Senior Natural/ADABAS Developer – Child Support Systems

Location: Jackson, Mississippi 39211
Work Arrangement: Onsite
Employment Type: Long-Term Contract / Staff Augmentation
Number of Openings: 1
Expected Start Date: September 2, 2026
Expected End Date: September 2, 2029
Contract Duration: Approximately 3 years
Schedule: Monday–Friday, 8:00 a.m.–5:00 p.m.
Hours: 40 hours per week
Overtime: Occasional overtime may be required
On-Call Requirement: Yes, rotating schedule

Position Overview

We are seeking a highly experienced Senior Natural/ADABAS Developer to join an application development and production-support team responsible for a mission-critical statewide child support system.

The selected developer will support, enhance, and maintain complex enterprise applications built with Natural and ADABAS. The role also includes modernizing existing processes, developing integrations with systems on other technology platforms, and automating current business functions.

This position requires extensive Natural/ADABAS development experience, knowledge of automated child support systems, experience working on large-scale Linux applications, and the ability to support the complete application lifecycle.

Key Responsibilities

Natural/ADABAS Development

• Develop, enhance, maintain, and support enterprise applications using Natural and ADABAS.
• Develop and execute Natural processes in batch environments using JCL and/or SCL.
• Develop and support online Natural applications.
• Analyze existing application functionality and recommend technical improvements.
• Design and implement application enhancements.
• Troubleshoot application, database, batch-processing, and production issues.
• Support application automation and modernization initiatives.
• Integrate existing applications with systems operating on other platforms.

Child Support System Support

• Support a statewide automated child support system.
• Apply knowledge of child support policies, procedures, and business processes.
• Interpret state and federal child support mandates.
• Design and implement system changes required by regulatory or policy updates.
• Work with business stakeholders to understand operational needs.
• Ensure system enhancements align with program requirements and applicable mandates.

System Architecture and Technical Leadership

• Provide subject-matter expertise regarding system architecture.
• Evaluate technical options and recommend appropriate system enhancements.
• Identify opportunities to improve existing applications, processes, and integrations.
• Assist teams with resolving complex application and architecture issues.
• Support technical planning for system modernization and technology upgrades.

Analysis and Design

• Analyze business, system, and technical requirements.
• Design solutions for large or complex development initiatives.
• Evaluate existing application architecture and processing workflows.
• Translate business requirements into technical designs.
• Participate in application design, development, testing, implementation, and maintenance activities.

Testing and Quality Assurance

• Develop and execute unit tests for Natural/ADABAS applications.
• Validate application enhancements before deployment.
• Troubleshoot defects and identify root causes.
• Support regression and production-validation testing.
• Document test results and corrective actions.
• Ensure application changes meet technical and business requirements.

Documentation and Training

• Develop, maintain, and update technical and operational documentation.
• Document application procedures, policies, processes, and system changes.
• Create end-user instructions and reference materials.
• Train end users on application functionality and updated processes.
• Communicate technical concepts clearly to business and technical stakeholders.

Production and On-Call Support

• Participate in a rotating on-call schedule.
• Respond to production incidents and application issues.
• Diagnose and resolve batch, online-processing, database, and integration problems.
• Coordinate with technical and business teams during critical incidents.
• Support stable operation of mission-critical applications.

Minimum Mandatory Qualifications

Candidates must clearly demonstrate the following experience on their resumes:

• At least 10 years of Natural programming and ADABAS experience.
• Experience running Natural processes in batch using JCL and/or SCL, as well as supporting online Natural applications.
• At least 2 years of experience analyzing, designing, and programming large or complex applications on large-scale Linux systems.
• At least 4 years of experience supporting automated child support systems.
• At least 3 years of experience providing subject-matter expertise on system architecture.
• At least 3 years of experience recommending enhancements to systems and business processes.
• At least 3 years of experience developing and maintaining procedures, policies, process documentation, and technical materials.
• At least 3 years of experience training end users on software applications.

Additional Mandatory Child Support Experience

• At least 2 years of knowledge and experience with child support policies, procedures, and current state and federal mandates.
• At least 2 years of experience interpreting, designing, and implementing state or federal mandates within Linux-based systems.

Required Technical Skills

Programming and Development

• Natural — Advanced
• ADABAS — Advanced
• Batch Natural processing
• JCL and/or SCL
• Online Natural applications
• Complex enterprise application development
• Application maintenance and enhancement

Operating Systems

• Windows — Advanced
• Linux or Unix
• Large-scale Linux application environments

Testing

• Unit testing — Advanced
• Application validation
• Defect troubleshooting
• Production verification

Architecture and Systems Analysis

• System architecture
• Technical solution design
• Business and technical requirements analysis
• Application modernization
• Process automation
• Systems integration

The official skills matrix identifies Windows, Natural, ADABAS, and advanced unit-testing experience as required.

Preferred Qualifications

• Experience with Linux operating environments.
• Experience with web services or APIs.
• Experience using NaturalONE or SAG Designer.
• Experience with Scrum or iterative development methodologies.
• Experience using Jira Software.
• Experience modernizing outdated applications and technologies.
• Experience integrating Natural/ADABAS applications with newer technology platforms.
• Strong presentation and facilitation skills.
• Ability to manage multiple projects simultaneously.
• Strong written and verbal communication skills.
• Strong time-management and problem-solving skills.

Ideal Candidate Profile

The ideal candidate is a senior Natural/ADABAS developer with extensive experience supporting mission-critical government child support applications.

The strongest candidate will have:

• More than 10 years of recent Natural and ADABAS development experience.
• Strong experience with batch Natural processing using JCL or SCL.
• Experience supporting both online and batch application environments.
• At least four years supporting an automated child support system.
• Knowledge of child support policies and state and federal mandates.
• Experience implementing regulatory changes in Linux-based applications.
• Strong system-architecture and technical-design capabilities.
• Experience modernizing legacy applications and integrating them with newer platforms.
• Advanced unit-testing and production-support experience.
• Experience creating technical documentation and training end users.
• Availability to work onsite in Jackson and participate in a rotating on-call schedule.

Important Resume Requirements

The resume should clearly identify:

• Total years of Natural development experience.
• Total years of ADABAS experience.
• JCL and/or SCL batch-processing experience.
• Online Natural application experience.
• Linux-based development projects.
• Automated child support systems supported.
• Child support policies and mandates implemented.
• System-architecture responsibilities.
• Application modernization and integration experience.
• Unit-testing responsibilities.
• Technical documentation and end-user training experience.
• Production support and on-call responsibilities.

Candidates whose resumes do not clearly demonstrate the mandatory experience may not be considered.