Support business-critical batch and online systems with JCL, TSO/ISPF tools, and REXX scripts. * Maintain and create shell scripts and CGI interfaces in USS. * Participate in backup and disaster ...
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Support business-critical batch and online systems with JCL, TSO/ISPF tools, and REXX scripts. * Maintain and create shell scripts and CGI interfaces in USS. * Participate in backup and disaster ...
Quick apply
Support business-critical batch and online systems with JCL, TSO/ISPF tools, and REXX scripts. * Maintain and create shell scripts and CGI interfaces in USS. * Participate in backup and disaster ...
Princeton, NJ · Remote
NETVIEW , REXX , TCP/IP , CICS , DFSMS , NETWORKING , RMF , AUTOMATION TOOLS , MIDDLEWARE
Princeton, NJ · Remote
NETVIEW , REXX , TCP/IP , CICS , DFSMS , NETWORKING , RMF , AUTOMATION TOOLS , MIDDLEWARE
Washington, DC · On-site
Modify, enhance, and maintain custom data parsers in ION IT2 using Object REXX scripting and related APIs to support onboarding and integration for banks, payments, and statements. * Develop and ...
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Washington, DC · On-site
Modify, enhance, and maintain custom data parsers in ION IT2 using Object REXX scripting and related APIs to support onboarding and integration for banks, payments, and statements. * Develop and ...
Atlanta, GA · On-site +1
Proficiency in REXX, CLIST and Netview PIPE Programming. * Installing and configuration of z/OS systems Roles & Responsibilities * Expertise required in Mainframe System Automation tools i.e., IBM SA ...
Atlanta, GA · On-site +1
Proficiency in REXX, CLIST and Netview PIPE Programming. * Installing and configuration of z/OS systems Roles & Responsibilities * Expertise required in Mainframe System Automation tools i.e., IBM SA ...
Wilmington, DE · On-site
$47.50 - $61.25/hr
REXX, SAS, Cloud Exposure, batch processing
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Wilmington, DE · On-site
$47.50 - $61.25/hr
REXX, SAS, Cloud Exposure, batch processing
Visio, TFS, Visual Studio, REXX, msbatch, ms pxe, xml, SQL Basic Qualifications: 5+ years of App System Engineer or equivalent Minimum Qualifications: Client Client Automation System Engineering ...
Visio, TFS, Visual Studio, REXX, msbatch, ms pxe, xml, SQL Basic Qualifications: 5+ years of App System Engineer or equivalent Minimum Qualifications: Client Client Automation System Engineering ...
Wilmington, DE · On-site
$47.50 - $61.25/hr
REXX, SAS, Cloud Exposure, batch processing
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Wilmington, DE · On-site
$47.50 - $61.25/hr
REXX, SAS, Cloud Exposure, batch processing
Boise, ID · Remote
$99K - $129.90K/yr
The role includes developing, testing, and implementing Automation rules and requires extensive knowledge of z/OS and rexx programming. Candidates should have at least ten years of relevant ...
Boise, ID · Remote
$99K - $129.90K/yr
The role includes developing, testing, and implementing Automation rules and requires extensive knowledge of z/OS and rexx programming. Candidates should have at least ten years of relevant ...
Visio, TFS, Visual Studio, REXX, msbatch, ms pxe, xml, SQL Basic Qualifications: 5+ years of App System Engineer or equivalent Minimum Qualifications: Client Client Automation System Engineering ...
Visio, TFS, Visual Studio, REXX, msbatch, ms pxe, xml, SQL Basic Qualifications: 5+ years of App System Engineer or equivalent Minimum Qualifications: Client Client Automation System Engineering ...
Lake Mary, FL · On-site
Expert-level REXX scripting; deep z/OS operating environment expertise * Designing/supporting automated failover in multi-site environments * RESTful APIs and systems integration for orchestration ...
Lake Mary, FL · On-site
Expert-level REXX scripting; deep z/OS operating environment expertise * Designing/supporting automated failover in multi-site environments * RESTful APIs and systems integration for orchestration ...
RACF, z/OS, zSecure, REXX Job Details: As a Mainframe Security Analyst, you will: * Design document test maintain and provide issue resolution recommendations for moderately complex security ...
RACF, z/OS, zSecure, REXX Job Details: As a Mainframe Security Analyst, you will: * Design document test maintain and provide issue resolution recommendations for moderately complex security ...
Expert-level REXX scripting; deep z/OS operating environment expertise * Designing/supporting automated failover in multi-site environments * RESTful APIs and systems integration for orchestration ...
Expert-level REXX scripting; deep z/OS operating environment expertise * Designing/supporting automated failover in multi-site environments * RESTful APIs and systems integration for orchestration ...
$51.50 - $65.50/hr
Proficiency in Python for modern automation; experience with REXX or CLIST is also beneficial.
$51.50 - $65.50/hr
Proficiency in Python for modern automation; experience with REXX or CLIST is also beneficial.
Expert-level REXX scripting; deep z/OS operating environment expertise * Designing/supporting automated failover in multi-site environments * RESTful APIs and systems integration for orchestration ...
