, SUSE, Rocky) - from architecture to lifecycle.
- They assist in the development and operation of secure IT infrastructures (hardening, baselines, logging, alerting, access concepts).
- Work with OPNsense firewalls as well as implementation of security rules and policies.
- They are involved in the implementation of API security with APISIX.
- Operation and further development of the SIEM system (Wazuh) including analysis of security events.
- You are responsible for the operation and further development of the DNS infrastructure (PowerDNS).
- You will handle PKI, SSL, and certificate management, including CLM and ACME automation.
- Implementation and operation of IAM and PAM solutions.
- They assist with security analyses, hardening measures, and audits.
- Documentation of systems, automation of processes, and continuous optimization of workflows.
Our expectations of you
Qualifications
- Strong expertise in IT security (network, systems, identities, certificates, logging/monitoring).
- Proven experience with several of the following topics:
- Linux: Debian/Ubuntu/SUSE/Rocky (Troubleshooting, Performance, Hardening, Lifecycle).
- OPNsense & Firewall Design (Policies, Segmentation, Operating Models).
- API Security / API Gateway (preferably APISIX).
- SIEM (preferably Wazuh) including use-case design and alert quality.
- DNS operation including PowerDNS.
- PKI, TLS/SSL, CLM, ACME.
- IAM and PAM (Roles/Permissions, privileged access, auditability).
- Knowledge of automation and scripting (e.g., Bash, Python, Ansible) is advantageous.
- Very good German and English skills are a prerequisite.
Experience
- Several years of solid experience in managing demanding to critical Linux infrastructures.
What we offer
- Varied work area.
- Comprehensive onboarding and continuous development.
- Dedicated and family-oriented team.
- Permanent employment with flexible working hours.
- Central location with good public transport connections.
- Mobile working, if it fits the position and the person (function-dependent).
- Fully employer-funded occupational pension scheme after the probation period.
Benefits
Work-Life-Integration
Topics you will work on
Job locations
About your employer
PFALZKOM ist ein ITK Service Provider für Businesskunden. Neben dem eigenen, regionalen Glasfasernetz unterhält das Unternehmen mehrere Rechenzentren in der Metropolregion Rhein-Neckar. Auf Basis modernster Technologien bietet PFALZKOM maßgeschneiderte Lösungen in den Bereichen IT-Consulting, Colocation, Managed Services und Cloud-Dienste.
- Established Company
- Onsite, Hybrid
- Internet, IT, Telecommunication
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