Informix DBA (Database Administrator)

NexGen is currently seeking a senior-level Informix DBA (Database Administrator) to provide operational leadership and technical oversight for mission-critical financial systems. This role is responsible for ensuring the stability, accuracy, and audit readiness of Informix database environments that support financially sensitive, revenue-impacting transactions. The ideal candidate possesses deep expertise in IBM Informix and demonstrates operational leadership within complex, high-availability production environments. The individual will work collaboratively with NexGen and client stakeholders, including subject matter experts, technical teams, and project management personnel, to support operational objectives and compliance requirements. Supervisory Responsibilities

• There are no supervisory responsibilities.

Essential Duties and Responsibilities (as assigned) Database Administration & Operations

• Install, configure, and administer IBM Informix database software and environments across development, test, and production platforms in accordance with established standards.
• Monitor database health, performance, and capacity to ensure continuous and reliable support of collections and billing operations; proactively identify, analyze, and implement preventive or corrective actions as needed.
• Perform routine and scheduled database maintenance activities, including backup and recovery operations, data archiving, and data lifecycle management, to ensure data integrity and availability.
• Plan, coordinate, and implement database upgrades, patches, and configuration changes in a controlled manner to minimize operational risk and business disruption.
• Demonstrate strong proficiency with Data Definition Language (DDL) and Data Manipulation Language (DML) commands to support schema management and data operations.
• Develop and maintain complex scripts and ETL processes to support data integration, transformation, and operational workflows.

Performance & Reliability

• Create and/or tune SQL, PL/SQL, UNIX shell scripts, indexing, and storage structures to support high volume transactional processing and reporting.
• Troubleshoot performance degradation, blocking/locking issues, and data growth challenges.
• Implement and test high availability, disaster recovery, and backup strategies to ensure fiscal period resiliency.

Data Integrity, Compliance & Security

• Safeguard the accuracy and integrity of financial and customer data.
• Implement and enforce access controls, auditing, and data protection best practices.
• Support internal and external audits by providing database evidence, extracts, and technical documentation.
• Ensure compliance with regulatory, financial, and corporate governance requirements.
• Review weekly system vulnerability reports and support the triage, prioritization, and mitigation of identified findings.

Application & Business Support

• Collaborate with developers and application teams on schema changes, stored procedures, CRON and batch jobs.
• Support billing cycles, invoicing runs, collections processing, and reporting workloads.
• Participate in change management, release readiness, and post implementation validation.
• Provide on call or after-hours support

Documentation & Continuous Improvement

• Maintain operational documentation, including standard operating procedures and fiscal close runbooks.
• Automate recurring administrative and fiscal processes where feasible.
• Identify opportunities to reduce risk, improve performance, and enhance fiscal period execution.

• 5+ years of experience administering IBM Informix databases in production.

• Strong SQL skills and Unix/Linux shell scripting experience.
• Expertise in backup/recovery, performance tuning, disaster recovery, and troubleshooting.
• Ability to operate effectively under deadlines and production pressures.

Desired Skills

• Experience supporting financial, billing, or collections systems with high data volumes and availability requirements.
• Familiarity with ETL processes, reporting platforms, or data warehousing integrations.
• Exposure to virtualized, cloud, or hybrid database environments.
• IBM Informix certification or equivalent database credentials.

Education

• Bachelor’s degree in computer science, Information Systems, or equivalent experience.

Additional Requirements

• Strong communication skills across technical and business stakeholders.
• High attention to detail when handling fiscal and financial data.
• Proven ability to lead time critical, high risk operational events (e.g., EOFY close).

• Calm, methodical problem solver with a service-oriented mindset.

• Must be able to pass background screening prior to employment.
• US Citizenship, legal permanent residence, or US work authorization with a minimum of 3 years of US presence is required due to federal contract requirement.

Physical Requirements

• Reliable internet (50 Mbps down / 25 Mbps up) and a secure remote work environment.
• Reasonable accommodations will be provided as needed. (We provide reasonable accommodations to individuals with disabilities to enable them to perform the essential functions.)

3.53.5 out of 5 stars United States Remote $90,000 - $120,000 a year

NexGen Technologies, Inc. is a leading IT services firm specializing in delivering innovative, high-quality solutions to our federal government clients. Our core competencies include IT professional support services, software development, cloud services, IT Operations, Agile project management, and GIS services.