Senior AIX Developer / Systems Engineer, Operations

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🕒 September 20, 2025

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CGF CounselGroupFrankfurt AG

WebsiteLinkedInAll Job Openings

201 - 500 employees

🤝 B2B

🔒 Cybersecurity

☁️ SaaS

B2B • Cybersecurity • SaaS

CGF CounselGroupFrankfurt AG is a global IT consulting firm with over 200 consultants dedicated to providing tailored IT solutions. The company prides itself on a solutions-oriented service model that focuses on delivering business value. CGF specializes in the implementation of industrial Internet of Things (IIoT) communication systems that enhance production efficiency. Furthermore, they offer comprehensive IT security solutions to protect information systems and data. CGF is also known for their responsive IT support services, providing first, second, and third-level support remotely or on-site.

📋 Description

• Design and implementation of AIX system architectures with a focus on scalability, security, and high availability • Development of Bash, KornShell, and Python scripts for automating system administration processes • Creation of adjustments and system extensions in close coordination with application development • Integration of new hardware and software solutions into existing AIX environments • Administration and operation of complex AIX production systems including LPAR/DLPAR management • Management and optimization of PowerVM, VIOS, and HMC configurations • Planning and execution of patching and upgrade processes • Proactive monitoring and performance optimization • Incident analysis, troubleshooting, and incident management in line with ITIL standards • Implementation of security hardening measures (e.g., CIS benchmarks, RBAC configurations) • Creation and maintenance of backup and recovery concepts • Support during audits and implementation of regulatory requirements (e.g., ISO 27001, GDPR) • Technical consulting and support for projects in the AIX environment • Close cooperation with storage, network, and application teams • Preparation of detailed technical documentation and operational manuals in German

🎯 Requirements

• Several years of experience in AIX administration (version 7.x and above) • Strong knowledge of IBM Power Systems and PowerVM • Experience in shell scripting (KSH, Bash) and automation • Knowledge of HMC, VIOS, NPIV, SEA configurations • Experience with backup and restore strategies (e.g., mksysb, savevg) • Basic knowledge of SAN and network architectures • Experience in performance tuning and troubleshooting • Experience with LPAR/DLPAR management • ITIL knowledge and experience in structured incident, problem, and change management • Experience with automated deployment and monitoring tools • Strong conceptual and analytical skills • Excellent German skills, spoken and written (at least C1) • Good English skills for international project work