Expert-level REXX scripting; deep z/OS operating environment expertise * Designing/supporting automated failover in multi-site environments * RESTful APIs and systems integration for orchestration ...
Tampa, FL · On-site
$46.25 - $59.50/hr
Experience with File Aid, Stored Procedures, Endevor, CA-7, NDM, MFTS, s-FTP, XML, CLIST, REXX is a plus
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Tampa, FL · On-site
$46.25 - $59.50/hr
Experience with File Aid, Stored Procedures, Endevor, CA-7, NDM, MFTS, s-FTP, XML, CLIST, REXX is a plus
Expert-level REXX scripting; deep z/OS operating environment expertise * Designing/supporting automated failover in multi-site environments * RESTful APIs and systems integration for orchestration ...
Expert-level REXX scripting; deep z/OS operating environment expertise * Designing/supporting automated failover in multi-site environments * RESTful APIs and systems integration for orchestration ...
Buffalo, NY · Remote
Skill Set 1: Installation and maintenance of mainframe software using SMP/e, zOSMF or other standard methods Skill Set 2: z/OS support skills including JCL, REXX, CLIST, DFSMS, DFDSS Skill Set 3: ...
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Buffalo, NY · Remote
Skill Set 1: Installation and maintenance of mainframe software using SMP/e, zOSMF or other standard methods Skill Set 2: z/OS support skills including JCL, REXX, CLIST, DFSMS, DFDSS Skill Set 3: ...
Lead migration of CA OPS/MVS rules and REXX automation scripts to IBM Tivoli Systems Automation for z/OS * Convert and validate existing automation logic into IBM System Automation Policy Database ...
Lead migration of CA OPS/MVS rules and REXX automation scripts to IBM Tivoli Systems Automation for z/OS * Convert and validate existing automation logic into IBM System Automation Policy Database ...
Expert-level REXX scripting; deep z/OS operating environment expertise * Designing/supporting automated failover in multi-site environments * RESTful APIs and systems integration for orchestration ...
Quick apply
Expert-level REXX scripting; deep z/OS operating environment expertise * Designing/supporting automated failover in multi-site environments * RESTful APIs and systems integration for orchestration ...
Experienced in Rexx coding for use in Automation scripts * Experienced with Control M and administrator functions within the tool * Experience with JCL for use in Endevor, Automation, and running ...
Experienced in Rexx coding for use in Automation scripts * Experienced with Control M and administrator functions within the tool * Experience with JCL for use in Endevor, Automation, and running ...
$71K - $77.2K
6% of jobs
$83.4K is the 25th percentile. Wages below this are outliers.
$77.2K - $83.5K
19% of jobs
$83.5K - $89.7K
11% of jobs
$89.7K - $95.9K
11% of jobs
The median wage is $98.1K / yr.
$95.9K - $102.1K
11% of jobs
$102.1K - $108.4K
9% of jobs
$108.4K - $114.6K
6% of jobs
$116K is the 75th percentile. Wages above this are outliers.
$114.6K - $120.8K
11% of jobs
$120.8K - $127K
8% of jobs
$127K - $133.3K
5% of jobs
$133.3K - $139.5K
3% of jobs
$71K
$103.1K
$139.5K
| Aspect | Rexx | Python Developer |
|---|---|---|
| Required Credentials | Typically requires scripting experience, sometimes certifications in mainframe or scripting languages | Bachelor's degree in Computer Science or related field; certifications like PCEP or PCAP are common |
| Work Environment | Mainframe environments, legacy systems, scripting tasks | Web development, data analysis, automation, diverse industries |
| Employer & Industry Usage | Financial institutions, mainframe operations, legacy system maintenance | Tech companies, startups, enterprise software, data science |
| Common Search & Comparison Intent | Rexx vs Python Developer |
Rexx is primarily used for scripting in mainframe and legacy systems, requiring specific scripting skills and experience with older environments. Python Developers work across a broader range of industries, focusing on web, data, and automation tasks, often requiring a degree and certifications. While Rexx is niche and legacy-focused, Python offers versatility and modern application development opportunities.

Lanham, MD • On-site
Full-time
Posted 18 days ago
Senior System Programmer / Computer System Specialist Staff Augmentation. -
USC is Must for this Job role.
On-site: Landover MD -
Start Date : to begin work on or before Monday, October 27, 2025
Technology Infrastructure who possess IT expertise, knowledge, skills, abilities, certifications, and vetted professional resources to provide an IBM z/OS Systems Programmer to support, maintain, and enhance our enterprise mainframe environment. The ideal candidate will have a strong background in z/OS system administration, software maintenance using SMP/E, and programming experience in IBM mainframe languages. This role requires a flexible, hands-on capable professional.
SENIOR SYSTEM PROGRAMMER / COMPUTER SYSTEM SPECIALIST KEY SAMPLE OF RESPONSIBILITIES:
REQUIRED QUALIFICATIONS: Minimum Qualifications:
Preferred Qualifications: (Information Technology Professional Consulting Technology Services) :