Mainframe Developer

CAI; Boston (MA); Remote; USD 77,000 - 84,000; Full time

Benefits offered by this job

Remote work

Job summary

CAI is seeking an experienced Mainframe Developer to join our IT team. The role is full-time, remote, and contract-based, focusing on COBOL, NATURAL, JCL, and ADABAS expertise across multiple client projects.

Responsibilities include development, modernization support, and system integration efforts, with strong emphasis on troubleshooting, documentation, and collaboration in design reviews and testing phases.

Qualifications

• Five+ years building enterprise mainframe applications in COBOL.
• Five+ years with JCL development and job scheduling.
• Three+ years with NATURAL/ADABAS.
• Five+ years using TSO/ISPF or similar tools.
• Three+ years with AFP, PAGEDEF, FORMDEF, OVERLAY.
• Advanced COBOL, JCL, NATURAL programming expertise.
• Knowledge of ADABAS database architecture and files.
• Experience maintaining large legacy mainframe systems.
• Strong troubleshooting and debugging for batch/online apps.
• Experience with mainframe integrations and data feeds.

Responsibilities

• Develop, enhance, and maintain COBOL, NATURAL, and JCL programs.
• Work on legacy mainframe apps and tax/client system integrations.
• Analyze applications and provide technical walkthroughs and docs.
• Design, code, test, implement, and maintain batch and online apps.
• Troubleshoot production issues, failures, and abends with root-cause analysis.
• Analyze ADABAS databases, files, and data access methods.
• Develop data feeds and interfaces between legacy and modern platforms.
• Participate in design reviews, planning sessions, and code reviews.
• Create and maintain program specs, job flows, architecture diagrams, data definitions.
• Support testing, UAT, and production deployments.

Skills

COBOL

JCL

NATURAL

ADABAS

TSO/ISPF

AFP

PAGEDEF

FORMDEF

OVERLAY

CICS

Tools

ADABAS

Job description

Mainframe Developer

Req number:

R8568

Employment type:

Full time

Worksite flexibility:

Remote

Who we are

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 seeking an experienced Mainframe Developer with advanced expertise in COBOL, JCL, and NATURAL, and working knowledge of ADABAS.

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.

What You'll Do

• 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

What You'll Need

Required:

• 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

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 [e-mail] or (888) 824 – 8111.

EEO Statement

It is the policy of Computer Aid, Inc.(CAI) not to discriminate against any employee or applicant for employment because of race, color, religion, sex, sexual orientation, gender identity, national origin, age, marital status, genetic information, disability or because he or she is a protected veteran. It is also the policy of CAI to take affirmative action to employ and to advance in employment, all persons regardless of race, color, religion, sex, sexual orientation, gender identity, national origin, age, marital status, genetic information, disability or protected veteran status, and to base all employment decisions only on valid job requirements. This policy shall apply to all employment actions, including but not limited to recruitment, hiring, upgrading, promotion, transfer, demotion, layoff, recall, termination, rates of pay or other forms of compensation and selection for training, including apprenticeship, at all levels of employment.

Employees and applicants of CAI will not be subject to harassment on the basis of race, color, religion, sex, sexual orientation, gender identity, national origin, age, marital status, genetic information, disability or because he or she is a protected veteran. Additionally, retaliation, including intimidation, threats, or coercion, because an employee or applicant has objected to discrimination, engaged or may engage in filing a complaint, assisted in a review, investigation, or hearing or have otherwise sought to obtain their legal rights under any Federal, State, or local EEO law is prohibited.

$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.