@rajazainali
Linux Administrator at Tumarms who maintained Linux-based VoIP servers and is now studying battery materials and technology.
GermanyAt Tumarms, I configured and maintained Linux-based VoIP servers to support high availability and performance. I also diagnosed VoIP issues and carried out data filtering and validation.
I'm studying Battery Materials and Technology at the University of Bayreuth after completing a physics degree. My training also includes machine learning and deep learning, IT support, and system administration.
Work history, roles, and key accomplishments
Tumarms
Jun 2025 - Aug 2026 (1 year 2 months)
•Configured and maintained Linux-based VoIP servers to ensure high availability and optimal performance.
•Diagnosed and resolved VoIP-related technical problems, minimizing downtime.
•Data Filtering & Validation
Degrees, certifications, and relevant coursework
Bachelor's Degree, Physics
Final grade 3.02 CGPA Level in EQF EQF level 6
Master's Degree, Battery Materials and Technology
2026 -
IT Security: Defense against the digital dark arts
Dec 2025
Google IT Support Specialization
2025 - 2025
Artificial Intelligence (Machine Learning & Deep Learning)
2026 - 2026
Higher Seconday School Certificate , Pre-Engineering
2017 - 2019
Introduction to Cybersecurity
Apr 2025
Wireshark for Beginners: Capture Packets
Jun 2025
ISO/IEC 27001:2022 Lead Auditor
May 2025
Bachelor of Science - BS, Physics
2021 - 2025
Cyber Threat Management
Jun 2025
IELTS
Nov 2025 · Expires Nov 2027
The Bits and Bytes of Computer Networking
Dec 2025
Technical Support Fundamentals
Dec 2025
Operating Systems and You: Becoming a Power User
Dec 2025
Introduction to Structured Query Language (SQL)
Dec 2025
IT Infrastructure Monitoring with Open-Source Tools
Dec 2025
Accelerate Your Job Search with AI
Dec 2025
System Administration and IT Infrastructure Services
Dec 2025
Software and tools used professionally
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