5–10+ years of experience in production database administration, with strong hands‑on expertise in IBM Informix;
Solid background in Informix architecture, high availability, migrations, performance tuning and large‑scale database operations;
Experience working in multi‑customer or service‑center environments (MSP/outsourcing) is highly valued;
Advanced knowledge of Informix engine components (dbspaces, chunks, logs, onstat/onmode/oncheck tooling, sysmaster/sysadmin);
Strong expertise in Informix HA/DR technologies (HDR, RSS, SDS, Enterprise Replication, Connection Manager);
Proven skills in performance tuning: query plan analysis, SQL optimization, indexing, fragmentation and statistics management;
Solid understanding of backup/restore mechanisms (ON‑Bar, ontape, logical logs, dbexport/dbimport) and complex recovery scenarios;
Good knowledge of Linux/AIX environments, OS‑level troubleshooting, virtualization (VMware) and storage architectures (SAN/NAS);
Experience with scripting and automation (PowerShell, Python, Bash, Ansible) and contribution to CI/CD pipelines;
Strong analytical mindset, ability to stay calm under pressure and perform effectively in on‑call situations;
Excellent communication skills and ability to collaborate with cross‑functional technical teams;
Organized, autonomous, customer‑oriented and comfortable working in demanding, SLA‑driven environments;
Fluent English required; French or Dutch are considered a plus.
