Senior Mainframe Developer
Req number:
R7667
Employment type:
Full time
Worksite flexibility:
Onsite
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.
Job Summary
We are looking for a motivated Mainframe Developer ready to take us to the next level! If you have strong Cobol Development, good understanding of ADABAS and Natural, and are looking for your next career move, apply now.
Job Description
We are looking for a Senior Mainframe Developer / COBOL Senior Consultant to evaluate existing systems and user needs in order to analyze, design, recommend, and implement information system changes. This position will be a full-time contract role and is onsite in Trenton, NJ.
What You’ll Do
Participate in development efforts supporting the project involving multiple legacy mainframe applications
Analyze existing legacy systems and provide code walkthroughs, logic analysis, and technical documentation to ITS development teams
Design, develop, modify, test, and maintain COBOL and NATURAL programs, along with associated JCL jobs, based on functional specifications and enhancement requests
Perform ongoing maintenance and enhancements to batch and online mainframe applications
Troubleshoot and resolve production issues, job failures, and system abends, including root cause analysis and corrective actions
Analyze ADABAS database structures, files, and access methods to support application development and system integration
Develop and maintain data feeds, file layouts, and interface processes between legacy systems and modernized ITS components
Participate in system design reviews, technical planning sessions, and code reviews
Produce and maintain technical documentation, including program specifications, data definitions, job flows, and system architecture documentation
Support system testing, integration testing, and user acceptance testing UAT
Implement best practices for mainframe development, including coding standards, version control, and change management
Assist with performance tuning and optimization of batch jobs, database access, and program execution
Provide production support for mission‑critical applications and collaborate closely with analysts, architects, and development teams
What You’ll Need
Required:
Advanced experience with COBOL programming in enterprise mainframe environments
Strong expertise in JCL development and job scheduling
Extensive experience with NATURAL programming
Working knowledge of ADABAS database architecture and file structures
Experience analyzing and maintaining large legacy mainframe codebases
Strong troubleshooting and debugging skills for batch and online applications
Experience with system integration, data interfaces, and file transfer processes
Proficiency with mainframe utilities, debugging tools, and job monitoring tools
Strong documentation and communication skills
Ability to work independently while coordinating with multiple technical teams
Preferred:
Experience supporting taxation or government revenue systems
Familiarity with CICS and online transaction processing environments
Experience with data migration or modernization projects involving legacy mainframe applications
Knowledge of mainframe security, scheduling systems, and source code management tools
Experience working within large‑scale enterprise or government IT environments
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
Ability to conduct repetitive tasks on a computer, utilizing a mouse, keyboard, and monitor
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Reasonable accommodation statement
If you require a reasonable accommodation in completing this application, interviewing, completing any pre-employment testing, or otherwise participating in the employment selection process, please direct your inquiries to application.accommodations@cai.io or (888) 824 – 8111.
$80 - $90 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.