$ cv --online
Tom Siddle
Junior Systeembeheerder
Linux / Infrastructure / Networking
profile
Technical professional with practical experience in application support, telecom and network infrastructure, and data installation, deliberately transitioning into system administration. I am actively building Linux, networking and system-administration knowledge in my own homelab.
Independent investigation, responsibility, clear communication and documenting solutions are central to how I work.
technical_core
Linux / administration
Ubuntu Server & Desktop, Bash, SSH/SFTP, APT, processes, users, permissions, filesystems, systemd, logs, LUKS.
Networking
TCP/IP fundamentals, LAN/WAN, DHCP, routing, NAT, remote connectivity, UTP, Wi-Fi, Netplan, systemd-networkd.
Workplace / applications
Windows use and support, Microsoft Word/Excel, Remote Desktop, Magister administration.
Troubleshooting
Observe, form hypotheses, isolate subsystems, use logs and documentation, verify the result.
In development
Microsoft 365/Azure administration, Windows Server/Active Directory, 3CX/VoIP and hosting administration.
relevant_experience
- Configured an encrypted Ubuntu Server and administer it remotely via SSH/SFTP.
- Investigated network issues using tools and evidence around IP configuration, networkctl, Netplan, DHCP, routing and logs.
- Practically investigated systemd services/socket activation, processes, permissions and package management.
- Public CV infrastructure project in progress: VM, web server, HTTPS and minimal exposure are staged portfolio objectives.
- Assisted with school-year transitions under the final responsibility of a senior administrator.
- Managed and checked grade columns, students/classes and PTO/PTA structures.
- Investigated reports from teachers and regularly resolved issues independently.
- Supported technical classrooms, equipment, supplier contact and documentation.
- UTP data cabling, Wi-Fi points and termination at industrial and utility sites.
- Checked, configured and registered point-to-point radio sets; worked with Cisco and radio equipment.
- Used Remote Desktop in a Tele2 environment for asset and stock registration.
- Independent planning, client communication, expectation management and technical problem solving.
- Responsible for quality, materials, costs and delivery.
why_this_transition
My background is broader than that of a conventional IT starter. I want to bring together practical technical work, client communication, independent problem solving and my recent Linux and networking study in a junior administration role.
education_and_qualifications
- VWO diploma — ROC Nijmegen (2001)
- MTS Electrical Engineering — ROC A12, Ede (2012–2013, not completed)
- BSc Soil, Water and Atmosphere — Wageningen University (2001–2003, not completed)
- Driving licence B
- VCA-VOL
- Dutch: native
- English: very good command / raised bilingual
current_learning_focus
Deepen Microsoft 365 and Azure administration in practice; exercise Windows Server and Active Directory in labs; build a foundation in 3CX/VoIP and hosting administration; continue professionalizing the existing Linux and networking base.
The downloadable PDF is the dark Ubuntu Terminal CV. This online version is intentionally presentation-neutral, but the factual content is kept aligned with the PDF.