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# Mainframe Assembler Developer

- **Company:** Innova Solutions
- **Location:** Addison, TX, United States
- **Salary:** $124,800.0 - $135,200.0
- **Contract:** Permanent contract
- **Skills:** Artificial Intelligence, Batch Processing, Continuous Availability, Payment Systems, IBM Parallel Sysplex, Job Control Language (JCL), IBM Mainframe, Mainframes, Virtual Storage Access Methods, Z/OS, Tools for Reporting, Servicenow
- **Published:** August 1, 2026
- **Apply:** https://www.dice.com/job-detail/8541b802-d35d-4fa4-a099-9672fe2845d2

## About the Role

We are seeking a highly experienced Mainframe Assembler Developer to support and enhance a mission-critical legacy application written in IBM z/OS assembler language. This role requires a self-sufficient engineer capable of independently analyzing, maintaining, and improving high-volume, high-availability batch processing systems in a regulated financial services environment.

The ideal candidate brings deep expertise across core mainframe technologies, experience supporting check/image item processing or payment platforms, and strong familiarity with parallel SysPlex environments (LPAR-based architectures)., Experience in IBM Mainframe Assembler development and production support.

Strong hands-on expertise in:

 * Assembler (HLASM) programming
 * JCL development and troubleshooting
 * GDGs and batch processing

Demonstrated experience supporting:

 * High-volume financial transaction systems
 * Production batch environments with strict SLAs and recovery requirements
 * Experience working in high-availability environments, including:
 * SysPlex architectures
 * Multiple LPARs and workload distribution

Solid understanding of:

 * Mainframe datasets, VSAM, and utilities
 * Production support processes and incident management
 * Experience using ServiceNow and/or Remedy

Proven ability to:

 * Work independently in loosely documented legacy environments
 * Analyze complex assembler codebases
 * Diagnose and resolve critical production issues quickly
 * Check processing, image item processing, or payment processing platforms
 * Demonstrated experience supporting: High-volume, high-throughput transaction systems & Mission-critical applications requiring near-continuous availability

Familiarity with:

 * Experience in financial services or banking environments
 * SMP/E for system maintenance and upgrades
 * SAR (System Activity Reporter / reporting tools)
 * Experience supporting assembler applications during: Platform upgrades, Macro or compatibility changes

## Description

Innova Solutions offers a referral bonus for qualified Ambassadors who refer eligible referrals. Submit referrals at and earn $250-$1,000 per referral.
Innova Solutions is an Equal Opportunity Employer and prohibits any kind of unlawful discrimination and harassment. Innova Solutions is committed to the principle of equal employment opportunity for all employees and to providing employees with a work environment free of discrimination and harassment on the basis of race, color, religion or belief, national origin, citizenship, social or ethnic origin, sex, age, physical or mental disability, veteran status, marital status, domestic partner status, sexual orientation, or any other status protected by the statutes, rules, and regulations in the locations where it operates. If you are an individual with a disability and need a reasonable accommodation to assist with your job search or application for employment, please contact us at or . Please indicate the specifics of the assistance needed. Innova Solutions encourages all interested and qualified candidates to apply for employment opportunities. Innova
Solutions (HireGenics/Volt) does not discriminate against applicants based on citizenship status, immigration status, or national origin, in accordance with 8 U.S.C. § 1324b.
The company will consider for employment qualified applicants with arrest and conviction records in a manner that complies with the San Francisco Fair Chance Ordinance, the Los Angeles Fair Chance Initiative for Hiring Ordinance, and other applicable laws.
By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Innova Solutions and its affiliates, and contracted partners. Frequency varies for text messages. Message and data rates may apply. Carriers are not liable for delayed or undelivered messages. You can reply STOP to cancel and HELP for help. You can access our privacy policy at .


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