Mainframe Developer

CAI, Inc.
Phoenix, AZ, United States
1 day ago
Apply on dejobs.org
Prepare application

Role details

Contract type
Contract
Employment type
Full-time (> 32 hours)
Experience level
Experienced
Experience required
3 years minimum
Compensation
$116,480.0 - $126,880.0
Working hours
Regular working hours
Job source

Tech stack

Adaptable Database Systems Customer Information Control System (CICS) COBOL (Programming Language) Code Review Databases Data Migration Data Security Software Debugging File Transfer Monitoring of Systems Job Control Language (JCL) Job Scheduling
+14 more
Mainframes Online Transaction Processing IBM Resource Access Control Facility Software Deployment Software Engineering Systems Architecture System Testing Systems Integration Tso/ispf Data Server Interface Software Troubleshooting Integration Tests Software Version Control Legacy Systems

Job description

We are seeking a highly skilled and experienced Mainframe Developer to join our IT team. This position will be full-time, remote, and is a contract position., * Develop, enhance, and maintain COBOL , NATURAL , and JCL programs supporting multiple client projects

  • Work on multiple legacy mainframe applications and integration efforts involving taxation and client systems
  • Analyze existing mainframe applications and provide code walkthroughs, technical analysis, and documentation to support modernization teams.
  • Design, code, test, implement, and maintain new and existing batch and online mainframe applications
  • Troubleshoot production issues, job failures, and system abends; perform root cause analysis and implement corrective actions
  • Analyze and support ADABAS databases, file structures, and data access methods
  • Develop and maintain data feeds, interfaces, file layouts, and integration processes between legacy systems and modernized platforms
  • Participate in system design reviews, technical planning sessions, and code reviews
  • Create and maintain technical documentation including program specifications, job flows, system architecture diagrams, and data definitions
  • Support system testing, integration testing, user acceptance testing (UAT), and production deployments

Requirements

We are seeking an experienced Mainframe Developer with advanced expertise in COBOL, JCL, and NATURAL, and working knowledge of ADABAS, * 5+ years of experience developing enterprise mainframe applications using COBOL.

  • 5+ years of experience with JCL development and job scheduling.
  • 3+ years of experience with NATURAL/ADABAS.
  • 5+ years of experience using TSO/ISPF or similar mainframe editing tools.
  • 3+ years of experience with AFP, PAGEDEF, FORMDEF, and OVERLAY technologies
  • Advanced expertise in COBOL, JCL, and NATURAL programming.
  • Working knowledge of ADABAS database architecture and file structures.
  • Experience maintaining and enhancing large legacy mainframe systems.
  • Strong troubleshooting, debugging, and problem-solving skills for batch and online applications.
  • Experience developing system integrations, data interfaces, file transfers, and data feeds.
  • Ability to analyze technical specifications, system workflows, and data models.
  • Experience with mainframe utilities, job monitoring tools, and debugging tools.

Preferred:

  • Experience supporting taxation, revenue, or government systems
  • Familiarity with CICS and online transaction processing environments
  • Experience with legacy modernization or data migration initiatives
  • Knowledge of mainframe security, scheduling tools, and source code management practices

Physical Demands

  • Ability to safely and successfully perform the essential job functions consistent with the ADA and other federal, state, and local standards
  • Sedentary work that involves sitting or remaining stationary most of the time with occasional need to move around the office to attend meetings, etc.
  • Ability to conduct repetitive tasks on a computer, utilizing a mouse, keyboard, and monitor

Benefits & conditions

$56 - $61 per hour

The pay range for this position is listed above. Exact compensation may vary based on several factors, including location, experience, and education. Benefit packages include medical, dental, and vision insurance, as well as 401k retirement account access. Employees in this role may also be entitled to paid sick leave and/or other paid time off as provided by applicable law.

About the company

CAI is a global services firm with over 9,000 associates worldwide and a yearly revenue of $1.3 billion+. We have over 40 years of excellence in uniting talent and technology to power the possible for our clients, colleagues, and communities. As a privately held company, we have the freedom and focus to do what is right-whatever it takes. Our tailor-made solutions create lasting results across the public and commercial sectors, and we are trailblazers in bringing neurodiversity to the enterprise.

Apply for this position

This job is hosted externally. Click below to view the full posting and apply.

Apply on dejobs.org
Prepare application

Good distractions

Talks and stories from around this role — technically off-topic, practically not.

4:40 min

Analyzing COBOL mainframe migration challenges with AI

Michael Friedrich Michael Friedrich · World Congress 2026 Europe

3:04 min

Database evolution and the funding behind vector databases

Erik Bamberg · LIVE

6:35 min

Modernizing legacy COBOL mainframe systems using AI agents

Chris Heilmann +2 · LIVE

3:48 min

Modernizing massive legacy mainframe and IBM i codebases

Maximilian Jesch Maximilian Jesch · World Congress 2026 Europe

4:01 min

Managing application isolation via pluggable database models

Wei Hu Wei Hu · World Congress 2022

7:12 min

How infrastructure evolved from single mainframes to hybrid clouds

Jose Javier Alonso Moya Jose Javier Alonso Moya · World Congress 2024

Videos

See all

Related articles

See all