Informix Dba Engineer

Inetum; Lisboa; Presencial; EUR 60 000 - 90 000; Tempo integral

Resumo da oferta

Inetum in Lisbon is seeking an IBM Informix Database Engineer to join a production-focused service center supporting mission-critical database environments.

You will design Informix architectures, lead 24/7 on-call rotations, perform advanced L3 administration, optimize performance, and contribute to automation, CI/CD pipelines, and security hardening.

Qualificações

• 5–10+ years of production database administration with IBM Informix experience.
• Informix architecture, high availability, migrations, and large-scale operations.
• Experience in MSP/outsourcing environments is valued.
• Familiarity with Linux/AIX, OS troubleshooting, virtualization, and storage.
• Knowledge of Informix HA/DR technologies and backup/restore tools.
• Scripting and automation with PowerShell, Python, Bash and Ansible.

Responsabilidades

• Design and evolve Informix database architectures including HA/DR and replication.
• Perform advanced L3 administration and lead deep-dive incidents.
• Monitor and optimize performance with SQL tuning and indexing strategies.
• Define backup, restore, and disaster recovery plans with testing.
• Lead major changes, upgrades, migrations, and storage redesigns.
• Participate in 24/7 on-call rotation and coordinate with teams.
• Develop automation scripts and contribute to CI/CD pipelines.
• Enforce security policies, access controls, encryption, auditing.
• Produce runbooks and document architectures and procedures.
• Mentor junior DBAs and contribute in technical committees.

Conhecimentos

IBM Informix

HA/DR

Performance tuning

Automation

Linux/AIX

Scripting

CI/CD

On-call

English fluency

Team collaboration

Ferramentas

PowerShell

Python

Bash

Ansible

Descrição da oferta de emprego

Inetum is a European leader in digital services. Inetum's team of 28,000 consultants and specialists strive every day to make a digital impact for businesses, public sector entities and society. Inetum's solutions aim at contributing to its clients' performance and innovation as well as the common good. Present in 19 countries with a dense network of sites, Inetum partners with major software publishers to meet the challenges of digital transformation with proximity and flexibility. Driven by its ambition for growth and scale, Inetum generated sales of 2.5 billion euros in 2023. Job Description

We are looking for an IBM Informix Database Engineer to join a production-focused service center supporting mission‑critical database environments. This role is ideal for a highly skilled L3 specialist with deep expertise in Informix architecture, high availability, performance tuning and automation. You will ensure reliability and continuity across multi‑customer infrastructures, leading major changes, advanced troubleshooting and 24/7 operations.

Responsibilities

• Design and evolve Informix database architectures, including HA/DR, replication, storage layouts and hybrid deployment models;
• Perform advanced L3 administration, troubleshoot complex incidents and lead deep-dive analysis using Informix tooling;
• Monitor and optimize performance through SQL tuning, indexing strategies, statistics management and capacity tracking;
• Define and maintain backup, restore and disaster recovery strategies, including regular DR and failover testing;
• Lead major changes suchas upgrades, migrations, storage redesigns and HA/DR improvements, ensuring safe deployments;
• Participate in 24/7 on‑call rotation, handling critical incidents and coordinating with cross‑functional technical teams;
• Develop automation scripts and contribute to CI/CD pipelines to industrialize provisioning, patching and monitoring;
• Implement and enforce security policies, including authentication, privileges, encryption, auditing and compliance;
• Produce and maintain technical documentation (architectures, runbooks, procedures) and enrich internal knowledge bases;
• Mentor junior DBAs and act as a subject‑matter expert in technical committees and customer meetings.

Qualifications

• 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 analyticalmindset, ability to stay calm under pressure and perform effectively in on‑call situations;
• Excellent communicationskills 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.

Inetum is a European leader in digital services. Inetum's team of 28,000 consultants and specialists strive every day to make a digital impact for businesses, public sector entities and society. Inetum's solutions aim at contributing to its clients' performance and innovation as well as the common g...

Informix Dba Engineer Lisbon, Portuguese Republic, PT