Informix DBA engineer
Core
Design and evolve IBM Informix database architectures, ensuring reliability and continuity across multi-customer infrastructures through advanced administration, performance tuning, and disaster recovery.
Role type
Senior L3 IBM Informix Database Engineer
Builds
Mission-critical database environments for multi-customer service centers
Domain
Enterprise Database Administration (IBM Informix)
Deliverable
production ML models | product features | dashboards & analysis | infrastructure
Required skills
IBM Informix architecture, high availability (HDR, RSS, SDS), performance tuning, SQL optimization, backup/restore strategies, Linux/AIX administration, automation scripting, disaster recovery planning
Preferred skills
Multi-customer service center experience, virtualization (VMware), storage architectures (SAN/NAS), CI/CD pipeline contribution
Technologies
IBM Informix, ON-Bar, ontape, dbexport/dbimport, onstat, onmode, oncheck, sysmaster, sysadmin, HDR, RSS, SDS, Enterprise Replication, Connection Manager, Linux, AIX, VMware, SAN, NAS, PowerShell, Python, Bash, Ansible
Responsibilities
Design and evolve Informix database architectures including HA/DR and replication; Perform advanced L3 administration and lead deep-dive analysis for complex incidents; Monitor and optimize performance via SQL tuning and indexing; Define and maintain backup, restore, and disaster recovery strategies; Lead major changes such as upgrades, migrations, and storage redesigns; Participate in 24/7 on-call rotation for critical incidents; Develop automation scripts and contribute to CI/CD pipelines; Implement security policies and produce technical documentation; Mentor junior DBAs and act as a subject-matter expert
Seniority
Senior, hands-on IC