Services

I design and operate Linux and Open-Source environments for exposed systems — not idealised ones. No tool stacking to “look modern”. Structural and effective choices. Explicit trade-offs.

Linux systems administration

Design, hardening and operational maintenance of critical IT infrastructures.

Network administration

Design, hardening and operational maintenance of critical IT infrastructures.

Software development

Software development: intranet, extranet, native system utilities for GNU/Linux, Windows and macOS.

IT maintenance

Operational maintenance and continuous improvement of systems and networks, based on a detailed analysis of risks and impacts.

IT support

Tier 1, 2 and 3 IT support for users and technical teams, via ticketing, remote assistance, remote maintenance or on-site intervention.

IT training

Advanced IT training in systems and networks for users and engineers, including knowledge transfer and collaborative practices.

Terms for an initial contact

An initial exchange by unencrypted email is tolerated for first contact purposes.
As soon as technical, contractual, or sensitive elements are involved, exchanges are conducted exclusively via encrypted email (OpenPGP).
Telephone or video calls are limited to non-sensitive discussions or used as a complement to a controlled written channel.