GÅSSTRÖM SYSTEM SERVICES OY AB

Enterprise Infrastructure & Systems Engineering

Finnish limited liability company (Oy Ab) delivering deterministic, unvarnished engineering for core network, identity, and transport systems.

Core technical execution spans Firewall & Network Engineering, Microsoft 365 Tenant Hardening, Email Infrastructure & Delivery Hygiene, and Server Architecture.

Local control, zero SaaS abstraction, and direct engineering authority for critical operational environments.